You are viewing a plain text version of this content. The canonical link for it is here.
Posted to commits@hbase.apache.org by mi...@apache.org on 2016/03/04 18:50:45 UTC
[01/51] [partial] hbase-site git commit: Published site at
7dabcf23e8dd53f563981e1e03f82336fc0a44da.
Repository: hbase-site
Updated Branches:
refs/heads/asf-site 4ce8323fc -> 3e48e84d3
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/3e48e84d/devapidocs/src-html/org/apache/hadoop/hbase/io/hfile/HFileBlock.FSReaderImpl.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/io/hfile/HFileBlock.FSReaderImpl.html b/devapidocs/src-html/org/apache/hadoop/hbase/io/hfile/HFileBlock.FSReaderImpl.html
index 9a60dce..fcaf416 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/io/hfile/HFileBlock.FSReaderImpl.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/io/hfile/HFileBlock.FSReaderImpl.html
@@ -34,1938 +34,1994 @@
<span class="sourceLineNo">026</span>import java.util.concurrent.locks.Lock;<a name="line.26"></a>
<span class="sourceLineNo">027</span>import java.util.concurrent.locks.ReentrantLock;<a name="line.27"></a>
<span class="sourceLineNo">028</span><a name="line.28"></a>
-<span class="sourceLineNo">029</span>import org.apache.hadoop.fs.FSDataInputStream;<a name="line.29"></a>
-<span class="sourceLineNo">030</span>import org.apache.hadoop.fs.FSDataOutputStream;<a name="line.30"></a>
-<span class="sourceLineNo">031</span>import org.apache.hadoop.fs.Path;<a name="line.31"></a>
-<span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.Cell;<a name="line.32"></a>
-<span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.HConstants;<a name="line.33"></a>
-<span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.classification.InterfaceAudience;<a name="line.34"></a>
-<span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.fs.HFileSystem;<a name="line.35"></a>
-<span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.io.FSDataInputStreamWrapper;<a name="line.36"></a>
-<span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.io.ByteArrayOutputStream;<a name="line.37"></a>
-<span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.io.ByteBuffInputStream;<a name="line.38"></a>
-<span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.io.ByteBufferSupportDataOutputStream;<a name="line.39"></a>
-<span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.io.encoding.DataBlockEncoding;<a name="line.40"></a>
-<span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.io.encoding.HFileBlockDecodingContext;<a name="line.41"></a>
-<span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.io.encoding.HFileBlockDefaultDecodingContext;<a name="line.42"></a>
-<span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.io.encoding.HFileBlockDefaultEncodingContext;<a name="line.43"></a>
-<span class="sourceLineNo">044</span>import org.apache.hadoop.hbase.io.encoding.HFileBlockEncodingContext;<a name="line.44"></a>
-<span class="sourceLineNo">045</span>import org.apache.hadoop.hbase.nio.ByteBuff;<a name="line.45"></a>
-<span class="sourceLineNo">046</span>import org.apache.hadoop.hbase.nio.MultiByteBuff;<a name="line.46"></a>
-<span class="sourceLineNo">047</span>import org.apache.hadoop.hbase.nio.SingleByteBuff;<a name="line.47"></a>
-<span class="sourceLineNo">048</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.48"></a>
-<span class="sourceLineNo">049</span>import org.apache.hadoop.hbase.util.ChecksumType;<a name="line.49"></a>
-<span class="sourceLineNo">050</span>import org.apache.hadoop.hbase.util.ClassSize;<a name="line.50"></a>
-<span class="sourceLineNo">051</span>import org.apache.hadoop.io.IOUtils;<a name="line.51"></a>
-<span class="sourceLineNo">052</span><a name="line.52"></a>
-<span class="sourceLineNo">053</span>import com.google.common.annotations.VisibleForTesting;<a name="line.53"></a>
-<span class="sourceLineNo">054</span>import com.google.common.base.Preconditions;<a name="line.54"></a>
-<span class="sourceLineNo">055</span><a name="line.55"></a>
-<span class="sourceLineNo">056</span>/**<a name="line.56"></a>
-<span class="sourceLineNo">057</span> * Reading {@link HFile} version 1 and 2 blocks, and writing version 2 blocks.<a name="line.57"></a>
-<span class="sourceLineNo">058</span> * <ul><a name="line.58"></a>
-<span class="sourceLineNo">059</span> * <li>In version 1 all blocks are always compressed or uncompressed, as<a name="line.59"></a>
-<span class="sourceLineNo">060</span> * specified by the {@link HFile}'s compression algorithm, with a type-specific<a name="line.60"></a>
-<span class="sourceLineNo">061</span> * magic record stored in the beginning of the compressed data (i.e. one needs<a name="line.61"></a>
-<span class="sourceLineNo">062</span> * to uncompress the compressed block to determine the block type). There is<a name="line.62"></a>
-<span class="sourceLineNo">063</span> * only a single compression algorithm setting for all blocks. Offset and size<a name="line.63"></a>
-<span class="sourceLineNo">064</span> * information from the block index are required to read a block.<a name="line.64"></a>
-<span class="sourceLineNo">065</span> * <li>In version 2 a block is structured as follows:<a name="line.65"></a>
-<span class="sourceLineNo">066</span> * <ul><a name="line.66"></a>
-<span class="sourceLineNo">067</span> * <li>header (see Writer#finishBlock())<a name="line.67"></a>
-<span class="sourceLineNo">068</span> * <ul><a name="line.68"></a>
-<span class="sourceLineNo">069</span> * <li>Magic record identifying the block type (8 bytes)<a name="line.69"></a>
-<span class="sourceLineNo">070</span> * <li>Compressed block size, excluding header, including checksum (4 bytes)<a name="line.70"></a>
-<span class="sourceLineNo">071</span> * <li>Uncompressed block size, excluding header, excluding checksum (4 bytes)<a name="line.71"></a>
-<span class="sourceLineNo">072</span> * <li>The offset of the previous block of the same type (8 bytes). This is<a name="line.72"></a>
-<span class="sourceLineNo">073</span> * used to be able to navigate to the previous block without going to the block<a name="line.73"></a>
-<span class="sourceLineNo">074</span> * <li>For minorVersions &gt;=1, the ordinal describing checksum type (1 byte)<a name="line.74"></a>
-<span class="sourceLineNo">075</span> * <li>For minorVersions &gt;=1, the number of data bytes/checksum chunk (4 bytes)<a name="line.75"></a>
-<span class="sourceLineNo">076</span> * <li>For minorVersions &gt;=1, the size of data on disk, including header,<a name="line.76"></a>
-<span class="sourceLineNo">077</span> * excluding checksums (4 bytes)<a name="line.77"></a>
-<span class="sourceLineNo">078</span> * </ul><a name="line.78"></a>
-<span class="sourceLineNo">079</span> * </li><a name="line.79"></a>
-<span class="sourceLineNo">080</span> * <li>Raw/Compressed/Encrypted/Encoded data. The compression algorithm is the<a name="line.80"></a>
-<span class="sourceLineNo">081</span> * same for all the blocks in the {@link HFile}, similarly to what was done in<a name="line.81"></a>
-<span class="sourceLineNo">082</span> * version 1.<a name="line.82"></a>
-<span class="sourceLineNo">083</span> * <li>For minorVersions &gt;=1, a series of 4 byte checksums, one each for<a name="line.83"></a>
-<span class="sourceLineNo">084</span> * the number of bytes specified by bytesPerChecksum.<a name="line.84"></a>
-<span class="sourceLineNo">085</span> * </ul><a name="line.85"></a>
-<span class="sourceLineNo">086</span> * </ul><a name="line.86"></a>
-<span class="sourceLineNo">087</span> */<a name="line.87"></a>
-<span class="sourceLineNo">088</span>@InterfaceAudience.Private<a name="line.88"></a>
-<span class="sourceLineNo">089</span>public class HFileBlock implements Cacheable {<a name="line.89"></a>
-<span class="sourceLineNo">090</span><a name="line.90"></a>
-<span class="sourceLineNo">091</span> /**<a name="line.91"></a>
-<span class="sourceLineNo">092</span> * On a checksum failure on a Reader, these many suceeding read<a name="line.92"></a>
-<span class="sourceLineNo">093</span> * requests switch back to using hdfs checksums before auto-reenabling<a name="line.93"></a>
-<span class="sourceLineNo">094</span> * hbase checksum verification.<a name="line.94"></a>
-<span class="sourceLineNo">095</span> */<a name="line.95"></a>
-<span class="sourceLineNo">096</span> static final int CHECKSUM_VERIFICATION_NUM_IO_THRESHOLD = 3;<a name="line.96"></a>
-<span class="sourceLineNo">097</span><a name="line.97"></a>
-<span class="sourceLineNo">098</span> public static final boolean FILL_HEADER = true;<a name="line.98"></a>
-<span class="sourceLineNo">099</span> public static final boolean DONT_FILL_HEADER = false;<a name="line.99"></a>
-<span class="sourceLineNo">100</span><a name="line.100"></a>
-<span class="sourceLineNo">101</span> /**<a name="line.101"></a>
-<span class="sourceLineNo">102</span> * The size of block header when blockType is {@link BlockType#ENCODED_DATA}.<a name="line.102"></a>
-<span class="sourceLineNo">103</span> * This extends normal header by adding the id of encoder.<a name="line.103"></a>
-<span class="sourceLineNo">104</span> */<a name="line.104"></a>
-<span class="sourceLineNo">105</span> public static final int ENCODED_HEADER_SIZE = HConstants.HFILEBLOCK_HEADER_SIZE<a name="line.105"></a>
-<span class="sourceLineNo">106</span> + DataBlockEncoding.ID_SIZE;<a name="line.106"></a>
-<span class="sourceLineNo">107</span><a name="line.107"></a>
-<span class="sourceLineNo">108</span> static final byte[] DUMMY_HEADER_NO_CHECKSUM =<a name="line.108"></a>
-<span class="sourceLineNo">109</span> new byte[HConstants.HFILEBLOCK_HEADER_SIZE_NO_CHECKSUM];<a name="line.109"></a>
-<span class="sourceLineNo">110</span><a name="line.110"></a>
-<span class="sourceLineNo">111</span> // How to get the estimate correctly? if it is a singleBB?<a name="line.111"></a>
-<span class="sourceLineNo">112</span> public static final int MULTI_BYTE_BUFFER_HEAP_SIZE =<a name="line.112"></a>
-<span class="sourceLineNo">113</span> (int)ClassSize.estimateBase(MultiByteBuff.class, false);<a name="line.113"></a>
-<span class="sourceLineNo">114</span><a name="line.114"></a>
-<span class="sourceLineNo">115</span> // meta.usesHBaseChecksum+offset+nextBlockOnDiskSizeWithHeader<a name="line.115"></a>
-<span class="sourceLineNo">116</span> public static final int EXTRA_SERIALIZATION_SPACE = Bytes.SIZEOF_BYTE + Bytes.SIZEOF_INT<a name="line.116"></a>
-<span class="sourceLineNo">117</span> + Bytes.SIZEOF_LONG;<a name="line.117"></a>
-<span class="sourceLineNo">118</span><a name="line.118"></a>
-<span class="sourceLineNo">119</span> /**<a name="line.119"></a>
-<span class="sourceLineNo">120</span> * Each checksum value is an integer that can be stored in 4 bytes.<a name="line.120"></a>
-<span class="sourceLineNo">121</span> */<a name="line.121"></a>
-<span class="sourceLineNo">122</span> static final int CHECKSUM_SIZE = Bytes.SIZEOF_INT;<a name="line.122"></a>
-<span class="sourceLineNo">123</span><a name="line.123"></a>
-<span class="sourceLineNo">124</span> static final CacheableDeserializer<Cacheable> blockDeserializer =<a name="line.124"></a>
-<span class="sourceLineNo">125</span> new CacheableDeserializer<Cacheable>() {<a name="line.125"></a>
-<span class="sourceLineNo">126</span> public HFileBlock deserialize(ByteBuff buf, boolean reuse, MemoryType memType)<a name="line.126"></a>
-<span class="sourceLineNo">127</span> throws IOException {<a name="line.127"></a>
-<span class="sourceLineNo">128</span> buf.limit(buf.limit() - HFileBlock.EXTRA_SERIALIZATION_SPACE).rewind();<a name="line.128"></a>
-<span class="sourceLineNo">129</span> ByteBuff newByteBuffer;<a name="line.129"></a>
-<span class="sourceLineNo">130</span> if (reuse) {<a name="line.130"></a>
-<span class="sourceLineNo">131</span> newByteBuffer = buf.slice();<a name="line.131"></a>
-<span class="sourceLineNo">132</span> } else {<a name="line.132"></a>
-<span class="sourceLineNo">133</span> // Used only in tests<a name="line.133"></a>
-<span class="sourceLineNo">134</span> int len = buf.limit();<a name="line.134"></a>
-<span class="sourceLineNo">135</span> newByteBuffer = new SingleByteBuff(ByteBuffer.allocate(len));<a name="line.135"></a>
-<span class="sourceLineNo">136</span> newByteBuffer.put(0, buf, buf.position(), len);<a name="line.136"></a>
-<span class="sourceLineNo">137</span> }<a name="line.137"></a>
-<span class="sourceLineNo">138</span> buf.position(buf.limit());<a name="line.138"></a>
-<span class="sourceLineNo">139</span> buf.limit(buf.limit() + HFileBlock.EXTRA_SERIALIZATION_SPACE);<a name="line.139"></a>
-<span class="sourceLineNo">140</span> boolean usesChecksum = buf.get() == (byte)1;<a name="line.140"></a>
-<span class="sourceLineNo">141</span> HFileBlock hFileBlock = new HFileBlock(newByteBuffer, usesChecksum, memType);<a name="line.141"></a>
-<span class="sourceLineNo">142</span> hFileBlock.offset = buf.getLong();<a name="line.142"></a>
-<span class="sourceLineNo">143</span> hFileBlock.nextBlockOnDiskSizeWithHeader = buf.getInt();<a name="line.143"></a>
-<span class="sourceLineNo">144</span> if (hFileBlock.hasNextBlockHeader()) {<a name="line.144"></a>
-<span class="sourceLineNo">145</span> hFileBlock.buf.limit(hFileBlock.buf.limit() - hFileBlock.headerSize());<a name="line.145"></a>
-<span class="sourceLineNo">146</span> }<a name="line.146"></a>
-<span class="sourceLineNo">147</span> return hFileBlock;<a name="line.147"></a>
-<span class="sourceLineNo">148</span> }<a name="line.148"></a>
-<span class="sourceLineNo">149</span><a name="line.149"></a>
-<span class="sourceLineNo">150</span> @Override<a name="line.150"></a>
-<span class="sourceLineNo">151</span> public int getDeserialiserIdentifier() {<a name="line.151"></a>
-<span class="sourceLineNo">152</span> return deserializerIdentifier;<a name="line.152"></a>
-<span class="sourceLineNo">153</span> }<a name="line.153"></a>
-<span class="sourceLineNo">154</span><a name="line.154"></a>
-<span class="sourceLineNo">155</span> @Override<a name="line.155"></a>
-<span class="sourceLineNo">156</span> public HFileBlock deserialize(ByteBuff b) throws IOException {<a name="line.156"></a>
-<span class="sourceLineNo">157</span> // Used only in tests<a name="line.157"></a>
-<span class="sourceLineNo">158</span> return deserialize(b, false, MemoryType.EXCLUSIVE);<a name="line.158"></a>
-<span class="sourceLineNo">159</span> }<a name="line.159"></a>
-<span class="sourceLineNo">160</span> };<a name="line.160"></a>
-<span class="sourceLineNo">161</span> private static final int deserializerIdentifier;<a name="line.161"></a>
-<span class="sourceLineNo">162</span> static {<a name="line.162"></a>
-<span class="sourceLineNo">163</span> deserializerIdentifier = CacheableDeserializerIdManager<a name="line.163"></a>
-<span class="sourceLineNo">164</span> .registerDeserializer(blockDeserializer);<a name="line.164"></a>
-<span class="sourceLineNo">165</span> }<a name="line.165"></a>
-<span class="sourceLineNo">166</span><a name="line.166"></a>
-<span class="sourceLineNo">167</span> /** Type of block. Header field 0. */<a name="line.167"></a>
-<span class="sourceLineNo">168</span> private BlockType blockType;<a name="line.168"></a>
-<span class="sourceLineNo">169</span><a name="line.169"></a>
-<span class="sourceLineNo">170</span> /** Size on disk excluding header, including checksum. Header field 1. */<a name="line.170"></a>
-<span class="sourceLineNo">171</span> private int onDiskSizeWithoutHeader;<a name="line.171"></a>
-<span class="sourceLineNo">172</span><a name="line.172"></a>
-<span class="sourceLineNo">173</span> /** Size of pure data. Does not include header or checksums. Header field 2. */<a name="line.173"></a>
-<span class="sourceLineNo">174</span> private final int uncompressedSizeWithoutHeader;<a name="line.174"></a>
-<span class="sourceLineNo">175</span><a name="line.175"></a>
-<span class="sourceLineNo">176</span> /** The offset of the previous block on disk. Header field 3. */<a name="line.176"></a>
-<span class="sourceLineNo">177</span> private final long prevBlockOffset;<a name="line.177"></a>
-<span class="sourceLineNo">178</span><a name="line.178"></a>
-<span class="sourceLineNo">179</span> /**<a name="line.179"></a>
-<span class="sourceLineNo">180</span> * Size on disk of header + data. Excludes checksum. Header field 6,<a name="line.180"></a>
-<span class="sourceLineNo">181</span> * OR calculated from {@link #onDiskSizeWithoutHeader} when using HDFS checksum.<a name="line.181"></a>
-<span class="sourceLineNo">182</span> */<a name="line.182"></a>
-<span class="sourceLineNo">183</span> private final int onDiskDataSizeWithHeader;<a name="line.183"></a>
-<span class="sourceLineNo">184</span><a name="line.184"></a>
-<span class="sourceLineNo">185</span> /** The in-memory representation of the hfile block */<a name="line.185"></a>
-<span class="sourceLineNo">186</span> private ByteBuff buf;<a name="line.186"></a>
-<span class="sourceLineNo">187</span><a name="line.187"></a>
-<span class="sourceLineNo">188</span> /** Meta data that holds meta information on the hfileblock */<a name="line.188"></a>
-<span class="sourceLineNo">189</span> private HFileContext fileContext;<a name="line.189"></a>
+<span class="sourceLineNo">029</span>import org.apache.commons.logging.Log;<a name="line.29"></a>
+<span class="sourceLineNo">030</span>import org.apache.commons.logging.LogFactory;<a name="line.30"></a>
+<span class="sourceLineNo">031</span>import org.apache.hadoop.fs.FSDataInputStream;<a name="line.31"></a>
+<span class="sourceLineNo">032</span>import org.apache.hadoop.fs.FSDataOutputStream;<a name="line.32"></a>
+<span class="sourceLineNo">033</span>import org.apache.hadoop.fs.Path;<a name="line.33"></a>
+<span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.Cell;<a name="line.34"></a>
+<span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.HConstants;<a name="line.35"></a>
+<span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.classification.InterfaceAudience;<a name="line.36"></a>
+<span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.fs.HFileSystem;<a name="line.37"></a>
+<span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.io.FSDataInputStreamWrapper;<a name="line.38"></a>
+<span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.io.ByteArrayOutputStream;<a name="line.39"></a>
+<span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.io.ByteBuffInputStream;<a name="line.40"></a>
+<span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.io.ByteBufferSupportDataOutputStream;<a name="line.41"></a>
+<span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.io.encoding.DataBlockEncoding;<a name="line.42"></a>
+<span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.io.encoding.HFileBlockDecodingContext;<a name="line.43"></a>
+<span class="sourceLineNo">044</span>import org.apache.hadoop.hbase.io.encoding.HFileBlockDefaultDecodingContext;<a name="line.44"></a>
+<span class="sourceLineNo">045</span>import org.apache.hadoop.hbase.io.encoding.HFileBlockDefaultEncodingContext;<a name="line.45"></a>
+<span class="sourceLineNo">046</span>import org.apache.hadoop.hbase.io.encoding.HFileBlockEncodingContext;<a name="line.46"></a>
+<span class="sourceLineNo">047</span>import org.apache.hadoop.hbase.nio.ByteBuff;<a name="line.47"></a>
+<span class="sourceLineNo">048</span>import org.apache.hadoop.hbase.nio.MultiByteBuff;<a name="line.48"></a>
+<span class="sourceLineNo">049</span>import org.apache.hadoop.hbase.nio.SingleByteBuff;<a name="line.49"></a>
+<span class="sourceLineNo">050</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.50"></a>
+<span class="sourceLineNo">051</span>import org.apache.hadoop.hbase.util.ChecksumType;<a name="line.51"></a>
+<span class="sourceLineNo">052</span>import org.apache.hadoop.hbase.util.ClassSize;<a name="line.52"></a>
+<span class="sourceLineNo">053</span>import org.apache.hadoop.io.IOUtils;<a name="line.53"></a>
+<span class="sourceLineNo">054</span><a name="line.54"></a>
+<span class="sourceLineNo">055</span>import com.google.common.annotations.VisibleForTesting;<a name="line.55"></a>
+<span class="sourceLineNo">056</span>import com.google.common.base.Preconditions;<a name="line.56"></a>
+<span class="sourceLineNo">057</span><a name="line.57"></a>
+<span class="sourceLineNo">058</span>/**<a name="line.58"></a>
+<span class="sourceLineNo">059</span> * Reads {@link HFile} version 1 and version 2 blocks but writes version 2 blocks only.<a name="line.59"></a>
+<span class="sourceLineNo">060</span> * Version 2 was introduced in hbase-0.92.0. Does read and write out to the filesystem but also<a name="line.60"></a>
+<span class="sourceLineNo">061</span> * the read and write to Cache.<a name="line.61"></a>
+<span class="sourceLineNo">062</span> *<a name="line.62"></a>
+<span class="sourceLineNo">063</span> * <h3>HFileBlock: Version 1</h3><a name="line.63"></a>
+<span class="sourceLineNo">064</span> * As of this writing, there should be no more version 1 blocks found out in the wild. Version 2<a name="line.64"></a>
+<span class="sourceLineNo">065</span> * as introduced in hbase-0.92.0.<a name="line.65"></a>
+<span class="sourceLineNo">066</span> * In version 1 all blocks are always compressed or uncompressed, as<a name="line.66"></a>
+<span class="sourceLineNo">067</span> * specified by the {@link HFile}'s compression algorithm, with a type-specific<a name="line.67"></a>
+<span class="sourceLineNo">068</span> * magic record stored in the beginning of the compressed data (i.e. one needs<a name="line.68"></a>
+<span class="sourceLineNo">069</span> * to uncompress the compressed block to determine the block type). There is<a name="line.69"></a>
+<span class="sourceLineNo">070</span> * only a single compression algorithm setting for all blocks. Offset and size<a name="line.70"></a>
+<span class="sourceLineNo">071</span> * information from the block index are required to read a block.<a name="line.71"></a>
+<span class="sourceLineNo">072</span> * <h3>HFileBlock: Version 2</h3><a name="line.72"></a>
+<span class="sourceLineNo">073</span> * In version 2, a block is structured as follows:<a name="line.73"></a>
+<span class="sourceLineNo">074</span> * <ul><a name="line.74"></a>
+<span class="sourceLineNo">075</span> * <li><b>Header:</b> See Writer#putHeader(); header total size is HFILEBLOCK_HEADER_SIZE)<a name="line.75"></a>
+<span class="sourceLineNo">076</span> * <ul><a name="line.76"></a>
+<span class="sourceLineNo">077</span> * <li>Magic record identifying the {@link BlockType} (8 bytes): e.g. <code>DATABLK*</code><a name="line.77"></a>
+<span class="sourceLineNo">078</span> * <li>Compressed -- a.k.a 'on disk' -- block size, excluding header, but including<a name="line.78"></a>
+<span class="sourceLineNo">079</span> * tailing checksum bytes (4 bytes)<a name="line.79"></a>
+<span class="sourceLineNo">080</span> * <li>Uncompressed block size, excluding header, and excluding checksum bytes (4 bytes)<a name="line.80"></a>
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+<span class="sourceLineNo">086</span> * excluding checksums (4 bytes)<a name="line.86"></a>
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+<span class="sourceLineNo">091</span> * version 1. If compression is NONE, this is just raw, serialized Cells.<a name="line.91"></a>
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+<span class="sourceLineNo">097</span> * to figure lengths, etc., and then another seek to pull in the data.<a name="line.97"></a>
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+<span class="sourceLineNo">102</span><a name="line.102"></a>
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+<span class="sourceLineNo">105</span> * auto-reenabling hbase checksum verification.<a name="line.105"></a>
+<span class="sourceLineNo">106</span> */<a name="line.106"></a>
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+<span class="sourceLineNo">108</span><a name="line.108"></a>
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+<span class="sourceLineNo">112</span><a name="line.112"></a>
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+<span class="sourceLineNo">116</span><a name="line.116"></a>
+<span class="sourceLineNo">117</span> /**<a name="line.117"></a>
+<span class="sourceLineNo">118</span> * See #blockDeserializer method for more info.<a name="line.118"></a>
+<span class="sourceLineNo">119</span> * 13 bytes of extra stuff stuck on the end of the HFileBlock that we pull in from HDFS (note,<a name="line.119"></a>
+<span class="sourceLineNo">120</span> * when we read from HDFS, we pull in an HFileBlock AND the header of the next block if one).<a name="line.120"></a>
+<span class="sourceLineNo">121</span> * The 13 bytes are: usesHBaseChecksum (1 byte) + offset of this block (long) +<a name="line.121"></a>
+<span class="sourceLineNo">122</span> * nextBlockOnDiskSizeWithHeader (int).<a name="line.122"></a>
+<span class="sourceLineNo">123</span> */<a name="line.123"></a>
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+<span class="sourceLineNo">125</span> Bytes.SIZEOF_BYTE + Bytes.SIZEOF_INT + Bytes.SIZEOF_LONG;<a name="line.125"></a>
+<span class="sourceLineNo">126</span><a name="line.126"></a>
+<span class="sourceLineNo">127</span> /**<a name="line.127"></a>
+<span class="sourceLineNo">128</span> * Each checksum value is an integer that can be stored in 4 bytes.<a name="line.128"></a>
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+<span class="sourceLineNo">130</span> static final int CHECKSUM_SIZE = Bytes.SIZEOF_INT;<a name="line.130"></a>
+<span class="sourceLineNo">131</span><a name="line.131"></a>
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+<span class="sourceLineNo">133</span> new byte[HConstants.HFILEBLOCK_HEADER_SIZE_NO_CHECKSUM];<a name="line.133"></a>
+<span class="sourceLineNo">134</span><a name="line.134"></a>
+<span class="sourceLineNo">135</span> /**<a name="line.135"></a>
+<span class="sourceLineNo">136</span> * Used deserializing blocks from Cache.<a name="line.136"></a>
+<span class="sourceLineNo">137</span> *<a name="line.137"></a>
+<span class="sourceLineNo">138</span> * Serializing to cache is a little hard to follow. See Writer#finishBlock for where it is done.<a name="line.138"></a>
+<span class="sourceLineNo">139</span> * When we start to append to a new HFileBlock,<a name="line.139"></a>
+<span class="sourceLineNo">140</span> * we skip over where the header should go before we start adding Cells. When the block is<a name="line.140"></a>
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+<span class="sourceLineNo">142</span> * gets serialized into the blockcache is a byte array that contains an HFileBlock followed by<a name="line.142"></a>
+<span class="sourceLineNo">143</span> * its checksums and then the header of the next HFileBlock (needed to help navigate), followed<a name="line.143"></a>
+<span class="sourceLineNo">144</span> * again by an extra 13 bytes of meta info needed when time to recreate the HFileBlock from cache.<a name="line.144"></a>
+<span class="sourceLineNo">145</span> *<a name="line.145"></a>
+<span class="sourceLineNo">146</span> * ++++++++++++++<a name="line.146"></a>
+<span class="sourceLineNo">147</span> * + HFileBlock +<a name="line.147"></a>
+<span class="sourceLineNo">148</span> * ++++++++++++++<a name="line.148"></a>
+<span class="sourceLineNo">149</span> * + Checksums +<a name="line.149"></a>
+<span class="sourceLineNo">150</span> * ++++++++++++++<a name="line.150"></a>
+<span class="sourceLineNo">151</span> * + NextHeader +<a name="line.151"></a>
+<span class="sourceLineNo">152</span> * ++++++++++++++<a name="line.152"></a>
+<span class="sourceLineNo">153</span> * + ExtraMeta! +<a name="line.153"></a>
+<span class="sourceLineNo">154</span> * ++++++++++++++<a name="line.154"></a>
+<span class="sourceLineNo">155</span> *<a name="line.155"></a>
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+<span class="sourceLineNo">157</span> */<a name="line.157"></a>
+<span class="sourceLineNo">158</span> static final CacheableDeserializer<Cacheable> blockDeserializer =<a name="line.158"></a>
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+<span class="sourceLineNo">160</span> public HFileBlock deserialize(ByteBuff buf, boolean reuse, MemoryType memType)<a name="line.160"></a>
+<span class="sourceLineNo">161</span> throws IOException {<a name="line.161"></a>
+<span class="sourceLineNo">162</span> // Rewind to just before the EXTRA_SERIALIZATION_SPACE.<a name="line.162"></a>
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+<span class="sourceLineNo">164</span> // Get a new buffer to pass the deserialized HFileBlock for it to 'own'.<a name="line.164"></a>
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+<span class="sourceLineNo">166</span> if (reuse) {<a name="line.166"></a>
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+<span class="sourceLineNo">171</span> newByteBuffer.put(0, buf, buf.position(), len);<a name="line.171"></a>
+<span class="sourceLineNo">172</span> }<a name="line.172"></a>
+<span class="sourceLineNo">173</span> // Read out the EXTRA_SERIALIZATION_SPACE content and shove into our HFileBlock.<a name="line.173"></a>
+<span class="sourceLineNo">174</span> buf.position(buf.limit());<a name="line.174"></a>
+<span class="sourceLineNo">175</span> buf.limit(buf.limit() + HFileBlock.EXTRA_SERIALIZATION_SPACE);<a name="line.175"></a>
+<span class="sourceLineNo">176</span> boolean usesChecksum = buf.get() == (byte)1;<a name="line.176"></a>
+<span class="sourceLineNo">177</span> HFileBlock hFileBlock = new HFileBlock(newByteBuffer, usesChecksum, memType);<a name="line.177"></a>
+<span class="sourceLineNo">178</span> hFileBlock.offset = buf.getLong();<a name="line.178"></a>
+<span class="sourceLineNo">179</span> hFileBlock.nextBlockOnDiskSizeWithHeader = buf.getInt();<a name="line.179"></a>
+<span class="sourceLineNo">180</span> if (hFileBlock.hasNextBlockHeader()) {<a name="line.180"></a>
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+<span class="sourceLineNo">182</span> }<a name="line.182"></a>
+<span class="sourceLineNo">183</span> return hFileBlock;<a name="line.183"></a>
+<span class="sourceLineNo">184</span> }<a name="line.184"></a>
+<span class="sourceLineNo">185</span><a name="line.185"></a>
+<span class="sourceLineNo">186</span> @Override<a name="line.186"></a>
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-<span class="sourceLineNo">193</span> * convenience of access. This offset is not part of the block header.<a name="line.193"></a>
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-<span class="sourceLineNo">199</span> * peeking into the first {@link HConstants#HFILEBLOCK_HEADER_SIZE} bytes of the next block's<a name="line.199"></a>
-<span class="sourceLineNo">200</span> * header, or -1 if unknown.<a name="line.200"></a>
-<span class="sourceLineNo">201</span> */<a name="line.201"></a>
-<span class="sourceLineNo">202</span> private int nextBlockOnDiskSizeWithHeader = -1;<a name="line.202"></a>
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+<span class="sourceLineNo">192</span> public HFileBlock deserialize(ByteBuff b) throws IOException {<a name="line.192"></a>
+<span class="sourceLineNo">193</span> // Used only in tests<a name="line.193"></a>
+<span class="sourceLineNo">194</span> return deserialize(b, false, MemoryType.EXCLUSIVE);<a name="line.194"></a>
+<span class="sourceLineNo">195</span> }<a name="line.195"></a>
+<span class="sourceLineNo">196</span> };<a name="line.196"></a>
+<span class="sourceLineNo">197</span><a name="line.197"></a>
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+<span class="sourceLineNo">200</span> deserializerIdentifier = CacheableDeserializerIdManager<a name="line.200"></a>
+<span class="sourceLineNo">201</span> .registerDeserializer(blockDeserializer);<a name="line.201"></a>
+<span class="sourceLineNo">202</span> }<a name="line.202"></a>
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-<span class="sourceLineNo">204</span> private MemoryType memType = MemoryType.EXCLUSIVE;<a name="line.204"></a>
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-<span class="sourceLineNo">209</span> * and is sitting in a byte buffer.<a name="line.209"></a>
-<span class="sourceLineNo">210</span> *<a name="line.210"></a>
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-<span class="sourceLineNo">214</span> * @param prevBlockOffset see {@link #prevBlockOffset}<a name="line.214"></a>
-<span class="sourceLineNo">215</span> * @param buf block header ({@link HConstants#HFILEBLOCK_HEADER_SIZE} bytes) followed by<a name="line.215"></a>
-<span class="sourceLineNo">216</span> * uncompressed data. This<a name="line.216"></a>
-<span class="sourceLineNo">217</span> * @param fillHeader when true, parse {@code buf} and override the first 4 header fields.<a name="line.217"></a>
-<span class="sourceLineNo">218</span> * @param offset the file offset the block was read from<a name="line.218"></a>
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-<span class="sourceLineNo">230</span> this.offset = offset;<a name="line.230"></a>
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-<span class="sourceLineNo">235</span> this.buf.rewind();<a name="line.235"></a>
-<span class="sourceLineNo">236</span> }<a name="line.236"></a>
+<span class="sourceLineNo">204</span> /** Type of block. Header field 0. */<a name="line.204"></a>
+<span class="sourceLineNo">205</span> private BlockType blockType;<a name="line.205"></a>
+<span class="sourceLineNo">206</span><a name="line.206"></a>
+<span class="sourceLineNo">207</span> /**<a name="line.207"></a>
+<span class="sourceLineNo">208</span> * Size on disk excluding header, including checksum. Header field 1.<a name="line.208"></a>
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+<span class="sourceLineNo">210</span> */<a name="line.210"></a>
+<span class="sourceLineNo">211</span> private int onDiskSizeWithoutHeader;<a name="line.211"></a>
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+<span class="sourceLineNo">213</span> /**<a name="line.213"></a>
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+<span class="sourceLineNo">215</span> * @see Writer#putHeader(byte[], int, int, int, int)<a name="line.215"></a>
+<span class="sourceLineNo">216</span> */<a name="line.216"></a>
+<span class="sourceLineNo">217</span> private final int uncompressedSizeWithoutHeader;<a name="line.217"></a>
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+<span class="sourceLineNo">219</span> /**<a name="line.219"></a>
+<span class="sourceLineNo">220</span> * The offset of the previous block on disk. Header field 3.<a name="line.220"></a>
+<span class="sourceLineNo">221</span> * @see Writer#putHeader(byte[], int, int, int, int)<a name="line.221"></a>
+<span class="sourceLineNo">222</span> */<a name="line.222"></a>
+<span class="sourceLineNo">223</span> private final long prevBlockOffset;<a name="line.223"></a>
+<span class="sourceLineNo">224</span><a name="line.224"></a>
+<span class="sourceLineNo">225</span> /**<a name="line.225"></a>
+<span class="sourceLineNo">226</span> * Size on disk of header + data. Excludes checksum. Header field 6,<a name="line.226"></a>
+<span class="sourceLineNo">227</span> * OR calculated from {@link #onDiskSizeWithoutHeader} when using HDFS checksum.<a name="line.227"></a>
+<span class="sourceLineNo">228</span> * @see Writer#putHeader(byte[], int, int, int, int)<a name="line.228"></a>
+<span class="sourceLineNo">229</span> */<a name="line.229"></a>
+<span class="sourceLineNo">230</span> private final int onDiskDataSizeWithHeader;<a name="line.230"></a>
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+<span class="sourceLineNo">232</span> /** The in-memory representation of the hfile block */<a name="line.232"></a>
+<span class="sourceLineNo">233</span> private ByteBuff buf;<a name="line.233"></a>
+<span class="sourceLineNo">234</span><a name="line.234"></a>
+<span class="sourceLineNo">235</span> /** Meta data that holds meta information on the hfileblock */<a name="line.235"></a>
+<span class="sourceLineNo">236</span> private HFileContext fileContext;<a name="line.236"></a>
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-<span class="sourceLineNo">245</span> /**<a name="line.245"></a>
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-<span class="sourceLineNo">254</span> this.offset = that.offset;<a name="line.254"></a>
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-<span class="sourceLineNo">256</span> this.fileContext = that.fileContext;<a name="line.256"></a>
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<TRUNCATED>
[10/51] [partial] hbase-site git commit: Published site at
7dabcf23e8dd53f563981e1e03f82336fc0a44da.
Posted by mi...@apache.org.
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/3e48e84d/devapidocs/src-html/org/apache/hadoop/hbase/io/hfile/HFile.CachingBlockReader.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/io/hfile/HFile.CachingBlockReader.html b/devapidocs/src-html/org/apache/hadoop/hbase/io/hfile/HFile.CachingBlockReader.html
index 8fd15a0..da22771 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/io/hfile/HFile.CachingBlockReader.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/io/hfile/HFile.CachingBlockReader.html
@@ -186,741 +186,742 @@
<span class="sourceLineNo">178</span> * The number of bytes per checksum.<a name="line.178"></a>
<span class="sourceLineNo">179</span> */<a name="line.179"></a>
<span class="sourceLineNo">180</span> public static final int DEFAULT_BYTES_PER_CHECKSUM = 16 * 1024;<a name="line.180"></a>
-<span class="sourceLineNo">181</span> // For measuring number of checksum failures<a name="line.181"></a>
-<span class="sourceLineNo">182</span> static final Counter checksumFailures = new Counter();<a name="line.182"></a>
-<span class="sourceLineNo">183</span><a name="line.183"></a>
-<span class="sourceLineNo">184</span> // for test purpose<a name="line.184"></a>
-<span class="sourceLineNo">185</span> public static final Counter dataBlockReadCnt = new Counter();<a name="line.185"></a>
-<span class="sourceLineNo">186</span><a name="line.186"></a>
-<span class="sourceLineNo">187</span> /**<a name="line.187"></a>
-<span class="sourceLineNo">188</span> * Number of checksum verification failures. It also<a name="line.188"></a>
-<span class="sourceLineNo">189</span> * clears the counter.<a name="line.189"></a>
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-<span class="sourceLineNo">191</span> public static final long getChecksumFailuresCount() {<a name="line.191"></a>
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-<span class="sourceLineNo">193</span> checksumFailures.set(0);<a name="line.193"></a>
-<span class="sourceLineNo">194</span> return count;<a name="line.194"></a>
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-<span class="sourceLineNo">196</span><a name="line.196"></a>
-<span class="sourceLineNo">197</span> /** API required to write an {@link HFile} */<a name="line.197"></a>
-<span class="sourceLineNo">198</span> public interface Writer extends Closeable {<a name="line.198"></a>
-<span class="sourceLineNo">199</span> /** Max memstore (mvcc) timestamp in FileInfo */<a name="line.199"></a>
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-<span class="sourceLineNo">201</span><a name="line.201"></a>
-<span class="sourceLineNo">202</span> /** Add an element to the file info map. */<a name="line.202"></a>
-<span class="sourceLineNo">203</span> void appendFileInfo(byte[] key, byte[] value) throws IOException;<a name="line.203"></a>
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-<span class="sourceLineNo">205</span> void append(Cell cell) throws IOException;<a name="line.205"></a>
-<span class="sourceLineNo">206</span><a name="line.206"></a>
-<span class="sourceLineNo">207</span> /** @return the path to this {@link HFile} */<a name="line.207"></a>
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-<span class="sourceLineNo">209</span><a name="line.209"></a>
-<span class="sourceLineNo">210</span> /**<a name="line.210"></a>
-<span class="sourceLineNo">211</span> * Adds an inline block writer such as a multi-level block index writer or<a name="line.211"></a>
-<span class="sourceLineNo">212</span> * a compound Bloom filter writer.<a name="line.212"></a>
-<span class="sourceLineNo">213</span> */<a name="line.213"></a>
-<span class="sourceLineNo">214</span> void addInlineBlockWriter(InlineBlockWriter bloomWriter);<a name="line.214"></a>
-<span class="sourceLineNo">215</span><a name="line.215"></a>
-<span class="sourceLineNo">216</span> // The below three methods take Writables. We'd like to undo Writables but undoing the below would be pretty<a name="line.216"></a>
-<span class="sourceLineNo">217</span> // painful. Could take a byte [] or a Message but we want to be backward compatible around hfiles so would need<a name="line.217"></a>
-<span class="sourceLineNo">218</span> // to map between Message and Writable or byte [] and current Writable serialization. This would be a bit of work<a name="line.218"></a>
-<span class="sourceLineNo">219</span> // to little gain. Thats my thinking at moment. St.Ack 20121129<a name="line.219"></a>
-<span class="sourceLineNo">220</span><a name="line.220"></a>
-<span class="sourceLineNo">221</span> void appendMetaBlock(String bloomFilterMetaKey, Writable metaWriter);<a name="line.221"></a>
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-<span class="sourceLineNo">223</span> /**<a name="line.223"></a>
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-<span class="sourceLineNo">346</span> case 2:<a name="line.346"></a>
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+<span class="sourceLineNo">306</span> if (path != null) {<a name="line.306"></a>
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+<span class="sourceLineNo">314</span> }<a name="line.314"></a>
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+<span class="sourceLineNo">319</span> /** The configuration key for HFile version to use for new files */<a name="line.319"></a>
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+<span class="sourceLineNo">322</span> public static int getFormatVersion(Configuration conf) {<a name="line.322"></a>
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+<span class="sourceLineNo">347</span> case 2:<a name="line.347"></a>
+<span class="sourceLineNo">348</span> throw new IllegalArgumentException("This should never happen. " +<a name="line.348"></a>
+<span class="sourceLineNo">349</span> "Did you change hfile.format.version to read v2? This version of the software writes v3" +<a name="line.349"></a>
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+<span class="sourceLineNo">351</span> "in hbase-site.xml)");<a name="line.351"></a>
+<span class="sourceLineNo">352</span> case 3:<a name="line.352"></a>
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+<span class="sourceLineNo">355</span> throw new IllegalArgumentException("Cannot create writer for HFile " +<a name="line.355"></a>
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+<span class="sourceLineNo">360</span> /**<a name="line.360"></a>
+<span class="sourceLineNo">361</span> * An abstraction used by the block index.<a name="line.361"></a>
+<span class="sourceLineNo">362</span> * Implementations will check cache for any asked-for block and return cached block if found.<a name="line.362"></a>
+<span class="sourceLineNo">363</span> * Otherwise, after reading from fs, will try and put block into cache before returning.<a name="line.363"></a>
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+<span class="sourceLineNo">367</span> * Read in a file block.<a name="line.367"></a>
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+<span class="sourceLineNo">369</span> * @param onDiskBlockSize size of the block<a name="line.369"></a>
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+<span class="sourceLineNo">372</span> * @param isCompaction is this block being read as part of a compaction<a name="line.372"></a>
+<span class="
<TRUNCATED>
[08/51] [partial] hbase-site git commit: Published site at
7dabcf23e8dd53f563981e1e03f82336fc0a44da.
Posted by mi...@apache.org.
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/3e48e84d/devapidocs/src-html/org/apache/hadoop/hbase/io/hfile/HFile.Reader.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/io/hfile/HFile.Reader.html b/devapidocs/src-html/org/apache/hadoop/hbase/io/hfile/HFile.Reader.html
index 8fd15a0..da22771 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/io/hfile/HFile.Reader.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/io/hfile/HFile.Reader.html
@@ -186,741 +186,742 @@
<span class="sourceLineNo">178</span> * The number of bytes per checksum.<a name="line.178"></a>
<span class="sourceLineNo">179</span> */<a name="line.179"></a>
<span class="sourceLineNo">180</span> public static final int DEFAULT_BYTES_PER_CHECKSUM = 16 * 1024;<a name="line.180"></a>
-<span class="sourceLineNo">181</span> // For measuring number of checksum failures<a name="line.181"></a>
-<span class="sourceLineNo">182</span> static final Counter checksumFailures = new Counter();<a name="line.182"></a>
-<span class="sourceLineNo">183</span><a name="line.183"></a>
-<span class="sourceLineNo">184</span> // for test purpose<a name="line.184"></a>
-<span class="sourceLineNo">185</span> public static final Counter dataBlockReadCnt = new Counter();<a name="line.185"></a>
-<span class="sourceLineNo">186</span><a name="line.186"></a>
-<span class="sourceLineNo">187</span> /**<a name="line.187"></a>
-<span class="sourceLineNo">188</span> * Number of checksum verification failures. It also<a name="line.188"></a>
-<span class="sourceLineNo">189</span> * clears the counter.<a name="line.189"></a>
-<span class="sourceLineNo">190</span> */<a name="line.190"></a>
-<span class="sourceLineNo">191</span> public static final long getChecksumFailuresCount() {<a name="line.191"></a>
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-<span class="sourceLineNo">193</span> checksumFailures.set(0);<a name="line.193"></a>
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-<span class="sourceLineNo">195</span> }<a name="line.195"></a>
-<span class="sourceLineNo">196</span><a name="line.196"></a>
-<span class="sourceLineNo">197</span> /** API required to write an {@link HFile} */<a name="line.197"></a>
-<span class="sourceLineNo">198</span> public interface Writer extends Closeable {<a name="line.198"></a>
-<span class="sourceLineNo">199</span> /** Max memstore (mvcc) timestamp in FileInfo */<a name="line.199"></a>
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-<span class="sourceLineNo">202</span> /** Add an element to the file info map. */<a name="line.202"></a>
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-<span class="sourceLineNo">204</span><a name="line.204"></a>
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-<span class="sourceLineNo">207</span> /** @return the path to this {@link HFile} */<a name="line.207"></a>
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-<span class="sourceLineNo">210</span> /**<a name="line.210"></a>
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-<span class="sourceLineNo">215</span><a name="line.215"></a>
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-<span class="sourceLineNo">218</span> // to map between Message and Writable or byte [] and current Writable serialization. This would be a bit of work<a name="line.218"></a>
-<span class="sourceLineNo">219</span> // to little gain. Thats my thinking at moment. St.Ack 20121129<a name="line.219"></a>
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-<span class="sourceLineNo">273</span> this.ostream = ostream;<a name="line.273"></a>
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-<span class="sourceLineNo">276</span><a name="line.276"></a>
-<span class="sourceLineNo">277</span> public WriterFactory withComparator(CellComparator comparator) {<a name="line.277"></a>
-<span class="sourceLineNo">278</span> Preconditions.checkNotNull(comparator);<a name="line.278"></a>
-<span class="sourceLineNo">279</span> this.comparator = comparator;<a name="line.279"></a>
-<span class="sourceLineNo">280</span> return this;<a name="line.280"></a>
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-<span class="sourceLineNo">284</span> // Deliberately not checking for null here.<a name="line.284"></a>
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-<span class="sourceLineNo">289</span> public WriterFactory withFileContext(HFileContext fileContext) {<a name="line.289"></a>
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-<span class="sourceLineNo">296</span> return this;<a name="line.296"></a>
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+<span class="sourceLineNo">182</span> // For measuring number of checksum failures<a name="line.182"></a>
+<span class="sourceLineNo">183</span> static final Counter CHECKSUM_FAILURES = new Counter();<a name="line.183"></a>
+<span class="sourceLineNo">184</span><a name="line.184"></a>
+<span class="sourceLineNo">185</span> // For tests. Gets incremented when we read a block whether from HDFS or from Cache.<a name="line.185"></a>
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<link rel="stylesheet" href="./css/apache-maven-fluido-1.5-HBASE.min.css" />
@@ -312,7 +312,7 @@
<a href="http://www.apache.org/">The Apache Software Foundation</a>.
All rights reserved.
- <li id="publishDate" class="pull-right">Last Published: 2016-03-03</li>
+ <li id="publishDate" class="pull-right">Last Published: 2016-03-04</li>
</p>
</div>
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/3e48e84d/dependency-management.html
----------------------------------------------------------------------
diff --git a/dependency-management.html b/dependency-management.html
index bec81a8..e129bcb 100644
--- a/dependency-management.html
+++ b/dependency-management.html
@@ -7,7 +7,7 @@
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
- <meta name="Date-Revision-yyyymmdd" content="20160303" />
+ <meta name="Date-Revision-yyyymmdd" content="20160304" />
<meta http-equiv="Content-Language" content="en" />
<title>Apache HBase – Project Dependency Management</title>
<link rel="stylesheet" href="./css/apache-maven-fluido-1.5-HBASE.min.css" />
@@ -786,7 +786,7 @@
<a href="http://www.apache.org/">The Apache Software Foundation</a>.
All rights reserved.
- <li id="publishDate" class="pull-right">Last Published: 2016-03-03</li>
+ <li id="publishDate" class="pull-right">Last Published: 2016-03-04</li>
</p>
</div>
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/3e48e84d/devapidocs/constant-values.html
----------------------------------------------------------------------
diff --git a/devapidocs/constant-values.html b/devapidocs/constant-values.html
index 6fe515e..d886556 100644
--- a/devapidocs/constant-values.html
+++ b/devapidocs/constant-values.html
@@ -6851,20 +6851,13 @@
<td class="colLast"><code>false</code></td>
</tr>
<tr class="rowColor">
-<td class="colFirst"><a name="org.apache.hadoop.hbase.io.hfile.HFileBlock.ENCODED_HEADER_SIZE">
-<!-- -->
-</a><code>public static final int</code></td>
-<td><code><a href="org/apache/hadoop/hbase/io/hfile/HFileBlock.html#ENCODED_HEADER_SIZE">ENCODED_HEADER_SIZE</a></code></td>
-<td class="colLast"><code>35</code></td>
-</tr>
-<tr class="altColor">
<td class="colFirst"><a name="org.apache.hadoop.hbase.io.hfile.HFileBlock.EXTRA_SERIALIZATION_SPACE">
<!-- -->
</a><code>public static final int</code></td>
<td><code><a href="org/apache/hadoop/hbase/io/hfile/HFileBlock.html#EXTRA_SERIALIZATION_SPACE">EXTRA_SERIALIZATION_SPACE</a></code></td>
<td class="colLast"><code>13</code></td>
</tr>
-<tr class="rowColor">
+<tr class="altColor">
<td class="colFirst"><a name="org.apache.hadoop.hbase.io.hfile.HFileBlock.FILL_HEADER">
<!-- -->
</a><code>public static final boolean</code></td>
@@ -7095,6 +7088,13 @@
<td><code><a href="org/apache/hadoop/hbase/io/hfile/HFileWriterImpl.html#KEY_VALUE_VER_WITH_MEMSTORE">KEY_VALUE_VER_WITH_MEMSTORE</a></code></td>
<td class="colLast"><code>1</code></td>
</tr>
+<tr class="rowColor">
+<td class="colFirst"><a name="org.apache.hadoop.hbase.io.hfile.HFileWriterImpl.UNSET">
+<!-- -->
+</a><code>private static final long</code></td>
+<td><code><a href="org/apache/hadoop/hbase/io/hfile/HFileWriterImpl.html#UNSET">UNSET</a></code></td>
+<td class="colLast"><code>-1L</code></td>
+</tr>
</tbody>
</table>
</li>
@@ -16108,7 +16108,7 @@
<!-- -->
</a><code>private static final <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
<td><code><a href="org/apache/hadoop/hbase/regionserver/throttle/CompactionThroughputControllerFactory.html#DEPRECATED_NAME_OF_NO_LIMIT_THROUGHPUT_CONTROLLER_CLASS">DEPRECATED_NAME_OF_NO_LIMIT_THROUGHPUT_CONTROLLER_CLASS</a></code></td>
-<td class="colLast"><code>"org.apache.hadoop.hbase.regionserver.compactions.NoLimitThroughputController.java"</code></td>
+<td class="colLast"><code>"org.apache.hadoop.hbase.regionserver.compactions.NoLimitThroughputController"</code></td>
</tr>
<tr class="rowColor">
<td class="colFirst"><a name="org.apache.hadoop.hbase.regionserver.throttle.CompactionThroughputControllerFactory.DEPRECATED_NAME_OF_PRESSURE_AWARE_THROUGHPUT_CONTROLLER_CLASS">
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/3e48e84d/devapidocs/index-all.html
----------------------------------------------------------------------
diff --git a/devapidocs/index-all.html b/devapidocs/index-all.html
index aef5e16..149c5f3 100644
--- a/devapidocs/index-all.html
+++ b/devapidocs/index-all.html
@@ -4628,7 +4628,9 @@
<dt><span class="strong"><a href="./org/apache/hadoop/hbase/io/hfile/HFileBlockIndex.BlockIndexReader.html#blockDataSizes">blockDataSizes</a></span> - Variable in class org.apache.hadoop.hbase.io.hfile.<a href="./org/apache/hadoop/hbase/io/hfile/HFileBlockIndex.BlockIndexReader.html" title="class in org.apache.hadoop.hbase.io.hfile">HFileBlockIndex.BlockIndexReader</a></dt>
<dd> </dd>
<dt><span class="strong"><a href="./org/apache/hadoop/hbase/io/hfile/HFileBlock.html#blockDeserializer">blockDeserializer</a></span> - Static variable in class org.apache.hadoop.hbase.io.hfile.<a href="./org/apache/hadoop/hbase/io/hfile/HFileBlock.html" title="class in org.apache.hadoop.hbase.io.hfile">HFileBlock</a></dt>
-<dd> </dd>
+<dd>
+<div class="block">Used deserializing blocks from Cache.</div>
+</dd>
<dt><span class="strong"><a href="./org/apache/hadoop/hbase/regionserver/MetricsRegionServerSource.html#BLOCKED_REQUESTS_COUNT">BLOCKED_REQUESTS_COUNT</a></span> - Static variable in interface org.apache.hadoop.hbase.regionserver.<a href="./org/apache/hadoop/hbase/regionserver/MetricsRegionServerSource.html" title="interface in org.apache.hadoop.hbase.regionserver">MetricsRegionServerSource</a></dt>
<dd> </dd>
<dt><span class="strong"><a href="./org/apache/hadoop/hbase/regionserver/MetricsRegionServerSource.html#BLOCKED_REQUESTS_COUNT_DESC">BLOCKED_REQUESTS_COUNT_DESC</a></span> - Static variable in interface org.apache.hadoop.hbase.regionserver.<a href="./org/apache/hadoop/hbase/regionserver/MetricsRegionServerSource.html" title="interface in org.apache.hadoop.hbase.regionserver">MetricsRegionServerSource</a></dt>
@@ -4828,6 +4830,10 @@
<dd> </dd>
<dt><span class="strong"><a href="./org/apache/hadoop/hbase/io/hfile/HFileBlockIndex.BlockIndexWriter.html#blockWriter">blockWriter</a></span> - Variable in class org.apache.hadoop.hbase.io.hfile.<a href="./org/apache/hadoop/hbase/io/hfile/HFileBlockIndex.BlockIndexWriter.html" title="class in org.apache.hadoop.hbase.io.hfile">HFileBlockIndex.BlockIndexWriter</a></dt>
<dd> </dd>
+<dt><span class="strong"><a href="./org/apache/hadoop/hbase/io/hfile/HFileWriterImpl.html#blockWriter">blockWriter</a></span> - Variable in class org.apache.hadoop.hbase.io.hfile.<a href="./org/apache/hadoop/hbase/io/hfile/HFileWriterImpl.html" title="class in org.apache.hadoop.hbase.io.hfile">HFileWriterImpl</a></dt>
+<dd>
+<div class="block">block writer</div>
+</dd>
<dt><span class="strong"><a href="./org/apache/hadoop/hbase/io/hfile/CompoundBloomFilterWriter.html#blockWritten(long,%20int,%20int)">blockWritten(long, int, int)</a></span> - Method in class org.apache.hadoop.hbase.io.hfile.<a href="./org/apache/hadoop/hbase/io/hfile/CompoundBloomFilterWriter.html" title="class in org.apache.hadoop.hbase.io.hfile">CompoundBloomFilterWriter</a></dt>
<dd> </dd>
<dt><span class="strong"><a href="./org/apache/hadoop/hbase/io/hfile/HFileBlockIndex.BlockIndexWriter.html#blockWritten(long,%20int,%20int)">blockWritten(long, int, int)</a></span> - Method in class org.apache.hadoop.hbase.io.hfile.<a href="./org/apache/hadoop/hbase/io/hfile/HFileBlockIndex.BlockIndexWriter.html" title="class in org.apache.hadoop.hbase.io.hfile">HFileBlockIndex.BlockIndexWriter</a></dt>
@@ -4990,8 +4996,8 @@
</dd>
<dt><span class="strong"><a href="./org/apache/hadoop/hbase/io/hfile/CacheConfig.html#BUCKET_CACHE_PERSISTENT_PATH_KEY">BUCKET_CACHE_PERSISTENT_PATH_KEY</a></span> - Static variable in class org.apache.hadoop.hbase.io.hfile.<a href="./org/apache/hadoop/hbase/io/hfile/CacheConfig.html" title="class in org.apache.hadoop.hbase.io.hfile">CacheConfig</a></dt>
<dd>
-<div class="block">If the chosen ioengine can persist its state across restarts, the path to the file to
- persist to.</div>
+<div class="block">If the chosen ioengine can persist its state across restarts, the path to the file to persist
+ to.</div>
</dd>
<dt><span class="strong"><a href="./org/apache/hadoop/hbase/HConstants.html#BUCKET_CACHE_SIZE_KEY">BUCKET_CACHE_SIZE_KEY</a></span> - Static variable in class org.apache.hadoop.hbase.<a href="./org/apache/hadoop/hbase/HConstants.html" title="class in org.apache.hadoop.hbase">HConstants</a></dt>
<dd>
@@ -5039,7 +5045,7 @@
<dt><a href="./org/apache/hadoop/hbase/io/hfile/bucket/BucketCache.html" title="class in org.apache.hadoop.hbase.io.hfile.bucket"><span class="strong">BucketCache</span></a> - Class in <a href="./org/apache/hadoop/hbase/io/hfile/bucket/package-summary.html">org.apache.hadoop.hbase.io.hfile.bucket</a></dt>
<dd>
<div class="block">BucketCache uses <a href="./org/apache/hadoop/hbase/io/hfile/bucket/BucketAllocator.html" title="class in org.apache.hadoop.hbase.io.hfile.bucket"><code>BucketAllocator</code></a> to allocate/free blocks, and uses
- <a href="./org/apache/hadoop/hbase/io/hfile/bucket/BucketCache.html#ramCache"><code>BucketCache.ramCache</code></a> and <a href="./org/apache/hadoop/hbase/io/hfile/bucket/BucketCache.html#backingMap"><code>BucketCache.backingMap</code></a> in order to
+ BucketCache#ramCache and BucketCache#backingMap in order to
determine if a given element is in the cache.</div>
</dd>
<dt><span class="strong"><a href="./org/apache/hadoop/hbase/io/hfile/bucket/BucketCache.html#BucketCache(java.lang.String,%20long,%20int,%20int[],%20int,%20int,%20java.lang.String)">BucketCache(String, long, int, int[], int, int, String)</a></span> - Constructor for class org.apache.hadoop.hbase.io.hfile.bucket.<a href="./org/apache/hadoop/hbase/io/hfile/bucket/BucketCache.html" title="class in org.apache.hadoop.hbase.io.hfile.bucket">BucketCache</a></dt>
@@ -8155,6 +8161,8 @@
</dd>
<dt><span class="strong"><a href="./org/apache/hadoop/hbase/client/HBaseAdmin.ProcedureFuture.WaitForStateCallable.html#checkState(int)">checkState(int)</a></span> - Method in interface org.apache.hadoop.hbase.client.<a href="./org/apache/hadoop/hbase/client/HBaseAdmin.ProcedureFuture.WaitForStateCallable.html" title="interface in org.apache.hadoop.hbase.client">HBaseAdmin.ProcedureFuture.WaitForStateCallable</a></dt>
<dd> </dd>
+<dt><span class="strong"><a href="./org/apache/hadoop/hbase/io/hfile/HFile.html#CHECKSUM_FAILURES">CHECKSUM_FAILURES</a></span> - Static variable in class org.apache.hadoop.hbase.io.hfile.<a href="./org/apache/hadoop/hbase/io/hfile/HFile.html" title="class in org.apache.hadoop.hbase.io.hfile">HFile</a></dt>
+<dd> </dd>
<dt><span class="strong"><a href="./org/apache/hadoop/hbase/io/hfile/HFileBlock.html#CHECKSUM_SIZE">CHECKSUM_SIZE</a></span> - Static variable in class org.apache.hadoop.hbase.io.hfile.<a href="./org/apache/hadoop/hbase/io/hfile/HFileBlock.html" title="class in org.apache.hadoop.hbase.io.hfile">HFileBlock</a></dt>
<dd>
<div class="block">Each checksum value is an integer that can be stored in 4 bytes.</div>
@@ -8167,9 +8175,8 @@
</dd>
<dt><span class="strong"><a href="./org/apache/hadoop/hbase/io/hfile/HFileBlock.html#CHECKSUM_VERIFICATION_NUM_IO_THRESHOLD">CHECKSUM_VERIFICATION_NUM_IO_THRESHOLD</a></span> - Static variable in class org.apache.hadoop.hbase.io.hfile.<a href="./org/apache/hadoop/hbase/io/hfile/HFileBlock.html" title="class in org.apache.hadoop.hbase.io.hfile">HFileBlock</a></dt>
<dd>
-<div class="block">On a checksum failure on a Reader, these many suceeding read
- requests switch back to using hdfs checksums before auto-reenabling
- hbase checksum verification.</div>
+<div class="block">On a checksum failure, do these many succeeding read requests using hdfs checksums before
+ auto-reenabling hbase checksum verification.</div>
</dd>
<dt><a href="./org/apache/hadoop/hbase/util/ChecksumFactory.html" title="class in org.apache.hadoop.hbase.util"><span class="strong">ChecksumFactory</span></a> - Class in <a href="./org/apache/hadoop/hbase/util/package-summary.html">org.apache.hadoop.hbase.util</a></dt>
<dd>
@@ -8177,8 +8184,6 @@
</dd>
<dt><span class="strong"><a href="./org/apache/hadoop/hbase/util/ChecksumFactory.html#ChecksumFactory()">ChecksumFactory()</a></span> - Constructor for class org.apache.hadoop.hbase.util.<a href="./org/apache/hadoop/hbase/util/ChecksumFactory.html" title="class in org.apache.hadoop.hbase.util">ChecksumFactory</a></dt>
<dd> </dd>
-<dt><span class="strong"><a href="./org/apache/hadoop/hbase/io/hfile/HFile.html#checksumFailures">checksumFailures</a></span> - Static variable in class org.apache.hadoop.hbase.io.hfile.<a href="./org/apache/hadoop/hbase/io/hfile/HFile.html" title="class in org.apache.hadoop.hbase.io.hfile">HFile</a></dt>
-<dd> </dd>
<dt><span class="strong"><a href="./org/apache/hadoop/hbase/io/FSDataInputStreamWrapper.html#checksumOk()">checksumOk()</a></span> - Method in class org.apache.hadoop.hbase.io.<a href="./org/apache/hadoop/hbase/io/FSDataInputStreamWrapper.html" title="class in org.apache.hadoop.hbase.io">FSDataInputStreamWrapper</a></dt>
<dd>
<div class="block">Report that checksum was ok, so we may ponder going back to HBase checksum.</div>
@@ -16257,6 +16262,8 @@
<dd> </dd>
<dt><span class="strong"><a href="./org/apache/hadoop/hbase/mapreduce/HFileOutputFormat2.html#DATABLOCK_ENCODING_OVERRIDE_CONF_KEY">DATABLOCK_ENCODING_OVERRIDE_CONF_KEY</a></span> - Static variable in class org.apache.hadoop.hbase.mapreduce.<a href="./org/apache/hadoop/hbase/mapreduce/HFileOutputFormat2.html" title="class in org.apache.hadoop.hbase.mapreduce">HFileOutputFormat2</a></dt>
<dd> </dd>
+<dt><span class="strong"><a href="./org/apache/hadoop/hbase/io/hfile/HFile.html#DATABLOCK_READ_COUNT">DATABLOCK_READ_COUNT</a></span> - Static variable in class org.apache.hadoop.hbase.io.hfile.<a href="./org/apache/hadoop/hbase/io/hfile/HFile.html" title="class in org.apache.hadoop.hbase.io.hfile">HFile</a></dt>
+<dd> </dd>
<dt><span class="strong"><a href="./org/apache/hadoop/hbase/io/hfile/BlockCacheUtil.CachedBlocksByFile.html#dataBlockCount">dataBlockCount</a></span> - Variable in class org.apache.hadoop.hbase.io.hfile.<a href="./org/apache/hadoop/hbase/io/hfile/BlockCacheUtil.CachedBlocksByFile.html" title="class in org.apache.hadoop.hbase.io.hfile">BlockCacheUtil.CachedBlocksByFile</a></dt>
<dd> </dd>
<dt><a href="./org/apache/hadoop/hbase/io/encoding/DataBlockEncoder.html" title="interface in org.apache.hadoop.hbase.io.encoding"><span class="strong">DataBlockEncoder</span></a> - Interface in <a href="./org/apache/hadoop/hbase/io/encoding/package-summary.html">org.apache.hadoop.hbase.io.encoding</a></dt>
@@ -16296,8 +16303,6 @@
</dd>
<dt><span class="strong"><a href="./org/apache/hadoop/hbase/io/hfile/HFileWriterImpl.html#dataBlockIndexWriter">dataBlockIndexWriter</a></span> - Variable in class org.apache.hadoop.hbase.io.hfile.<a href="./org/apache/hadoop/hbase/io/hfile/HFileWriterImpl.html" title="class in org.apache.hadoop.hbase.io.hfile">HFileWriterImpl</a></dt>
<dd> </dd>
-<dt><span class="strong"><a href="./org/apache/hadoop/hbase/io/hfile/HFile.html#dataBlockReadCnt">dataBlockReadCnt</a></span> - Static variable in class org.apache.hadoop.hbase.io.hfile.<a href="./org/apache/hadoop/hbase/io/hfile/HFile.html" title="class in org.apache.hadoop.hbase.io.hfile">HFile</a></dt>
-<dd> </dd>
<dt><span class="strong"><a href="./org/apache/hadoop/hbase/procedure/Procedure.html#dataFromFinishedMembers">dataFromFinishedMembers</a></span> - Variable in class org.apache.hadoop.hbase.procedure.<a href="./org/apache/hadoop/hbase/procedure/Procedure.html" title="class in org.apache.hadoop.hbase.procedure">Procedure</a></dt>
<dd> </dd>
<dt><span class="strong"><a href="./org/apache/hadoop/hbase/io/hfile/FixedFileTrailer.html#dataIndexCount">dataIndexCount</a></span> - Variable in class org.apache.hadoop.hbase.io.hfile.<a href="./org/apache/hadoop/hbase/io/hfile/FixedFileTrailer.html" title="class in org.apache.hadoop.hbase.io.hfile">FixedFileTrailer</a></dt>
@@ -19079,8 +19084,7 @@
<dd> </dd>
<dt><span class="strong"><a href="./org/apache/hadoop/hbase/io/hfile/bucket/BucketCache.html#disableCache()">disableCache()</a></span> - Method in class org.apache.hadoop.hbase.io.hfile.bucket.<a href="./org/apache/hadoop/hbase/io/hfile/bucket/BucketCache.html" title="class in org.apache.hadoop.hbase.io.hfile.bucket">BucketCache</a></dt>
<dd>
-<div class="block">Used to shut down the cache -or- turn it off in the case of something
- broken.</div>
+<div class="block">Used to shut down the cache -or- turn it off in the case of something broken.</div>
</dd>
<dt><span class="strong"><a href="./org/apache/hadoop/hbase/constraint/Constraints.html#disableConstraint(org.apache.hadoop.hbase.HTableDescriptor,%20java.lang.Class)">disableConstraint(HTableDescriptor, Class<? extends Constraint>)</a></span> - Static method in class org.apache.hadoop.hbase.constraint.<a href="./org/apache/hadoop/hbase/constraint/Constraints.html" title="class in org.apache.hadoop.hbase.constraint">Constraints</a></dt>
<dd>
@@ -20426,10 +20430,6 @@
<dd>
<div class="block">Encodes a byte array into Base64 notation.</div>
</dd>
-<dt><span class="strong"><a href="./org/apache/hadoop/hbase/io/hfile/HFileBlock.html#ENCODED_HEADER_SIZE">ENCODED_HEADER_SIZE</a></span> - Static variable in class org.apache.hadoop.hbase.io.hfile.<a href="./org/apache/hadoop/hbase/io/hfile/HFileBlock.html" title="class in org.apache.hadoop.hbase.io.hfile">HFileBlock</a></dt>
-<dd>
-<div class="block">The size of block header when blockType is <a href="./org/apache/hadoop/hbase/io/hfile/BlockType.html#ENCODED_DATA"><code>BlockType.ENCODED_DATA</code></a>.</div>
-</dd>
<dt><span class="strong"><a href="./org/apache/hadoop/hbase/HRegionInfo.html#ENCODED_REGION_NAME_REGEX">ENCODED_REGION_NAME_REGEX</a></span> - Static variable in class org.apache.hadoop.hbase.<a href="./org/apache/hadoop/hbase/HRegionInfo.html" title="class in org.apache.hadoop.hbase">HRegionInfo</a></dt>
<dd>
<div class="block">A non-capture group so that this can be embedded.</div>
@@ -22138,8 +22138,6 @@
</dd>
<dt><span class="strong"><a href="./org/apache/hadoop/hbase/io/hfile/HFileBlock.Writer.html#expectState(org.apache.hadoop.hbase.io.hfile.HFileBlock.Writer.State)">expectState(HFileBlock.Writer.State)</a></span> - Method in class org.apache.hadoop.hbase.io.hfile.<a href="./org/apache/hadoop/hbase/io/hfile/HFileBlock.Writer.html" title="class in org.apache.hadoop.hbase.io.hfile">HFileBlock.Writer</a></dt>
<dd> </dd>
-<dt><span class="strong"><a href="./org/apache/hadoop/hbase/io/hfile/HFileBlock.html#expectType(org.apache.hadoop.hbase.io.hfile.BlockType)">expectType(BlockType)</a></span> - Method in class org.apache.hadoop.hbase.io.hfile.<a href="./org/apache/hadoop/hbase/io/hfile/HFileBlock.html" title="class in org.apache.hadoop.hbase.io.hfile">HFileBlock</a></dt>
-<dd> </dd>
<dt><span class="strong"><a href="./org/apache/hadoop/hbase/security/visibility/VisibilityLabelFilter.html#expEvaluator">expEvaluator</a></span> - Variable in class org.apache.hadoop.hbase.security.visibility.<a href="./org/apache/hadoop/hbase/security/visibility/VisibilityLabelFilter.html" title="class in org.apache.hadoop.hbase.security.visibility">VisibilityLabelFilter</a></dt>
<dd> </dd>
<dt><span class="strong"><a href="./org/apache/hadoop/hbase/monitoring/TaskMonitor.html#EXPIRATION_TIME">EXPIRATION_TIME</a></span> - Static variable in class org.apache.hadoop.hbase.monitoring.<a href="./org/apache/hadoop/hbase/monitoring/TaskMonitor.html" title="class in org.apache.hadoop.hbase.monitoring">TaskMonitor</a></dt>
@@ -22279,7 +22277,9 @@
<dt><span class="strong"><a href="./org/apache/hadoop/hbase/io/hfile/CacheConfig.html#EXTERNAL_BLOCKCACHE_KEY">EXTERNAL_BLOCKCACHE_KEY</a></span> - Static variable in class org.apache.hadoop.hbase.io.hfile.<a href="./org/apache/hadoop/hbase/io/hfile/CacheConfig.html" title="class in org.apache.hadoop.hbase.io.hfile">CacheConfig</a></dt>
<dd> </dd>
<dt><span class="strong"><a href="./org/apache/hadoop/hbase/io/hfile/HFileBlock.html#EXTRA_SERIALIZATION_SPACE">EXTRA_SERIALIZATION_SPACE</a></span> - Static variable in class org.apache.hadoop.hbase.io.hfile.<a href="./org/apache/hadoop/hbase/io/hfile/HFileBlock.html" title="class in org.apache.hadoop.hbase.io.hfile">HFileBlock</a></dt>
-<dd> </dd>
+<dd>
+<div class="block">See #blockDeserializer method for more info.</div>
+</dd>
<dt><span class="strong"><a href="./org/apache/hadoop/hbase/security/visibility/VisibilityUtils.html#extractAndPartitionTags(org.apache.hadoop.hbase.Cell,%20java.util.List,%20java.util.List)">extractAndPartitionTags(Cell, List<Tag>, List<Tag>)</a></span> - Static method in class org.apache.hadoop.hbase.security.visibility.<a href="./org/apache/hadoop/hbase/security/visibility/VisibilityUtils.html" title="class in org.apache.hadoop.hbase.security.visibility">VisibilityUtils</a></dt>
<dd>
<div class="block">Extracts and partitions the visibility tags and nonVisibility Tags</div>
@@ -22886,7 +22886,9 @@
<dt><span class="strong"><a href="./org/apache/hadoop/hbase/quotas/QuotaCache.QuotaRefresherChore.html#fetchUserQuotaState()">fetchUserQuotaState()</a></span> - Method in class org.apache.hadoop.hbase.quotas.<a href="./org/apache/hadoop/hbase/quotas/QuotaCache.QuotaRefresherChore.html" title="class in org.apache.hadoop.hbase.quotas">QuotaCache.QuotaRefresherChore</a></dt>
<dd> </dd>
<dt><span class="strong"><a href="./org/apache/hadoop/hbase/io/hfile/bucket/BucketAllocator.html#FEWEST_ITEMS_IN_BUCKET">FEWEST_ITEMS_IN_BUCKET</a></span> - Static variable in class org.apache.hadoop.hbase.io.hfile.bucket.<a href="./org/apache/hadoop/hbase/io/hfile/bucket/BucketAllocator.html" title="class in org.apache.hadoop.hbase.io.hfile.bucket">BucketAllocator</a></dt>
-<dd> </dd>
+<dd>
+<div class="block">So, what is the minimum amount of items we'll tolerate in a single bucket?</div>
+</dd>
<dt><span class="strong"><a href="./org/apache/hadoop/hbase/rest/MetricsRESTSourceImpl.html#fGet">fGet</a></span> - Variable in class org.apache.hadoop.hbase.rest.<a href="./org/apache/hadoop/hbase/rest/MetricsRESTSourceImpl.html" title="class in org.apache.hadoop.hbase.rest">MetricsRESTSourceImpl</a></dt>
<dd> </dd>
<dt><span class="strong"><a href="./org/apache/hadoop/hbase/types/Struct.html#fields">fields</a></span> - Variable in class org.apache.hadoop.hbase.types.<a href="./org/apache/hadoop/hbase/types/Struct.html" title="class in org.apache.hadoop.hbase.types">Struct</a></dt>
@@ -23756,7 +23758,7 @@
</dd>
<dt><span class="strong"><a href="./org/apache/hadoop/hbase/io/hfile/HFileWriterImpl.html#finishBlock()">finishBlock()</a></span> - Method in class org.apache.hadoop.hbase.io.hfile.<a href="./org/apache/hadoop/hbase/io/hfile/HFileWriterImpl.html" title="class in org.apache.hadoop.hbase.io.hfile">HFileWriterImpl</a></dt>
<dd>
-<div class="block">Clean up the current data block</div>
+<div class="block">Clean up the data block that is currently being written.</div>
</dd>
<dt><span class="strong"><a href="./org/apache/hadoop/hbase/io/hfile/HFileBlock.Writer.html#finishBlockAndWriteHeaderAndData(java.io.DataOutputStream)">finishBlockAndWriteHeaderAndData(DataOutputStream)</a></span> - Method in class org.apache.hadoop.hbase.io.hfile.<a href="./org/apache/hadoop/hbase/io/hfile/HFileBlock.Writer.html" title="class in org.apache.hadoop.hbase.io.hfile">HFileBlock.Writer</a></dt>
<dd>
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<div class="block">Filesystem-level block reader.</div>
</dd>
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-<dd>
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-</dd>
<dt><span class="strong"><a href="./org/apache/hadoop/hbase/rest/MetricsRESTSourceImpl.html#fScan">fScan</a></span> - Variable in class org.apache.hadoop.hbase.rest.<a href="./org/apache/hadoop/hbase/rest/MetricsRESTSourceImpl.html" title="class in org.apache.hadoop.hbase.rest">MetricsRESTSourceImpl</a></dt>
<dd> </dd>
<dt><a href="./org/apache/hadoop/hbase/io/FSDataInputStreamWrapper.html" title="class in org.apache.hadoop.hbase.io"><span class="strong">FSDataInputStreamWrapper</span></a> - Class in <a href="./org/apache/hadoop/hbase/io/package-summary.html">org.apache.hadoop.hbase.io</a></dt>
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<dt><a href="./org/apache/hadoop/hbase/io/hfile/HFileBlock.html" title="class in org.apache.hadoop.hbase.io.hfile"><span class="strong">HFileBlock</span></a> - Class in <a href="./org/apache/hadoop/hbase/io/hfile/package-summary.html">org.apache.hadoop.hbase.io.hfile</a></dt>
<dd>
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+<div class="block">Reads <a href="./org/apache/hadoop/hbase/io/hfile/HFile.html" title="class in org.apache.hadoop.hbase.io.hfile"><code>HFile</code></a> version 1 and version 2 blocks but writes version 2 blocks only.</div>
</dd>
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<dd>
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<dt><span class="strong"><a href="./org/apache/hadoop/hbase/client/Result.html#INITIAL_CELLSCANNER_INDEX">INITIAL_CELLSCANNER_INDEX</a></span> - Static variable in class org.apache.hadoop.hbase.client.<a href="./org/apache/hadoop/hbase/client/Result.html" title="class in org.apache.hadoop.hbase.client">Result</a></dt>
<dd> </dd>
<dt><span class="strong"><a href="./org/apache/hadoop/hbase/io/encoding/BufferedDataBlockEncoder.html#INITIAL_KEY_BUFFER_SIZE">INITIAL_KEY_BUFFER_SIZE</a></span> - Static variable in class org.apache.hadoop.hbase.io.encoding.<a href="./org/apache/hadoop/hbase/io/encoding/BufferedDataBlockEncoder.html" title="class in org.apache.hadoop.hbase.io.encoding">BufferedDataBlockEncoder</a></dt>
-<dd> </dd>
+<dd>
+<div class="block">TODO: This datablockencoder is dealing in internals of hfileblocks.</div>
+</dd>
<dt><span class="strong"><a href="./org/apache/hadoop/hbase/regionserver/TimeRangeTracker.html#INITIAL_MINIMUM_TIMESTAMP">INITIAL_MINIMUM_TIMESTAMP</a></span> - Static variable in class org.apache.hadoop.hbase.regionserver.<a href="./org/apache/hadoop/hbase/regionserver/TimeRangeTracker.html" title="class in org.apache.hadoop.hbase.regionserver">TimeRangeTracker</a></dt>
<dd> </dd>
<dt><span class="strong"><a href="./org/apache/hadoop/hbase/codec/prefixtree/encode/PrefixTreeEncoder.html#INITIAL_PER_CELL_ARRAY_SIZES">INITIAL_PER_CELL_ARRAY_SIZES</a></span> - Static variable in class org.apache.hadoop.hbase.codec.prefixtree.encode.<a href="./org/apache/hadoop/hbase/codec/prefixtree/encode/PrefixTreeEncoder.html" title="class in org.apache.hadoop.hbase.codec.prefixtree.encode">PrefixTreeEncoder</a></dt>
@@ -51147,6 +51147,8 @@
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<dd> </dd>
+<dt><span class="strong"><a href="./org/apache/hadoop/hbase/io/hfile/HFileBlock.html#LOG">LOG</a></span> - Static variable in class org.apache.hadoop.hbase.io.hfile.<a href="./org/apache/hadoop/hbase/io/hfile/HFileBlock.html" title="class in org.apache.hadoop.hbase.io.hfile">HFileBlock</a></dt>
+<dd> </dd>
<dt><span class="strong"><a href="./org/apache/hadoop/hbase/io/hfile/HFileBlockIndex.html#LOG">LOG</a></span> - Static variable in class org.apache.hadoop.hbase.io.hfile.<a href="./org/apache/hadoop/hbase/io/hfile/HFileBlockIndex.html" title="class in org.apache.hadoop.hbase.io.hfile">HFileBlockIndex</a></dt>
<dd> </dd>
<dt><span class="strong"><a href="./org/apache/hadoop/hbase/io/hfile/HFilePrettyPrinter.html#LOG">LOG</a></span> - Static variable in class org.apache.hadoop.hbase.io.hfile.<a href="./org/apache/hadoop/hbase/io/hfile/HFilePrettyPrinter.html" title="class in org.apache.hadoop.hbase.io.hfile">HFilePrettyPrinter</a></dt>
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<dd>
-<div class="block">Read from an input stream.</div>
+<div class="block">Read from an input stream at least <code>necessaryLen</code> and if possible,
+ <code>extraLen</code> also if available.</div>
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<dt><span class="strong"><a href="./org/apache/hadoop/hbase/codec/prefixtree/decode/column/ColumnNodeReader.html#positionAt(int)">positionAt(int)</a></span> - Method in class org.apache.hadoop.hbase.codec.prefixtree.decode.column.<a href="./org/apache/hadoop/hbase/codec/prefixtree/decode/column/ColumnNodeReader.html" title="class in org.apache.hadoop.hbase.codec.prefixtree.decode.column">ColumnNodeReader</a></dt>
<dd>
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<dd>
-<div class="block">Read from an input stream.</div>
+<div class="block">Read from an input stream at least <code>necessaryLen</code> and if possible,
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<dt><span class="strong"><a href="./org/apache/hadoop/hbase/regionserver/HRegion.RowLockContext.html#readWriteLock">readWriteLock</a></span> - Variable in class org.apache.hadoop.hbase.regionserver.<a href="./org/apache/hadoop/hbase/regionserver/HRegion.RowLockContext.html" title="class in org.apache.hadoop.hbase.regionserver">HRegion.RowLockContext</a></dt>
<dd> </dd>
@@ -76295,7 +76299,9 @@ service.</div>
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</dd>
<dt><span class="strong"><a href="./org/apache/hadoop/hbase/io/hfile/HFileBlock.html#serializeExtraInfo(java.nio.ByteBuffer)">serializeExtraInfo(ByteBuffer)</a></span> - Method in class org.apache.hadoop.hbase.io.hfile.<a href="./org/apache/hadoop/hbase/io/hfile/HFileBlock.html" title="class in org.apache.hadoop.hbase.io.hfile">HFileBlock</a></dt>
-<dd> </dd>
+<dd>
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+</dd>
<dt><span class="strong"><a href="./org/apache/hadoop/hbase/wal/WALKey.html#serializeReplicationScope(boolean)">serializeReplicationScope(boolean)</a></span> - Method in class org.apache.hadoop.hbase.wal.<a href="./org/apache/hadoop/hbase/wal/WALKey.html" title="class in org.apache.hadoop.hbase.wal">WALKey</a></dt>
<dd> </dd>
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<dt><span class="strong"><a href="./org/apache/hadoop/hbase/io/hfile/HFileBlock.FSReaderImpl.html#toString()">toString()</a></span> - Method in class org.apache.hadoop.hbase.io.hfile.<a href="./org/apache/hadoop/hbase/io/hfile/HFileBlock.FSReaderImpl.html" title="class in org.apache.hadoop.hbase.io.hfile">HFileBlock.FSReaderImpl</a></dt>
<dd> </dd>
+<dt><span class="strong"><a href="./org/apache/hadoop/hbase/io/hfile/HFileBlock.PrefetchedHeader.html#toString()">toString()</a></span> - Method in class org.apache.hadoop.hbase.io.hfile.<a href="./org/apache/hadoop/hbase/io/hfile/HFileBlock.PrefetchedHeader.html" title="class in org.apache.hadoop.hbase.io.hfile">HFileBlock.PrefetchedHeader</a></dt>
+<dd> </dd>
<dt><span class="strong"><a href="./org/apache/hadoop/hbase/io/hfile/HFileBlock.html#toString()">toString()</a></span> - Method in class org.apache.hadoop.hbase.io.hfile.<a href="./org/apache/hadoop/hbase/io/hfile/HFileBlock.html" title="class in org.apache.hadoop.hbase.io.hfile">HFileBlock</a></dt>
<dd> </dd>
<dt><span class="strong"><a href="./org/apache/hadoop/hbase/io/hfile/HFileBlockIndex.ByteArrayKeyBlockIndexReader.html#toString()">toString()</a></span> - Method in class org.apache.hadoop.hbase.io.hfile.<a href="./org/apache/hadoop/hbase/io/hfile/HFileBlockIndex.ByteArrayKeyBlockIndexReader.html" title="class in org.apache.hadoop.hbase.io.hfile">HFileBlockIndex.ByteArrayKeyBlockIndexReader</a></dt>
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<dt><span class="strong"><a href="./org/apache/hadoop/hbase/io/hfile/HFileBlock.html#totalChecksumBytes()">totalChecksumBytes()</a></span> - Method in class org.apache.hadoop.hbase.io.hfile.<a href="./org/apache/hadoop/hbase/io/hfile/HFileBlock.html" title="class in org.apache.hadoop.hbase.io.hfile">HFileBlock</a></dt>
<dd>
-<div class="block">Calcuate the number of bytes required to store all the checksums
+<div class="block">Calculate the number of bytes required to store all the checksums
for this block.</div>
</dd>
<dt><span class="strong"><a href="./org/apache/hadoop/hbase/regionserver/compactions/CompactionProgress.html#totalCompactedSize">totalCompactedSize</a></span> - Variable in class org.apache.hadoop.hbase.regionserver.compactions.<a href="./org/apache/hadoop/hbase/regionserver/compactions/CompactionProgress.html" title="class in org.apache.hadoop.hbase.regionserver.compactions">CompactionProgress</a></dt>
@@ -89880,6 +89888,10 @@ service.</div>
<dd> </dd>
<dt><span class="strong"><a href="./org/apache/hadoop/hbase/client/BufferedMutatorParams.html#UNSET">UNSET</a></span> - Static variable in class org.apache.hadoop.hbase.client.<a href="./org/apache/hadoop/hbase/client/BufferedMutatorParams.html" title="class in org.apache.hadoop.hbase.client">BufferedMutatorParams</a></dt>
<dd> </dd>
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+<dd> </dd>
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+<dd> </dd>
<dt><span class="strong"><a href="./org/apache/hadoop/hbase/util/AbstractByteRange.html#unset()">unset()</a></span> - Method in class org.apache.hadoop.hbase.util.<a href="./org/apache/hadoop/hbase/util/AbstractByteRange.html" title="class in org.apache.hadoop.hbase.util">AbstractByteRange</a></dt>
<dd> </dd>
<dt><span class="strong"><a href="./org/apache/hadoop/hbase/util/AbstractPositionedByteRange.html#unset()">unset()</a></span> - Method in class org.apache.hadoop.hbase.util.<a href="./org/apache/hadoop/hbase/util/AbstractPositionedByteRange.html" title="class in org.apache.hadoop.hbase.util">AbstractPositionedByteRange</a></dt>
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<div class="block">Returns an array containing the constants of this enum type, in
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<div class="block">Config for balancing the cluster by table</div>
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<div class="block">A configuration key for regionserver info port</div>
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<div class="block">A flag that enables automatic selection of regionserver info port</div>
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<div class="block">Parameter name for what region server implementation to use.</div>
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+
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+ <li>Uncompressed block size, excluding header, and excluding checksum bytes (4 bytes)
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<li>For minorVersions >=1, the ordinal describing checksum type (1 byte)
<li>For minorVersions >=1, the number of data bytes/checksum chunk (4 bytes)
- <li>For minorVersions >=1, the size of data on disk, including header,
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- <li>Raw/Compressed/Encrypted/Encoded data. The compression algorithm is the
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+ <p>Be aware that when we read from HDFS, we overread pulling in the next blocks' header too.
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<div class="block">Something that can be written into a block.</div>
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+<td class="colFirst"><code>(package private) <a href="../../../../../../org/apache/hadoop/hbase/nio/ByteBuff.html" title="class in org.apache.hadoop.hbase.nio">ByteBuff</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/HFileBlock.html#getBufferReadOnly()">getBufferReadOnly</a></strong>()</code>
<div class="block">Returns the buffer this block stores internally.</div>
</td>
</tr>
-<tr class="altColor">
+<tr class="rowColor">
<td class="colFirst"><code><a href="../../../../../../org/apache/hadoop/hbase/nio/ByteBuff.html" title="class in org.apache.hadoop.hbase.nio">ByteBuff</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/HFileBlock.html#getBufferReadOnlyWithHeader()">getBufferReadOnlyWithHeader</a></strong>()</code>
<div class="block">Returns the buffer of this block, including header data.</div>
</td>
</tr>
-<tr class="rowColor">
+<tr class="altColor">
<td class="colFirst"><code>(package private) <a href="../../../../../../org/apache/hadoop/hbase/nio/ByteBuff.html" title="class in org.apache.hadoop.hbase.nio">ByteBuff</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/HFileBlock.html#getBufferWithHeader()">getBufferWithHeader</a></strong>()</code>
<div class="block">Returns a byte buffer of this block, including header data and checksum, positioned at
the beginning of header.</div>
</td>
</tr>
-<tr class="altColor">
+<tr class="rowColor">
<td class="colFirst"><code><a href="../../../../../../org/apache/hadoop/hbase/nio/ByteBuff.html" title="class in org.apache.hadoop.hbase.nio">ByteBuff</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/HFileBlock.html#getBufferWithoutHeader()">getBufferWithoutHeader</a></strong>()</code>
<div class="block">Returns a buffer that does not include the header or checksum.</div>
</td>
</tr>
-<tr class="rowColor">
+<tr class="altColor">
<td class="colFirst"><code>(package private) int</code></td>
<td class="colLast"><code><strong><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/HFileBlock.html#getBytesPerChecksum()">getBytesPerChecksum</a></strong>()</code> </td>
</tr>
-<tr class="altColor">
-<td class="colFirst"><code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/DataInputStream.html?is-external=true" title="class or interface in java.io">DataInputStream</a></code></td>
+<tr class="rowColor">
+<td class="colFirst"><code>(package private) <a href="http://docs.oracle.com/javase/7/docs/api/java/io/DataInputStream.html?is-external=true" title="class or interface in java.io">DataInputStream</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/HFileBlock.html#getByteStream()">getByteStream</a></strong>()</code> </td>
</tr>
-<tr class="rowColor">
+<tr class="altColor">
<td class="colFirst"><code>(package private) byte</code></td>
<td class="colLast"><code><strong><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/HFileBlock.html#getChecksumType()">getChecksumType</a></strong>()</code> </td>
</tr>
-<tr class="altColor">
+<tr class="rowColor">
<td class="colFirst"><code><a href="../../../../../../org/apache/hadoop/hbase/io/encoding/DataBlockEncoding.html" title="enum in org.apache.hadoop.hbase.io.encoding">DataBlockEncoding</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/HFileBlock.html#getDataBlockEncoding()">getDataBlockEncoding</a></strong>()</code> </td>
</tr>
-<tr class="rowColor">
+<tr class="altColor">
<td class="colFirst"><code>short</code></td>
<td class="colLast"><code><strong><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/HFileBlock.html#getDataBlockEncodingId()">getDataBlockEncodingId</a></strong>()</code> </td>
</tr>
-<tr class="altColor">
+<tr class="rowColor">
<td class="colFirst"><code><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/CacheableDeserializer.html" title="interface in org.apache.hadoop.hbase.io.hfile">CacheableDeserializer</a><<a href="../../../../../../org/apache/hadoop/hbase/io/hfile/Cacheable.html" title="interface in org.apache.hadoop.hbase.io.hfile">Cacheable</a>></code></td>
<td class="colLast"><code><strong><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/HFileBlock.html#getDeserializer()">getDeserializer</a></strong>()</code>
<div class="block">Returns CacheableDeserializer instance which reconstructs original object from ByteBuffer.</div>
</td>
</tr>
-<tr class="rowColor">
-<td class="colFirst"><code>byte[]</code></td>
+<tr class="altColor">
+<td class="colFirst"><code>(package private) byte[]</code></td>
<td class="colLast"><code><strong><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/HFileBlock.html#getDummyHeaderForVersion()">getDummyHeaderForVersion</a></strong>()</code>
<div class="block">Return the appropriate DUMMY_HEADER for the minor version</div>
</td>
</tr>
-<tr class="altColor">
+<tr class="rowColor">
<td class="colFirst"><code>private static byte[]</code></td>
<td class="colLast"><code><strong><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/HFileBlock.html#getDummyHeaderForVersion(boolean)">getDummyHeaderForVersion</a></strong>(boolean usesHBaseChecksum)</code>
<div class="block">Return the appropriate DUMMY_HEADER for the minor version</div>
</td>
</tr>
-<tr class="rowColor">
-<td class="colFirst"><code><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/HFileContext.html" title="class in org.apache.hadoop.hbase.io.hfile">HFileContext</a></code></td>
+<tr class="altColor">
+<td class="colFirst"><code>(package private) <a href="../../../../../../org/apache/hadoop/hbase/io/hfile/HFileContext.html" title="class in org.apache.hadoop.hbase.io.hfile">HFileContext</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/HFileBlock.html#getHFileContext()">getHFileContext</a></strong>()</code> </td>
</tr>
-<tr class="altColor">
+<tr class="rowColor">
<td class="colFirst"><code><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/Cacheable.MemoryType.html" title="enum in org.apache.hadoop.hbase.io.hfile">Cacheable.MemoryType</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/HFileBlock.html#getMemoryType()">getMemoryType</a></strong>()</code> </td>
</tr>
-<tr class="rowColor">
+<tr class="altColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><strong><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/HFileBlock.html#getNextBlockOnDiskSizeWithHeader()">getNextBlockOnDiskSizeWithHeader</a></strong>()</code> </td>
</tr>
-<tr class="altColor">
-<td class="colFirst"><code>long</code></td>
+<tr class="rowColor">
+<td class="colFirst"><code>(package private) long</code></td>
<td class="colLast"><code><strong><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/HFileBlock.html#getOffset()">getOffset</a></strong>()</code> </td>
</tr>
-<tr class="rowColor">
+<tr class="altColor">
<td class="colFirst"><code>(package private) int</code></td>
<td class="colLast"><code><strong><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/HFileBlock.html#getOnDiskDataSizeWithHeader()">getOnDiskDataSizeWithHeader</a></strong>()</code> </td>
</tr>
-<tr class="altColor">
+<tr class="rowColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><strong><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/HFileBlock.html#getOnDiskSizeWithHeader()">getOnDiskSizeWithHeader</a></strong>()</code> </td>
</tr>
-<tr class="rowColor">
-<td class="colFirst"><code>int</code></td>
+<tr class="altColor">
+<td class="colFirst"><code>(package private) int</code></td>
<td class="colLast"><code><strong><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/HFileBlock.html#getOnDiskSizeWithoutHeader()">getOnDiskSizeWithoutHeader</a></strong>()</code> </td>
</tr>
-<tr class="altColor">
-<td class="colFirst"><code>long</code></td>
+<tr class="rowColor">
+<td class="colFirst"><code>(package private) long</code></td>
<td class="colLast"><code><strong><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/HFileBlock.html#getPrevBlockOffset()">getPrevBlockOffset</a></strong>()</code> </td>
</tr>
-<tr class="rowColor">
+<tr class="altColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><strong><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/HFileBlock.html#getSerializedLength()">getSerializedLength</a></strong>()</code>
<div class="block">Returns the length of the ByteBuffer required to serialized the object.</div>
</td>
</tr>
-<tr class="altColor">
-<td class="colFirst"><code>int</code></td>
+<tr class="rowColor">
+<td class="colFirst"><code>(package private) int</code></td>
<td class="colLast"><code><strong><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/HFileBlock.html#getUncompressedSizeWithoutHeader()">getUncompressedSizeWithoutHeader</a></strong>()</code> </td>
</tr>
-<tr class="rowColor">
+<tr class="altColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><strong><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/HFileBlock.html#hashCode()">hashCode</a></strong>()</code> </td>
</tr>
-<tr class="altColor">
+<tr class="rowColor">
<td class="colFirst"><code>private boolean</code></td>
<td class="colLast"><code><strong><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/HFileBlock.html#hasNextBlockHeader()">hasNextBlockHeader</a></strong>()</code>
<div class="block">Return true when this buffer includes next block's header.</div>
</td>
</tr>
-<tr class="rowColor">
+<tr class="altColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><strong><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/HFileBlock.html#headerSize()">headerSize</a></strong>()</code>
<div class="block">Returns the size of this block header.</div>
</td>
</tr>
-<tr class="altColor">
+<tr class="rowColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><strong><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/HFileBlock.html#headerSize(boolean)">headerSize</a></strong>(boolean usesHBaseChecksum)</code>
<div class="block">Maps a minor version to the size of the header.</div>
</td>
</tr>
-<tr class="rowColor">
+<tr class="altColor">
<td class="colFirst"><code>long</code></td>
<td class="colLast"><code><strong><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/HFileBlock.html#heapSize()">heapSize</a></strong>()</code> </td>
</tr>
-<tr class="altColor">
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<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><strong><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/HFileBlock.html#isUnpacked()">isUnpacked</a></strong>()</code>
<div class="block">Return true when this block's buffer has been unpacked, false otherwise.</div>
</td>
</tr>
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<td class="colFirst"><code>private void</code></td>
<td class="colLast"><code><strong><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/HFileBlock.html#overwriteHeader()">overwriteHeader</a></strong>()</code>
<div class="block">Rewinds <code>buf</code> and writes first 4 header fields.</div>
</td>
</tr>
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<td class="colFirst"><code>(package private) static boolean</code></td>
<td class="colLast"><code><strong><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/HFileBlock.html#positionalReadWithExtra(org.apache.hadoop.fs.FSDataInputStream,%20long,%20byte[],%20int,%20int,%20int)">positionalReadWithExtra</a></strong>(org.apache.hadoop.fs.FSDataInputStream in,
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int bufOffset,
int necessaryLen,
int extraLen)</code>
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+<div class="block">Read from an input stream at least <code>necessaryLen</code> and if possible,
+ <code>extraLen</code> also if available.</div>
</td>
</tr>
-<tr class="rowColor">
-<td class="colFirst"><code>static boolean</code></td>
+<tr class="altColor">
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<td class="colLast"><code><strong><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/HFileBlock.html#readWithExtra(java.io.InputStream,%20byte[],%20int,%20int,%20int)">readWithExtra</a></strong>(<a href="http://docs.oracle.com/javase/7/docs/api/java/io/InputStream.html?is-external=true" title="class or interface in java.io">InputStream</a> in,
byte[] buf,
int bufOffset,
int necessaryLen,
int extraLen)</code>
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</td>
</tr>
-<tr class="altColor">
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<td class="colFirst"><code>(package private) void</code></td>
<td class="colLast"><code><strong><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/HFileBlock.html#sanityCheck()">sanityCheck</a></strong>()</code>
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</td>
</tr>
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<td class="colFirst"><code>private void</code></td>
<td class="colLast"><code><strong><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/HFileBlock.html#sanityCheckAssertion(org.apache.hadoop.hbase.io.hfile.BlockType,%20org.apache.hadoop.hbase.io.hfile.BlockType)">sanityCheckAssertion</a></strong>(<a href="../../../../../../org/apache/hadoop/hbase/io/hfile/BlockType.html" title="enum in org.apache.hadoop.hbase.io.hfile">BlockType</a> valueFromBuf,
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</tr>
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<td class="colLast"><code><strong><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/HFileBlock.html#sanityCheckAssertion(long,%20long,%20java.lang.String)">sanityCheckAssertion</a></strong>(long valueFromBuf,
long valueFromField,
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</tr>
-<tr class="rowColor">
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/HFileBlock.html#serialize(java.nio.ByteBuffer)">serialize</a></strong>(<a href="http://docs.oracle.com/javase/7/docs/api/java/nio/ByteBuffer.html?is-external=true" title="class or interface in java.nio">ByteBuffer</a> destination)</code>
<div class="block">Serializes its data into destination.</div>
</td>
</tr>
-<tr class="altColor">
+<tr class="rowColor">
<td class="colFirst"><code>void</code></td>
-<td class="colLast"><code><strong><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/HFileBlock.html#serializeExtraInfo(java.nio.ByteBuffer)">serializeExtraInfo</a></strong>(<a href="http://docs.oracle.com/javase/7/docs/api/java/nio/ByteBuffer.html?is-external=true" title="class or interface in java.nio">ByteBuffer</a> destination)</code> </td>
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+<div class="block">Write out the content of EXTRA_SERIALIZATION_SPACE.</div>
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</tr>
-<tr class="rowColor">
+<tr class="altColor">
<td class="colFirst"><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/HFileBlock.html#toString()">toString</a></strong>()</code> </td>
</tr>
-<tr class="altColor">
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<td class="colFirst"><code>(package private) static <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/HFileBlock.html#toStringHeader(org.apache.hadoop.hbase.nio.ByteBuff)">toStringHeader</a></strong>(<a href="../../../../../../org/apache/hadoop/hbase/nio/ByteBuff.html" title="class in org.apache.hadoop.hbase.nio">ByteBuff</a> buf)</code>
<div class="block">Convert the contents of the block header into a human readable string.</div>
</td>
</tr>
-<tr class="rowColor">
+<tr class="altColor">
<td class="colFirst"><code>(package private) int</code></td>
<td class="colLast"><code><strong><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/HFileBlock.html#totalChecksumBytes()">totalChecksumBytes</a></strong>()</code>
-<div class="block">Calcuate the number of bytes required to store all the checksums
+<div class="block">Calculate the number of bytes required to store all the checksums
for this block.</div>
</td>
</tr>
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+<tr class="rowColor">
<td class="colFirst"><code>(package private) <a href="../../../../../../org/apache/hadoop/hbase/io/hfile/HFileBlock.html" title="class in org.apache.hadoop.hbase.io.hfile">HFileBlock</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/HFileBlock.html#unpack(org.apache.hadoop.hbase.io.hfile.HFileContext,%20org.apache.hadoop.hbase.io.hfile.HFileBlock.FSReader)">unpack</a></strong>(<a href="../../../../../../org/apache/hadoop/hbase/io/hfile/HFileContext.html" title="class in org.apache.hadoop.hbase.io.hfile">HFileContext</a> fileContext,
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<div class="block">Retrieves the decompressed/decrypted view of this block.</div>
</td>
</tr>
-<tr class="rowColor">
-<td class="colFirst"><code>boolean</code></td>
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<td class="colFirst"><code>private void</code></td>
<td class="colLast"><code><strong><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/HFileBlock.html#validateOnDiskSizeWithoutHeader(int)">validateOnDiskSizeWithoutHeader</a></strong>(int expectedOnDiskSizeWithoutHeader)</code>
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[47/51] [partial] hbase-site git commit: Published site at
7dabcf23e8dd53f563981e1e03f82336fc0a44da.
Posted by mi...@apache.org.
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/3e48e84d/apidocs/src-html/org/apache/hadoop/hbase/mapreduce/TableInputFormatBase.html
----------------------------------------------------------------------
diff --git a/apidocs/src-html/org/apache/hadoop/hbase/mapreduce/TableInputFormatBase.html b/apidocs/src-html/org/apache/hadoop/hbase/mapreduce/TableInputFormatBase.html
index 68b00ca..91572ee 100644
--- a/apidocs/src-html/org/apache/hadoop/hbase/mapreduce/TableInputFormatBase.html
+++ b/apidocs/src-html/org/apache/hadoop/hbase/mapreduce/TableInputFormatBase.html
@@ -45,631 +45,630 @@
<span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.TableName;<a name="line.37"></a>
<span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.client.Admin;<a name="line.38"></a>
<span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.client.Connection;<a name="line.39"></a>
-<span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.client.HTable;<a name="line.40"></a>
-<span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.client.RegionLocator;<a name="line.41"></a>
-<span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.client.Result;<a name="line.42"></a>
-<span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.client.Scan;<a name="line.43"></a>
-<span class="sourceLineNo">044</span>import org.apache.hadoop.hbase.client.Table;<a name="line.44"></a>
-<span class="sourceLineNo">045</span>import org.apache.hadoop.hbase.io.ImmutableBytesWritable;<a name="line.45"></a>
-<span class="sourceLineNo">046</span>import org.apache.hadoop.hbase.util.Addressing;<a name="line.46"></a>
-<span class="sourceLineNo">047</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.47"></a>
-<span class="sourceLineNo">048</span>import org.apache.hadoop.hbase.util.Pair;<a name="line.48"></a>
-<span class="sourceLineNo">049</span>import org.apache.hadoop.hbase.util.RegionSizeCalculator;<a name="line.49"></a>
-<span class="sourceLineNo">050</span>import org.apache.hadoop.hbase.util.Strings;<a name="line.50"></a>
-<span class="sourceLineNo">051</span>import org.apache.hadoop.mapreduce.InputFormat;<a name="line.51"></a>
-<span class="sourceLineNo">052</span>import org.apache.hadoop.mapreduce.InputSplit;<a name="line.52"></a>
-<span class="sourceLineNo">053</span>import org.apache.hadoop.mapreduce.JobContext;<a name="line.53"></a>
-<span class="sourceLineNo">054</span>import org.apache.hadoop.mapreduce.RecordReader;<a name="line.54"></a>
-<span class="sourceLineNo">055</span>import org.apache.hadoop.mapreduce.TaskAttemptContext;<a name="line.55"></a>
-<span class="sourceLineNo">056</span>import org.apache.hadoop.net.DNS;<a name="line.56"></a>
-<span class="sourceLineNo">057</span>import org.apache.hadoop.util.StringUtils;<a name="line.57"></a>
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-<span class="sourceLineNo">059</span>/**<a name="line.59"></a>
-<span class="sourceLineNo">060</span> * A base for {@link TableInputFormat}s. Receives a {@link Connection}, a {@link TableName},<a name="line.60"></a>
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-<span class="sourceLineNo">062</span> * other TableRecordReader implementations.<a name="line.62"></a>
-<span class="sourceLineNo">063</span> *<a name="line.63"></a>
-<span class="sourceLineNo">064</span> * Subclasses MUST ensure initializeTable(Connection, TableName) is called for an instance to<a name="line.64"></a>
-<span class="sourceLineNo">065</span> * function properly. Each of the entry points to this class used by the MapReduce framework,<a name="line.65"></a>
-<span class="sourceLineNo">066</span> * {@link #createRecordReader(InputSplit, TaskAttemptContext)} and {@link #getSplits(JobContext)},<a name="line.66"></a>
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-<span class="sourceLineNo">068</span> * retrieving the necessary configuration information. If your subclass overrides either of these<a name="line.68"></a>
-<span class="sourceLineNo">069</span> * methods, either call the parent version or call initialize yourself.<a name="line.69"></a>
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-<span class="sourceLineNo">082</span> * TableName tableName = TableName.valueOf("exampleTable");<a name="line.82"></a>
-<span class="sourceLineNo">083</span> * // mandatory. once passed here, TableInputFormatBase will handle closing the connection.<a name="line.83"></a>
-<span class="sourceLineNo">084</span> * initializeTable(connection, tableName);<a name="line.84"></a>
-<span class="sourceLineNo">085</span> * byte[][] inputColumns = new byte [][] { Bytes.toBytes("columnA"),<a name="line.85"></a>
-<span class="sourceLineNo">086</span> * Bytes.toBytes("columnB") };<a name="line.86"></a>
-<span class="sourceLineNo">087</span> * // optional, by default we'll get everything for the table.<a name="line.87"></a>
-<span class="sourceLineNo">088</span> * Scan scan = new Scan();<a name="line.88"></a>
-<span class="sourceLineNo">089</span> * for (byte[] family : inputColumns) {<a name="line.89"></a>
-<span class="sourceLineNo">090</span> * scan.addFamily(family);<a name="line.90"></a>
-<span class="sourceLineNo">091</span> * }<a name="line.91"></a>
-<span class="sourceLineNo">092</span> * Filter exampleFilter = new RowFilter(CompareOp.EQUAL, new RegexStringComparator("aa.*"));<a name="line.92"></a>
-<span class="sourceLineNo">093</span> * scan.setFilter(exampleFilter);<a name="line.93"></a>
-<span class="sourceLineNo">094</span> * setScan(scan);<a name="line.94"></a>
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-<span class="sourceLineNo">096</span> * }<a name="line.96"></a>
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-<span class="sourceLineNo">099</span>@InterfaceAudience.Public<a name="line.99"></a>
-<span class="sourceLineNo">100</span>@InterfaceStability.Stable<a name="line.100"></a>
-<span class="sourceLineNo">101</span>public abstract class TableInputFormatBase<a name="line.101"></a>
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-<span class="sourceLineNo">103</span><a name="line.103"></a>
-<span class="sourceLineNo">104</span> /** Specify if we enable auto-balance for input in M/R jobs.*/<a name="line.104"></a>
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-<span class="sourceLineNo">107</span> * .input.autobalance property.*/<a name="line.107"></a>
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-<span class="sourceLineNo">109</span> ".maxskewratio";<a name="line.109"></a>
-<span class="sourceLineNo">110</span> /** Specify if the row key in table is text (ASCII between 32~126),<a name="line.110"></a>
-<span class="sourceLineNo">111</span> * default is true. False means the table is using binary row key*/<a name="line.111"></a>
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-<span class="sourceLineNo">113</span><a name="line.113"></a>
-<span class="sourceLineNo">114</span> private static final Log LOG = LogFactory.getLog(TableInputFormatBase.class);<a name="line.114"></a>
-<span class="sourceLineNo">115</span><a name="line.115"></a>
-<span class="sourceLineNo">116</span> private static final String NOT_INITIALIZED = "The input format instance has not been properly " +<a name="line.116"></a>
-<span class="sourceLineNo">117</span> "initialized. Ensure you call initializeTable either in your constructor or initialize " +<a name="line.117"></a>
-<span class="sourceLineNo">118</span> "method";<a name="line.118"></a>
-<span class="sourceLineNo">119</span> private static final String INITIALIZATION_ERROR = "Cannot create a record reader because of a" +<a name="line.119"></a>
-<span class="sourceLineNo">120</span> " previous error. Please look at the previous logs lines from" +<a name="line.120"></a>
-<span class="sourceLineNo">121</span> " the task's full log for more details.";<a name="line.121"></a>
-<span class="sourceLineNo">122</span><a name="line.122"></a>
-<span class="sourceLineNo">123</span> /** Holds the details for the internal scanner.<a name="line.123"></a>
-<span class="sourceLineNo">124</span> *<a name="line.124"></a>
-<span class="sourceLineNo">125</span> * @see Scan */<a name="line.125"></a>
-<span class="sourceLineNo">126</span> private Scan scan = null;<a name="line.126"></a>
-<span class="sourceLineNo">127</span> /** The {@link Admin}. */<a name="line.127"></a>
-<span class="sourceLineNo">128</span> private Admin admin;<a name="line.128"></a>
-<span class="sourceLineNo">129</span> /** The {@link Table} to scan. */<a name="line.129"></a>
-<span class="sourceLineNo">130</span> private Table table;<a name="line.130"></a>
-<span class="sourceLineNo">131</span> /** The {@link RegionLocator} of the table. */<a name="line.131"></a>
-<span class="sourceLineNo">132</span> private RegionLocator regionLocator;<a name="line.132"></a>
-<span class="sourceLineNo">133</span> /** The reader scanning the table, can be a custom one. */<a name="line.133"></a>
-<span class="sourceLineNo">134</span> private TableRecordReader tableRecordReader = null;<a name="line.134"></a>
-<span class="sourceLineNo">135</span> /** The underlying {@link Connection} of the table. */<a name="line.135"></a>
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-<span class="sourceLineNo">137</span><a name="line.137"></a>
-<span class="sourceLineNo">138</span> <a name="line.138"></a>
-<span class="sourceLineNo">139</span> /** The reverse DNS lookup cache mapping: IPAddress => HostName */<a name="line.139"></a>
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-<span class="sourceLineNo">143</span> /**<a name="line.143"></a>
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-<span class="sourceLineNo">178</span> sc.setStopRow(tSplit.getEndRow());<a name="line.178"></a>
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-<span class="sourceLineNo">482</span> //for example: "11ae" and "11chw", the midpoint is "11b"<a name="line.482"></a>
-<span class="sourceLineNo">483</span> //another example: "11ae" and "11bhw", the first different byte is 'a' and 'b',<a name="line.483"></a>
-<span class="sourceLineNo">484</span> // there is no midpoint between 'a' and 'b', so we need to check the next byte.<a name="line.484"></a>
-<span class="sourceLineNo">485</span> if (start[i] == end[i]) {<a name="line.485"></a>
-<span class="sourceLineNo">486</span> resultBytesList.add(start[i]);<a name="line.486"></a>
-<span class="sourceLineNo">487</span> //For special case like: startKey="aaa", endKey="aaaz", splitKey="aaaM"<a name="line.487"></a>
-<span class="sourceLineNo">488</span> if (i + 1 == start.length) {<a name="line.488"></a>
-<span class="sourceLineNo">489</span> resultBytesList.add((byte) ((lowerLimitByte + end[i + 1]) / 2));<a name="line.489"></a>
-<span class="sourceLineNo">490</span> break;<a name="line.490"></a>
-<span class="sourceLineNo">491</span> }<a name="line.491"></a>
-<span class="sourceLineNo">492</span> } else {<a name="line.492"></a>
-<span class="sourceLineNo">493</span> //if the two bytes differ by 1, like ['a','b'], We need to check the next byte to find<a name="line.493"></a>
-<span class="sourceLineNo">494</span> // the midpoint.<a name="line.494"></a>
-<span class="sourceLineNo">495</span> if ((int)end[i] - (int)start[i] == 1) {<a name="line.495"></a>
-<span class="sourceLineNo">496</span> //get next byte after the first difference<a name="line.496"></a>
-<span class="sourceLineNo">497</span> byte startNextByte = (i + 1 < start.length) ? start[i + 1] : lowerLimitByte;<a name="line.497"></a>
-<span class="sourceLineNo">498</span> byte endNextByte = (i + 1 < end.length) ? end[i + 1] : lowerLimitByte;<a name="line.498"></a>
-<span class="sourceLineNo">499</span> int byteRange = (upperLimitByte - startNextByte) + (endNextByte - lowerLimitByte) + 1;<a name="line.499"></a>
-<span class="sourceLineNo">500</span> int halfRange = byteRange / 2;<a name="line.500"></a>
-<span class="sourceLineNo">501</span> if ((int)startNextByte + halfRange > (int)upperLimitByte) {<a name="line.501"></a>
-<span class="sourceLineNo">502</span> resultBytesList.add(end[i]);<a name="line.502"></a>
-<span class="sourceLineNo">503</span> resultBytesList.add((byte) (startNextByte + halfRange - upperLimitByte +<a name="line.503"></a>
-<span class="sourceLineNo">504</span> lowerLimitByte));<a name="line.504"></a>
-<span class="sourceLineNo">505</span> } else {<a name="line.505"></a>
-<span class="sourceLineNo">506</span> resultBytesList.add(start[i]);<a name="line.506"></a>
-<span class="sourceLineNo">507</span> resultBytesList.add((byte) (startNextByte + halfRange));<a name="line.507"></a>
-<span class="sourceLineNo">508</span> }<a name="line.508"></a>
-<span class="sourceLineNo">509</span> } else {<a name="line.509"></a>
-<span class="sourceLineNo">510</span> //calculate the midpoint key by the fist different byte (normal case),<a name="line.510"></a>
-<span class="sourceLineNo">511</span> // like "11ae" and "11chw", the midpoint is "11b"<a name="line.511"></a>
-<span class="sourceLineNo">512</span> resultBytesList.add((byte) ((start[i] + end[i]) / 2));<a name="line.512"></a>
-<span class="sourceLineNo">513</span> }<a name="line.513"></a>
-<span class="sourceLineNo">514</span> break;<a name="line.514"></a>
-<span class="sourceLineNo">515</span> }<a name="line.515"></a>
-<span class="sourceLineNo">516</span> }<a name="line.516"></a>
-<span class="sourceLineNo">517</span> //transform the List of bytes to byte[]<a name="line.517"></a>
-<span class="sourceLineNo">518</span> byte[] result = new byte[resultBytesList.size()];<a name="line.518"></a>
-<span class="sourceLineNo">519</span> for (int k = 0; k < resultBytesList.size(); k++) {<a name="line.519"></a>
-<span class="sourceLineNo">520</span> result[k] = (byte) resultBytesList.get(k);<a name="line.520"></a>
-<span class="sourceLineNo">521</span> }<a name="line.521"></a>
-<span class="sourceLineNo">522</span> return result;<a name="line.522"></a>
-<span class="sourceLineNo">523</span> }<a name="line.523"></a>
-<span class="sourceLineNo">524</span><a name="line.524"></a>
-<span class="sourceLineNo">525</span> /**<a name="line.525"></a>
-<span class="sourceLineNo">526</span> * Test if the given region is to be included in the InputSplit while splitting<a name="line.526"></a>
-<span class="sourceLineNo">527</span> * the regions of a table.<a name="line.527"></a>
-<span class="sourceLineNo">528</span> * <p><a name="line.528"></a>
-<span class="sourceLineNo">529</span> * This optimization is effective when there is a specific reasoning to exclude an entire region from the M-R job,<a name="line.529"></a>
-<span class="sourceLineNo">530</span> * (and hence, not contributing to the InputSplit), given the start and end keys of the same. <br><a name="line.530"></a>
-<span class="sourceLineNo">531</span> * Useful when we need to remember the last-processed top record and revisit the [last, current) interval for M-R processing,<a name="line.531"></a>
-<span class="sourceLineNo">532</span> * continuously. In addition to reducing InputSplits, reduces the load on the region server as well, due to the ordering of the keys.<a name="line.532"></a>
+<span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.client.RegionLocator;<a name="line.40"></a>
+<span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.client.Result;<a name="line.41"></a>
+<span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.client.Scan;<a name="line.42"></a>
+<span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.client.Table;<a name="line.43"></a>
+<span class="sourceLineNo">044</span>import org.apache.hadoop.hbase.io.ImmutableBytesWritable;<a name="line.44"></a>
+<span class="sourceLineNo">045</span>import org.apache.hadoop.hbase.util.Addressing;<a name="line.45"></a>
+<span class="sourceLineNo">046</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.46"></a>
+<span class="sourceLineNo">047</span>import org.apache.hadoop.hbase.util.Pair;<a name="line.47"></a>
+<span class="sourceLineNo">048</span>import org.apache.hadoop.hbase.util.RegionSizeCalculator;<a name="line.48"></a>
+<span class="sourceLineNo">049</span>import org.apache.hadoop.hbase.util.Strings;<a name="line.49"></a>
+<span class="sourceLineNo">050</span>import org.apache.hadoop.mapreduce.InputFormat;<a name="line.50"></a>
+<span class="sourceLineNo">051</span>import org.apache.hadoop.mapreduce.InputSplit;<a name="line.51"></a>
+<span class="sourceLineNo">052</span>import org.apache.hadoop.mapreduce.JobContext;<a name="line.52"></a>
+<span class="sourceLineNo">053</span>import org.apache.hadoop.mapreduce.RecordReader;<a name="line.53"></a>
+<span class="sourceLineNo">054</span>import org.apache.hadoop.mapreduce.TaskAttemptContext;<a name="line.54"></a>
+<span class="sourceLineNo">055</span>import org.apache.hadoop.net.DNS;<a name="line.55"></a>
+<span class="sourceLineNo">056</span>import org.apache.hadoop.util.StringUtils;<a name="line.56"></a>
+<span class="sourceLineNo">057</span><a name="line.57"></a>
+<span class="sourceLineNo">058</span>/**<a name="line.58"></a>
+<span class="sourceLineNo">059</span> * A base for {@link TableInputFormat}s. Receives a {@link Connection}, a {@link TableName},<a name="line.59"></a>
+<span class="sourceLineNo">060</span> * an {@link Scan} instance that defines the input columns etc. Subclasses may use<a name="line.60"></a>
+<span class="sourceLineNo">061</span> * other TableRecordReader implementations.<a name="line.61"></a>
+<span class="sourceLineNo">062</span> *<a name="line.62"></a>
+<span class="sourceLineNo">063</span> * Subclasses MUST ensure initializeTable(Connection, TableName) is called for an instance to<a name="line.63"></a>
+<span class="sourceLineNo">064</span> * function properly. Each of the entry points to this class used by the MapReduce framework,<a name="line.64"></a>
+<span class="sourceLineNo">065</span> * {@link #createRecordReader(InputSplit, TaskAttemptContext)} and {@link #getSplits(JobContext)},<a name="line.65"></a>
+<span class="sourceLineNo">066</span> * will call {@link #initialize(JobContext)} as a convenient centralized location to handle<a name="line.66"></a>
+<span class="sourceLineNo">067</span> * retrieving the necessary configuration information. If your subclass overrides either of these<a name="line.67"></a>
+<span class="sourceLineNo">068</span> * methods, either call the parent version or call initialize yourself.<a name="line.68"></a>
+<span class="sourceLineNo">069</span> *<a name="line.69"></a>
+<span class="sourceLineNo">070</span> * <p><a name="line.70"></a>
+<span class="sourceLineNo">071</span> * An example of a subclass:<a name="line.71"></a>
+<span class="sourceLineNo">072</span> * <pre><a name="line.72"></a>
+<span class="sourceLineNo">073</span> * class ExampleTIF extends TableInputFormatBase {<a name="line.73"></a>
+<span class="sourceLineNo">074</span> *<a name="line.74"></a>
+<span class="sourceLineNo">075</span> * {@literal @}Override<a name="line.75"></a>
+<span class="sourceLineNo">076</span> * protected void initialize(JobContext context) throws IOException {<a name="line.76"></a>
+<span class="sourceLineNo">077</span> * // We are responsible for the lifecycle of this connection until we hand it over in<a name="line.77"></a>
+<span class="sourceLineNo">078</span> * // initializeTable.<a name="line.78"></a>
+<span class="sourceLineNo">079</span> * Connection connection = ConnectionFactory.createConnection(HBaseConfiguration.create(<a name="line.79"></a>
+<span class="sourceLineNo">080</span> * job.getConfiguration()));<a name="line.80"></a>
+<span class="sourceLineNo">081</span> * TableName tableName = TableName.valueOf("exampleTable");<a name="line.81"></a>
+<span class="sourceLineNo">082</span> * // mandatory. once passed here, TableInputFormatBase will handle closing the connection.<a name="line.82"></a>
+<span class="sourceLineNo">083</span> * initializeTable(connection, tableName);<a name="line.83"></a>
+<span class="sourceLineNo">084</span> * byte[][] inputColumns = new byte [][] { Bytes.toBytes("columnA"),<a name="line.84"></a>
+<span class="sourceLineNo">085</span> * Bytes.toBytes("columnB") };<a name="line.85"></a>
+<span class="sourceLineNo">086</span> * // optional, by default we'll get everything for the table.<a name="line.86"></a>
+<span class="sourceLineNo">087</span> * Scan scan = new Scan();<a name="line.87"></a>
+<span class="sourceLineNo">088</span> * for (byte[] family : inputColumns) {<a name="line.88"></a>
+<span class="sourceLineNo">089</span> * scan.addFamily(family);<a name="line.89"></a>
+<span class="sourceLineNo">090</span> * }<a name="line.90"></a>
+<span class="sourceLineNo">091</span> * Filter exampleFilter = new RowFilter(CompareOp.EQUAL, new RegexStringComparator("aa.*"));<a name="line.91"></a>
+<span class="sourceLineNo">092</span> * scan.setFilter(exampleFilter);<a name="line.92"></a>
+<span class="sourceLineNo">093</span> * setScan(scan);<a name="line.93"></a>
+<span class="sourceLineNo">094</span> * }<a name="line.94"></a>
+<span class="sourceLineNo">095</span> * }<a name="line.95"></a>
+<span class="sourceLineNo">096</span> * </pre><a name="line.96"></a>
+<span class="sourceLineNo">097</span> */<a name="line.97"></a>
+<span class="sourceLineNo">098</span>@InterfaceAudience.Public<a name="line.98"></a>
+<span class="sourceLineNo">099</span>@InterfaceStability.Stable<a name="line.99"></a>
+<span class="sourceLineNo">100</span>public abstract class TableInputFormatBase<a name="line.100"></a>
+<span class="sourceLineNo">101</span>extends InputFormat<ImmutableBytesWritable, Result> {<a name="line.101"></a>
+<span class="sourceLineNo">102</span><a name="line.102"></a>
+<span class="sourceLineNo">103</span> /** Specify if we enable auto-balance for input in M/R jobs.*/<a name="line.103"></a>
+<span class="sourceLineNo">104</span> public static final String MAPREDUCE_INPUT_AUTOBALANCE = "hbase.mapreduce.input.autobalance";<a name="line.104"></a>
+<span class="sourceLineNo">105</span> /** Specify if ratio for data skew in M/R jobs, it goes well with the enabling hbase.mapreduce<a name="line.105"></a>
+<span class="sourceLineNo">106</span> * .input.autobalance property.*/<a name="line.106"></a>
+<span class="sourceLineNo">107</span> public static final String INPUT_AUTOBALANCE_MAXSKEWRATIO = "hbase.mapreduce.input.autobalance" +<a name="line.107"></a>
+<span class="sourceLineNo">108</span> ".maxskewratio";<a name="line.108"></a>
+<span class="sourceLineNo">109</span> /** Specify if the row key in table is text (ASCII between 32~126),<a name="line.109"></a>
+<span class="sourceLineNo">110</span> * default is true. False means the table is using binary row key*/<a name="line.110"></a>
+<span class="sourceLineNo">111</span> public static final String TABLE_ROW_TEXTKEY = "hbase.table.row.textkey";<a name="line.111"></a>
+<span class="sourceLineNo">112</span><a name="line.112"></a>
+<span class="sourceLineNo">113</span> private static final Log LOG = LogFactory.getLog(TableInputFormatBase.class);<a name="line.113"></a>
+<span class="sourceLineNo">114</span><a name="line.114"></a>
+<span class="sourceLineNo">115</span> private static final String NOT_INITIALIZED = "The input format instance has not been properly " +<a name="line.115"></a>
+<span class="sourceLineNo">116</span> "initialized. Ensure you call initializeTable either in your constructor or initialize " +<a name="line.116"></a>
+<span class="sourceLineNo">117</span> "method";<a name="line.117"></a>
+<span class="sourceLineNo">118</span> private static final String INITIALIZATION_ERROR = "Cannot create a record reader because of a" +<a name="line.118"></a>
+<span class="sourceLineNo">119</span> " previous error. Please look at the previous logs lines from" +<a name="line.119"></a>
+<span class="sourceLineNo">120</span> " the task's full log for more details.";<a name="line.120"></a>
+<span class="sourceLineNo">121</span><a name="line.121"></a>
+<span class="sourceLineNo">122</span> /** Holds the details for the internal scanner.<a name="line.122"></a>
+<span class="sourceLineNo">123</span> *<a name="line.123"></a>
+<span class="sourceLineNo">124</span> * @see Scan */<a name="line.124"></a>
+<span class="sourceLineNo">125</span> private Scan scan = null;<a name="line.125"></a>
+<span class="sourceLineNo">126</span> /** The {@link Admin}. */<a name="line.126"></a>
+<span class="sourceLineNo">127</span> private Admin admin;<a name="line.127"></a>
+<span class="sourceLineNo">128</span> /** The {@link Table} to scan. */<a name="line.128"></a>
+<span class="sourceLineNo">129</span> private Table table;<a name="line.129"></a>
+<span class="sourceLineNo">130</span> /** The {@link RegionLocator} of the table. */<a name="line.130"></a>
+<span class="sourceLineNo">131</span> private RegionLocator regionLocator;<a name="line.131"></a>
+<span class="sourceLineNo">132</span> /** The reader scanning the table, can be a custom one. */<a name="line.132"></a>
+<span class="sourceLineNo">133</span> private TableRecordReader tableRecordReader = null;<a name="line.133"></a>
+<span class="sourceLineNo">134</span> /** The underlying {@link Connection} of the table. */<a name="line.134"></a>
+<span class="sourceLineNo">135</span> private Connection connection;<a name="line.135"></a>
+<span class="sourceLineNo">136</span><a name="line.136"></a>
+<span class="sourceLineNo">137</span> <a name="line.137"></a>
+<span class="sourceLineNo">138</span> /** The reverse DNS lookup cache mapping: IPAddress => HostName */<a name="line.138"></a>
+<span class="sourceLineNo">139</span> private HashMap<InetAddress, String> reverseDNSCacheMap =<a name="line.139"></a>
+<span class="sourceLineNo">140</span> new HashMap<InetAddress, String>();<a name="line.140"></a>
+<span class="sourceLineNo">141</span><a name="line.141"></a>
+<span class="sourceLineNo">142</span> /**<a name="line.142"></a>
+<span class="sourceLineNo">143</span> * Builds a {@link TableRecordReader}. If no {@link TableRecordReader} was provided, uses<a name="line.143"></a>
+<span class="sourceLineNo">144</span> * the default.<a name="line.144"></a>
+<span class="sourceLineNo">145</span> *<a name="line.145"></a>
+<span class="sourceLineNo">146</span> * @param split The split to work with.<a name="line.146"></a>
+<span class="sourceLineNo">147</span> * @param context The current context.<a name="line.147"></a>
+<span class="sourceLineNo">148</span> * @return The newly created record reader.<a name="line.148"></a>
+<span class="sourceLineNo">149</span> * @throws IOException When creating the reader fails.<a name="line.149"></a>
+<span class="sourceLineNo">150</span> * @see org.apache.hadoop.mapreduce.InputFormat#createRecordReader(<a name="line.150"></a>
+<span class="sourceLineNo">151</span> * org.apache.hadoop.mapreduce.InputSplit,<a name="line.151"></a>
+<span class="sourceLineNo">152</span> * org.apache.hadoop.mapreduce.TaskAttemptContext)<a name="line.152"></a>
+<span class="sourceLineNo">153</span> */<a name="line.153"></a>
+<span class="sourceLineNo">154</span> @Override<a name="line.154"></a>
+<span class="sourceLineNo">155</span> public RecordReader<ImmutableBytesWritable, Result> createRecordReader(<a name="line.155"></a>
+<span class="sourceLineNo">156</span> InputSplit split, TaskAttemptContext context)<a name="line.156"></a>
+<span class="sourceLineNo">157</span> throws IOException {<a name="line.157"></a>
+<span class="sourceLineNo">158</span> // Just in case a subclass is relying on JobConfigurable magic.<a name="line.158"></a>
+<span class="sourceLineNo">159</span> if (table == null) {<a name="line.159"></a>
+<span class="sourceLineNo">160</span> initialize(context);<a name="line.160"></a>
+<span class="sourceLineNo">161</span> }<a name="line.161"></a>
+<span class="sourceLineNo">162</span> // null check in case our child overrides getTable to not throw.<a name="line.162"></a>
+<span class="sourceLineNo">163</span> try {<a name="line.163"></a>
+<span class="sourceLineNo">164</span> if (getTable() == null) {<a name="line.164"></a>
+<span class="sourceLineNo">165</span> // initialize() must not have been implemented in the subclass.<a name="line.165"></a>
+<span class="sourceLineNo">166</span> throw new IOException(INITIALIZATION_ERROR);<a name="line.166"></a>
+<span class="sourceLineNo">167</span> }<a name="line.167"></a>
+<span class="sourceLineNo">168</span> } catch (IllegalStateException exception) {<a name="line.168"></a>
+<span class="sourceLineNo">169</span> throw new IOException(INITIALIZATION_ERROR, exception);<a name="line.169"></a>
+<span class="sourceLineNo">170</span> }<a name="line.170"></a>
+<span class="sourceLineNo">171</span> TableSplit tSplit = (TableSplit) split;<a name="line.171"></a>
+<span class="sourceLineNo">172</span> LOG.info("Input split length: " + StringUtils.humanReadableInt(tSplit.getLength()) + " bytes.");<a name="line.172"></a>
+<span class="sourceLineNo">173</span> final TableRecordReader trr =<a name="line.173"></a>
+<span class="sourceLineNo">174</span> this.tableRecordReader != null ? this.tableRecordReader : new TableRecordReader();<a name="line.174"></a>
+<span class="sourceLineNo">175</span> Scan sc = new Scan(this.scan);<a name="line.175"></a>
+<span class="sourceLineNo">176</span> sc.setStartRow(tSplit.getStartRow());<a name="line.176"></a>
+<span class="sourceLineNo">177</span> sc.setStopRow(tSplit.getEndRow());<a name="line.177"></a>
+<span class="sourceLineNo">178</span> trr.setScan(sc);<a name="line.178"></a>
+<span class="sourceLineNo">179</span> trr.setTable(getTable());<a name="line.179"></a>
+<span class="sourceLineNo">180</span> return new RecordReader<ImmutableBytesWritable, Result>() {<a name="line.180"></a>
+<span class="sourceLineNo">181</span><a name="line.181"></a>
+<span class="sourceLineNo">182</span> @Override<a name="line.182"></a>
+<span class="sourceLineNo">183</span> public void close() throws IOException {<a name="line.183"></a>
+<span class="sourceLineNo">184</span> trr.close();<a name="line.184"></a>
+<span class="sourceLineNo">185</span> closeTable();<a name="line.185"></a>
+<span class="sourceLineNo">186</span> }<a name="line.186"></a>
+<span class="sourceLineNo">187</span><a name="line.187"></a>
+<span class="sourceLineNo">188</span> @Override<a name="line.188"></a>
+<span class="sourceLineNo">189</span> public ImmutableBytesWritable getCurrentKey() throws IOException, InterruptedException {<a name="line.189"></a>
+<span class="sourceLineNo">190</span> return trr.getCurrentKey();<a name="line.190"></a>
+<span class="sourceLineNo">191</span> }<a name="line.191"></a>
+<span class="sourceLineNo">192</span><a name="line.192"></a>
+<span class="sourceLineNo">193</span> @Override<a name="line.193"></a>
+<span class="sourceLineNo">194</span> public Result getCurrentValue() throws IOException, InterruptedException {<a name="line.194"></a>
+<span class="sourceLineNo">195</span> return trr.getCurrentValue();<a name="line.195"></a>
+<span class="sourceLineNo">196</span> }<a name="line.196"></a>
+<span class="sourceLineNo">197</span><a name="line.197"></a>
+<span class="sourceLineNo">198</span> @Override<a name="line.198"></a>
+<span class="sourceLineNo">199</span> public float getProgress() throws IOException, InterruptedException {<a name="line.199"></a>
+<span class="sourceLineNo">200</span> return trr.getProgress();<a name="line.200"></a>
+<span class="sourceLineNo">201</span> }<a name="line.201"></a>
+<span class="sourceLineNo">202</span><a name="line.202"></a>
+<span class="sourceLineNo">203</span> @Override<a name="line.203"></a>
+<span class="sourceLineNo">204</span> public void initialize(InputSplit inputsplit, TaskAttemptContext context) throws IOException,<a name="line.204"></a>
+<span class="sourceLineNo">205</span> InterruptedException {<a name="line.205"></a>
+<span class="sourceLineNo">206</span> trr.initialize(inputsplit, context);<a name="line.206"></a>
+<span class="sourceLineNo">207</span> }<a name="line.207"></a>
+<span class="sourceLineNo">208</span><a name="line.208"></a>
+<span class="sourceLineNo">209</span> @Override<a name="line.209"></a>
+<span class="sourceLineNo">210</span> public boolean nextKeyValue() throws IOException, InterruptedException {<a name="line.210"></a>
+<span class="sourceLineNo">211</span> return trr.nextKeyValue();<a name="line.211"></a>
+<span class="sourceLineNo">212</span> }<a name="line.212"></a>
+<span class="sourceLineNo">213</span> };<a name="line.213"></a>
+<span class="sourceLineNo">214</span> }<a name="line.214"></a>
+<span class="sourceLineNo">215</span><a name="line.215"></a>
+<span class="sourceLineNo">216</span> protected Pair<byte[][],byte[][]> getStartEndKeys() throws IOException {<a name="line.216"></a>
+<span class="sourceLineNo">217</span> return getRegionLocator().getStartEndKeys();<a name="line.217"></a>
+<span class="sourceLineNo">218</span> }<a name="line.218"></a>
+<span class="sourceLineNo">219</span><a name="line.219"></a>
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+<span class="sourceLineNo">087</span> * what is in the data file. For example, if you pass the following argument as<a name="line.87"></a>
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+<span class="sourceLineNo">096</span><a name="line.96"></a>
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+<span class="sourceLineNo">109</span> /**<a name="line.109"></a>
+<span class="sourceLineNo">110</span> * A comma-delimited array of values for use as bucket sizes.<a name="line.110"></a>
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+<span class="sourceLineNo">113</span><a name="line.113"></a>
+<span class="sourceLineNo">114</span> /**<a name="line.114"></a>
+<span class="sourceLineNo">115</span> * Defaults for Bucket cache<a name="line.115"></a>
+<span class="sourceLineNo">116</span> */<a name="line.116"></a>
+<span class="sourceLineNo">117</span> public static final boolean DEFAULT_BUCKET_CACHE_COMBINED = true;<a name="line.117"></a>
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+<span class="sourceLineNo">121</span> /**<a name="line.121"></a>
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+<span class="sourceLineNo">124</span> */<a name="line.124"></a>
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+<span class="sourceLineNo">129</span> * The target block size used by blockcache instances. Defaults to<a name="line.129"></a>
+<span class="sourceLineNo">130</span> * {@link HConstants#DEFAULT_BLOCKSIZE}.<a name="line.130"></a>
+<span class="sourceLineNo">131</span> * TODO: this config point is completely wrong, as it's used to determine the<a name="line.131"></a>
+<span class="sourceLineNo">132</span> * target block size of BlockCache instances. Rename.<a name="line.132"></a>
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+<span class="sourceLineNo">139</span> private static final String EXTERNAL_BLOCKCACHE_CLASS_KEY="hbase.blockcache.external.class";<a name="line.139"></a>
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+<span class="sourceLineNo">143</span> /**<a name="line.143"></a>
+<span class="sourceLineNo">144</span> * Enum of all built in external block caches.<a name="line.144"></a>
+<span class="sourceLineNo">145</span> * This is used for config.<a name="line.145"></a>
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+<span class="sourceLineNo">149</span> // TODO(eclark): Consider more. Redis, etc.<a name="line.149"></a>
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+<span class="sourceLineNo">161</span> }<a name="line.161"></a>
+<span class="sourceLineNo">162</span><a name="line.162"></a>
+<span class="sourceLineNo">163</span> // Defaults<a name="line.163"></a>
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+<span class="sourceLineNo">173</span> /** Local reference to the block cache, null if completely disabled */<a name="line.173"></a>
+<span class="sourceLineNo">174</span> private final BlockCache blockCache;<a name="line.174"></a>
+<span class="sourceLineNo">175</span><a name="line.175"></a>
+<span class="sourceLineNo">176</span> /**<a name="line.176"></a>
+<span class="sourceLineNo">177</span> * Whether blocks should be cached on read (default is on if there is a<a name="line.177"></a>
+<span class="sourceLineNo">178</span> * cache but this can be turned off on a per-family or per-request basis).<a name="line.178"></a>
+<span class="sourceLineNo">179</span> * If off we will STILL cache meta blocks; i.e. INDEX and BLOOM types.<a name="line.179"></a>
+<span class="sourceLineNo">180</span> * This cannot be disabled.<a name="line.180"></a>
+<span class="sourceLineNo">181</span> */<a name="line.181"></a>
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+<span class="sourceLineNo">184</span> /** Whether blocks should be flagged as in-memory when being cached */<a name="line.184"></a>
+<span class="sourceLineNo">185</span> private final boolean inMemory;<a name="line.185"></a>
<span class="sourceLineNo">186</span><a name="line.186"></a>
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+<span class="sourceLineNo">187</span> /** Whether data blocks should be cached when new files are written */<a name="line.187"></a>
+<span class="sourceLineNo">188</span> private boolean cacheDataOnWrite;<a name="line.188"></a>
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+<span class="sourceLineNo">190</span> /** Whether index blocks should be cached when new files are written */<a name="line.190"></a>
+<span class="sourceLineNo">191</span> private final boolean cacheIndexesOnWrite;<a name="line.191"></a>
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+<span class="sourceLineNo">193</span> /** Whether compound bloom filter blocks should be cached on write */<a name="line.193"></a>
+<span class="sourceLineNo">194</span> private final boolean cacheBloomsOnWrite;<a name="line.194"></a>
<span class="sourceLineNo">195</span><a name="line.195"></a>
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-<span class="sourceLineNo">197</span> private final boolean prefetchOnOpen;<a name="line.197"></a>
+<span class="sourceLineNo">196</span> /** Whether blocks of a file should be evicted when the file is closed */<a name="line.196"></a>
+<span class="sourceLineNo">197</span> private boolean evictOnClose;<a name="line.197"></a>
<span class="sourceLineNo">198</span><a name="line.198"></a>
-<span class="sourceLineNo">199</span> /**<a name="line.199"></a>
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-<span class="sourceLineNo">201</span> * and an L2 tier -- then cache data blocks up in the L1 tier (The meta blocks are likely being<a name="line.201"></a>
-<span class="sourceLineNo">202</span> * cached up in L1 already. At least this is the case if CombinedBlockCache).<a name="line.202"></a>
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-<span class="sourceLineNo">207</span><a name="line.207"></a>
-<span class="sourceLineNo">208</span> /**<a name="line.208"></a>
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-<span class="sourceLineNo">210</span> * family descriptor.<a name="line.210"></a>
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-<span class="sourceLineNo">212</span> * @param family column family configuration<a name="line.212"></a>
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-<span class="sourceLineNo">216</span> family.isBlockCacheEnabled(),<a name="line.216"></a>
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-<span class="sourceLineNo">219</span> // if they are enabled in the global configuration.<a name="line.219"></a>
-<span class="sourceLineNo">220</span> conf.getBoolean(CACHE_BLOCKS_ON_WRITE_KEY,<a name="line.220"></a>
-<span class="sourceLineNo">221</span> DEFAULT_CACHE_DATA_ON_WRITE) || family.isCacheDataOnWrite(),<a name="line.221"></a>
-<span class="sourceLineNo">222</span> conf.getBoolean(CACHE_INDEX_BLOCKS_ON_WRITE_KEY,<a name="line.222"></a>
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-<span class="sourceLineNo">236</span><a name="line.236"></a>
-<span class="sourceLineNo">237</span> /**<a name="line.237"></a>
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-<span class="sourceLineNo">239</span> * defaults for family level settings.<a name="line.239"></a>
-<span class="sourceLineNo">240</span> * @param conf hbase configuration<a name="line.240"></a>
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-<span class="sourceLineNo">244</span> DEFAULT_CACHE_DATA_ON_READ,<a name="line.244"></a>
-<span class="sourceLineNo">245</span> DEFAULT_IN_MEMORY, // This is a family-level setting so can't be set<a name="line.245"></a>
-<span class="sourceLineNo">246</span> // strictly from conf<a name="line.246"></a>
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-<span class="sourceLineNo">248</span> conf.getBoolean(CACHE_INDEX_BLOCKS_ON_WRITE_KEY, DEFAULT_CACHE_INDEXES_ON_WRITE),<a name="line.248"></a>
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+<span class="sourceLineNo">239</span> conf.getBoolean(DROP_BEHIND_CACHE_COMPACTION_KEY,DROP_BEHIND_CACHE_COMPACTION_DEFAULT)<a name="line.239"></a>
+<span class="sourceLineNo">240</span> );<a name="line.240"></a>
+<span class="sourceLineNo">241</span> }<a name="line.241"></a>
+<span class="sourceLineNo">242</span><a name="line.242"></a>
+<span class="sourceLineNo">243</span> /**<a name="line.243"></a>
+<span class="sourceLineNo">244</span> * Create a cache configuration using the specified configuration object and<a name="line.244"></a>
+<span class="sourceLineNo">245</span> * defaults for family level settings.<a name="line.245"></a>
+<span class="sourceLineNo">246</span> * @param conf hbase configuration<a name="line.246"></a>
+<span class="sourceLineNo">247</span> */<a name="line.247"></a>
+<span class="sourceLineNo">248</span> public CacheConfig(Configuration conf) {<a name="line.248"></a>
+<span class="sourceLineNo">249</span> this(CacheConfig.instantiateBlockCache(conf),<a name="line.249"></a>
+<span class="sourceLineNo">250</span> DEFAULT_CACHE_DATA_ON_READ,<a name="line.250"></a>
+<span class="sourceLineNo">251</span> DEFAULT_IN_MEMORY, // This is a family-level setting so can't be set<a name="line.251"></a>
+<span class="sourceLineNo">252</span> // strictly from conf<a name="line.252"></a>
+<span class="sourceLineNo">253</span> conf.getBoolean(CACHE_BLOCKS_ON_WRITE_KEY, DEFAULT_CACHE_DATA_ON_WRITE),<a name="line.253"></a>
+<span class="sourceLineNo">254</span> conf.getBoolean(CACHE_INDEX_BLOCKS_ON_WRITE_KEY, DEFAULT_CACHE_INDEXES_ON_WRITE),<a name="line.254"></a>
+<span class="sourceLineNo">255</span> conf.getBoolean(CACHE_BLOOM_BLOCKS_ON_WRITE_KEY, DEFAULT_CACHE_BLOOMS_ON_WRITE),<a name="line.255"></a>
+<span class="sourceLineNo">256</span> conf.getBoolean(EVICT_BLOCKS_ON_CLOSE_KEY, DEFAULT_EVICT_ON_CLOSE),<a name="line.256"></a>
+<span class="sourceLineNo">257</span> conf.getBoolean(CACHE_DATA_BLOCKS_COMPRESSED_KEY, DEFAULT_CACHE_DATA_COMPRESSED),<a name="line.257"></a>
+<span class="sourceLineNo">258</span> conf.getBoolean(PREFETCH_BLOCKS_ON_OPEN_KEY, DEFAULT_PREFETCH_ON_OPEN),<a name="line.258"></a>
+<span class="sourceLineNo">259</span> conf.getBoolean(HColumnDescriptor.CACHE_DATA_IN_L1,<a name="line.259"></a>
+<span class="sourceLineNo">260</span> HColumnDescriptor.DEFAULT_CACHE_DATA_IN_L1),<a name="line.260"></a>
+<span class="sourceLineNo">261</span> conf.getBoolean(DROP_BEHIND_CACHE_COMPACTION_KEY,DROP_BEHIND_CACHE_COMPACTION_DEFAULT)<a name="line.261"></a>
+<span class="sourceLineNo">262</span> );<a name="line.262"></a>
+<span class="sourceLineNo">263</span> }<a name="line.263"></a>
+<span class="sourceLineNo">264</span><a name="line.264"></a>
+<span class="sourceLineNo">265</span> /**<a name="line.265"></a>
+<span class="sourceLineNo">266</span> * Create a block cache configuration with the specified cache and<a name="line.266"></a>
+<span class="sourceLineNo">267</span> * configuration parameters.<a name="line.267"></a>
+<span class="sourceLineNo">268</span> * @param blockCache reference to block cache, null if completely disabled<a name="line.268"></a>
+<span class="sourceLineNo">269</span> * @param cacheDataOnRead whether DATA blocks should be cached on read (we always cache INDEX<a name="line.269"></a>
+<span class="sourceLineNo">270</span> * blocks and BLOOM blocks; this cannot be disabled).<a name="line.270"></a>
+<span class="sourceLineNo">271</span> * @param inMemory whether blocks should be flagged as in-memory<a name="line.271"></a>
+<span class="sourceLineNo">272</span> * @param cacheDataOnWrite whether data blocks should be cached on write<a name="line.272"></a>
+<span class="sourceLineNo">273</span> * @param cacheIndexesOnWrite whether index blocks should be cached on write<a name="line.273"></a>
+<span class="sourceLineNo">274</span> * @param cacheBloomsOnWrite whether blooms should be cached on write<a name="line.274"></a>
+<span class="sourceLineNo">275</span> * @param evictOnClose whether blocks should be evicted when HFile is closed<a name="line.275"></a>
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+<span class="sourceLineNo">277</span> * @param prefetchOnOpen whether to prefetch blocks upon open<a name="line.277"></a>
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+<span class="sourceLineNo">279</span> * data blocks up in the L1 tier.<a name="line.279"></a>
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+<span class="sourceLineNo">288</span> this.cacheDataOnRead = cacheDataOnRead;<a name="line.288"></a>
+<span class="sourceLineNo">289</span> this.inMemory = inMemory;<a name="line.289"></a>
+<span class="sourceLineNo">290</span> this.cacheDataOnWrite = cacheDataOnWrite;<a name="line.290"></a>
+<span class="sourceLineNo">291</span> this.cacheIndexesOnWrite = cacheIndexesOnWrite;<a name="line.291"></a>
+<span class="sourceLineNo">292</span> this.cacheBloomsOnWrite = cacheBloomsOnWrite;<a name="line.292"></a>
+<span class="sourceLineNo">293</span> this.evictOnClose = evictOnClose;<a name="line.293"></a>
+<span class="sourceLineNo">294</span> this.cacheDataCompressed = cacheDataCompressed;<a name="line.294"></a>
+<span class="sourceLineNo">295</span> this.prefetchOnOpen = prefetchOnOpen;<a name="line.295"></a>
+<span class="sourceLineNo">296</span> this.cacheDataInL1 = cacheDataInL1;<a name="line.296"></a>
+<span class="sourceLineNo">297</span> this.dropBehindCompaction = dropBehindCompaction;<a name="line.297"></a>
+<span class="sourceLineNo">298</span> LOG.info(this);<a name="line.298"></a>
+<span class="sourceLineNo">299</span> }<a name="line.299"></a>
+<span class="sourceLineNo">300</span><a name="line.300"></a>
+<span class="sourceLineNo">301</span> /**<a name="line.301"></a>
+<span class="sourceLineNo">302</span> * Constructs a cache configuration copied from the specified configuration.<a name="line.302"></a>
+<span class="sourceLineNo">303</span> * @param cacheConf<a name="line.303"></a>
+<span class="sourceLineNo">304</span> */<a name="line.304"></a>
+<span class="sourceLineNo">305</span> public CacheConfig(CacheConfig cacheConf) {<a name="line.305"></a>
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+<span class="sourceLineNo">307</span> cacheConf.cacheDataOnWrite, cacheConf.cacheIndexesOnWrite,<a name="line.307"></a>
+<span class="sourceLineNo">308</span> cacheConf.cacheBloomsOnWrite, cacheConf.evictOnClose,<a name="line.308"></a>
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+<span class="sourceLineNo">313</span> /**<a name="line.313"></a>
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+<span class="sourceLineNo">316</span> public boolean isBlockCacheEnabled() {<a name="line.316"></a>
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+<span class="sourceLineNo">319</span><a name="line.319"></a>
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+<span class="sourceLineNo">323</span> */<a name="line.323"></a>
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+<span class="sourceLineNo">328</span> /**<a name="line.328"></a>
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+<span class="sourceLineNo">330</span> * cache the meta blocks, the INDEX and BLOOM blocks).<a name="line.330"></a>
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+<span class="sourceLineNo">332</span> */<a name="line.332"></a>
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+<span class="sourceLineNo">335</span> }<a name="line.335"></a>
+<span class="sourceLineNo">336</span><a name="line.336"></a>
+<span class="sourceLineNo">337</span> public boolean shouldDropBehindCompaction() {<a name="line.337"></a>
+<span class="sourceLineNo">338</span> return dropBehindCompaction;<a name="line.338"></a>
+<span class="sourceLineNo">339</span> }<a name="line.339"></a>
+<span class="sourceLineNo">340</span><a name="line.340"></a>
+<span class="sourceLineNo">341</span> /**<a name="line.341"></a>
+<span class="sourceLineNo">342</span> * Should we cache a block of a particular category? We always cache<a name="line.342"></a>
+<span class="sourceLineNo">343</span> * important blocks such as index blocks, as long as the block cache is<a name="line.343"></a>
+<span class="sourceLineNo">344</span> * available.<a name="line.344"></a>
+<span class="sourceLineNo">345</span> */<a name="line.345"></a>
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+<span class="sourceLineNo">356</span> /**<a name="line.356"></a>
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+<span class="sourceLineNo">359</span> public boolean isInMemory() {<a name="line.359"></a>
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+<span class="sourceLineNo">361</span> }<a name="line.361"></a>
+<span class="sourceLineNo">362</span><a name="line.362"></a>
+<span class="sourceLineNo">363</span> /**<a name="line.363"></a>
+<span class="sourceLineNo">364</span> * @return True if cache data blocks in L1 tier (if more than one tier in block cache deploy).<a name="line.364"></a>
+<span class="sourceLineNo">365</span> */<a name="line.365"></a>
+<span class="sourceLineNo">366</span> public boolean isCacheDataInL1() {<a name="line.366"></a>
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+<span class="sourceLineNo">368</span> }<a name="line.368"></a>
+<span class="sourceLineNo">369</span><a name="line.369"></a>
+<span class="sourceLineNo">370</span> /**<a name="line.370"></a>
+<span class="sourceLineNo">371</span> * @return true if data blocks should be written to the cache when an HFile is<a name="line.371"></a>
+<span class="sourceLineNo">372</span> * written, false if not<a name="line.372"></a>
+<span class="sourceLineNo">373</span> */<a name="line.373"></a>
+<span class="sourceLineNo">374</span> public boolean shouldCacheDataOnWrite() {<a name="line.374"></a>
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+<span class="sourceLineNo">376</span> }<a name="line.376"></a>
+<span class="sourceLineNo">377</span><a name="line.377"></a>
+<span class="sourceLineNo">378</span> /**<a name="line.378"></a>
+<span class="sourceLineNo">379</span> * Only used for testing.<a name="line.379"></a>
+<span class="sourceLineNo">380</span> * @param cacheDataOnWrite whether data blocks should be written to the cache<a name="line.380"></a>
+<span class="sourceLineNo">381</span> * when an HFile is written<a name="line.381"></a>
+<span class="sourceLineNo">382</span> */<a name="line.382"></a>
+<span class="sourceLineNo">383</span> @VisibleForTesting<a name="line.383"></a>
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+<span class="sourceLineNo">386</span> }<a name="line.386"></a>
+<span class="sourceLineNo">387</span><a name="line.387"></a>
+<span class="sourceLineNo">388</span> /**<a name="line.388"></a>
+<span class="sourceLineNo">389</span> * Only used for testing.<a name="line.389"></a>
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+<span class="sourceLineNo">391</span> * implementation).<a name="line.391"></a>
+<span class="sourceLineNo">392</span> */<a name="line.392"></a>
+<span class="sourceLineNo">393</span> @VisibleForTesting<a name="line.393"></a>
+<span class="sourceLineNo">394</span> public void setCacheDataInL1(boolean cacheDataInL1) {<a name="line.394"></a>
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+<span class="sourceLineNo">397</span><a name="line.397"></a>
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+<span class="sourceLineNo">401</span> */<a name="line.401"></a>
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+<span class="sourceLineNo">408</span> * is written, false if not<a name="line.408"></a>
+<span class="sourceLineNo">409</span> */<a name="line.409"></a>
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+<span class="sourceLineNo">412</span> }<a name="line.412"></a>
+<span class="sourceLineNo">413</span><a name="line.413"></a>
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+<span class="sourceLineNo">417</span> */<a name="line.417"></a>
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+<span class="sourceLineNo">421</span><a name="line.421"></a>
+<span class="sourceLineNo">422</span> /**<a name="line.422"></a>
+<span class="sourceLineNo">423</span> * Only used for testing.<a name="line.423"></a>
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+<span class="sourceLineNo">425</span> * HFile reader is closed<a name="line.425"></a>
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+<span class="sourceLineNo">443</span> switch (category) {<a name="line.443"></a>
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+<span class="sourceLineNo">447</span> return false;<a name="line.447"></a>
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+<span class="sourceLineNo">449</span> }<a name="line.449"></a>
+<span class="sourceLineNo">450</span><a name="line.450"></a>
+<span class="sourceLineNo">451</span> /**<a name="line.451"></a>
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+<span class="sourceLineNo">453</span> */<a name="line.453"></a>
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+<span class="sourceLineNo">458</span> /**<a name="line.458"></a>
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+<span class="sourceLineNo">460</span> * <p><a name="line.460"></a>
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+<span class="sourceLineNo">463</span> * the future, {@code cacheDataOnWrite} should honor the CF level {@code isBlockCacheEnabled}<a name="line.463"></a>
+<span class="sourceLineNo">464</span> * configuration.<a name="line.464"></a>
+<span class="sourceLineNo">465</span> */<a name="line.465"></a>
+<span class="sourceLineNo">466</span> public boolean shouldReadBlockFromCache(BlockType blockType) {<a name="line.466"></a>
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-<span class="sourceLineNo">564</span><a name="line.564"></a>
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<TRUNCATED>
[30/51] [partial] hbase-site git commit: Published site at
7dabcf23e8dd53f563981e1e03f82336fc0a44da.
Posted by mi...@apache.org.
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/3e48e84d/devapidocs/org/apache/hadoop/hbase/io/hfile/class-use/BlockType.html
----------------------------------------------------------------------
diff --git a/devapidocs/org/apache/hadoop/hbase/io/hfile/class-use/BlockType.html b/devapidocs/org/apache/hadoop/hbase/io/hfile/class-use/BlockType.html
index 8a9e4fa..413a698 100644
--- a/devapidocs/org/apache/hadoop/hbase/io/hfile/class-use/BlockType.html
+++ b/devapidocs/org/apache/hadoop/hbase/io/hfile/class-use/BlockType.html
@@ -290,14 +290,10 @@ the order they are declared.</div>
<a href="../../../../../../../org/apache/hadoop/hbase/io/hfile/BlockType.html" title="enum in org.apache.hadoop.hbase.io.hfile">BlockType</a> blockType)</code> </td>
</tr>
<tr class="altColor">
-<td class="colFirst"><code>void</code></td>
-<td class="colLast"><span class="strong">HFileBlock.</span><code><strong><a href="../../../../../../../org/apache/hadoop/hbase/io/hfile/HFileBlock.html#expectType(org.apache.hadoop.hbase.io.hfile.BlockType)">expectType</a></strong>(<a href="../../../../../../../org/apache/hadoop/hbase/io/hfile/BlockType.html" title="enum in org.apache.hadoop.hbase.io.hfile">BlockType</a> expectedType)</code> </td>
-</tr>
-<tr class="rowColor">
<td class="colFirst"><code>private <a href="http://docs.oracle.com/javase/7/docs/api/java/io/DataInput.html?is-external=true" title="class or interface in java.io">DataInput</a></code></td>
<td class="colLast"><span class="strong">HFileReaderImpl.</span><code><strong><a href="../../../../../../../org/apache/hadoop/hbase/io/hfile/HFileReaderImpl.html#getBloomFilterMetadata(org.apache.hadoop.hbase.io.hfile.BlockType)">getBloomFilterMetadata</a></strong>(<a href="../../../../../../../org/apache/hadoop/hbase/io/hfile/BlockType.html" title="enum in org.apache.hadoop.hbase.io.hfile">BlockType</a> blockType)</code> </td>
</tr>
-<tr class="altColor">
+<tr class="rowColor">
<td class="colFirst"><code>private <a href="../../../../../../../org/apache/hadoop/hbase/io/hfile/HFileBlock.html" title="class in org.apache.hadoop.hbase.io.hfile">HFileBlock</a></code></td>
<td class="colLast"><span class="strong">HFileReaderImpl.</span><code><strong><a href="../../../../../../../org/apache/hadoop/hbase/io/hfile/HFileReaderImpl.html#getCachedBlock(org.apache.hadoop.hbase.io.hfile.BlockCacheKey,%20boolean,%20boolean,%20boolean,%20boolean,%20org.apache.hadoop.hbase.io.hfile.BlockType,%20org.apache.hadoop.hbase.io.encoding.DataBlockEncoding)">getCachedBlock</a></strong>(<a href="../../../../../../../org/apache/hadoop/hbase/io/hfile/BlockCacheKey.html" title="class in org.apache.hadoop.hbase.io.hfile">BlockCacheKey</a> cacheKey,
boolean cacheBlock,
@@ -309,14 +305,14 @@ the order they are declared.</div>
<div class="block">Retrieve block from cache.</div>
</td>
</tr>
-<tr class="rowColor">
+<tr class="altColor">
<td class="colFirst"><code><a href="../../../../../../../org/apache/hadoop/hbase/io/hfile/HFileBlock.html" title="class in org.apache.hadoop.hbase.io.hfile">HFileBlock</a></code></td>
<td class="colLast"><span class="strong">HFileBlock.BlockIterator.</span><code><strong><a href="../../../../../../../org/apache/hadoop/hbase/io/hfile/HFileBlock.BlockIterator.html#nextBlockWithBlockType(org.apache.hadoop.hbase.io.hfile.BlockType)">nextBlockWithBlockType</a></strong>(<a href="../../../../../../../org/apache/hadoop/hbase/io/hfile/BlockType.html" title="enum in org.apache.hadoop.hbase.io.hfile">BlockType</a> blockType)</code>
<div class="block">Similar to <a href="../../../../../../../org/apache/hadoop/hbase/io/hfile/HFileBlock.BlockIterator.html#nextBlock()"><code>HFileBlock.BlockIterator.nextBlock()</code></a> but checks block type, throws an
exception if incorrect, and returns the HFile block</div>
</td>
</tr>
-<tr class="altColor">
+<tr class="rowColor">
<td class="colFirst"><code><a href="../../../../../../../org/apache/hadoop/hbase/io/hfile/HFileBlock.html" title="class in org.apache.hadoop.hbase.io.hfile">HFileBlock</a></code></td>
<td class="colLast"><span class="strong">HFile.CachingBlockReader.</span><code><strong><a href="../../../../../../../org/apache/hadoop/hbase/io/hfile/HFile.CachingBlockReader.html#readBlock(long,%20long,%20boolean,%20boolean,%20boolean,%20boolean,%20org.apache.hadoop.hbase.io.hfile.BlockType,%20org.apache.hadoop.hbase.io.encoding.DataBlockEncoding)">readBlock</a></strong>(long offset,
long onDiskBlockSize,
@@ -329,7 +325,7 @@ the order they are declared.</div>
<div class="block">Read in a file block.</div>
</td>
</tr>
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+<tr class="altColor">
<td class="colFirst"><code><a href="../../../../../../../org/apache/hadoop/hbase/io/hfile/HFileBlock.html" title="class in org.apache.hadoop.hbase.io.hfile">HFileBlock</a></code></td>
<td class="colLast"><span class="strong">HFileReaderImpl.</span><code><strong><a href="../../../../../../../org/apache/hadoop/hbase/io/hfile/HFileReaderImpl.html#readBlock(long,%20long,%20boolean,%20boolean,%20boolean,%20boolean,%20org.apache.hadoop.hbase.io.hfile.BlockType,%20org.apache.hadoop.hbase.io.encoding.DataBlockEncoding)">readBlock</a></strong>(long dataBlockOffset,
long onDiskBlockSize,
@@ -340,31 +336,31 @@ the order they are declared.</div>
<a href="../../../../../../../org/apache/hadoop/hbase/io/hfile/BlockType.html" title="enum in org.apache.hadoop.hbase.io.hfile">BlockType</a> expectedBlockType,
<a href="../../../../../../../org/apache/hadoop/hbase/io/encoding/DataBlockEncoding.html" title="enum in org.apache.hadoop.hbase.io.encoding">DataBlockEncoding</a> expectedDataBlockEncoding)</code> </td>
</tr>
-<tr class="altColor">
+<tr class="rowColor">
<td class="colFirst"><code>private void</code></td>
<td class="colLast"><span class="strong">HFileBlock.</span><code><strong><a href="../../../../../../../org/apache/hadoop/hbase/io/hfile/HFileBlock.html#sanityCheckAssertion(org.apache.hadoop.hbase.io.hfile.BlockType,%20org.apache.hadoop.hbase.io.hfile.BlockType)">sanityCheckAssertion</a></strong>(<a href="../../../../../../../org/apache/hadoop/hbase/io/hfile/BlockType.html" title="enum in org.apache.hadoop.hbase.io.hfile">BlockType</a> valueFromBuf,
<a href="../../../../../../../org/apache/hadoop/hbase/io/hfile/BlockType.html" title="enum in org.apache.hadoop.hbase.io.hfile">BlockType</a> valueFromField)</code> </td>
</tr>
-<tr class="rowColor">
+<tr class="altColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><span class="strong">CacheConfig.</span><code><strong><a href="../../../../../../../org/apache/hadoop/hbase/io/hfile/CacheConfig.html#shouldLockOnCacheMiss(org.apache.hadoop.hbase.io.hfile.BlockType)">shouldLockOnCacheMiss</a></strong>(<a href="../../../../../../../org/apache/hadoop/hbase/io/hfile/BlockType.html" title="enum in org.apache.hadoop.hbase.io.hfile">BlockType</a> blockType)</code>
<div class="block">If we make sure the block could not be cached, we will not acquire the lock
otherwise we will acquire lock</div>
</td>
</tr>
-<tr class="altColor">
+<tr class="rowColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><span class="strong">CacheConfig.</span><code><strong><a href="../../../../../../../org/apache/hadoop/hbase/io/hfile/CacheConfig.html#shouldReadBlockFromCache(org.apache.hadoop.hbase.io.hfile.BlockType)">shouldReadBlockFromCache</a></strong>(<a href="../../../../../../../org/apache/hadoop/hbase/io/hfile/BlockType.html" title="enum in org.apache.hadoop.hbase.io.hfile">BlockType</a> blockType)</code>
<div class="block">Return true if we may find this type of block in block cache.</div>
</td>
</tr>
-<tr class="rowColor">
-<td class="colFirst"><code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/DataOutputStream.html?is-external=true" title="class or interface in java.io">DataOutputStream</a></code></td>
+<tr class="altColor">
+<td class="colFirst"><code>(package private) <a href="http://docs.oracle.com/javase/7/docs/api/java/io/DataOutputStream.html?is-external=true" title="class or interface in java.io">DataOutputStream</a></code></td>
<td class="colLast"><span class="strong">HFileBlock.Writer.</span><code><strong><a href="../../../../../../../org/apache/hadoop/hbase/io/hfile/HFileBlock.Writer.html#startWriting(org.apache.hadoop.hbase.io.hfile.BlockType)">startWriting</a></strong>(<a href="../../../../../../../org/apache/hadoop/hbase/io/hfile/BlockType.html" title="enum in org.apache.hadoop.hbase.io.hfile">BlockType</a> newBlockType)</code>
<div class="block">Starts writing into the block.</div>
</td>
</tr>
-<tr class="altColor">
+<tr class="rowColor">
<td class="colFirst"><code>private void</code></td>
<td class="colLast"><span class="strong">HFileReaderImpl.</span><code><strong><a href="../../../../../../../org/apache/hadoop/hbase/io/hfile/HFileReaderImpl.html#validateBlockType(org.apache.hadoop.hbase.io.hfile.HFileBlock,%20org.apache.hadoop.hbase.io.hfile.BlockType)">validateBlockType</a></strong>(<a href="../../../../../../../org/apache/hadoop/hbase/io/hfile/HFileBlock.html" title="class in org.apache.hadoop.hbase.io.hfile">HFileBlock</a> block,
<a href="../../../../../../../org/apache/hadoop/hbase/io/hfile/BlockType.html" title="enum in org.apache.hadoop.hbase.io.hfile">BlockType</a> expectedBlockType)</code>
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/3e48e84d/devapidocs/org/apache/hadoop/hbase/io/hfile/class-use/CacheConfig.html
----------------------------------------------------------------------
diff --git a/devapidocs/org/apache/hadoop/hbase/io/hfile/class-use/CacheConfig.html b/devapidocs/org/apache/hadoop/hbase/io/hfile/class-use/CacheConfig.html
index d8ebb95..3942155 100644
--- a/devapidocs/org/apache/hadoop/hbase/io/hfile/class-use/CacheConfig.html
+++ b/devapidocs/org/apache/hadoop/hbase/io/hfile/class-use/CacheConfig.html
@@ -288,7 +288,7 @@
</td>
</tr>
<tr class="rowColor">
-<td class="colFirst"><code><a href="../../../../../../../org/apache/hadoop/hbase/io/hfile/HFileBlock.html" title="class in org.apache.hadoop.hbase.io.hfile">HFileBlock</a></code></td>
+<td class="colFirst"><code>(package private) <a href="../../../../../../../org/apache/hadoop/hbase/io/hfile/HFileBlock.html" title="class in org.apache.hadoop.hbase.io.hfile">HFileBlock</a></code></td>
<td class="colLast"><span class="strong">HFileBlock.Writer.</span><code><strong><a href="../../../../../../../org/apache/hadoop/hbase/io/hfile/HFileBlock.Writer.html#getBlockForCaching(org.apache.hadoop.hbase.io.hfile.CacheConfig)">getBlockForCaching</a></strong>(<a href="../../../../../../../org/apache/hadoop/hbase/io/hfile/CacheConfig.html" title="class in org.apache.hadoop.hbase.io.hfile">CacheConfig</a> cacheConf)</code>
<div class="block">Creates a new HFileBlock.</div>
</td>
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/3e48e84d/devapidocs/org/apache/hadoop/hbase/io/hfile/class-use/Cacheable.html
----------------------------------------------------------------------
diff --git a/devapidocs/org/apache/hadoop/hbase/io/hfile/class-use/Cacheable.html b/devapidocs/org/apache/hadoop/hbase/io/hfile/class-use/Cacheable.html
index 4c339b0..babe95d 100644
--- a/devapidocs/org/apache/hadoop/hbase/io/hfile/class-use/Cacheable.html
+++ b/devapidocs/org/apache/hadoop/hbase/io/hfile/class-use/Cacheable.html
@@ -122,7 +122,7 @@
<tr class="altColor">
<td class="colFirst"><code>class </code></td>
<td class="colLast"><code><strong><a href="../../../../../../../org/apache/hadoop/hbase/io/hfile/HFileBlock.html" title="class in org.apache.hadoop.hbase.io.hfile">HFileBlock</a></strong></code>
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+<div class="block">Reads <a href="../../../../../../../org/apache/hadoop/hbase/io/hfile/HFile.html" title="class in org.apache.hadoop.hbase.io.hfile"><code>HFile</code></a> version 1 and version 2 blocks but writes version 2 blocks only.</div>
</td>
</tr>
</tbody>
@@ -149,7 +149,9 @@
<tbody>
<tr class="altColor">
<td class="colFirst"><code>(package private) static <a href="../../../../../../../org/apache/hadoop/hbase/io/hfile/CacheableDeserializer.html" title="interface in org.apache.hadoop.hbase.io.hfile">CacheableDeserializer</a><<a href="../../../../../../../org/apache/hadoop/hbase/io/hfile/Cacheable.html" title="interface in org.apache.hadoop.hbase.io.hfile">Cacheable</a>></code></td>
-<td class="colLast"><span class="strong">HFileBlock.</span><code><strong><a href="../../../../../../../org/apache/hadoop/hbase/io/hfile/HFileBlock.html#blockDeserializer">blockDeserializer</a></strong></code> </td>
+<td class="colLast"><span class="strong">HFileBlock.</span><code><strong><a href="../../../../../../../org/apache/hadoop/hbase/io/hfile/HFileBlock.html#blockDeserializer">blockDeserializer</a></strong></code>
+<div class="block">Used deserializing blocks from Cache.</div>
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-<span class="sourceLineNo">878</span> if (!previous.isValid()) {<a name="line.878"></a>
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-<span class="sourceLineNo">880</span> // first key in the block.<a name="line.880"></a>
-<span class="sourceLineNo">881</span> throw new IllegalStateException("Cannot seekBefore if "<a name="line.881"></a>
-<span class="sourceLineNo">882</span> + "positioned at the first key in the block: key="<a name="line.882"></a>
-<span class="sourceLineNo">883</span> + Bytes.toStringBinary(seekCell.getRowArray()));<a name="line.883"></a>
-<span class="sourceLineNo">884</span> }<a name="line.884"></a>
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-<span class="sourceLineNo">887</span> }<a name="line.887"></a>
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-<span class="sourceLineNo">890</span><a name="line.890"></a>
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-<span class="sourceLineNo">893</span> moveToPrevious();<a name="line.893"></a>
-<span class="sourceLineNo">894</span> } else {<a name="line.894"></a>
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-<span class="sourceLineNo">909</span><a name="line.909"></a>
-<span class="sourceLineNo">910</span> // we hit the end of the block, not an exact match<a name="line.910"></a>
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-<span class="sourceLineNo">912</span> }<a name="line.912"></a>
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-<span class="sourceLineNo">916</span> && key.getTypeByte() == Type.Minimum.getCode()) {<a name="line.916"></a>
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-<span class="sourceLineNo">919</span> }<a name="line.919"></a>
-<span class="sourceLineNo">920</span> if (right.getFamilyLength() + right.getQualifierLength() == 0<a name="line.920"></a>
-<span class="sourceLineNo">921</span> && right.getTypeByte() == Type.Minimum.getCode()) {<a name="line.921"></a>
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-<span class="sourceLineNo">930</span> + rowCommonPrefix, right.getRowOffset() + rowCommonPrefix);<a name="line.930"></a>
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-<span class="sourceLineNo">934</span> return Bytes<a name="line.934"></a>
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-<span class="sourceLineNo">936</span> - familyCommonPrefix, right.getFamilyLength() - familyCommonPrefix,<a name="line.936"></a>
-<span class="sourceLineNo">937</span> left.getFamilyOffset() + familyCommonPrefix, right.getFamilyOffset()<a name="line.937"></a>
-<span class="sourceLineNo">938</span> + familyCommonPrefix);<a name="line.938"></a>
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-<span class="sourceLineNo">943</span> return Bytes.findCommonPrefix(left.getQualifierArray(), right.getQualifierArray(),<a name="line.943"></a>
-<span class="sourceLineNo">944</span> left.getQualifierLength() - qualifierCommonPrefix, right.getQualifierLength()<a name="line.944"></a>
-<span class="sourceLineNo">945</span> - qualifierCommonPrefix, left.getQualifierOffset() + qualifierCommonPrefix,<a name="line.945"></a>
-<span class="sourceLineNo">946</span> right.getQualifierOffset() + qualifierCommonPrefix);<a name="line.946"></a>
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-<span class="sourceLineNo">948</span><a name="line.948"></a>
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-<span class="sourceLineNo">951</span> throw new IllegalStateException(<a name="line.951"></a>
-<span class="sourceLineNo">952</span> "Can move back only once and not in first key in the block.");<a name="line.952"></a>
-<span class="sourceLineNo">953</span> }<a name="line.953"></a>
-<span class="sourceLineNo">954</span><a name="line.954"></a>
-<span class="sourceLineNo">955</span> STATE tmp = previous;<a name="line.955"></a>
-<span class="sourceLineNo">956</span> previous = current;<a name="line.956"></a>
-<span class="sourceLineNo">957</span> current = tmp;<a name="line.957"></a>
-<span class="sourceLineNo">958</span><a name="line.958"></a>
-<span class="sourceLineNo">959</span> // move after last key value<a name="line.959"></a>
-<span class="sourceLineNo">960</span> currentBuffer.position(cur
<TRUNCATED>
[18/51] [partial] hbase-site git commit: Published site at
7dabcf23e8dd53f563981e1e03f82336fc0a44da.
Posted by mi...@apache.org.
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/3e48e84d/devapidocs/src-html/org/apache/hadoop/hbase/io/encoding/BufferedDataBlockEncoder.BufferedEncodedSeeker.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/io/encoding/BufferedDataBlockEncoder.BufferedEncodedSeeker.html b/devapidocs/src-html/org/apache/hadoop/hbase/io/encoding/BufferedDataBlockEncoder.BufferedEncodedSeeker.html
index d8b6ca7..66dbcf3 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/io/encoding/BufferedDataBlockEncoder.BufferedEncodedSeeker.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/io/encoding/BufferedDataBlockEncoder.BufferedEncodedSeeker.html
@@ -31,12 +31,12 @@
<span class="sourceLineNo">023</span>import java.nio.ByteBuffer;<a name="line.23"></a>
<span class="sourceLineNo">024</span><a name="line.24"></a>
<span class="sourceLineNo">025</span>import org.apache.hadoop.hbase.ByteBufferedCell;<a name="line.25"></a>
-<span class="sourceLineNo">026</span>import org.apache.hadoop.hbase.Cell;<a name="line.26"></a>
-<span class="sourceLineNo">027</span>import org.apache.hadoop.hbase.CellComparator;<a name="line.27"></a>
-<span class="sourceLineNo">028</span>import org.apache.hadoop.hbase.CellUtil;<a name="line.28"></a>
-<span class="sourceLineNo">029</span>import org.apache.hadoop.hbase.HConstants;<a name="line.29"></a>
-<span class="sourceLineNo">030</span>import org.apache.hadoop.hbase.KeyValue;<a name="line.30"></a>
-<span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.ByteBufferedKeyOnlyKeyValue;<a name="line.31"></a>
+<span class="sourceLineNo">026</span>import org.apache.hadoop.hbase.ByteBufferedKeyOnlyKeyValue;<a name="line.26"></a>
+<span class="sourceLineNo">027</span>import org.apache.hadoop.hbase.Cell;<a name="line.27"></a>
+<span class="sourceLineNo">028</span>import org.apache.hadoop.hbase.CellComparator;<a name="line.28"></a>
+<span class="sourceLineNo">029</span>import org.apache.hadoop.hbase.CellUtil;<a name="line.29"></a>
+<span class="sourceLineNo">030</span>import org.apache.hadoop.hbase.HConstants;<a name="line.30"></a>
+<span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.KeyValue;<a name="line.31"></a>
<span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.KeyValue.Type;<a name="line.32"></a>
<span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.KeyValueUtil;<a name="line.33"></a>
<span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.SettableSequenceId;<a name="line.34"></a>
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<span class="sourceLineNo">052</span> */<a name="line.52"></a>
<span class="sourceLineNo">053</span>@InterfaceAudience.Private<a name="line.53"></a>
<span class="sourceLineNo">054</span>abstract class BufferedDataBlockEncoder implements DataBlockEncoder {<a name="line.54"></a>
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-<span class="sourceLineNo">062</span> throw new IOException(this.getClass().getName() + " only accepts "<a name="line.62"></a>
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-<span class="sourceLineNo">070</span> if (decodingCtx.getTagCompressionContext() != null) {<a name="line.70"></a>
-<span class="sourceLineNo">071</span> // It will be overhead to create the TagCompressionContext again and again for every block<a name="line.71"></a>
-<span class="sourceLineNo">072</span> // decoding.<a name="line.72"></a>
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-<span class="sourceLineNo">076</span> TagCompressionContext tagCompressionContext = new TagCompressionContext(<a name="line.76"></a>
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-<span class="sourceLineNo">078</span> decodingCtx.setTagCompressionContext(tagCompressionContext);<a name="line.78"></a>
-<span class="sourceLineNo">079</span> } catch (Exception e) {<a name="line.79"></a>
-<span class="sourceLineNo">080</span> throw new IOException("Failed to initialize TagCompressionContext", e);<a name="line.80"></a>
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-<span class="sourceLineNo">084</span> return internalDecodeKeyValues(source, 0, 0, decodingCtx);<a name="line.84"></a>
-<span class="sourceLineNo">085</span> }<a name="line.85"></a>
-<span class="sourceLineNo">086</span><a name="line.86"></a>
-<span class="sourceLineNo">087</span> /********************* common prefixes *************************/<a name="line.87"></a>
-<span class="sourceLineNo">088</span> // Having this as static is fine but if META is having DBE then we should<a name="line.88"></a>
-<span class="sourceLineNo">089</span> // change this.<a name="line.89"></a>
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-<span class="sourceLineNo">091</span> return Bytes.compareTo(left.getRowArray(), left.getRowOffset() + rowCommonPrefix,<a name="line.91"></a>
-<span class="sourceLineNo">092</span> left.getRowLength() - rowCommonPrefix, right.getRowArray(), right.getRowOffset()<a name="line.92"></a>
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-<span class="sourceLineNo">104</span> left.getQualifierLength() - qualCommonPrefix, right.getQualifierArray(),<a name="line.104"></a>
-<span class="sourceLineNo">105</span> right.getQualifierOffset() + qualCommonPrefix, right.getQualifierLength()<a name="line.105"></a>
-<span class="sourceLineNo">106</span> - qualCommonPrefix);<a name="line.106"></a>
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-<span class="sourceLineNo">108</span><a name="line.108"></a>
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-<span class="sourceLineNo">112</span> protected int valueOffset = -1;<a name="line.112"></a>
-<span class="sourceLineNo">113</span> protected int keyLength;<a name="line.113"></a>
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-<span class="sourceLineNo">115</span> protected int lastCommonPrefix;<a name="line.115"></a>
-<span class="sourceLineNo">116</span> protected int tagsLength = 0;<a name="line.116"></a>
-<span class="sourceLineNo">117</span> protected int tagsOffset = -1;<a name="line.117"></a>
-<span class="sourceLineNo">118</span> protected int tagsCompressedLength = 0;<a name="line.118"></a>
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-<span class="sourceLineNo">121</span> /** We need to store a copy of the key. */<a name="line.121"></a>
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-<span class="sourceLineNo">123</span> protected byte[] tagsBuffer = new byte[INITIAL_KEY_BUFFER_SIZE];<a name="line.123"></a>
-<span class="sourceLineNo">124</span><a name="line.124"></a>
-<span class="sourceLineNo">125</span> protected long memstoreTS;<a name="line.125"></a>
-<span class="sourceLineNo">126</span> protected int nextKvOffset;<a name="line.126"></a>
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-<span class="sourceLineNo">144</span> tagsCompressedLength = 0;<a name="line.144"></a>
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-<span class="sourceLineNo">152</span> // rare case, but we need to handle arbitrary length of key<a name="line.152"></a>
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-<span class="sourceLineNo">155</span> newKeyBufferLength *= 2;<a name="line.155"></a>
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-<span class="sourceLineNo">157</span> byte[] newKeyBuffer = new byte[newKeyBufferLength];<a name="line.157"></a>
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-<span class="sourceLineNo">159</span> keyBuffer = newKeyBuffer;<a name="line.159"></a>
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-<span class="sourceLineNo">162</span><a name="line.162"></a>
-<span class="sourceLineNo">163</span> protected void ensureSpaceForTags() {<a name="line.163"></a>
-<span class="sourceLineNo">164</span> if (tagsLength > tagsBuffer.length) {<a name="line.164"></a>
-<span class="sourceLineNo">165</span> // rare case, but we need to handle arbitrary length of tags<a name="line.165"></a>
-<span class="sourceLineNo">166</span> int newTagsBufferLength = Math.max(tagsBuffer.length, 1) * 2;<a name="line.166"></a>
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-<span class="sourceLineNo">938</span> + familyCommonPrefix);<a name="line.938"></a>
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-<span class="sourceLineNo">942</span> int qualifierCommonPrefix) {<a name="line.942"></a>
-<span class="sourceLineNo">943</span> return Bytes.findCommonPrefix(left.getQualifierArray(), right.getQualifierArray(),<a name="line.943"></a>
-<span class="sourceLineNo">944</span> left.getQualifierLength() - qualifierCommonPrefix, right.getQualifierLength()<a name="line.944"></a>
-<span class="sourceLineNo">945</span> - qualifierCommonPrefix, left.getQualifierOffset() + qualifierCommonPrefix,<a name="line.945"></a>
-<span class="sourceLineNo">946</span> right.getQualifierOffset() + qualifierCommonPrefix);<a name="line.946"></a>
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-<span class="sourceLineNo">948</span><a name="line.948"></a>
-<span class="sourceLineNo">949</span> private void moveToPrevious() {<a name="line.949"></a>
-<span class="sourceLineNo">950</span> if (!previous.isValid()) {<a name="line.950"></a>
-<span class="sourceLineNo">951</span> throw new IllegalStateException(<a name="line.951"></a>
-<span class="sourceLineNo">952</span> "Can move back only once and not in first key in the block.");<a name="line.952"></a>
-<span class="sourceLineNo">953</span> }<a name="line.953"></a>
-<span class="sourceLineNo">954</span><a name="line.954"></a>
-<span class="sourceLineNo">955</span> STATE tmp = previous;<a name="line.955"></a>
-<span class="sourceLineNo">956</span> previous = current;<a name="line.956"></a>
-<span class="sourceLineNo">957</span> current = tmp;<a name="line.957"></a>
-<span class="sourceLineNo">958</span><a name="line.958"></a>
-<span class="sourceLineNo">959</span> // move after last key value<a name="line.959"></a>
-<span class="sourceLineNo">960</span> currentBuffer.position(current.nextKvOffset);<a name="line.960"></a>
-<
<TRUNCATED>
[22/51] [partial] hbase-site git commit: Published site at
7dabcf23e8dd53f563981e1e03f82336fc0a44da.
Posted by mi...@apache.org.
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/3e48e84d/devapidocs/src-html/org/apache/hadoop/hbase/codec/prefixtree/PrefixTreeSeeker.OffheapPrefixTreeCell.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/codec/prefixtree/PrefixTreeSeeker.OffheapPrefixTreeCell.html b/devapidocs/src-html/org/apache/hadoop/hbase/codec/prefixtree/PrefixTreeSeeker.OffheapPrefixTreeCell.html
index 8e94eb6..6e7cf22 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/codec/prefixtree/PrefixTreeSeeker.OffheapPrefixTreeCell.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/codec/prefixtree/PrefixTreeSeeker.OffheapPrefixTreeCell.html
@@ -33,566 +33,565 @@
<span class="sourceLineNo">025</span>import org.apache.hadoop.hbase.CellComparator;<a name="line.25"></a>
<span class="sourceLineNo">026</span>import org.apache.hadoop.hbase.CellUtil;<a name="line.26"></a>
<span class="sourceLineNo">027</span>import org.apache.hadoop.hbase.KeyValue.Type;<a name="line.27"></a>
-<span class="sourceLineNo">028</span>import org.apache.hadoop.hbase.KeyValueUtil;<a name="line.28"></a>
-<span class="sourceLineNo">029</span>import org.apache.hadoop.hbase.SettableSequenceId;<a name="line.29"></a>
-<span class="sourceLineNo">030</span>import org.apache.hadoop.hbase.classification.InterfaceAudience;<a name="line.30"></a>
-<span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.codec.prefixtree.decode.DecoderFactory;<a name="line.31"></a>
-<span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.codec.prefixtree.decode.PrefixTreeArraySearcher;<a name="line.32"></a>
-<span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.codec.prefixtree.scanner.CellScannerPosition;<a name="line.33"></a>
-<span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.io.HeapSize;<a name="line.34"></a>
-<span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.io.encoding.DataBlockEncoder.EncodedSeeker;<a name="line.35"></a>
-<span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.nio.ByteBuff;<a name="line.36"></a>
-<span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.util.ByteBufferUtils;<a name="line.37"></a>
-<span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.38"></a>
-<span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.util.ClassSize;<a name="line.39"></a>
-<span class="sourceLineNo">040</span><a name="line.40"></a>
-<span class="sourceLineNo">041</span>/**<a name="line.41"></a>
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-<span class="sourceLineNo">043</span> *<a name="line.43"></a>
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-<span class="sourceLineNo">046</span> * but in order to create a new KeyValue object, we must first allocate a new byte[] and copy in<a name="line.46"></a>
-<span class="sourceLineNo">047</span> * the data from the PrefixTreeCell. It is somewhat heavyweight right now.<a name="line.47"></a>
-<span class="sourceLineNo">048</span> */<a name="line.48"></a>
-<span class="sourceLineNo">049</span>@InterfaceAudience.Private<a name="line.49"></a>
-<span class="sourceLineNo">050</span>public class PrefixTreeSeeker implements EncodedSeeker {<a name="line.50"></a>
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-<span class="sourceLineNo">052</span> protected ByteBuffer block;<a name="line.52"></a>
-<span class="sourceLineNo">053</span> protected boolean includeMvccVersion;<a name="line.53"></a>
-<span class="sourceLineNo">054</span> protected PrefixTreeArraySearcher ptSearcher;<a name="line.54"></a>
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-<span class="sourceLineNo">056</span> public PrefixTreeSeeker(boolean includeMvccVersion) {<a name="line.56"></a>
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-<span class="sourceLineNo">063</span> rewind();<a name="line.63"></a>
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-<span class="sourceLineNo">066</span> /**<a name="line.66"></a>
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-<span class="sourceLineNo">068</span> * Currently unused.<a name="line.68"></a>
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-<span class="sourceLineNo">070</span> * TODO performance leak. should reuse the searchers. hbase does not currently have a hook where<a name="line.70"></a>
-<span class="sourceLineNo">071</span> * this can be called<a name="line.71"></a>
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-<span class="sourceLineNo">074</span> DecoderFactory.checkIn(ptSearcher);<a name="line.74"></a>
-<span class="sourceLineNo">075</span> }<a name="line.75"></a>
+<span class="sourceLineNo">028</span>import org.apache.hadoop.hbase.SettableSequenceId;<a name="line.28"></a>
+<span class="sourceLineNo">029</span>import org.apache.hadoop.hbase.classification.InterfaceAudience;<a name="line.29"></a>
+<span class="sourceLineNo">030</span>import org.apache.hadoop.hbase.codec.prefixtree.decode.DecoderFactory;<a name="line.30"></a>
+<span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.codec.prefixtree.decode.PrefixTreeArraySearcher;<a name="line.31"></a>
+<span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.codec.prefixtree.scanner.CellScannerPosition;<a name="line.32"></a>
+<span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.io.HeapSize;<a name="line.33"></a>
+<span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.io.encoding.DataBlockEncoder.EncodedSeeker;<a name="line.34"></a>
+<span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.nio.ByteBuff;<a name="line.35"></a>
+<span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.util.ByteBufferUtils;<a name="line.36"></a>
+<span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.37"></a>
+<span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.util.ClassSize;<a name="line.38"></a>
+<span class="sourceLineNo">039</span><a name="line.39"></a>
+<span class="sourceLineNo">040</span>/**<a name="line.40"></a>
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+<span class="sourceLineNo">042</span> *<a name="line.42"></a>
+<span class="sourceLineNo">043</span> * In the future, the EncodedSeeker could be modified to work with the Cell interface directly. It<a name="line.43"></a>
+<span class="sourceLineNo">044</span> * currently returns a new KeyValue object each time getKeyValue is called. This is not horrible,<a name="line.44"></a>
+<span class="sourceLineNo">045</span> * but in order to create a new KeyValue object, we must first allocate a new byte[] and copy in<a name="line.45"></a>
+<span class="sourceLineNo">046</span> * the data from the PrefixTreeCell. It is somewhat heavyweight right now.<a name="line.46"></a>
+<span class="sourceLineNo">047</span> */<a name="line.47"></a>
+<span class="sourceLineNo">048</span>@InterfaceAudience.Private<a name="line.48"></a>
+<span class="sourceLineNo">049</span>public class PrefixTreeSeeker implements EncodedSeeker {<a name="line.49"></a>
+<span class="sourceLineNo">050</span><a name="line.50"></a>
+<span class="sourceLineNo">051</span> protected ByteBuffer block;<a name="line.51"></a>
+<span class="sourceLineNo">052</span> protected boolean includeMvccVersion;<a name="line.52"></a>
+<span class="sourceLineNo">053</span> protected PrefixTreeArraySearcher ptSearcher;<a name="line.53"></a>
+<span class="sourceLineNo">054</span><a name="line.54"></a>
+<span class="sourceLineNo">055</span> public PrefixTreeSeeker(boolean includeMvccVersion) {<a name="line.55"></a>
+<span class="sourceLineNo">056</span> this.includeMvccVersion = includeMvccVersion;<a name="line.56"></a>
+<span class="sourceLineNo">057</span> }<a name="line.57"></a>
+<span class="sourceLineNo">058</span><a name="line.58"></a>
+<span class="sourceLineNo">059</span> @Override<a name="line.59"></a>
+<span class="sourceLineNo">060</span> public void setCurrentBuffer(ByteBuff fullBlockBuffer) {<a name="line.60"></a>
+<span class="sourceLineNo">061</span> ptSearcher = DecoderFactory.checkOut(fullBlockBuffer, includeMvccVersion);<a name="line.61"></a>
+<span class="sourceLineNo">062</span> rewind();<a name="line.62"></a>
+<span class="sourceLineNo">063</span> }<a name="line.63"></a>
+<span class="sourceLineNo">064</span><a name="line.64"></a>
+<span class="sourceLineNo">065</span> /**<a name="line.65"></a>
+<span class="sourceLineNo">066</span> * <p><a name="line.66"></a>
+<span class="sourceLineNo">067</span> * Currently unused.<a name="line.67"></a>
+<span class="sourceLineNo">068</span> * </p><a name="line.68"></a>
+<span class="sourceLineNo">069</span> * TODO performance leak. should reuse the searchers. hbase does not currently have a hook where<a name="line.69"></a>
+<span class="sourceLineNo">070</span> * this can be called<a name="line.70"></a>
+<span class="sourceLineNo">071</span> */<a name="line.71"></a>
+<span class="sourceLineNo">072</span> public void releaseCurrentSearcher(){<a name="line.72"></a>
+<span class="sourceLineNo">073</span> DecoderFactory.checkIn(ptSearcher);<a name="line.73"></a>
+<span class="sourceLineNo">074</span> }<a name="line.74"></a>
+<span class="sourceLineNo">075</span><a name="line.75"></a>
<span class="sourceLineNo">076</span><a name="line.76"></a>
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-<span class="sourceLineNo">080</span> return ptSearcher.current();<a name="line.80"></a>
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+<span class="sourceLineNo">077</span> @Override<a name="line.77"></a>
+<span class="sourceLineNo">078</span> public Cell getKey() {<a name="line.78"></a>
+<span class="sourceLineNo">079</span> return ptSearcher.current();<a name="line.79"></a>
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<span class="sourceLineNo">082</span><a name="line.82"></a>
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-<span class="sourceLineNo">094</span> // The PrefixTreecell is of type BytebufferedCell and the value part of the cell<a name="line.94"></a>
-<span class="sourceLineNo">095</span> // determines whether we are offheap cell or onheap cell. All other parts of the cell-<a name="line.95"></a>
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-<span class="sourceLineNo">100</span> }<a name="line.100"></a>
-<span class="sourceLineNo">101</span> // Use the ByteBuffered cell to see if the Cell is onheap or offheap<a name="line.101"></a>
-<span class="sourceLineNo">102</span> if (cell.getValueByteBuffer().hasArray()) {<a name="line.102"></a>
-<span class="sourceLineNo">103</span> return new OnheapPrefixTreeCell(cell.getRowArray(), cell.getRowOffset(), cell.getRowLength(),<a name="line.103"></a>
-<span class="sourceLineNo">104</span> cell.getFamilyArray(), cell.getFamilyOffset(), cell.getFamilyLength(),<a name="line.104"></a>
-<span class="sourceLineNo">105</span> cell.getQualifierArray(), cell.getQualifierOffset(), cell.getQualifierLength(),<a name="line.105"></a>
-<span class="sourceLineNo">106</span> cell.getValueArray(), cell.getValueOffset(), cell.getValueLength(), cell.getTagsArray(),<a name="line.106"></a>
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-<span class="sourceLineNo">108</span> cell.getSequenceId());<a name="line.108"></a>
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-<span class="sourceLineNo">124</span> * the same reference to the backing PrefixTreeCell repeatedly, while other implementations may<a name="line.124"></a>
-<span class="sourceLineNo">125</span> * return a different reference for each Cell.<a name="line.125"></a>
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+<span class="sourceLineNo">085</span> return CellUtil.getValueBufferShallowCopy(ptSearcher.current());<a name="line.85"></a>
+<span class="sourceLineNo">086</span> }<a name="line.86"></a>
+<span class="sourceLineNo">087</span><a name="line.87"></a>
+<span class="sourceLineNo">088</span> /**<a name="line.88"></a>
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+<span class="sourceLineNo">092</span> public Cell getCell() {<a name="line.92"></a>
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+<span class="sourceLineNo">094</span> // determines whether we are offheap cell or onheap cell. All other parts of the cell-<a name="line.94"></a>
+<span class="sourceLineNo">095</span> // row, fam and col are all represented as onheap byte[]<a name="line.95"></a>
+<span class="sourceLineNo">096</span> ByteBufferedCell cell = (ByteBufferedCell)ptSearcher.current();<a name="line.96"></a>
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+<span class="sourceLineNo">098</span> return null;<a name="line.98"></a>
+<span class="sourceLineNo">099</span> }<a name="line.99"></a>
+<span class="sourceLineNo">100</span> // Use the ByteBuffered cell to see if the Cell is onheap or offheap<a name="line.100"></a>
+<span class="sourceLineNo">101</span> if (cell.getValueByteBuffer().hasArray()) {<a name="line.101"></a>
+<span class="sourceLineNo">102</span> return new OnheapPrefixTreeCell(cell.getRowArray(), cell.getRowOffset(), cell.getRowLength(),<a name="line.102"></a>
+<span class="sourceLineNo">103</span> cell.getFamilyArray(), cell.getFamilyOffset(), cell.getFamilyLength(),<a name="line.103"></a>
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+<span class="sourceLineNo">105</span> cell.getValueArray(), cell.getValueOffset(), cell.getValueLength(), cell.getTagsArray(),<a name="line.105"></a>
+<span class="sourceLineNo">106</span> cell.getTagsOffset(), cell.getTagsLength(), cell.getTimestamp(), cell.getTypeByte(),<a name="line.106"></a>
+<span class="sourceLineNo">107</span> cell.getSequenceId());<a name="line.107"></a>
+<span class="sourceLineNo">108</span> } else {<a name="line.108"></a>
+<span class="sourceLineNo">109</span> return new OffheapPrefixTreeCell(cell.getRowArray(), cell.getRowOffset(), cell.getRowLength(),<a name="line.109"></a>
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<TRUNCATED>
[46/51] [partial] hbase-site git commit: Published site at
7dabcf23e8dd53f563981e1e03f82336fc0a44da.
Posted by mi...@apache.org.
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/3e48e84d/book.html
----------------------------------------------------------------------
diff --git a/book.html b/book.html
index ae97541..e278127 100644
--- a/book.html
+++ b/book.html
@@ -33211,7 +33211,7 @@ The server will return cellblocks compressed using this same compressor as long
<div id="footer">
<div id="footer-text">
Version 2.0.0-SNAPSHOT<br>
-Last updated 2016-03-03 14:47:28 UTC
+Last updated 2016-03-04 14:49:29 UTC
</div>
</div>
</body>
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/3e48e84d/bulk-loads.html
----------------------------------------------------------------------
diff --git a/bulk-loads.html b/bulk-loads.html
index 4ff8f73..663911e 100644
--- a/bulk-loads.html
+++ b/bulk-loads.html
@@ -7,7 +7,7 @@
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
- <meta name="Date-Revision-yyyymmdd" content="20160303" />
+ <meta name="Date-Revision-yyyymmdd" content="20160304" />
<meta http-equiv="Content-Language" content="en" />
<title>Apache HBase –
Bulk Loads in Apache HBase (TM)
@@ -305,7 +305,7 @@ under the License. -->
<a href="http://www.apache.org/">The Apache Software Foundation</a>.
All rights reserved.
- <li id="publishDate" class="pull-right">Last Published: 2016-03-03</li>
+ <li id="publishDate" class="pull-right">Last Published: 2016-03-04</li>
</p>
</div>
[17/51] [partial] hbase-site git commit: Published site at
7dabcf23e8dd53f563981e1e03f82336fc0a44da.
Posted by mi...@apache.org.
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/3e48e84d/devapidocs/src-html/org/apache/hadoop/hbase/io/encoding/BufferedDataBlockEncoder.OffheapDecodedCell.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/io/encoding/BufferedDataBlockEncoder.OffheapDecodedCell.html b/devapidocs/src-html/org/apache/hadoop/hbase/io/encoding/BufferedDataBlockEncoder.OffheapDecodedCell.html
index d8b6ca7..66dbcf3 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/io/encoding/BufferedDataBlockEncoder.OffheapDecodedCell.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/io/encoding/BufferedDataBlockEncoder.OffheapDecodedCell.html
@@ -31,12 +31,12 @@
<span class="sourceLineNo">023</span>import java.nio.ByteBuffer;<a name="line.23"></a>
<span class="sourceLineNo">024</span><a name="line.24"></a>
<span class="sourceLineNo">025</span>import org.apache.hadoop.hbase.ByteBufferedCell;<a name="line.25"></a>
-<span class="sourceLineNo">026</span>import org.apache.hadoop.hbase.Cell;<a name="line.26"></a>
-<span class="sourceLineNo">027</span>import org.apache.hadoop.hbase.CellComparator;<a name="line.27"></a>
-<span class="sourceLineNo">028</span>import org.apache.hadoop.hbase.CellUtil;<a name="line.28"></a>
-<span class="sourceLineNo">029</span>import org.apache.hadoop.hbase.HConstants;<a name="line.29"></a>
-<span class="sourceLineNo">030</span>import org.apache.hadoop.hbase.KeyValue;<a name="line.30"></a>
-<span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.ByteBufferedKeyOnlyKeyValue;<a name="line.31"></a>
+<span class="sourceLineNo">026</span>import org.apache.hadoop.hbase.ByteBufferedKeyOnlyKeyValue;<a name="line.26"></a>
+<span class="sourceLineNo">027</span>import org.apache.hadoop.hbase.Cell;<a name="line.27"></a>
+<span class="sourceLineNo">028</span>import org.apache.hadoop.hbase.CellComparator;<a name="line.28"></a>
+<span class="sourceLineNo">029</span>import org.apache.hadoop.hbase.CellUtil;<a name="line.29"></a>
+<span class="sourceLineNo">030</span>import org.apache.hadoop.hbase.HConstants;<a name="line.30"></a>
+<span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.KeyValue;<a name="line.31"></a>
<span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.KeyValue.Type;<a name="line.32"></a>
<span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.KeyValueUtil;<a name="line.33"></a>
<span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.SettableSequenceId;<a name="line.34"></a>
@@ -60,1113 +60,1115 @@
<span class="sourceLineNo">052</span> */<a name="line.52"></a>
<span class="sourceLineNo">053</span>@InterfaceAudience.Private<a name="line.53"></a>
<span class="sourceLineNo">054</span>abstract class BufferedDataBlockEncoder implements DataBlockEncoder {<a name="line.54"></a>
-<span class="sourceLineNo">055</span><a name="line.55"></a>
-<span class="sourceLineNo">056</span> private static int INITIAL_KEY_BUFFER_SIZE = 512;<a name="line.56"></a>
-<span class="sourceLineNo">057</span><a name="line.57"></a>
-<span class="sourceLineNo">058</span> @Override<a name="line.58"></a>
-<span class="sourceLineNo">059</span> public ByteBuffer decodeKeyValues(DataInputStream source,<a name="line.59"></a>
-<span class="sourceLineNo">060</span> HFileBlockDecodingContext blkDecodingCtx) throws IOException {<a name="line.60"></a>
-<span class="sourceLineNo">061</span> if (blkDecodingCtx.getClass() != HFileBlockDefaultDecodingContext.class) {<a name="line.61"></a>
-<span class="sourceLineNo">062</span> throw new IOException(this.getClass().getName() + " only accepts "<a name="line.62"></a>
-<span class="sourceLineNo">063</span> + HFileBlockDefaultDecodingContext.class.getName() + " as the decoding context.");<a name="line.63"></a>
-<span class="sourceLineNo">064</span> }<a name="line.64"></a>
-<span class="sourceLineNo">065</span><a name="line.65"></a>
-<span class="sourceLineNo">066</span> HFileBlockDefaultDecodingContext decodingCtx =<a name="line.66"></a>
-<span class="sourceLineNo">067</span> (HFileBlockDefaultDecodingContext) blkDecodingCtx;<a name="line.67"></a>
-<span class="sourceLineNo">068</span> if (decodingCtx.getHFileContext().isIncludesTags()<a name="line.68"></a>
-<span class="sourceLineNo">069</span> && decodingCtx.getHFileContext().isCompressTags()) {<a name="line.69"></a>
-<span class="sourceLineNo">070</span> if (decodingCtx.getTagCompressionContext() != null) {<a name="line.70"></a>
-<span class="sourceLineNo">071</span> // It will be overhead to create the TagCompressionContext again and again for every block<a name="line.71"></a>
-<span class="sourceLineNo">072</span> // decoding.<a name="line.72"></a>
-<span class="sourceLineNo">073</span> decodingCtx.getTagCompressionContext().clear();<a name="line.73"></a>
-<span class="sourceLineNo">074</span> } else {<a name="line.74"></a>
-<span class="sourceLineNo">075</span> try {<a name="line.75"></a>
-<span class="sourceLineNo">076</span> TagCompressionContext tagCompressionContext = new TagCompressionContext(<a name="line.76"></a>
-<span class="sourceLineNo">077</span> LRUDictionary.class, Byte.MAX_VALUE);<a name="line.77"></a>
-<span class="sourceLineNo">078</span> decodingCtx.setTagCompressionContext(tagCompressionContext);<a name="line.78"></a>
-<span class="sourceLineNo">079</span> } catch (Exception e) {<a name="line.79"></a>
-<span class="sourceLineNo">080</span> throw new IOException("Failed to initialize TagCompressionContext", e);<a name="line.80"></a>
-<span class="sourceLineNo">081</span> }<a name="line.81"></a>
-<span class="sourceLineNo">082</span> }<a name="line.82"></a>
-<span class="sourceLineNo">083</span> }<a name="line.83"></a>
-<span class="sourceLineNo">084</span> return internalDecodeKeyValues(source, 0, 0, decodingCtx);<a name="line.84"></a>
-<span class="sourceLineNo">085</span> }<a name="line.85"></a>
-<span class="sourceLineNo">086</span><a name="line.86"></a>
-<span class="sourceLineNo">087</span> /********************* common prefixes *************************/<a name="line.87"></a>
-<span class="sourceLineNo">088</span> // Having this as static is fine but if META is having DBE then we should<a name="line.88"></a>
-<span class="sourceLineNo">089</span> // change this.<a name="line.89"></a>
-<span class="sourceLineNo">090</span> public static int compareCommonRowPrefix(Cell left, Cell right, int rowCommonPrefix) {<a name="line.90"></a>
-<span class="sourceLineNo">091</span> return Bytes.compareTo(left.getRowArray(), left.getRowOffset() + rowCommonPrefix,<a name="line.91"></a>
-<span class="sourceLineNo">092</span> left.getRowLength() - rowCommonPrefix, right.getRowArray(), right.getRowOffset()<a name="line.92"></a>
-<span class="sourceLineNo">093</span> + rowCommonPrefix, right.getRowLength() - rowCommonPrefix);<a name="line.93"></a>
-<span class="sourceLineNo">094</span> }<a name="line.94"></a>
-<span class="sourceLineNo">095</span><a name="line.95"></a>
-<span class="sourceLineNo">096</span> public static int compareCommonFamilyPrefix(Cell left, Cell right, int familyCommonPrefix) {<a name="line.96"></a>
-<span class="sourceLineNo">097</span> return Bytes.compareTo(left.getFamilyArray(), left.getFamilyOffset() + familyCommonPrefix,<a name="line.97"></a>
-<span class="sourceLineNo">098</span> left.getFamilyLength() - familyCommonPrefix, right.getFamilyArray(),<a name="line.98"></a>
-<span class="sourceLineNo">099</span> right.getFamilyOffset() + familyCommonPrefix, right.getFamilyLength() - familyCommonPrefix);<a name="line.99"></a>
-<span class="sourceLineNo">100</span> }<a name="line.100"></a>
-<span class="sourceLineNo">101</span><a name="line.101"></a>
-<span class="sourceLineNo">102</span> public static int compareCommonQualifierPrefix(Cell left, Cell right, int qualCommonPrefix) {<a name="line.102"></a>
-<span class="sourceLineNo">103</span> return Bytes.compareTo(left.getQualifierArray(), left.getQualifierOffset() + qualCommonPrefix,<a name="line.103"></a>
-<span class="sourceLineNo">104</span> left.getQualifierLength() - qualCommonPrefix, right.getQualifierArray(),<a name="line.104"></a>
-<span class="sourceLineNo">105</span> right.getQualifierOffset() + qualCommonPrefix, right.getQualifierLength()<a name="line.105"></a>
-<span class="sourceLineNo">106</span> - qualCommonPrefix);<a name="line.106"></a>
-<span class="sourceLineNo">107</span> }<a name="line.107"></a>
-<span class="sourceLineNo">108</span><a name="line.108"></a>
-<span class="sourceLineNo">109</span> protected static class SeekerState {<a name="line.109"></a>
-<span class="sourceLineNo">110</span> protected ByteBuff currentBuffer;<a name="line.110"></a>
-<span class="sourceLineNo">111</span> protected TagCompressionContext tagCompressionContext;<a name="line.111"></a>
-<span class="sourceLineNo">112</span> protected int valueOffset = -1;<a name="line.112"></a>
-<span class="sourceLineNo">113</span> protected int keyLength;<a name="line.113"></a>
-<span class="sourceLineNo">114</span> protected int valueLength;<a name="line.114"></a>
-<span class="sourceLineNo">115</span> protected int lastCommonPrefix;<a name="line.115"></a>
-<span class="sourceLineNo">116</span> protected int tagsLength = 0;<a name="line.116"></a>
-<span class="sourceLineNo">117</span> protected int tagsOffset = -1;<a name="line.117"></a>
-<span class="sourceLineNo">118</span> protected int tagsCompressedLength = 0;<a name="line.118"></a>
-<span class="sourceLineNo">119</span> protected boolean uncompressTags = true;<a name="line.119"></a>
-<span class="sourceLineNo">120</span><a name="line.120"></a>
-<span class="sourceLineNo">121</span> /** We need to store a copy of the key. */<a name="line.121"></a>
-<span class="sourceLineNo">122</span> protected byte[] keyBuffer = new byte[INITIAL_KEY_BUFFER_SIZE];<a name="line.122"></a>
-<span class="sourceLineNo">123</span> protected byte[] tagsBuffer = new byte[INITIAL_KEY_BUFFER_SIZE];<a name="line.123"></a>
-<span class="sourceLineNo">124</span><a name="line.124"></a>
-<span class="sourceLineNo">125</span> protected long memstoreTS;<a name="line.125"></a>
-<span class="sourceLineNo">126</span> protected int nextKvOffset;<a name="line.126"></a>
-<span class="sourceLineNo">127</span> protected KeyValue.KeyOnlyKeyValue currentKey = new KeyValue.KeyOnlyKeyValue();<a name="line.127"></a>
-<span class="sourceLineNo">128</span> // A temp pair object which will be reused by ByteBuff#asSubByteBuffer calls. This avoids too<a name="line.128"></a>
-<span class="sourceLineNo">129</span> // many object creations.<a name="line.129"></a>
-<span class="sourceLineNo">130</span> private final ObjectIntPair<ByteBuffer> tmpPair;<a name="line.130"></a>
-<span class="sourceLineNo">131</span> private final boolean includeTags;<a name="line.131"></a>
-<span class="sourceLineNo">132</span><a name="line.132"></a>
-<span class="sourceLineNo">133</span> public SeekerState(ObjectIntPair<ByteBuffer> tmpPair, boolean includeTags) {<a name="line.133"></a>
-<span class="sourceLineNo">134</span> this.tmpPair = tmpPair;<a name="line.134"></a>
-<span class="sourceLineNo">135</span> this.includeTags = includeTags;<a name="line.135"></a>
-<span class="sourceLineNo">136</span> }<a name="line.136"></a>
-<span class="sourceLineNo">137</span><a name="line.137"></a>
-<span class="sourceLineNo">138</span> protected boolean isValid() {<a name="line.138"></a>
-<span class="sourceLineNo">139</span> return valueOffset != -1;<a name="line.139"></a>
-<span class="sourceLineNo">140</span> }<a name="line.140"></a>
-<span class="sourceLineNo">141</span><a name="line.141"></a>
-<span class="sourceLineNo">142</span> protected void invalidate() {<a name="line.142"></a>
-<span class="sourceLineNo">143</span> valueOffset = -1;<a name="line.143"></a>
-<span class="sourceLineNo">144</span> tagsCompressedLength = 0;<a name="line.144"></a>
-<span class="sourceLineNo">145</span> currentKey = new KeyValue.KeyOnlyKeyValue();<a name="line.145"></a>
-<span class="sourceLineNo">146</span> uncompressTags = true;<a name="line.146"></a>
-<span class="sourceLineNo">147</span> currentBuffer = null;<a name="line.147"></a>
-<span class="sourceLineNo">148</span> }<a name="line.148"></a>
-<span class="sourceLineNo">149</span><a name="line.149"></a>
-<span class="sourceLineNo">150</span> protected void ensureSpaceForKey() {<a name="line.150"></a>
-<span class="sourceLineNo">151</span> if (keyLength > keyBuffer.length) {<a name="line.151"></a>
-<span class="sourceLineNo">152</span> // rare case, but we need to handle arbitrary length of key<a name="line.152"></a>
-<span class="sourceLineNo">153</span> int newKeyBufferLength = Math.max(keyBuffer.length, 1) * 2;<a name="line.153"></a>
-<span class="sourceLineNo">154</span> while (keyLength > newKeyBufferLength) {<a name="line.154"></a>
-<span class="sourceLineNo">155</span> newKeyBufferLength *= 2;<a name="line.155"></a>
-<span class="sourceLineNo">156</span> }<a name="line.156"></a>
-<span class="sourceLineNo">157</span> byte[] newKeyBuffer = new byte[newKeyBufferLength];<a name="line.157"></a>
-<span class="sourceLineNo">158</span> System.arraycopy(keyBuffer, 0, newKeyBuffer, 0, keyBuffer.length);<a name="line.158"></a>
-<span class="sourceLineNo">159</span> keyBuffer = newKeyBuffer;<a name="line.159"></a>
-<span class="sourceLineNo">160</span> }<a name="line.160"></a>
-<span class="sourceLineNo">161</span> }<a name="line.161"></a>
-<span class="sourceLineNo">162</span><a name="line.162"></a>
-<span class="sourceLineNo">163</span> protected void ensureSpaceForTags() {<a name="line.163"></a>
-<span class="sourceLineNo">164</span> if (tagsLength > tagsBuffer.length) {<a name="line.164"></a>
-<span class="sourceLineNo">165</span> // rare case, but we need to handle arbitrary length of tags<a name="line.165"></a>
-<span class="sourceLineNo">166</span> int newTagsBufferLength = Math.max(tagsBuffer.length, 1) * 2;<a name="line.166"></a>
-<span class="sourceLineNo">167</span> while (tagsLength > newTagsBufferLength) {<a name="line.167"></a>
-<span class="sourceLineNo">168</span> newTagsBufferLength *= 2;<a name="line.168"></a>
-<span class="sourceLineNo">169</span> }<a name="line.169"></a>
-<span class="sourceLineNo">170</span> byte[] newTagsBuffer = new byte[newTagsBufferLength];<a name="line.170"></a>
-<span class="sourceLineNo">171</span> System.arraycopy(tagsBuffer, 0, newTagsBuffer, 0, tagsBuffer.length);<a name="line.171"></a>
-<span class="sourceLineNo">172</span> tagsBuffer = newTagsBuffer;<a name="line.172"></a>
-<span class="sourceLineNo">173</span> }<a name="line.173"></a>
-<span class="sourceLineNo">174</span> }<a name="line.174"></a>
-<span class="sourceLineNo">175</span><a name="line.175"></a>
-<span class="sourceLineNo">176</span> protected void setKey(byte[] keyBuffer, long memTS) {<a name="line.176"></a>
-<span class="sourceLineNo">177</span> currentKey.setKey(keyBuffer, 0, keyLength);<a name="line.177"></a>
-<span class="sourceLineNo">178</span> memstoreTS = memTS;<a name="line.178"></a>
-<span class="sourceLineNo">179</span> }<a name="line.179"></a>
-<span class="sourceLineNo">180</span><a name="line.180"></a>
-<span class="sourceLineNo">181</span> /**<a name="line.181"></a>
-<span class="sourceLineNo">182</span> * Copy the state from the next one into this instance (the previous state<a name="line.182"></a>
-<span class="sourceLineNo">183</span> * placeholder). Used to save the previous state when we are advancing the<a name="line.183"></a>
-<span class="sourceLineNo">184</span> * seeker to the next key/value.<a name="line.184"></a>
-<span class="sourceLineNo">185</span> */<a name="line.185"></a>
-<span class="sourceLineNo">186</span> protected void copyFromNext(SeekerState nextState) {<a name="line.186"></a>
-<span class="sourceLineNo">187</span> if (keyBuffer.length != nextState.keyBuffer.length) {<a name="line.187"></a>
-<span class="sourceLineNo">188</span> keyBuffer = nextState.keyBuffer.clone();<a name="line.188"></a>
-<span class="sourceLineNo">189</span> } else if (!isValid()) {<a name="line.189"></a>
-<span class="sourceLineNo">190</span> // Note: we can only call isValid before we override our state, so this<a name="line.190"></a>
-<span class="sourceLineNo">191</span> // comes before all the assignments at the end of this method.<a name="line.191"></a>
-<span class="sourceLineNo">192</span> System.arraycopy(nextState.keyBuffer, 0, keyBuffer, 0,<a name="line.192"></a>
-<span class="sourceLineNo">193</span> nextState.keyLength);<a name="line.193"></a>
-<span class="sourceLineNo">194</span> } else {<a name="line.194"></a>
-<span class="sourceLineNo">195</span> // don't copy the common prefix between this key and the previous one<a name="line.195"></a>
-<span class="sourceLineNo">196</span> System.arraycopy(nextState.keyBuffer, nextState.lastCommonPrefix,<a name="line.196"></a>
-<span class="sourceLineNo">197</span> keyBuffer, nextState.lastCommonPrefix, nextState.keyLength<a name="line.197"></a>
-<span class="sourceLineNo">198</span> - nextState.lastCommonPrefix);<a name="line.198"></a>
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-<span class="sourceLineNo">200</span> currentKey = nextState.currentKey;<a name="line.200"></a>
-<span class="sourceLineNo">201</span><a name="line.201"></a>
-<span class="sourceLineNo">202</span> valueOffset = nextState.valueOffset;<a name="line.202"></a>
-<span class="sourceLineNo">203</span> keyLength = nextState.keyLength;<a name="line.203"></a>
-<span class="sourceLineNo">204</span> valueLength = nextState.valueLength;<a name="line.204"></a>
-<span class="sourceLineNo">205</span> lastCommonPrefix = nextState.lastCommonPrefix;<a name="line.205"></a>
-<span class="sourceLineNo">206</span> nextKvOffset = nextState.nextKvOffset;<a name="line.206"></a>
-<span class="sourceLineNo">207</span> memstoreTS = nextState.memstoreTS;<a name="line.207"></a>
-<span class="sourceLineNo">208</span> currentBuffer = nextState.currentBuffer;<a name="line.208"></a>
-<span class="sourceLineNo">209</span> tagsOffset = nextState.tagsOffset;<a name="line.209"></a>
-<span class="sourceLineNo">210</span> tagsLength = nextState.tagsLength;<a name="line.210"></a>
-<span class="sourceLineNo">211</span> if (nextState.tagCompressionContext != null) {<a name="line.211"></a>
-<span class="sourceLineNo">212</span> tagCompressionContext = nextState.tagCompressionContext;<a name="line.212"></a>
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-<span class="sourceLineNo">214</span> }<a name="line.214"></a>
-<span class="sourceLineNo">215</span><a name="line.215"></a>
-<span class="sourceLineNo">216</span> public Cell toCell() {<a name="line.216"></a>
-<span class="sourceLineNo">217</span> // Buffer backing the value and tags part from the HFileBlock's buffer<a name="line.217"></a>
-<span class="sourceLineNo">218</span> // When tag compression in use, this will be only the value bytes area.<a name="line.218"></a>
-<span class="sourceLineNo">219</span> ByteBuffer valAndTagsBuffer;<a name="line.219"></a>
-<span class="sourceLineNo">220</span> int vOffset;<a name="line.220"></a>
-<span class="sourceLineNo">221</span> int valAndTagsLength = this.valueLength;<a name="line.221"></a>
-<span class="sourceLineNo">222</span> int tagsLenSerializationSize = 0;<a name="line.222"></a>
-<span class="sourceLineNo">223</span> if (this.includeTags && this.tagCompressionContext == null) {<a name="line.223"></a>
-<span class="sourceLineNo">224</span> // Include the tags part also. This will be the tags bytes + 2 bytes of for storing tags<a name="line.224"></a>
-<span class="sourceLineNo">225</span> // length<a name="line.225"></a>
-<span class="sourceLineNo">226</span> tagsLenSerializationSize = this.tagsOffset - (this.valueOffset + this.valueLength);<a name="line.226"></a>
-<span class="sourceLineNo">227</span> valAndTagsLength += tagsLenSerializationSize + this.tagsLength;<a name="line.227"></a>
-<span class="sourceLineNo">228</span> }<a name="line.228"></a>
-<span class="sourceLineNo">229</span> this.currentBuffer.asSubByteBuffer(this.valueOffset, valAndTagsLength, this.tmpPair);<a name="line.229"></a>
-<span class="sourceLineNo">230</span> valAndTagsBuffer = this.tmpPair.getFirst();<a name="line.230"></a>
-<span class="sourceLineNo">231</span> vOffset = this.tmpPair.getSecond();// This is the offset to value part in the BB<a name="line.231"></a>
-<span class="sourceLineNo">232</span> if (valAndTagsBuffer.hasArray()) {<a name="line.232"></a>
-<span class="sourceLineNo">233</span> return toOnheapCell(valAndTagsBuffer, vOffset, tagsLenSerializationSize);<a name="line.233"></a>
-<span class="sourceLineNo">234</span> } else {<a name="line.234"></a>
-<span class="sourceLineNo">235</span> return toOffheapCell(valAndTagsBuffer, vOffset, tagsLenSerializationSize);<a name="line.235"></a>
-<span class="sourceLineNo">236</span> }<a name="line.236"></a>
-<span class="sourceLineNo">237</span> }<a name="line.237"></a>
-<span class="sourceLineNo">238</span><a name="line.238"></a>
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-<span class="sourceLineNo">240</span> int tagsLenSerializationSize) {<a name="line.240"></a>
-<span class="sourceLineNo">241</span> byte[] tagsArray = HConstants.EMPTY_BYTE_ARRAY;<a name="line.241"></a>
-<span class="sourceLineNo">242</span> int tOffset = 0;<a name="line.242"></a>
-<span class="sourceLineNo">243</span> if (this.includeTags) {<a name="line.243"></a>
-<span class="sourceLineNo">244</span> if (this.tagCompressionContext == null) {<a name="line.244"></a>
-<span class="sourceLineNo">245</span> tagsArray = valAndTagsBuffer.array();<a name="line.245"></a>
-<span class="sourceLineNo">246</span> tOffset = valAndTagsBuffer.arrayOffset() + vOffset + this.valueLength<a name="line.246"></a>
-<span class="sourceLineNo">247</span> + tagsLenSerializationSize;<a name="line.247"></a>
-<span class="sourceLineNo">248</span> } else {<a name="line.248"></a>
-<span class="sourceLineNo">249</span> tagsArray = Bytes.copy(tagsBuffer, 0, this.tagsLength);<a name="line.249"></a>
-<span class="sourceLineNo">250</span> tOffset = 0;<a name="line.250"></a>
-<span class="sourceLineNo">251</span> }<a name="line.251"></a>
-<span class="sourceLineNo">252</span> }<a name="line.252"></a>
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<TRUNCATED>
[24/51] [partial] hbase-site git commit: Published site at
7dabcf23e8dd53f563981e1e03f82336fc0a44da.
Posted by mi...@apache.org.
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/3e48e84d/devapidocs/src-html/org/apache/hadoop/hbase/HConstants.OperationStatusCode.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/HConstants.OperationStatusCode.html b/devapidocs/src-html/org/apache/hadoop/hbase/HConstants.OperationStatusCode.html
index de0d003..ea9c5c4 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/HConstants.OperationStatusCode.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/HConstants.OperationStatusCode.html
@@ -73,1205 +73,1207 @@
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-<span class="sourceLineNo">082</span> //End HFileBlockConstants.<a name="line.82"></a>
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+<span class="sourceLineNo">072</span> /** The size data structures with minor version is 0 */<a name="line.72"></a>
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<span class="sourceLineNo">443</span> /** The startcode column qualifier */<a name="line.443"></a>
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-<span class="sourceLineNo">447</span> public static final String SEQNUM_QUALIFIER_STR = "seqnumDuringOpen";<a name="line.447"></a>
+<span class="sourceLineNo">444</span> public static final String STARTCODE_QUALIFIER_STR = "serverstartcode";<a name="line.444"></a>
+<span class="sourceLineNo">445</span> /** The startcode column qualifier */<a name="line.445"></a>
+<span class="sourceLineNo">446</span> public static final byte [] STARTCODE_QUALIFIER = Bytes.toBytes(STARTCODE_QUALIFIER_STR);<a name="line.446"></a>
+<span class="sourceLineNo">447</span><a name="line.447"></a>
<span class="sourceLineNo">448</span> /** The open seqnum column qualifier */<a name="line.448"></a>
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-<span class="sourceLineNo">454</span> public static final byte [] STATE_QUALIFIER = Bytes.toBytes(STATE_QUALIFIER_STR);<a name="line.454"></a>
+<span class="sourceLineNo">449</span> public static final String SEQNUM_QUALIFIER_STR = "seqnumDuringOpen";<a name="line.449"></a>
+<span class="sourceLineNo">450</span> /** The open seqnum column qualifier */<a name="line.450"></a>
+<span class="sourceLineNo">451</span> public static final byte [] SEQNUM_QUALIFIER = Bytes.toBytes(SEQNUM_QUALIFIER_STR);<a name="line.451"></a>
+<span class="sourceLineNo">452</span><a name="line.452"></a>
+<span class="sourceLineNo">453</span> /** The state column qualifier */<a name="line.453"></a>
+<span class="sourceLineNo">454</span> public static final String STATE_QUALIFIER_STR = "state";<a name="line.454"></a>
<span class="sourceLineNo">455</span><a name="line.455"></a>
-<span class="sourceLineNo">456</span> /**<a name="line.456"></a>
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-<span class="sourceLineNo">463</span> public static final byte [] SERVERNAME_QUALIFIER = Bytes.toBytes(SERVERNAME_QUALIFIER_STR);<a name="line.463"></a>
+<span class="sourceLineNo">456</span> public static final byte [] STATE_QUALIFIER = Bytes.toBytes(STATE_QUALIFIER_STR);<a name="line.456"></a>
+<span class="sourceLineNo">457</span><a name="line.457"></a>
+<span class="sourceLineNo">458</span> /**<a name="line.458"></a>
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+<span class="sourceLineNo">460</span> * transitioning on, while column server is the server where the region is<a name="line.460"></a>
+<span class="sourceLineNo">461</span> * opened on. They are the same when the region is in state OPEN.<a name="line.461"></a>
+<span class="sourceLineNo">462</span> */<a name="line.462"></a>
+<span class="sourceLineNo">463</span> public static final String SERVERNAME_QUALIFIER_STR = "sn";<a name="line.463"></a>
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-<span class="sourceLineNo">476</span><a name="line.476"></a>
-<span class="sourceLineNo">477</span> /** The catalog family as a string*/<a name="line.477"></a>
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-<span class="sourceLineNo">479</span><a name="line.479"></a>
-<span class="sourceLineNo">480</span> /** The catalog family */<a name="line.480"></a>
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-<span class="sourceLineNo">482</span><a name="line.482"></a>
-<span class="sourceLineNo">483</span> /** The serialized table state qualifier */<a name="line.483"></a>
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-<span class="sourceLineNo">486</span><a name="line.486"></a>
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-<span class="sourceLineNo">489</span> * We keep current version of the meta table in this column in <code>-ROOT-</code><a name="line.489"></a>
-<span class="sourceLineNo">490</span> * table: i.e. in the 'info:v' column.<a name="line.490"></a>
-<span class="sourceLineNo">491</span> */<a name="line.491"></a>
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-<span class="sourceLineNo">494</span> /**<a name="line.494"></a>
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-<span class="sourceLineNo">497</span> * in this case. The meta has HTableDescriptor serialized into the HRegionInfo;<a name="line.497"></a>
-<span class="sourceLineNo">498</span> * - version 0 is 0.92 and 0.94. Meta data has serialized HRegionInfo's using<a name="line.498"></a>
-<span class="sourceLineNo">499</span> * Writable serialization, and HRegionInfo's does not contain HTableDescriptors.<a name="line.499"></a>
-<span class="sourceLineNo">500</span> * - version 1 for 0.96+ keeps HRegionInfo data structures, but changes the<a name="line.500"></a>
-<span class="sourceLineNo">501</span> * byte[] serialization from Writables to Protobuf.<a name="line.501"></a>
-<span class="sourceLineNo">502</span> * See HRegionInfo.VERSION<a name="line.502"></a>
-<span class="sourceLineNo">503</span> */<a name="line.503"></a>
-<span class="sourceLineNo">504</span> public static final short META_VERSION = 1;<a name="line.504"></a>
-<span class="sourceLineNo">505</span><a name="line.505"></a>
-<span class="sourceLineNo">506</span> // Other constants<a name="line.506"></a>
+<span class="sourceLineNo">465</span> public static final byte [] SERVERNAME_QUALIFIER = Bytes.toBytes(SERVERNAME_QUALIFIER_STR);<a name="line.465"></a>
+<span class="sourceLineNo">466</span><a name="line.466"></a>
+<span class="sourceLineNo">467</span> /** The lower-half split region column qualifier */<a name="line.467"></a>
+<span class="sourceLineNo">468</span> public static final byte [] SPLITA_QUALIFIER = Bytes.toBytes("splitA");<a name="line.468"></a>
+<span class="sourceLineNo">469</span><a name="line.469"></a>
+<span class="sourceLineNo">470</span> /** The upper-half split region column qualifier */<a name="line.470"></a>
+<span class="sourceLineNo">471</span> public static final byte [] SPLITB_QUALIFIER = Bytes.toBytes("splitB");<a name="line.471"></a>
+<span class="sourceLineNo">472</span><a name="line.472"></a>
+<span class="sourceLineNo">473</span> /** The lower-half merge region column qualifier */<a name="line.473"></a>
+<span class="sourceLineNo">474</span> public static final byte[] MERGEA_QUALIFIER = Bytes.toBytes("mergeA");<a name="line.474"></a>
+<span class="sourceLineNo">475</span><a name="line.475"></a>
+<span class="sourceLineNo">476</span> /** The upper-half merge region column qualifier */<a name="line.476"></a>
+<span class="sourceLineNo">477</span> public static final byte[] MERGEB_QUALIFIER = Bytes.toBytes("mergeB");<a name="line.477"></a>
+<span class="sourceLineNo">478</span><a name="line.478"></a>
+<span class="sourceLineNo">479</span> /** The catalog family as a string*/<a name="line.479"></a>
+<span class="sourceLineNo">480</span> public static final String TABLE_FAMILY_STR = "table";<a name="line.480"></a>
+<span class="sourceLineNo">481</span><a name="line.481"></a>
+<span class="sourceLineNo">482</span> /** The catalog family */<a name="line.482"></a>
+<span class="sourceLineNo">483</span> public static final byte [] TABLE_FAMILY = Bytes.toBytes(TABLE_FAMILY_STR);<a name="line.483"></a>
+<span class="sourceLineNo">484</span><a name="line.484"></a>
+<span class="sourceLineNo">485</span> /** The serialized table state qualifier */<a name="line.485"></a>
+<span class="sourceLineNo">486</span> public static final byte[] TABLE_STATE_QUALIFIER = Bytes.toBytes("state");<a name="line.486"></a>
+<span class="sourceLineNo">487</span><a name="line.487"></a>
+<span class="sourceLineNo">488</span><a name="line.488"></a>
+<span class="sourceLineNo">489</span> /**<a name="line.489"></a>
+<span class="sourceLineNo">490</span> * The meta table version column qualifier.<a name="line.490"></a>
+<span class="sourceLineNo">491</span> * We keep current version of the meta table in this column in <code>-ROOT-</code><a name="line.491"></a>
+<span class="sourceLineNo">492</span> * table: i.e. in the 'info:v' column.<a name="line.492"></a>
+<span class="sourceLineNo">493</span> */<a name="line.493"></a>
+<span class="sourceLineNo">494</span> public static final byte [] META_VERSION_QUALIFIER = Bytes.toBytes("v");<a name="line.494"></a>
+<span class="sourceLineNo">495</span><a name="line.495"></a>
+<span class="sourceLineNo">496</span> /**<a name="line.496"></a>
+<span class="sourceLineNo">497</span> * The current version of the meta table.<a name="line.497"></a>
+<span class="sourceLineNo">498</span> * - pre-hbase 0.92. There is no META_VERSION column in the root table<a name="line.498"></a>
+<span class="sourceLineNo">499</span> * in this case. The meta has HTableDescriptor serialized into the HRegionInfo;<a name="line.499"></a>
+<span class="sourceLineNo">500</span> * - version 0 is 0.92 and 0.94. Meta data has serialized HRegionInfo's using<a name="line.500"></a>
+<span class="sourceLineNo">501</span> * Writable serialization, and HRegionInfo's does not contain HTableDescriptors.<a name="line.501"></a>
+<span class="sourceLineNo">502</span> * - version 1 for 0.96+ keeps HRegionInfo data structures, but changes the<a name="line.502"></a>
+<span class="sourceLineNo">503</span> * byte[] serialization from Writables to Protobuf.<a name="line.503"></a>
+<span class="sourceLineNo">504</span> * See HRegionInfo.VERSION<a name="line.504"></a>
+<span class="sourceLineNo">505</span> */<a name="line.505"></a>
+<span class="sourceLineNo">506</span> public static final short META_VERSION = 1;<a name="line.506"></a>
<span class=
<TRUNCATED>
[05/51] [partial] hbase-site git commit: Published site at
7dabcf23e8dd53f563981e1e03f82336fc0a44da.
Posted by mi...@apache.org.
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/3e48e84d/devapidocs/src-html/org/apache/hadoop/hbase/io/hfile/HFile.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/io/hfile/HFile.html b/devapidocs/src-html/org/apache/hadoop/hbase/io/hfile/HFile.html
index 8fd15a0..da22771 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/io/hfile/HFile.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/io/hfile/HFile.html
@@ -186,741 +186,742 @@
<span class="sourceLineNo">178</span> * The number of bytes per checksum.<a name="line.178"></a>
<span class="sourceLineNo">179</span> */<a name="line.179"></a>
<span class="sourceLineNo">180</span> public static final int DEFAULT_BYTES_PER_CHECKSUM = 16 * 1024;<a name="line.180"></a>
-<span class="sourceLineNo">181</span> // For measuring number of checksum failures<a name="line.181"></a>
-<span class="sourceLineNo">182</span> static final Counter checksumFailures = new Counter();<a name="line.182"></a>
-<span class="sourceLineNo">183</span><a name="line.183"></a>
-<span class="sourceLineNo">184</span> // for test purpose<a name="line.184"></a>
-<span class="sourceLineNo">185</span> public static final Counter dataBlockReadCnt = new Counter();<a name="line.185"></a>
-<span class="sourceLineNo">186</span><a name="line.186"></a>
-<span class="sourceLineNo">187</span> /**<a name="line.187"></a>
-<span class="sourceLineNo">188</span> * Number of checksum verification failures. It also<a name="line.188"></a>
-<span class="sourceLineNo">189</span> * clears the counter.<a name="line.189"></a>
-<span class="sourceLineNo">190</span> */<a name="line.190"></a>
-<span class="sourceLineNo">191</span> public static final long getChecksumFailuresCount() {<a name="line.191"></a>
-<span class="sourceLineNo">192</span> long count = checksumFailures.get();<a name="line.192"></a>
-<span class="sourceLineNo">193</span> checksumFailures.set(0);<a name="line.193"></a>
-<span class="sourceLineNo">194</span> return count;<a name="line.194"></a>
-<span class="sourceLineNo">195</span> }<a name="line.195"></a>
-<span class="sourceLineNo">196</span><a name="line.196"></a>
-<span class="sourceLineNo">197</span> /** API required to write an {@link HFile} */<a name="line.197"></a>
-<span class="sourceLineNo">198</span> public interface Writer extends Closeable {<a name="line.198"></a>
-<span class="sourceLineNo">199</span> /** Max memstore (mvcc) timestamp in FileInfo */<a name="line.199"></a>
-<span class="sourceLineNo">200</span> public static final byte [] MAX_MEMSTORE_TS_KEY = Bytes.toBytes("MAX_MEMSTORE_TS_KEY");<a name="line.200"></a>
-<span class="sourceLineNo">201</span><a name="line.201"></a>
-<span class="sourceLineNo">202</span> /** Add an element to the file info map. */<a name="line.202"></a>
-<span class="sourceLineNo">203</span> void appendFileInfo(byte[] key, byte[] value) throws IOException;<a name="line.203"></a>
-<span class="sourceLineNo">204</span><a name="line.204"></a>
-<span class="sourceLineNo">205</span> void append(Cell cell) throws IOException;<a name="line.205"></a>
-<span class="sourceLineNo">206</span><a name="line.206"></a>
-<span class="sourceLineNo">207</span> /** @return the path to this {@link HFile} */<a name="line.207"></a>
-<span class="sourceLineNo">208</span> Path getPath();<a name="line.208"></a>
-<span class="sourceLineNo">209</span><a name="line.209"></a>
-<span class="sourceLineNo">210</span> /**<a name="line.210"></a>
-<span class="sourceLineNo">211</span> * Adds an inline block writer such as a multi-level block index writer or<a name="line.211"></a>
-<span class="sourceLineNo">212</span> * a compound Bloom filter writer.<a name="line.212"></a>
-<span class="sourceLineNo">213</span> */<a name="line.213"></a>
-<span class="sourceLineNo">214</span> void addInlineBlockWriter(InlineBlockWriter bloomWriter);<a name="line.214"></a>
-<span class="sourceLineNo">215</span><a name="line.215"></a>
-<span class="sourceLineNo">216</span> // The below three methods take Writables. We'd like to undo Writables but undoing the below would be pretty<a name="line.216"></a>
-<span class="sourceLineNo">217</span> // painful. Could take a byte [] or a Message but we want to be backward compatible around hfiles so would need<a name="line.217"></a>
-<span class="sourceLineNo">218</span> // to map between Message and Writable or byte [] and current Writable serialization. This would be a bit of work<a name="line.218"></a>
-<span class="sourceLineNo">219</span> // to little gain. Thats my thinking at moment. St.Ack 20121129<a name="line.219"></a>
-<span class="sourceLineNo">220</span><a name="line.220"></a>
-<span class="sourceLineNo">221</span> void appendMetaBlock(String bloomFilterMetaKey, Writable metaWriter);<a name="line.221"></a>
-<span class="sourceLineNo">222</span><a name="line.222"></a>
-<span class="sourceLineNo">223</span> /**<a name="line.223"></a>
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-<span class="sourceLineNo">225</span> * internals but is necessary, since Bloom filters are stored differently<a name="line.225"></a>
-<span class="sourceLineNo">226</span> * in HFile version 1 and version 2.<a name="line.226"></a>
-<span class="sourceLineNo">227</span> */<a name="line.227"></a>
-<span class="sourceLineNo">228</span> void addGeneralBloomFilter(BloomFilterWriter bfw);<a name="line.228"></a>
-<span class="sourceLineNo">229</span><a name="line.229"></a>
-<span class="sourceLineNo">230</span> /**<a name="line.230"></a>
-<span class="sourceLineNo">231</span> * Store delete family Bloom filter in the file, which is only supported in<a name="line.231"></a>
-<span class="sourceLineNo">232</span> * HFile V2.<a name="line.232"></a>
-<span class="sourceLineNo">233</span> */<a name="line.233"></a>
-<span class="sourceLineNo">234</span> void addDeleteFamilyBloomFilter(BloomFilterWriter bfw) throws IOException;<a name="line.234"></a>
-<span class="sourceLineNo">235</span><a name="line.235"></a>
-<span class="sourceLineNo">236</span> /**<a name="line.236"></a>
-<span class="sourceLineNo">237</span> * Return the file context for the HFile this writer belongs to<a name="line.237"></a>
-<span class="sourceLineNo">238</span> */<a name="line.238"></a>
-<span class="sourceLineNo">239</span> HFileContext getFileContext();<a name="line.239"></a>
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-<span class="sourceLineNo">241</span><a name="line.241"></a>
-<span class="sourceLineNo">242</span> /**<a name="line.242"></a>
-<span class="sourceLineNo">243</span> * This variety of ways to construct writers is used throughout the code, and<a name="line.243"></a>
-<span class="sourceLineNo">244</span> * we want to be able to swap writer implementations.<a name="line.244"></a>
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-<span class="sourceLineNo">246</span> public static class WriterFactory {<a name="line.246"></a>
-<span class="sourceLineNo">247</span> protected final Configuration conf;<a name="line.247"></a>
-<span class="sourceLineNo">248</span> protected final CacheConfig cacheConf;<a name="line.248"></a>
-<span class="sourceLineNo">249</span> protected FileSystem fs;<a name="line.249"></a>
-<span class="sourceLineNo">250</span> protected Path path;<a name="line.250"></a>
-<span class="sourceLineNo">251</span> protected FSDataOutputStream ostream;<a name="line.251"></a>
-<span class="sourceLineNo">252</span> protected CellComparator comparator = <a name="line.252"></a>
-<span class="sourceLineNo">253</span> CellComparator.COMPARATOR;<a name="line.253"></a>
-<span class="sourceLineNo">254</span> protected InetSocketAddress[] favoredNodes;<a name="line.254"></a>
-<span class="sourceLineNo">255</span> private HFileContext fileContext;<a name="line.255"></a>
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-<span class="sourceLineNo">257</span><a name="line.257"></a>
-<span class="sourceLineNo">258</span> WriterFactory(Configuration conf, CacheConfig cacheConf) {<a name="line.258"></a>
-<span class="sourceLineNo">259</span> this.conf = conf;<a name="line.259"></a>
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-<span class="sourceLineNo">262</span><a name="line.262"></a>
-<span class="sourceLineNo">263</span> public WriterFactory withPath(FileSystem fs, Path path) {<a name="line.263"></a>
-<span class="sourceLineNo">264</span> Preconditions.checkNotNull(fs);<a name="line.264"></a>
-<span class="sourceLineNo">265</span> Preconditions.checkNotNull(path);<a name="line.265"></a>
-<span class="sourceLineNo">266</span> this.fs = fs;<a name="line.266"></a>
-<span class="sourceLineNo">267</span> this.path = path;<a name="line.267"></a>
-<span class="sourceLineNo">268</span> return this;<a name="line.268"></a>
-<span class="sourceLineNo">269</span> }<a name="line.269"></a>
-<span class="sourceLineNo">270</span><a name="line.270"></a>
-<span class="sourceLineNo">271</span> public WriterFactory withOutputStream(FSDataOutputStream ostream) {<a name="line.271"></a>
-<span class="sourceLineNo">272</span> Preconditions.checkNotNull(ostream);<a name="line.272"></a>
-<span class="sourceLineNo">273</span> this.ostream = ostream;<a name="line.273"></a>
-<span class="sourceLineNo">274</span> return this;<a name="line.274"></a>
-<span class="sourceLineNo">275</span> }<a name="line.275"></a>
-<span class="sourceLineNo">276</span><a name="line.276"></a>
-<span class="sourceLineNo">277</span> public WriterFactory withComparator(CellComparator comparator) {<a name="line.277"></a>
-<span class="sourceLineNo">278</span> Preconditions.checkNotNull(comparator);<a name="line.278"></a>
-<span class="sourceLineNo">279</span> this.comparator = comparator;<a name="line.279"></a>
-<span class="sourceLineNo">280</span> return this;<a name="line.280"></a>
-<span class="sourceLineNo">281</span> }<a name="line.281"></a>
-<span class="sourceLineNo">282</span><a name="line.282"></a>
-<span class="sourceLineNo">283</span> public WriterFactory withFavoredNodes(InetSocketAddress[] favoredNodes) {<a name="line.283"></a>
-<span class="sourceLineNo">284</span> // Deliberately not checking for null here.<a name="line.284"></a>
-<span class="sourceLineNo">285</span> this.favoredNodes = favoredNodes;<a name="line.285"></a>
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+<span class="sourceLineNo">311</span> if (LOG.isTraceEnabled()) LOG.trace("Unable to set drop behind on " + path, uoe);<a name="line.311"></a>
+<span class="sourceLineNo">312</span> else if (LOG.isDebugEnabled()) LOG.debug("Unable to set drop behind on " + path);<a name="line.312"></a>
+<span class="sourceLineNo">313</span> }<a name="line.313"></a>
+<span class="sourceLineNo">314</span> }<a name="line.314"></a>
+<span class="sourceLineNo">315</span> return new HFileWriterImpl(conf, cacheConf, path, ostream, comparator, fileContext);<a name="line.315"></a>
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+<span class="sourceLineNo">318</span><a name="line.318"></a>
+<span class="sourceLineNo">319</span> /** The configuration key for HFile version to use for new files */<a name="line.319"></a>
+<span class="sourceLineNo">320</span> public static final String FORMAT_VERSION_KEY = "hfile.format.version";<a name="line.320"></a>
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+<span class="sourceLineNo">322</span> public static int getFormatVersion(Configuration conf) {<a name="line.322"></a>
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+<span class="sourceLineNo">324</span> checkFormatVersion(version);<a name="line.324"></a>
+<span class="sourceLineNo">325</span> return version;<a name="line.325"></a>
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+<span class="sourceLineNo">328</span> /**<a name="line.328"></a>
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+<span class="sourceLineNo">346</span> switch (version) {<a name="line.346"></a>
+<span class="sourceLineNo">347</span> case 2:<a name="line.347"></a>
+<span class="sourceLineNo">348</span> throw new IllegalArgumentException("This should never happen. " +<a name="line.348"></a>
+<span class="sourceLineNo">349</span> "Did you change hfile.format.version to read v2? This version of the software writes v3" +<a name="line.349"></a>
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+<span class="sourceLineNo">351</span> "in hbase-site.xml)");<a name="line.351"></a>
+<span class="sourceLineNo">352</span> case 3:<a name="line.352"></a>
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+<span class="sourceLineNo">355</span> throw new IllegalArgumentException("Cannot create writer for HFile " +<a name="line.355"></a>
+<span class="sourceLineNo">356</span> "format version " + version);<a name="line.356"></a>
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+<span class="sourceLineNo">358</span> }<a name="line.358"></a>
+<span class="sourceLineNo">359</span><a name="line.359"></a>
+<span class="sourceLineNo">360</span> /**<a name="line.360"></a>
+<span class="sourceLineNo">361</span> * An abstraction used by the block index.<a name="line.361"></a>
+<span class="sourceLineNo">362</span> * Implementations will check cache for any asked-for block and return cached block if found.<a name="line.362"></a>
+<span class="sourceLineNo">363</span> * Otherwise, after reading from fs, will try and put block into cache before returning.<a name="line.363"></a>
+<span class="sourceLineNo">364</span> */<a name="line.364"></a>
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+<span class="sourceLineNo">366</span> /**<a name="line.366"></a>
+<span class="sourceLineNo">367</span> * Read in a file block.<a name="line.367"></a>
+<span class="sourceLineNo">368</span> * @param offset offset to read.<a name="line.368"></a>
+<span class="sourceLineNo">369</span> * @param onDiskBlockSize size of the block<a name="line.369"></a>
+<span class="sourceLineNo">370</span> * @param cacheBlock<a name="line.370"></a>
+<span class="sourceLineNo">371</span> * @param pread<a name="line.371"></a>
+<span class="sourceLineNo">372</span> * @param isCompaction is this block being read as part of a compaction<a name="line.372"></a>
+<span class="sourceLineNo">373</span> * @param expectedBlockType the block type we are expecting to read
<TRUNCATED>
[25/51] [partial] hbase-site git commit: Published site at
7dabcf23e8dd53f563981e1e03f82336fc0a44da.
Posted by mi...@apache.org.
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/3e48e84d/devapidocs/src-html/org/apache/hadoop/hbase/HConstants.Modify.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/HConstants.Modify.html b/devapidocs/src-html/org/apache/hadoop/hbase/HConstants.Modify.html
index de0d003..ea9c5c4 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/HConstants.Modify.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/HConstants.Modify.html
@@ -73,1205 +73,1207 @@
<span class="sourceLineNo">065</span> public static final byte[] RPC_HEADER = new byte[] { 'H', 'B', 'a', 's' };<a name="line.65"></a>
<span class="sourceLineNo">066</span> public static final byte RPC_CURRENT_VERSION = 0;<a name="line.66"></a>
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-<span class="sourceLineNo">073</span> /** The size of a version 2 HFile block header, minor version 1.<a name="line.73"></a>
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-<span class="sourceLineNo">079</span> /** Just an array of bytes of the right size. */<a name="line.79"></a>
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-<span class="sourceLineNo">082</span> //End HFileBlockConstants.<a name="line.82"></a>
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+<span class="sourceLineNo">069</span> // Needed down in hbase-common though by encoders but these encoders should not be dealing<a name="line.69"></a>
+<span class="sourceLineNo">070</span> // in the internals of hfileblocks. Fix encapsulation.<a name="line.70"></a>
+<span class="sourceLineNo">071</span><a name="line.71"></a>
+<span class="sourceLineNo">072</span> /** The size data structures with minor version is 0 */<a name="line.72"></a>
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+<span class="sourceLineNo">075</span> /** The size of a version 2 HFile block header, minor version 1.<a name="line.75"></a>
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+<span class="sourceLineNo">077</span> * followed by another 4 byte value to store sizeofDataOnDisk.<a name="line.77"></a>
+<span class="sourceLineNo">078</span> */<a name="line.78"></a>
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+<span class="sourceLineNo">081</span> /** Just an array of bytes of the right size. */<a name="line.81"></a>
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-<span class="sourceLineNo">192</span> /**<a name="line.192"></a>
-<span class="sourceLineNo">193</span> * Parameter name for the wait time for the recoverable zookeeper<a name="line.193"></a>
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+<span class="sourceLineNo">122</span><a name="line.122"></a>
+<span class="sourceLineNo">123</span> /** Cluster is in distributed mode or not */<a name="line.123"></a>
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+<span class="sourceLineNo">125</span><a name="line.125"></a>
+<span class="sourceLineNo">126</span> /** Config for pluggable load balancers */<a name="line.126"></a>
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+<span class="sourceLineNo">128</span><a name="line.128"></a>
+<span class="sourceLineNo">129</span> /** Config for balancing the cluster by table */<a name="line.129"></a>
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+<span class="sourceLineNo">131</span><a name="line.131"></a>
+<span class="sourceLineNo">132</span> /** The name of the ensemble table */<a name="line.132"></a>
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+<span class="sourceLineNo">134</span><a name="line.134"></a>
+<span class="sourceLineNo">135</span> /** Config for pluggable region normalizer */<a name="line.135"></a>
+<span class="sourceLineNo">136</span> public static final String HBASE_MASTER_NORMALIZER_CLASS =<a name="line.136"></a>
+<span class="sourceLineNo">137</span> "hbase.master.normalizer.class";<a name="line.137"></a>
+<span class="sourceLineNo">138</span><a name="line.138"></a>
+<span class="sourceLineNo">139</span> /** Cluster is standalone or pseudo-distributed */<a name="line.139"></a>
+<span class="sourceLineNo">140</span> public static final boolean CLUSTER_IS_LOCAL = false;<a name="line.140"></a>
+<span class="sourceLineNo">141</span><a name="line.141"></a>
+<span class="sourceLineNo">142</span> /** Cluster is fully-distributed */<a name="line.142"></a>
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+<span class="sourceLineNo">144</span><a name="line.144"></a>
+<span class="sourceLineNo">145</span> /** Default value for cluster distributed mode */<a name="line.145"></a>
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+<span class="sourceLineNo">147</span><a name="line.147"></a>
+<span class="sourceLineNo">148</span> /** default host address */<a name="line.148"></a>
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+<span class="sourceLineNo">153</span><a name="line.153"></a>
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+<span class="sourceLineNo">156</span><a name="line.156"></a>
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+<span class="sourceLineNo">159</span><a name="line.159"></a>
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+<span class="sourceLineNo">162</span><a name="line.162"></a>
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+<span class="sourceLineNo">165</span><a name="line.165"></a>
+<span class="sourceLineNo">166</span> /**<a name="line.166"></a>
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+<span class="sourceLineNo">168</span> */<a name="line.168"></a>
+<span class="sourceLineNo">169</span> public static final boolean DEFAULT_MASTER_TYPE_BACKUP = false;<a name="line.169"></a>
+<span class="sourceLineNo">170</span><a name="line.170"></a>
+<span class="sourceLineNo">171</span> /** Name of ZooKeeper quorum configuration parameter. */<a name="line.171"></a>
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+<span class="sourceLineNo">173</span><a name="line.173"></a>
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+<span class="sourceLineNo">176</span> "hbase.zookeeper.property.";<a name="line.176"></a>
+<span class="sourceLineNo">177</span><a name="line.177"></a>
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+<span class="sourceLineNo">179</span> ZK_CFG_PROPERTY_PREFIX.length();<a name="line.179"></a>
+<span class="sourceLineNo">180</span><a name="line.180"></a>
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+<span class="sourceLineNo">183</span> * fact that this is not an HBase configuration key.<a name="line.183"></a>
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+<span class="sourceLineNo">186</span><a name="line.186"></a>
+<span class="sourceLineNo">187</span> /** Parameter name for the client port that the zookeeper listens on */<a name="line.187"></a>
+<span class="sourceLineNo">188</span> public static final String ZOOKEEPER_CLIENT_PORT =<a name="line.188"></a>
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+<span class="sourceLineNo">190</span><a name="line.190"></a>
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+<span class="sourceLineNo">193</span><a name="line.193"></a>
+<span class="sourceLineNo">194</span> /**<a name="line.194"></a>
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+<span class="sourceLineNo">196</span> */<a name="line.196"></a>
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+<span class="sourceLineNo">199</span><a name="line.199"></a>
+<span class="sourceLineNo">200</span> /** Default wait time for the recoverable zookeeper */<a name="line.200"></a>
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+<span class="sourceLineNo">202</span><a name="line.202"></a>
+<span class="sourceLineNo">203</span> /** Parameter name for the root dir in ZK for this cluster */<a name="line.203"></a>
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-<span class="sourceLineNo">229</span><a name="line.229"></a>
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-<span class="sourceLineNo">232</span><a name="line.232"></a>
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-<span class="sourceLineNo">238</span><a name="line.238"></a>
-<span class="sourceLineNo">239</span> /** default port for region server web api */<a name="line.239"></a>
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-<span class="sourceLineNo">241</span><a name="line.241"></a>
-<span class="sourceLineNo">242</span> /** A configuration key for regionserver info port */<a name="line.242"></a>
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-<span class="sourceLineNo">244</span> "hbase.regionserver.info.port";<a name="line.244"></a>
-<span class="sourceLineNo">245</span><a name="line.245"></a>
-<span class="sourceLineNo">246</span> /** A flag that enables automatic selection of regionserver info port */<a name="line.246"></a>
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-<span class="sourceLineNo">249</span><a name="line.249"></a>
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-<span class="sourceLineNo">256</span> /** Parameter name for what hbase client implementation to use. */<a name="line.256"></a>
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+<span class="sourceLineNo">207</span><a name="line.207"></a>
+<span class="sourceLineNo">208</span> /**<a name="line.208"></a>
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+<span class="sourceLineNo">214</span><a name="line.214"></a>
+<span class="sourceLineNo">215</span> /** Parameter name for the ZK data directory */<a name="line.215"></a>
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+<span class="sourceLineNo">217</span> ZK_CFG_PROPERTY_PREFIX + "dataDir";<a name="line.217"></a>
+<span class="sourceLineNo">218</span><a name="line.218"></a>
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+<span class="sourceLineNo">220</span> public static final String ZOOKEEPER_TICK_TIME =<a name="line.220"></a>
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+<span class="sourceLineNo">222</span><a name="line.222"></a>
+<span class="sourceLineNo">223</span> /** Default limit on concurrent client-side zookeeper connections */<a name="line.223"></a>
+<span class="sourceLineNo">224</span> public static final int DEFAULT_ZOOKEPER_MAX_CLIENT_CNXNS = 300;<a name="line.224"></a>
+<span class="sourceLineNo">225</span><a name="line.225"></a>
+<span class="sourceLineNo">226</span> /** Configuration key for ZooKeeper session timeout */<a name="line.226"></a>
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+<span class="sourceLineNo">228</span><a name="line.228"></a>
+<span class="sourceLineNo">229</span> /** Default value for ZooKeeper session timeout */<a name="line.229"></a>
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+<span class="sourceLineNo">304</span><a name="line.304"></a>
+<span class="sourceLineNo">305</span> /** Like the previous, but for old logs that are about to be deleted */<a name="line.305"></a>
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-<span class="sourceLineNo">356</span> * times hbase.hregion.memstore.flush.size bytes. Useful preventing<a name="line.356"></a>
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+<span class="sourceLineNo">325</span><a name="line.325"></a>
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+<span class="sourceLineNo">353</span> */<a name="line.353"></a>
+<span class="sourceLineNo">354</span> public static final int DEFAULT_HSTORE_OPEN_AND_CLOSE_THREADS_MAX = 1;<a name="line.354"></a>
+<span class="sourceLineNo">355</span><a name="line.355"></a>
+<span class="sourceLineNo">356</span> /**<a name="line.356"></a>
+<span class="sourceLineNo">357</span> * Block updates if memstore has hbase.hregion.memstore.block.multiplier<a name="line.357"></a>
+<span class="sourceLineNo">358</span> * times hbase.hregion.memstore.flush.size bytes. Useful preventing<a name="line.358"></a>
+<span class="sourceLineNo">359</span> * runaway memstore during spikes in update traffic.<a name="line.359"></a>
+<span class="sourceLineNo">360</span> */<a name="line.360"></a>
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+<span class="sourceLineNo">362</span> "hbase.hregion.memstore.block.multiplier";<a name="line.362"></a>
+<span class="sourceLineNo">363</span><a name="line.363"></a>
+<span class="sourceLineNo">364</span> /**<a name="line.364"></a>
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+<span class="sourceLineNo">366</span> */<a name="line.366"></a>
+<span class="sourceLineNo">367</span> public static final int DEFAULT_HREGION_MEMSTORE_BLOCK_MULTIPLIER = 4;<a name="line.367"></a>
+<span class="sourceLineNo">368</span><a name="line.368"></a>
+<span class="sourceLineNo">369</span> /** Conf key for the memstore size at which we flush the memstore */<a name="line.369"></a>
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+<span class="sourceLineNo">371</span> "hbase.hregion.memstore.flush.size";<a name="line.371"></a>
+<span class="sourceLineNo">372</span><a name="line.372"></a>
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+<span class="sourceLineNo">375</span><a name="line.375"></a>
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+<span class="sourceLineNo">377</span> false;<a name="line.377"></a>
+<span class="sourceLineNo">378</span><a name="line.378"></a>
+<span class="sourceLineNo">379</span> /** Maximum value length, enforced on KeyValue construction */<a name="line.379"></a>
+<span class="sourceLineNo">380</span> public static final int MAXIMUM_VALUE_LENGTH = Integer.MAX_VALUE - 1;<a name="line.380"></a>
+<span class="sourceLineNo">381</span><a name="line.381"></a>
+<span class="sourceLineNo">382</span> /** name of the file for unique cluster ID */<a name="line.382"></a>
+<span class="sourceLineNo">383</span> public static final String CLUSTER_ID_FILE_NAME = "hbase.id";<a name="line.383"></a>
+<span class="sourceLineNo">384</span><a name="line.384"></a>
+<span class="sourceLineNo">385</span> /** Default value for cluster ID */<a name="line.385"></a>
+<span class="sourceLineNo">386</span> public static final String CLUSTER_ID_DEFAULT = "default-cluster";<a name="line.386"></a>
+<span class="sourceLineNo">387</span><a name="line.387"></a>
+<span class="sourceLineNo">388</span> /** Parameter name for # days to keep MVCC values during a major compaction */<a name="line.388"></a>
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+<span class="sourceLineNo">390</span> /** At least to keep MVCC values in hfiles for 5 days */<a name="line.390"></a>
+<span class="sourceLineNo">391</span> public static final int MIN_KEEP_SEQID_PERIOD = 5;<a name="line.391"></a>
+<span class="sourceLineNo">392</span><a name="line.392"></a>
+<span class="sourceLineNo">393</span> // Always store the location of the root table's HRegion.<a name="line.393"></a>
+<span class="sourceLineNo">394</span> // This HRegion is never split.<a name="line.394"></a>
+<span class="sourceLineNo">395</span><a name="line.395"></a>
+<span class="sourceLineNo">396</span> // region name = table + startkey + regionid. This is the row key.<a name="line.396"></a>
+<span class="sourceLineNo">397</span> // each row in the root and meta tables describes exactly 1 region<a name="line.397"></a>
+<span class="sourceLineNo">398</span> // Do we ever need to know all the information that we are storing?<a name="line.398"></a>
+<span class="sourceLineNo">399</span><a name="line.399"></a>
+<span class="sourceLineNo">400</span> // Note that the name of the root table starts with "-" and the name of the<a name="line.400"></a>
+<span class="sourceLineNo">401</span> // meta table starts with "." Why? it's a trick. It turns out that when we<a name="line.401"></a>
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+<span class="sourceLineNo">403</span> // "." (and since no other table name can start with either of these<a name="line.403"></a>
+<span class="sourceLineNo">404</span> // characters, the root region will always be the first entry in such a Map,<a name="line.404"></a>
+<span class="sourceLineNo">405</span> // followed by all the meta regions (which will be ordered by their starting<a name="line.405"></a>
+<span class="sourceLineNo">406</span> // row key as well), followed by all user tables. So when the Master is<a name="line.406"></a>
+<span class="sourceLineNo">407</span> // choosing regions to assign, it will always choose the root region first,<a name="line.407"></a>
+<span class="sourceLineNo">408</span> // followed by the meta regions, followed by user regions. Since the root<a name="line.408"></a>
+<span class="sourceLineNo">409</span> // and meta regions always need to be on-line, this ensures that they will<a name="line.409"></a>
+<span class="sourceLineNo">410</span> // be the first to be reassigned if the server(s) they are being served by<a name="line.410"></a>
+<span class="sourceLineNo">411</span> // should go down.<a name="line.411"></a>
+<span class="sourceLineNo">412</span><a name="line.412"></a>
+<span class="sourceLineNo">413</span><a name="line.413"></a>
+<span class="sourceLineNo">414</span> /**<a name="line.414"></a>
+<span class="sourceLineNo">415</span> * The hbase:meta table's name.<a name="line.415"></a>
+<span class="sourceLineNo">416</span> * @deprecated For upgrades of 0.94 to 0.96<a name="line.416"></a>
+<span class="sourceLineNo">417</span> */<a name="line.417"></a>
+<span class="sourceLineNo">418</span> @Deprecated // for compat from 0.94 -> 0.96.<a name="line.418"></a>
+<span class="sourceLineNo">419</span> public static final byte[] META_TABLE_NAME = TableName.META_TABLE_NAME.getName();<a name="line.419"></a>
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-<span class="sourceLineNo">424</span> /** The catalog family as a string*/<a name="line.424"></a>
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-<span class="sourceLineNo">433</span> /** The regioninfo column qualifier */<a name="line.433"></a>
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-<span class="sourceLineNo">437</span> public static final String SERVER_QUALIFIER_STR = "server";<a name="line.437"></a>
+<span class="sourceLineNo">421</span> public static final String BASE_NAMESPACE_DIR = "data";<a name="line.421"></a>
+<span class="sourceLineNo">422</span><a name="line.422"></a>
+<span class="sourceLineNo">423</span> /** delimiter used between portions of a region name */<a name="line.423"></a>
+<span class="sourceLineNo">424</span> public static final int META_ROW_DELIMITER = ',';<a name="line.424"></a>
+<span class="sourceLineNo">425</span><a name="line.425"></a>
+<span class="sourceLineNo">426</span> /** The catalog family as a string*/<a name="line.426"></a>
+<span class="sourceLineNo">427</span> public static final String CATALOG_FAMILY_STR = "info";<a name="line.427"></a>
+<span class="sourceLineNo">428</span><a name="line.428"></a>
+<span class="sourceLineNo">429</span> /** The catalog family */<a name="line.429"></a>
+<span class="sourceLineNo">430</span> public static final byte [] CATALOG_FAMILY = Bytes.toBytes(CATALOG_FAMILY_STR);<a name="line.430"></a>
+<span class="sourceLineNo">431</span><a name="line.431"></a>
+<span class="sourceLineNo">432</span> /** The RegionInfo qualifier as a string */<a name="line.432"></a>
+<span class="sourceLineNo">433</span> public static final String REGIONINFO_QUALIFIER_STR = "regioninfo";<a name="line.433"></a>
+<span class="sourceLineNo">434</span><a name="line.434"></a>
+<span class="sourceLineNo">435</span> /** The regioninfo column qualifier */<a name="line.435"></a>
+<span class="sourceLineNo">436</span> public static final byte [] REGIONINFO_QUALIFIER = Bytes.toBytes(REGIONINFO_QUALIFIER_STR);<a name="line.436"></a>
+<span class="sourceLineNo">437</span><a name="line.437"></a>
<span class="sourceLineNo">438</span> /** The server column qualifier */<a name="line.438"></a>
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-<span class="sourceLineNo">442</span> public static final String STARTCODE_QUALIFIER_STR = "serverstartcode";<a name="line.442"></a>
+<span class="sourceLineNo">439</span> public static final String SERVER_QUALIFIER_STR = "server";<a name="line.439"></a>
+<span class="sourceLineNo">440</span> /** The server column qualifier */<a name="line.440"></a>
+<span class="sourceLineNo">441</span> public static final byte [] SERVER_QUALIFIER = Bytes.toBytes(SERVER_QUALIFIER_STR);<a name="line.441"></a>
+<span class="sourceLineNo">442</span><a name="line.442"></a>
<span class="sourceLineNo">443</span> /** The startcode column qualifier */<a name="line.443"></a>
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-<span class="sourceLineNo">447</span> public static final String SEQNUM_QUALIFIER_STR = "seqnumDuringOpen";<a name="line.447"></a>
+<span class="sourceLineNo">444</span> public static final String STARTCODE_QUALIFIER_STR = "serverstartcode";<a name="line.444"></a>
+<span class="sourceLineNo">445</span> /** The startcode column qualifier */<a name="line.445"></a>
+<span class="sourceLineNo">446</span> public static final byte [] STARTCODE_QUALIFIER = Bytes.toBytes(STARTCODE_QUALIFIER_STR);<a name="line.446"></a>
+<span class="sourceLineNo">447</span><a name="line.447"></a>
<span class="sourceLineNo">448</span> /** The open seqnum column qualifier */<a name="line.448"></a>
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+<span class="sourceLineNo">449</span> public static final String SEQNUM_QUALIFIER_STR = "seqnumDuringOpen";<a name="line.449"></a>
+<span class="sourceLineNo">450</span> /** The open seqnum column qualifier */<a name="line.450"></a>
+<span class="sourceLineNo">451</span> public static final byte [] SEQNUM_QUALIFIER = Bytes.toBytes(SEQNUM_QUALIFIER_STR);<a name="line.451"></a>
+<span class="sourceLineNo">452</span><a name="line.452"></a>
+<span class="sourceLineNo">453</span> /** The state column qualifier */<a name="line.453"></a>
+<span class="sourceLineNo">454</span> public static final String STATE_QUALIFIER_STR = "state";<a name="line.454"></a>
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-<span class="sourceLineNo">459</span> * opened on. They are the same when the region is in state OPEN.<a name="line.459"></a>
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-<span class="sourceLineNo">463</span> public static final byte [] SERVERNAME_QUALIFIER = Bytes.toBytes(SERVERNAME_QUALIFIER_STR);<a name="line.463"></a>
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+<span class="sourceLineNo">457</span><a name="line.457"></a>
+<span class="sourceLineNo">458</span> /**<a name="line.458"></a>
+<span class="sourceLineNo">459</span> * The serverName column qualifier. Its the server where the region is<a name="line.459"></a>
+<span class="sourceLineNo">460</span> * transitioning on, while column server is the server where the region is<a name="line.460"></a>
+<span class="sourceLineNo">461</span> * opened on. They are the same when the region is in state OPEN.<a name="line.461"></a>
+<span class="sourceLineNo">462</span> */<a name="line.462"></a>
+<span class="sourceLineNo">463</span> public static final String SERVERNAME_QUALIFIER_STR = "sn";<a name="line.463"></a>
<span class="sourceLineNo">464</span><a name="line.464"></a>
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-<span class="sourceLineNo">477</span> /** The catalog family as a string*/<a name="line.477"></a>
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-<span class="sourceLineNo">486</span><a name="line.486"></a>
-<span class="sourceLineNo">487</span> /**<a name="line.487"></a>
-<span class="sourceLineNo">488</span> * The meta table version column qualifier.<a name="line.488"></a>
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-<span class="sourceLineNo">494</span> /**<a name="line.494"></a>
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-<span class="sourceLineNo">499</span> * Writable serialization, and HRegionInfo's does not contain HTableDescriptors.<a name="line.499"></a>
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-<span class="sourceLineNo">501</span> * byte[] serialization from Writables to Protobuf.<a name="line.501"></a>
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-<span class="sourceLineNo">505</span><a name="line.505"></a>
-<span class="sourceLineNo">506</span> // Other constants<a name="line.506"></a>
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+<span class="sourceLineNo">466</span><a name="line.466"></a>
+<span class="sourceLineNo">467</span> /** The lower-half split region column qualifier */<a name="line.467"></a>
+<span class="sourceLineNo">468</span> public static final byte [] SPLITA_QUALIFIER = Bytes.toBytes("splitA");<a name="line.468"></a>
+<span class="sourceLineNo">469</span><a name="line.469"></a>
+<span class="sourceLineNo">470</span> /** The upper-half split region column qualifier */<a name="line.470"></a>
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+<span class="sourceLineNo">472</span><a name="line.472"></a>
+<span class="sourceLineNo">473</span> /** The lower-half merge region column qualifier */<a name="line.473"></a>
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+<span class="sourceLineNo">475</span><a name="line.475"></a>
+<span class="sourceLineNo">476</span> /** The upper-half merge region column qualifier */<a name="line.476"></a>
+<span class="sourceLineNo">477</span> public static final byte[] MERGEB_QUALIFIER = Bytes.toBytes("mergeB");<a name="line.477"></a>
+<span class="sourceLineNo">478</span><a name="line.478"></a>
+<span class="sourceLineNo">479</span> /** The catalog family as a string*/<a name="line.479"></a>
+<span class="sourceLineNo">480</span> public static final String TABLE_FAMILY_STR = "table";<a name="line.480"></a>
+<span class="sourceLineNo">481</span><a name="line.481"></a>
+<span class="sourceLineNo">482</span> /** The catalog family */<a name="line.482"></a>
+<span class="sourceLineNo">483</span> public static final byte [] TABLE_FAMILY = Bytes.toBytes(TABLE_FAMILY_STR);<a name="line.483"></a>
+<span class="sourceLineNo">484</span><a name="line.484"></a>
+<span class="sourceLineNo">485</span> /** The serialized table state qualifier */<a name="line.485"></a>
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+<span class="sourceLineNo">487</span><a name="line.487"></a>
+<span class="sourceLineNo">488</span><a name="line.488"></a>
+<span class="sourceLineNo">489</span> /**<a name="line.489"></a>
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+<span class="sourceLineNo">492</span> * table: i.e. in the 'info:v' column.<a name="line.492"></a>
+<span class="sourceLineNo">493</span> */<a name="line.493"></a>
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+<span class="sourceLineNo">495</span><a name="line.495"></a>
+<span class="sourceLineNo">496</span> /**<a name="line.496"></a>
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+<span class="sourceLineNo">500</span> * - version 0 is 0.92 and 0.94. Meta data has serialized HRegionInfo's using<a name="line.500"></a>
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+<span class="sourceLineNo">503</span> * byte[] serialization from Writables to Protobuf.<a name="line.503"></a>
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<span class="sourceLineNo">507</span><a name="line.507"></a>
-<span class="so
<TRUNCATED>
[23/51] [partial] hbase-site git commit: Published site at
7dabcf23e8dd53f563981e1e03f82336fc0a44da.
Posted by mi...@apache.org.
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/3e48e84d/devapidocs/src-html/org/apache/hadoop/hbase/HConstants.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/HConstants.html b/devapidocs/src-html/org/apache/hadoop/hbase/HConstants.html
index de0d003..ea9c5c4 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/HConstants.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/HConstants.html
@@ -73,1205 +73,1207 @@
<span class="sourceLineNo">065</span> public static final byte[] RPC_HEADER = new byte[] { 'H', 'B', 'a', 's' };<a name="line.65"></a>
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-<span class="sourceLineNo">082</span> //End HFileBlockConstants.<a name="line.82"></a>
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+<span class="sourceLineNo">069</span> // Needed down in hbase-common though by encoders but these encoders should not be dealing<a name="line.69"></a>
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+<span class="sourceLineNo">072</span> /** The size data structures with minor version is 0 */<a name="line.72"></a>
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+<span class="sourceLineNo">086</span> /**<a name="line.86"></a>
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+<span class="sourceLineNo">104</span><a name="line.104"></a>
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+<span class="sourceLineNo">108</span> /**<a name="line.108"></a>
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<span class="sourceLineNo">118</span><a name="line.118"></a>
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[26/51] [partial] hbase-site git commit: Published site at
7dabcf23e8dd53f563981e1e03f82336fc0a44da.
Posted by mi...@apache.org.
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/3e48e84d/devapidocs/org/apache/hadoop/hbase/tmpl/regionserver/RSStatusTmpl.ImplData.html
----------------------------------------------------------------------
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+<span class="sourceLineNo">122</span><a name="line.122"></a>
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+<span class="sourceLineNo">125</span><a name="line.125"></a>
+<span class="sourceLineNo">126</span> /** Config for pluggable load balancers */<a name="line.126"></a>
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+<span class="sourceLineNo">131</span><a name="line.131"></a>
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+<span class="sourceLineNo">134</span><a name="line.134"></a>
+<span class="sourceLineNo">135</span> /** Config for pluggable region normalizer */<a name="line.135"></a>
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+<span class="sourceLineNo">137</span> "hbase.master.normalizer.class";<a name="line.137"></a>
+<span class="sourceLineNo">138</span><a name="line.138"></a>
+<span class="sourceLineNo">139</span> /** Cluster is standalone or pseudo-distributed */<a name="line.139"></a>
+<span class="sourceLineNo">140</span> public static final boolean CLUSTER_IS_LOCAL = false;<a name="line.140"></a>
+<span class="sourceLineNo">141</span><a name="line.141"></a>
+<span class="sourceLineNo">142</span> /** Cluster is fully-distributed */<a name="line.142"></a>
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+<span class="sourceLineNo">144</span><a name="line.144"></a>
+<span class="sourceLineNo">145</span> /** Default value for cluster distributed mode */<a name="line.145"></a>
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+<span class="sourceLineNo">147</span><a name="line.147"></a>
+<span class="sourceLineNo">148</span> /** default host address */<a name="line.148"></a>
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+<span class="sourceLineNo">156</span><a name="line.156"></a>
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+<span class="sourceLineNo">159</span><a name="line.159"></a>
+<span class="sourceLineNo">160</span> /** Configuration key for master web API port */<a name="line.160"></a>
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+<span class="sourceLineNo">163</span> /** Parameter name for the master type being backup (waits for primary to go inactive). */<a name="line.163"></a>
+<span class="sourceLineNo">164</span> public static final String MASTER_TYPE_BACKUP = "hbase.master.backup";<a name="line.164"></a>
+<span class="sourceLineNo">165</span><a name="line.165"></a>
+<span class="sourceLineNo">166</span> /**<a name="line.166"></a>
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+<span class="sourceLineNo">169</span> public static final boolean DEFAULT_MASTER_TYPE_BACKUP = false;<a name="line.169"></a>
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+<span class="sourceLineNo">171</span> /** Name of ZooKeeper quorum configuration parameter. */<a name="line.171"></a>
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+<span class="sourceLineNo">173</span><a name="line.173"></a>
+<span class="sourceLineNo">174</span> /** Common prefix of ZooKeeper configuration properties */<a name="line.174"></a>
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+<span class="sourceLineNo">176</span> "hbase.zookeeper.property.";<a name="line.176"></a>
+<span class="sourceLineNo">177</span><a name="line.177"></a>
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+<span class="sourceLineNo">179</span> ZK_CFG_PROPERTY_PREFIX.length();<a name="line.179"></a>
+<span class="sourceLineNo">180</span><a name="line.180"></a>
+<span class="sourceLineNo">181</span> /**<a name="line.181"></a>
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+<span class="sourceLineNo">183</span> * fact that this is not an HBase configuration key.<a name="line.183"></a>
+<span class="sourceLineNo">184</span> */<a name="line.184"></a>
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+<span class="sourceLineNo">186</span><a name="line.186"></a>
+<span class="sourceLineNo">187</span> /** Parameter name for the client port that the zookeeper listens on */<a name="line.187"></a>
+<span class="sourceLineNo">188</span> public static final String ZOOKEEPER_CLIENT_PORT =<a name="line.188"></a>
+<span class="sourceLineNo">189</span> ZK_CFG_PROPERTY_PREFIX + CLIENT_PORT_STR;<a name="line.189"></a>
+<span class="sourceLineNo">190</span><a name="line.190"></a>
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+<span class="sourceLineNo">193</span><a name="line.193"></a>
+<span class="sourceLineNo">194</span> /**<a name="line.194"></a>
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+<span class="sourceLineNo">196</span> */<a name="line.196"></a>
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+<span class="sourceLineNo">199</span><a name="line.199"></a>
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+<span class="sourceLineNo">202</span><a name="line.202"></a>
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-<span class="sourceLineNo">212</span><a name="line.212"></a>
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-<span class="sourceLineNo">216</span><a name="line.216"></a>
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-<span class="sourceLineNo">229</span><a name="line.229"></a>
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-<span class="sourceLineNo">232</span><a name="line.232"></a>
-<span class="sourceLineNo">233</span> /** Parameter name for port region server listens on. */<a name="line.233"></a>
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-<span class="sourceLineNo">235</span><a name="line.235"></a>
-<span class="sourceLineNo">236</span> /** Default port region server listens on. */<a name="line.236"></a>
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-<span class="sourceLineNo">238</span><a name="line.238"></a>
-<span class="sourceLineNo">239</span> /** default port for region server web api */<a name="line.239"></a>
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-<span class="sourceLineNo">241</span><a name="line.241"></a>
-<span class="sourceLineNo">242</span> /** A configuration key for regionserver info port */<a name="line.242"></a>
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-<span class="sourceLineNo">244</span> "hbase.regionserver.info.port";<a name="line.244"></a>
-<span class="sourceLineNo">245</span><a name="line.245"></a>
-<span class="sourceLineNo">246</span> /** A flag that enables automatic selection of regionserver info port */<a name="line.246"></a>
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-<span class="sourceLineNo">249</span><a name="line.249"></a>
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-<span class="sourceLineNo">256</span> /** Parameter name for what hbase client implementation to use. */<a name="line.256"></a>
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-<span class="sourceLineNo">264</span><a name="line.264"></a>
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+<span class="sourceLineNo">208</span> /**<a name="line.208"></a>
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+<span class="sourceLineNo">214</span><a name="line.214"></a>
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+<span class="sourceLineNo">218</span><a name="line.218"></a>
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+<span class="sourceLineNo">222</span><a name="line.222"></a>
+<span class="sourceLineNo">223</span> /** Default limit on concurrent client-side zookeeper connections */<a name="line.223"></a>
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+<span class="sourceLineNo">225</span><a name="line.225"></a>
+<span class="sourceLineNo">226</span> /** Configuration key for ZooKeeper session timeout */<a name="line.226"></a>
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+<span class="sourceLineNo">228</span><a name="line.228"></a>
+<span class="sourceLineNo">229</span> /** Default value for ZooKeeper session timeout */<a name="line.229"></a>
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+<span class="sourceLineNo">232</span> /** Configuration key for whether to use ZK.multi */<a name="line.232"></a>
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+<span class="sourceLineNo">235</span> /** Parameter name for port region server listens on. */<a name="line.235"></a>
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+<span class="sourceLineNo">237</span><a name="line.237"></a>
+<span class="sourceLineNo">238</span> /** Default port region server listens on. */<a name="line.238"></a>
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+<span class="sourceLineNo">240</span><a name="line.240"></a>
+<span class="sourceLineNo">241</span> /** default port for region server web api */<a name="line.241"></a>
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+<span class="sourceLineNo">246</span> "hbase.regionserver.info.port";<a name="line.246"></a>
+<span class="sourceLineNo">247</span><a name="line.247"></a>
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+<span class="sourceLineNo">250</span> REGIONSERVER_INFO_PORT + ".auto";<a name="line.250"></a>
+<span class="sourceLineNo">251</span><a name="line.251"></a>
+<span class="sourceLineNo">252</span> /** Parameter name for what region server implementation to use. */<a name="line.252"></a>
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+<span class="sourceLineNo">261</span> /** Parameter name for how often threads should wake up */<a name="line.261"></a>
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+<span class="sourceLineNo">272</span><a name="line.272"></a>
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+<span class="sourceLineNo">283</span> /** Parameter name for HBase client IPC pool type */<a name="line.283"></a>
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+<span class="sourceLineNo">285</span><a name="line.285"></a>
+<span class="sourceLineNo">286</span> /** Parameter name for HBase client IPC pool size */<a name="line.286"></a>
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+<span class="sourceLineNo">289</span> /** Parameter name for HBase client operation timeout, which overrides RPC timeout */<a name="line.289"></a>
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+<span class="sourceLineNo">291</span><a name="line.291"></a>
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+<span class="sourceLineNo">294</span> "hbase.client.meta.operation.timeout";<a name="line.294"></a>
+<span class="sourceLineNo">295</span><a name="line.295"></a>
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+<span class="sourceLineNo">298</span><a name="line.298"></a>
+<span class="sourceLineNo">299</span> /** Used to construct the name of the log directory for a region server */<a name="line.299"></a>
+<span class="sourceLineNo">300</span> public static final String HREGION_LOGDIR_NAME = "WALs";<a name="line.300"></a>
+<span class="sourceLineNo">301</span><a name="line.301"></a>
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+<span class="sourceLineNo">303</span> public static final String SPLIT_LOGDIR_NAME = "splitWAL";<a name="line.303"></a>
+<span class="sourceLineNo">304</span><a name="line.304"></a>
+<span class="sourceLineNo">305</span> /** Like the previous, but for old logs that are about to be deleted */<a name="line.305"></a>
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-<span class="sourceLineNo">316</span> * dynamically by the region servers. This value can be overridden by the<a name="line.316"></a>
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-<span class="sourceLineNo">356</span> * times hbase.hregion.memstore.flush.size bytes. Useful preventing<a name="line.356"></a>
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-<span class="sourceLineNo">375</span> false;<a name="line.375"></a>
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-<span class="sourceLineNo">379</span><a name="line.379"></a>
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-<span class="sourceLineNo">383</span> /** Default value for cluster ID */<a name="line.383"></a>
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-<span class="sourceLineNo">392</span> // This HRegion is never split.<a name="line.392"></a>
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-<span class="sourceLineNo">401</span> // "." (and since no other table name can start with either of these<a name="line.401"></a>
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-<span class="sourceLineNo">409</span> // should go down.<a name="line.409"></a>
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+<span class="sourceLineNo">309</span><a name="line.309"></a>
+<span class="sourceLineNo">310</span> /** Used by HBCK to sideline backup data */<a name="line.310"></a>
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+<span class="sourceLineNo">325</span><a name="line.325"></a>
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+<span class="sourceLineNo">330</span> /** Default maximum file size */<a name="line.330"></a>
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+<span class="sourceLineNo">360</span> */<a name="line.360"></a>
+<span class="sourceLineNo">361</span> public static final String HREGION_MEMSTORE_BLOCK_MULTIPLIER =<a name="line.361"></a>
+<span class="sourceLineNo">362</span> "hbase.hregion.memstore.block.multiplier";<a name="line.362"></a>
+<span class="sourceLineNo">363</span><a name="line.363"></a>
+<span class="sourceLineNo">364</span> /**<a name="line.364"></a>
+<span class="sourceLineNo">365</span> * Default value for hbase.hregion.memstore.block.multiplier<a name="line.365"></a>
+<span class="sourceLineNo">366</span> */<a name="line.366"></a>
+<span class="sourceLineNo">367</span> public static final int DEFAULT_HREGION_MEMSTORE_BLOCK_MULTIPLIER = 4;<a name="line.367"></a>
+<span class="sourceLineNo">368</span><a name="line.368"></a>
+<span class="sourceLineNo">369</span> /** Conf key for the memstore size at which we flush the memstore */<a name="line.369"></a>
+<span class="sourceLineNo">370</span> public static final String HREGION_MEMSTORE_FLUSH_SIZE =<a name="line.370"></a>
+<span class="sourceLineNo">371</span> "hbase.hregion.memstore.flush.size";<a name="line.371"></a>
+<span class="sourceLineNo">372</span><a name="line.372"></a>
+<span class="sourceLineNo">373</span> public static final String HREGION_EDITS_REPLAY_SKIP_ERRORS =<a name="line.373"></a>
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+<span class="sourceLineNo">375</span><a name="line.375"></a>
+<span class="sourceLineNo">376</span> public static final boolean DEFAULT_HREGION_EDITS_REPLAY_SKIP_ERRORS =<a name="line.376"></a>
+<span class="sourceLineNo">377</span> false;<a name="line.377"></a>
+<span class="sourceLineNo">378</span><a name="line.378"></a>
+<span class="sourceLineNo">379</span> /** Maximum value length, enforced on KeyValue construction */<a name="line.379"></a>
+<span class="sourceLineNo">380</span> public static final int MAXIMUM_VALUE_LENGTH = Integer.MAX_VALUE - 1;<a name="line.380"></a>
+<span class="sourceLineNo">381</span><a name="line.381"></a>
+<span class="sourceLineNo">382</span> /** name of the file for unique cluster ID */<a name="line.382"></a>
+<span class="sourceLineNo">383</span> public static final String CLUSTER_ID_FILE_NAME = "hbase.id";<a name="line.383"></a>
+<span class="sourceLineNo">384</span><a name="line.384"></a>
+<span class="sourceLineNo">385</span> /** Default value for cluster ID */<a name="line.385"></a>
+<span class="sourceLineNo">386</span> public static final String CLUSTER_ID_DEFAULT = "default-cluster";<a name="line.386"></a>
+<span class="sourceLineNo">387</span><a name="line.387"></a>
+<span class="sourceLineNo">388</span> /** Parameter name for # days to keep MVCC values during a major compaction */<a name="line.388"></a>
+<span class="sourceLineNo">389</span> public static final String KEEP_SEQID_PERIOD = "hbase.hstore.compaction.keep.seqId.period";<a name="line.389"></a>
+<span class="sourceLineNo">390</span> /** At least to keep MVCC values in hfiles for 5 days */<a name="line.390"></a>
+<span class="sourceLineNo">391</span> public static final int MIN_KEEP_SEQID_PERIOD = 5;<a name="line.391"></a>
+<span class="sourceLineNo">392</span><a name="line.392"></a>
+<span class="sourceLineNo">393</span> // Always store the location of the root table's HRegion.<a name="line.393"></a>
+<span class="sourceLineNo">394</span> // This HRegion is never split.<a name="line.394"></a>
+<span class="sourceLineNo">395</span><a name="line.395"></a>
+<span class="sourceLineNo">396</span> // region name = table + startkey + regionid. This is the row key.<a name="line.396"></a>
+<span class="sourceLineNo">397</span> // each row in the root and meta tables describes exactly 1 region<a name="line.397"></a>
+<span class="sourceLineNo">398</span> // Do we ever need to know all the information that we are storing?<a name="line.398"></a>
+<span class="sourceLineNo">399</span><a name="line.399"></a>
+<span class="sourceLineNo">400</span> // Note that the name of the root table starts with "-" and the name of the<a name="line.400"></a>
+<span class="sourceLineNo">401</span> // meta table starts with "." Why? it's a trick. It turns out that when we<a name="line.401"></a>
+<span class="sourceLineNo">402</span> // store region names in memory, we use a SortedMap. Since "-" sorts before<a name="line.402"></a>
+<span class="sourceLineNo">403</span> // "." (and since no other table name can start with either of these<a name="line.403"></a>
+<span class="sourceLineNo">404</span> // characters, the root region will always be the first entry in such a Map,<a name="line.404"></a>
+<span class="sourceLineNo">405</span> // followed by all the meta regions (which will be ordered by their starting<a name="line.405"></a>
+<span class="sourceLineNo">406</span> // row key as well), followed by all user tables. So when the Master is<a name="line.406"></a>
+<span class="sourceLineNo">407</span> // choosing regions to assign, it will always choose the root region first,<a name="line.407"></a>
+<span class="sourceLineNo">408</span> // followed by the meta regions, followed by user regions. Since the root<a name="line.408"></a>
+<span class="sourceLineNo">409</span> // and meta regions always need to be on-line, this ensures that they will<a name="line.409"></a>
+<span class="sourceLineNo">410</span> // be the first to be reassigned if the server(s) they are being served by<a name="line.410"></a>
+<span class="sourceLineNo">411</span> // should go down.<a name="line.411"></a>
+<span class="sourceLineNo">412</span><a name="line.412"></a>
+<span class="sourceLineNo">413</span><a name="line.413"></a>
+<span class="sourceLineNo">414</span> /**<a name="line.414"></a>
+<span class="sourceLineNo">415</span> * The hbase:meta table's name.<a name="line.415"></a>
+<span class="sourceLineNo">416</span> * @deprecated For upgrades of 0.94 to 0.96<a name="line.416"></a>
+<span class="sourceLineNo">417</span> */<a name="line.417"></a>
+<span class="sourceLineNo">418</span> @Deprecated // for compat from 0.94 -> 0.96.<a name="line.418"></a>
+<span class="sourceLineNo">419</span> public static final byte[] META_TABLE_NAME = TableName.META_TABLE_NAME.getName();<a name="line.419"></a>
<span class="sourceLineNo">420</span><a name="line.420"></a>
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-<span class="sourceLineNo">424</span> /** The catalog family as a string*/<a name="line.424"></a>
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-<span class="sourceLineNo">426</span><a name="line.426"></a>
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-<span class="sourceLineNo">429</span><a name="line.429"></a>
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-<span class="sourceLineNo">435</span><a name="line.435"></a>
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-<span class="sourceLineNo">437</span> public static final String SERVER_QUALIFIER_STR = "server";<a name="line.437"></a>
+<span class="sourceLineNo">421</span> public static final String BASE_NAMESPACE_DIR = "data";<a name="line.421"></a>
+<span class="sourceLineNo">422</span><a name="line.422"></a>
+<span class="sourceLineNo">423</span> /** delimiter used between portions of a region name */<a name="line.423"></a>
+<span class="sourceLineNo">424</span> public static final int META_ROW_DELIMITER = ',';<a name="line.424"></a>
+<span class="sourceLineNo">425</span><a name="line.425"></a>
+<span class="sourceLineNo">426</span> /** The catalog family as a string*/<a name="line.426"></a>
+<span class="sourceLineNo">427</span> public static final String CATALOG_FAMILY_STR = "info";<a name="line.427"></a>
+<span class="sourceLineNo">428</span><a name="line.428"></a>
+<span class="sourceLineNo">429</span> /** The catalog family */<a name="line.429"></a>
+<span class="sourceLineNo">430</span> public static final byte [] CATALOG_FAMILY = Bytes.toBytes(CATALOG_FAMILY_STR);<a name="line.430"></a>
+<span class="sourceLineNo">431</span><a name="line.431"></a>
+<span class="sourceLineNo">432</span> /** The RegionInfo qualifier as a string */<a name="line.432"></a>
+<span class="sourceLineNo">433</span> public static final String REGIONINFO_QUALIFIER_STR = "regioninfo";<a name="line.433"></a>
+<span class="sourceLineNo">434</span><a name="line.434"></a>
+<span class="sourceLineNo">435</span> /** The regioninfo column qualifier */<a name="line.435"></a>
+<span class="sourceLineNo">436</span> public static final byte [] REGIONINFO_QUALIFIER = Bytes.toBytes(REGIONINFO_QUALIFIER_STR);<a name="line.436"></a>
+<span class="sourceLineNo">437</span><a name="line.437"></a>
<span class="sourceLineNo">438</span> /** The server column qualifier */<a name="line.438"></a>
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-<span class="sourceLineNo">440</span><a name="line.440"></a>
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-<span class="sourceLineNo">442</span> public static final String STARTCODE_QUALIFIER_STR = "serverstartcode";<a name="line.442"></a>
+<span class="sourceLineNo">439</span> public static final String SERVER_QUALIFIER_STR = "server";<a name="line.439"></a>
+<span class="sourceLineNo">440</span> /** The server column qualifier */<a name="line.440"></a>
+<span class="sourceLineNo">441</span> public static final byte [] SERVER_QUALIFIER = Bytes.toBytes(SERVER_QUALIFIER_STR);<a name="line.441"></a>
+<span class="sourceLineNo">442</span><a name="line.442"></a>
<span class="sourceLineNo">443</span> /** The startcode column qualifier */<a name="line.443"></a>
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-<span class="sourceLineNo">445</span><a name="line.445"></a>
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-<span class="sourceLineNo">447</span> public static final String SEQNUM_QUALIFIER_STR = "seqnumDuringOpen";<a name="line.447"></a>
+<span class="sourceLineNo">444</span> public static final String STARTCODE_QUALIFIER_STR = "serverstartcode";<a name="line.444"></a>
+<span class="sourceLineNo">445</span> /** The startcode column qualifier */<a name="line.445"></a>
+<span class="sourceLineNo">446</span> public static final byte [] STARTCODE_QUALIFIER = Bytes.toBytes(STARTCODE_QUALIFIER_STR);<a name="line.446"></a>
+<span class="sourceLineNo">447</span><a name="line.447"></a>
<span class="sourceLineNo">448</span> /** The open seqnum column qualifier */<a name="line.448"></a>
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-<span class="sourceLineNo">450</span><a name="line.450"></a>
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-<span class="sourceLineNo">453</span><a name="line.453"></a>
-<span class="sourceLineNo">454</span> public static final byte [] STATE_QUALIFIER = Bytes.toBytes(STATE_QUALIFIER_STR);<a name="line.454"></a>
+<span class="sourceLineNo">449</span> public static final String SEQNUM_QUALIFIER_STR = "seqnumDuringOpen";<a name="line.449"></a>
+<span class="sourceLineNo">450</span> /** The open seqnum column qualifier */<a name="line.450"></a>
+<span class="sourceLineNo">451</span> public static final byte [] SEQNUM_QUALIFIER = Bytes.toBytes(SEQNUM_QUALIFIER_STR);<a name="line.451"></a>
+<span class="sourceLineNo">452</span><a name="line.452"></a>
+<span class="sourceLineNo">453</span> /** The state column qualifier */<a name="line.453"></a>
+<span class="sourceLineNo">454</span> public static final String STATE_QUALIFIER_STR = "state";<a name="line.454"></a>
<span class="sourceLineNo">455</span><a name="line.455"></a>
-<span class="sourceLineNo">456</span> /**<a name="line.456"></a>
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-<span class="sourceLineNo">458</span> * transitioning on, while column server is the server where the region is<a name="line.458"></a>
-<span class="sourceLineNo">459</span> * opened on. They are the same when the region is in state OPEN.<a name="line.459"></a>
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-<span class="sourceLineNo">463</span> public static final byte [] SERVERNAME_QUALIFIER = Bytes.toBytes(SERVERNAME_QUALIFIER_STR);<a name="line.463"></a>
+<span class="sourceLineNo">456</span> public static final byte [] STATE_QUALIFIER = Bytes.toBytes(STATE_QUALIFIER_STR);<a name="line.456"></a>
+<span class="sourceLineNo">457</span><a name="line.457"></a>
+<span class="sourceLineNo">458</span> /**<a name="line.458"></a>
+<span class="sourceLineNo">459</span> * The serverName column qualifier. Its the server where the region is<a name="line.459"></a>
+<span class="sourceLineNo">460</span> * transitioning on, while column server is the server where the region is<a name="line.460"></a>
+<span class="sourceLineNo">461</span> * opened on. They are the same when the region is in state OPEN.<a name="line.461"></a>
+<span class="sourceLineNo">462</span> */<a name="line.462"></a>
+<span class="sourceLineNo">463</span> public static final String SERVERNAME_QUALIFIER_STR = "sn";<a name="line.463"></a>
<span class="sourceLineNo">464</span><a name="line.464"></a>
-<span class="sourceLineNo">465</span> /** The lower-half split region column qualifier */<a name="line.465"></a>
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-<span class="sourceLineNo">467</span><a name="line.467"></a>
-<span class="sourceLineNo">468</span> /** The upper-half split region column qualifier */<a name="line.468"></a>
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-<span class="sourceLineNo">470</span><a name="line.470"></a>
-<span class="sourceLineNo">471</span> /** The lower-half merge region column qualifier */<a name="line.471"></a>
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-<span class="sourceLineNo">473</span><a name="line.473"></a>
-<span class="sourceLineNo">474</span> /** The upper-half merge region column qualifier */<a name="line.474"></a>
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-<span class="sourceLineNo">476</span><a name="line.476"></a>
-<span class="sourceLineNo">477</span> /** The catalog family as a string*/<a name="line.477"></a>
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-<span class="sourceLineNo">480</span> /** The catalog family */<a name="line.480"></a>
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-<span class="sourceLineNo">482</span><a name="line.482"></a>
-<span class="sourceLineNo">483</span> /** The serialized table state qualifier */<a name="line.483"></a>
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-<span class="sourceLineNo">485</span><a name="line.485"></a>
-<span class="sourceLineNo">486</span><a name="line.486"></a>
-<span class="sourceLineNo">487</span> /**<a name="line.487"></a>
-<span class="sourceLineNo">488</span> * The meta table version column qualifier.<a name="line.488"></a>
-<span class="sourceLineNo">489</span> * We keep current version of the meta table in this column in <code>-ROOT-</code><a name="line.489"></a>
-<span class="sourceLineNo">490</span> * table: i.e. in the 'info:v' column.<a name="line.490"></a>
-<span class="sourceLineNo">491</span> */<a name="line.491"></a>
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-<span class="sourceLineNo">493</span><a name="line.493"></a>
-<span class="sourceLineNo">494</span> /**<a name="line.494"></a>
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-<span class="sourceLineNo">499</span> * Writable serialization, and HRegionInfo's does not contain HTableDescriptors.<a name="line.499"></a>
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-<span class="sourceLineNo">501</span> * byte[] serialization from Writables to Protobuf.<a name="line.501"></a>
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-<span class="sourceLineNo">505</span><a name="line.505"></a>
-<span class="sourceLineNo">506</span> // Other constants<a name="line.506"></a>
+<span class="sourceLineNo">465</span> public static final byte [] SERVERNAME_QUALIFIER = Bytes.toBytes(SERVERNAME_QUALIFIER_STR);<a name="line.465"></a>
+<span class="sourceLineNo">466</span><a name="line.466"></a>
+<span class="sourceLineNo">467</span> /** The lower-half split region column qualifier */<a name="line.467"></a>
+<span class="sourceLineNo">468</span> public static final byte [] SPLITA_QUALIFIER = Bytes.toBytes("splitA");<a name="line.468"></a>
+<span class="sourceLineNo">469</span><a name="line.469"></a>
+<span class="sourceLineNo">470</span> /** The upper-half split region column qualifier */<a name="line.470"></a>
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+<span class="sourceLineNo">472</span><a name="line.472"></a>
+<span class="sourceLineNo">473</span> /** The lower-half merge region column qualifier */<a name="line.473"></a>
+<span class="sourceLineNo">474</span> public static final byte[] MERGEA_QUALIFIER = Bytes.toBytes("mergeA");<a name="line.474"></a>
+<span class="sourceLineNo">475</span><a name="line.475"></a>
+<span class="sourceLineNo">476</span> /** The upper-half merge region column qualifier */<a name="line.476"></a>
+<span class="sourceLineNo">477</span> public static final byte[] MERGEB_QUALIFIER = Bytes.toBytes("mergeB");<a name="line.477"></a>
+<span class="sourceLineNo">478</span><a name="line.478"></a>
+<span class="sourceLineNo">479</span> /** The catalog family as a string*/<a name="line.479"></a>
+<span class="sourceLineNo">480</span> public static final String TABLE_FAMILY_STR = "table";<a name="line.480"></a>
+<span class="sourceLineNo">481</span><a name="line.481"></a>
+<span class="sourceLineNo">482</span> /** The catalog family */<a name="line.482"></a>
+<span class="sourceLineNo">483</span> public static final byte [] TABLE_FAMILY = Bytes.toBytes(TABLE_FAMILY_STR);<a name="line.483"></a>
+<span class="sourceLineNo">484</span><a name="line.484"></a>
+<span class="sourceLineNo">485</span> /** The serialized table state qualifier */<a name="line.485"></a>
+<span class="sourceLineNo">486</span> public static final byte[] TABLE_STATE_QUALIFIER = Bytes.toBytes("state");<a name="line.486"></a>
+<span class="sourceLineNo">487</span><a name="line.487"></a>
+<span class="sourceLineNo">488</span><a name="line.488"></a>
+<span class="sourceLineNo">489</span> /**<a name="line.489"></a>
+<span class="sourceLineNo">490</span> * The meta table version column qualifier.<a name="line.490"></a>
+<span class="sourceLineNo">491</span> * We keep current version of the meta table in this column in <code>-ROOT-</code><a name="line.491"></a>
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+<span class="sourceLineNo">493</span> */<a name="line.493"></a>
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+<span class="sourceLineNo">495</span><a name="line.495"></a>
+<span class="sourceLineNo">496</span> /**<a name="line.496"></a>
+<span class="sourceLineNo">497</span> * The current version of the meta table.<a name="line.497"></a>
+<span class="sourceLineNo">498</span> * - pre-hbase 0.92. There is no META_VERSION column in the root table<a name="line.498"></a>
+<span class="sourceLineNo">499</span> * in this case. The meta has HTableDescriptor serialized into the HRegionInfo;<a name="line.499"></a>
+<span class="sourceLineNo">500</span> * - version 0 is 0.92 and 0.94. Meta data has serialized HRegionInfo's using<a name="line.500"></a>
+<span class="sourceLineNo">501</span> * Writable serialization, and HRegionInfo's does not contain HTableDescriptors.<a name="line.501"></a>
+<span class="sourceLineNo">502</span> * - version 1 for 0.96+ keeps HRegionInfo data structures, but changes the<a name="line.502"></a>
+<span class="sourceLineNo">503</span> * byte[] serialization from Writables to Protobuf.<a name="line.503"></a>
+<span class="sourceLineNo">504</span> * See HRegionInfo.VERSION<a name="line.504"></a>
+<span class="sourceLineNo">505</span> */<a name="line.505"></a>
+<span class="sourceLineNo">506</span> public static final short META_VERSION = 1;<a name="line.506"></a>
<span class="sourceLineNo">507</span><a name="line.507"></a>
-<span class="sourceLineNo">508</span> /**<a name="line.508"></a>
<TRUNCATED>
[41/51] [partial] hbase-site git commit: Published site at
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-<span class="sourceLineNo">193</span> nextState.keyLength);<a name="line.193"></a>
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<div class="block">A configuration key for regionserver info port</div>
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<div class="block">A flag that enables automatic selection of regionserver info port</div>
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[03/51] [partial] hbase-site git commit: Published site at
7dabcf23e8dd53f563981e1e03f82336fc0a44da.
Posted by mi...@apache.org.
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<span class="sourceLineNo">026</span>import java.util.concurrent.locks.Lock;<a name="line.26"></a>
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-<span class="sourceLineNo">111</span> // How to get the estimate correctly? if it is a singleBB?<a name="line.111"></a>
-<span class="sourceLineNo">112</span> public static final int MULTI_BYTE_BUFFER_HEAP_SIZE =<a name="line.112"></a>
-<span class="sourceLineNo">113</span> (int)ClassSize.estimateBase(MultiByteBuff.class, false);<a name="line.113"></a>
-<span class="sourceLineNo">114</span><a name="line.114"></a>
-<span class="sourceLineNo">115</span> // meta.usesHBaseChecksum+offset+nextBlockOnDiskSizeWithHeader<a name="line.115"></a>
-<span class="sourceLineNo">116</span> public static final int EXTRA_SERIALIZATION_SPACE = Bytes.SIZEOF_BYTE + Bytes.SIZEOF_INT<a name="line.116"></a>
-<span class="sourceLineNo">117</span> + Bytes.SIZEOF_LONG;<a name="line.117"></a>
-<span class="sourceLineNo">118</span><a name="line.118"></a>
-<span class="sourceLineNo">119</span> /**<a name="line.119"></a>
-<span class="sourceLineNo">120</span> * Each checksum value is an integer that can be stored in 4 bytes.<a name="line.120"></a>
-<span class="sourceLineNo">121</span> */<a name="line.121"></a>
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-<span class="sourceLineNo">124</span> static final CacheableDeserializer<Cacheable> blockDeserializer =<a name="line.124"></a>
-<span class="sourceLineNo">125</span> new CacheableDeserializer<Cacheable>() {<a name="line.125"></a>
-<span class="sourceLineNo">126</span> public HFileBlock deserialize(ByteBuff buf, boolean reuse, MemoryType memType)<a name="line.126"></a>
-<span class="sourceLineNo">127</span> throws IOException {<a name="line.127"></a>
-<span class="sourceLineNo">128</span> buf.limit(buf.limit() - HFileBlock.EXTRA_SERIALIZATION_SPACE).rewind();<a name="line.128"></a>
-<span class="sourceLineNo">129</span> ByteBuff newByteBuffer;<a name="line.129"></a>
-<span class="sourceLineNo">130</span> if (reuse) {<a name="line.130"></a>
-<span class="sourceLineNo">131</span> newByteBuffer = buf.slice();<a name="line.131"></a>
-<span class="sourceLineNo">132</span> } else {<a name="line.132"></a>
-<span class="sourceLineNo">133</span> // Used only in tests<a name="line.133"></a>
-<span class="sourceLineNo">134</span> int len = buf.limit();<a name="line.134"></a>
-<span class="sourceLineNo">135</span> newByteBuffer = new SingleByteBuff(ByteBuffer.allocate(len));<a name="line.135"></a>
-<span class="sourceLineNo">136</span> newByteBuffer.put(0, buf, buf.position(), len);<a name="line.136"></a>
-<span class="sourceLineNo">137</span> }<a name="line.137"></a>
-<span class="sourceLineNo">138</span> buf.position(buf.limit());<a name="line.138"></a>
-<span class="sourceLineNo">139</span> buf.limit(buf.limit() + HFileBlock.EXTRA_SERIALIZATION_SPACE);<a name="line.139"></a>
-<span class="sourceLineNo">140</span> boolean usesChecksum = buf.get() == (byte)1;<a name="line.140"></a>
-<span class="sourceLineNo">141</span> HFileBlock hFileBlock = new HFileBlock(newByteBuffer, usesChecksum, memType);<a name="line.141"></a>
-<span class="sourceLineNo">142</span> hFileBlock.offset = buf.getLong();<a name="line.142"></a>
-<span class="sourceLineNo">143</span> hFileBlock.nextBlockOnDiskSizeWithHeader = buf.getInt();<a name="line.143"></a>
-<span class="sourceLineNo">144</span> if (hFileBlock.hasNextBlockHeader()) {<a name="line.144"></a>
-<span class="sourceLineNo">145</span> hFileBlock.buf.limit(hFileBlock.buf.limit() - hFileBlock.headerSize());<a name="line.145"></a>
-<span class="sourceLineNo">146</span> }<a name="line.146"></a>
-<span class="sourceLineNo">147</span> return hFileBlock;<a name="line.147"></a>
-<span class="sourceLineNo">148</span> }<a name="line.148"></a>
-<span class="sourceLineNo">149</span><a name="line.149"></a>
-<span class="sourceLineNo">150</span> @Override<a name="line.150"></a>
-<span class="sourceLineNo">151</span> public int getDeserialiserIdentifier() {<a name="line.151"></a>
-<span class="sourceLineNo">152</span> return deserializerIdentifier;<a name="line.152"></a>
-<span class="sourceLineNo">153</span> }<a name="line.153"></a>
-<span class="sourceLineNo">154</span><a name="line.154"></a>
-<span class="sourceLineNo">155</span> @Override<a name="line.155"></a>
-<span class="sourceLineNo">156</span> public HFileBlock deserialize(ByteBuff b) throws IOException {<a name="line.156"></a>
-<span class="sourceLineNo">157</span> // Used only in tests<a name="line.157"></a>
-<span class="sourceLineNo">158</span> return deserialize(b, false, MemoryType.EXCLUSIVE);<a name="line.158"></a>
-<span class="sourceLineNo">159</span> }<a name="line.159"></a>
-<span class="sourceLineNo">160</span> };<a name="line.160"></a>
-<span class="sourceLineNo">161</span> private static final int deserializerIdentifier;<a name="line.161"></a>
-<span class="sourceLineNo">162</span> static {<a name="line.162"></a>
-<span class="sourceLineNo">163</span> deserializerIdentifier = CacheableDeserializerIdManager<a name="line.163"></a>
-<span class="sourceLineNo">164</span> .registerDeserializer(blockDeserializer);<a name="line.164"></a>
-<span class="sourceLineNo">165</span> }<a name="line.165"></a>
-<span class="sourceLineNo">166</span><a name="line.166"></a>
-<span class="sourceLineNo">167</span> /** Type of block. Header field 0. */<a name="line.167"></a>
-<span class="sourceLineNo">168</span> private BlockType blockType;<a name="line.168"></a>
-<span class="sourceLineNo">169</span><a name="line.169"></a>
-<span class="sourceLineNo">170</span> /** Size on disk excluding header, including checksum. Header field 1. */<a name="line.170"></a>
-<span class="sourceLineNo">171</span> private int onDiskSizeWithoutHeader;<a name="line.171"></a>
-<span class="sourceLineNo">172</span><a name="line.172"></a>
-<span class="sourceLineNo">173</span> /** Size of pure data. Does not include header or checksums. Header field 2. */<a name="line.173"></a>
-<span class="sourceLineNo">174</span> private final int uncompressedSizeWithoutHeader;<a name="line.174"></a>
-<span class="sourceLineNo">175</span><a name="line.175"></a>
-<span class="sourceLineNo">176</span> /** The offset of the previous block on disk. Header field 3. */<a name="line.176"></a>
-<span class="sourceLineNo">177</span> private final long prevBlockOffset;<a name="line.177"></a>
-<span class="sourceLineNo">178</span><a name="line.178"></a>
-<span class="sourceLineNo">179</span> /**<a name="line.179"></a>
-<span class="sourceLineNo">180</span> * Size on disk of header + data. Excludes checksum. Header field 6,<a name="line.180"></a>
-<span class="sourceLineNo">181</span> * OR calculated from {@link #onDiskSizeWithoutHeader} when using HDFS checksum.<a name="line.181"></a>
-<span class="sourceLineNo">182</span> */<a name="line.182"></a>
-<span class="sourceLineNo">183</span> private final int onDiskDataSizeWithHeader;<a name="line.183"></a>
-<span class="sourceLineNo">184</span><a name="line.184"></a>
-<span class="sourceLineNo">185</span> /** The in-memory representation of the hfile block */<a name="line.185"></a>
-<span class="sourceLineNo">186</span> private ByteBuff buf;<a name="line.186"></a>
-<span class="sourceLineNo">187</span><a name="line.187"></a>
-<span class="sourceLineNo">188</span> /** Meta data that holds meta information on the hfileblock */<a name="line.188"></a>
-<span class="sourceLineNo">189</span> private HFileContext fileContext;<a name="line.189"></a>
+<span class="sourceLineNo">029</span>import org.apache.commons.logging.Log;<a name="line.29"></a>
+<span class="sourceLineNo">030</span>import org.apache.commons.logging.LogFactory;<a name="line.30"></a>
+<span class="sourceLineNo">031</span>import org.apache.hadoop.fs.FSDataInputStream;<a name="line.31"></a>
+<span class="sourceLineNo">032</span>import org.apache.hadoop.fs.FSDataOutputStream;<a name="line.32"></a>
+<span class="sourceLineNo">033</span>import org.apache.hadoop.fs.Path;<a name="line.33"></a>
+<span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.Cell;<a name="line.34"></a>
+<span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.HConstants;<a name="line.35"></a>
+<span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.classification.InterfaceAudience;<a name="line.36"></a>
+<span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.fs.HFileSystem;<a name="line.37"></a>
+<span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.io.FSDataInputStreamWrapper;<a name="line.38"></a>
+<span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.io.ByteArrayOutputStream;<a name="line.39"></a>
+<span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.io.ByteBuffInputStream;<a name="line.40"></a>
+<span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.io.ByteBufferSupportDataOutputStream;<a name="line.41"></a>
+<span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.io.encoding.DataBlockEncoding;<a name="line.42"></a>
+<span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.io.encoding.HFileBlockDecodingContext;<a name="line.43"></a>
+<span class="sourceLineNo">044</span>import org.apache.hadoop.hbase.io.encoding.HFileBlockDefaultDecodingContext;<a name="line.44"></a>
+<span class="sourceLineNo">045</span>import org.apache.hadoop.hbase.io.encoding.HFileBlockDefaultEncodingContext;<a name="line.45"></a>
+<span class="sourceLineNo">046</span>import org.apache.hadoop.hbase.io.encoding.HFileBlockEncodingContext;<a name="line.46"></a>
+<span class="sourceLineNo">047</span>import org.apache.hadoop.hbase.nio.ByteBuff;<a name="line.47"></a>
+<span class="sourceLineNo">048</span>import org.apache.hadoop.hbase.nio.MultiByteBuff;<a name="line.48"></a>
+<span class="sourceLineNo">049</span>import org.apache.hadoop.hbase.nio.SingleByteBuff;<a name="line.49"></a>
+<span class="sourceLineNo">050</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.50"></a>
+<span class="sourceLineNo">051</span>import org.apache.hadoop.hbase.util.ChecksumType;<a name="line.51"></a>
+<span class="sourceLineNo">052</span>import org.apache.hadoop.hbase.util.ClassSize;<a name="line.52"></a>
+<span class="sourceLineNo">053</span>import org.apache.hadoop.io.IOUtils;<a name="line.53"></a>
+<span class="sourceLineNo">054</span><a name="line.54"></a>
+<span class="sourceLineNo">055</span>import com.google.common.annotations.VisibleForTesting;<a name="line.55"></a>
+<span class="sourceLineNo">056</span>import com.google.common.base.Preconditions;<a name="line.56"></a>
+<span class="sourceLineNo">057</span><a name="line.57"></a>
+<span class="sourceLineNo">058</span>/**<a name="line.58"></a>
+<span class="sourceLineNo">059</span> * Reads {@link HFile} version 1 and version 2 blocks but writes version 2 blocks only.<a name="line.59"></a>
+<span class="sourceLineNo">060</span> * Version 2 was introduced in hbase-0.92.0. Does read and write out to the filesystem but also<a name="line.60"></a>
+<span class="sourceLineNo">061</span> * the read and write to Cache.<a name="line.61"></a>
+<span class="sourceLineNo">062</span> *<a name="line.62"></a>
+<span class="sourceLineNo">063</span> * <h3>HFileBlock: Version 1</h3><a name="line.63"></a>
+<span class="sourceLineNo">064</span> * As of this writing, there should be no more version 1 blocks found out in the wild. Version 2<a name="line.64"></a>
+<span class="sourceLineNo">065</span> * as introduced in hbase-0.92.0.<a name="line.65"></a>
+<span class="sourceLineNo">066</span> * In version 1 all blocks are always compressed or uncompressed, as<a name="line.66"></a>
+<span class="sourceLineNo">067</span> * specified by the {@link HFile}'s compression algorithm, with a type-specific<a name="line.67"></a>
+<span class="sourceLineNo">068</span> * magic record stored in the beginning of the compressed data (i.e. one needs<a name="line.68"></a>
+<span class="sourceLineNo">069</span> * to uncompress the compressed block to determine the block type). There is<a name="line.69"></a>
+<span class="sourceLineNo">070</span> * only a single compression algorithm setting for all blocks. Offset and size<a name="line.70"></a>
+<span class="sourceLineNo">071</span> * information from the block index are required to read a block.<a name="line.71"></a>
+<span class="sourceLineNo">072</span> * <h3>HFileBlock: Version 2</h3><a name="line.72"></a>
+<span class="sourceLineNo">073</span> * In version 2, a block is structured as follows:<a name="line.73"></a>
+<span class="sourceLineNo">074</span> * <ul><a name="line.74"></a>
+<span class="sourceLineNo">075</span> * <li><b>Header:</b> See Writer#putHeader(); header total size is HFILEBLOCK_HEADER_SIZE)<a name="line.75"></a>
+<span class="sourceLineNo">076</span> * <ul><a name="line.76"></a>
+<span class="sourceLineNo">077</span> * <li>Magic record identifying the {@link BlockType} (8 bytes): e.g. <code>DATABLK*</code><a name="line.77"></a>
+<span class="sourceLineNo">078</span> * <li>Compressed -- a.k.a 'on disk' -- block size, excluding header, but including<a name="line.78"></a>
+<span class="sourceLineNo">079</span> * tailing checksum bytes (4 bytes)<a name="line.79"></a>
+<span class="sourceLineNo">080</span> * <li>Uncompressed block size, excluding header, and excluding checksum bytes (4 bytes)<a name="line.80"></a>
+<span class="sourceLineNo">081</span> * <li>The offset of the previous block of the same type (8 bytes). This is<a name="line.81"></a>
+<span class="sourceLineNo">082</span> * used to navigate to the previous block without having to go to the block index<a name="line.82"></a>
+<span class="sourceLineNo">083</span> * <li>For minorVersions &gt;=1, the ordinal describing checksum type (1 byte)<a name="line.83"></a>
+<span class="sourceLineNo">084</span> * <li>For minorVersions &gt;=1, the number of data bytes/checksum chunk (4 bytes)<a name="line.84"></a>
+<span class="sourceLineNo">085</span> * <li>For minorVersions &gt;=1, the size of data 'on disk', including header,<a name="line.85"></a>
+<span class="sourceLineNo">086</span> * excluding checksums (4 bytes)<a name="line.86"></a>
+<span class="sourceLineNo">087</span> * </ul><a name="line.87"></a>
+<span class="sourceLineNo">088</span> * </li><a name="line.88"></a>
+<span class="sourceLineNo">089</span> * <li><b>Raw/Compressed/Encrypted/Encoded data:</b> The compression algorithm is the<a name="line.89"></a>
+<span class="sourceLineNo">090</span> * same for all the blocks in the {@link HFile}, similarly to what was done in<a name="line.90"></a>
+<span class="sourceLineNo">091</span> * version 1. If compression is NONE, this is just raw, serialized Cells.<a name="line.91"></a>
+<span class="sourceLineNo">092</span> * <li><b>Tail:</b> For minorVersions &gt;=1, a series of 4 byte checksums, one each for<a name="line.92"></a>
+<span class="sourceLineNo">093</span> * the number of bytes specified by bytesPerChecksum.<a name="line.93"></a>
+<span class="sourceLineNo">094</span> * </ul><a name="line.94"></a>
+<span class="sourceLineNo">095</span> * <p>Be aware that when we read from HDFS, we overread pulling in the next blocks' header too.<a name="line.95"></a>
+<span class="sourceLineNo">096</span> * We do this to save having to do two seeks to read an HFileBlock; a seek to read the header<a name="line.96"></a>
+<span class="sourceLineNo">097</span> * to figure lengths, etc., and then another seek to pull in the data.<a name="line.97"></a>
+<span class="sourceLineNo">098</span> */<a name="line.98"></a>
+<span class="sourceLineNo">099</span>@InterfaceAudience.Private<a name="line.99"></a>
+<span class="sourceLineNo">100</span>public class HFileBlock implements Cacheable {<a name="line.100"></a>
+<span class="sourceLineNo">101</span> private static final Log LOG = LogFactory.getLog(HFileBlock.class);<a name="line.101"></a>
+<span class="sourceLineNo">102</span><a name="line.102"></a>
+<span class="sourceLineNo">103</span> /**<a name="line.103"></a>
+<span class="sourceLineNo">104</span> * On a checksum failure, do these many succeeding read requests using hdfs checksums before<a name="line.104"></a>
+<span class="sourceLineNo">105</span> * auto-reenabling hbase checksum verification.<a name="line.105"></a>
+<span class="sourceLineNo">106</span> */<a name="line.106"></a>
+<span class="sourceLineNo">107</span> static final int CHECKSUM_VERIFICATION_NUM_IO_THRESHOLD = 3;<a name="line.107"></a>
+<span class="sourceLineNo">108</span><a name="line.108"></a>
+<span class="sourceLineNo">109</span> private static int UNSET = -1;<a name="line.109"></a>
+<span class="sourceLineNo">110</span> public static final boolean FILL_HEADER = true;<a name="line.110"></a>
+<span class="sourceLineNo">111</span> public static final boolean DONT_FILL_HEADER = false;<a name="line.111"></a>
+<span class="sourceLineNo">112</span><a name="line.112"></a>
+<span class="sourceLineNo">113</span> // How to get the estimate correctly? if it is a singleBB?<a name="line.113"></a>
+<span class="sourceLineNo">114</span> public static final int MULTI_BYTE_BUFFER_HEAP_SIZE =<a name="line.114"></a>
+<span class="sourceLineNo">115</span> (int)ClassSize.estimateBase(MultiByteBuff.class, false);<a name="line.115"></a>
+<span class="sourceLineNo">116</span><a name="line.116"></a>
+<span class="sourceLineNo">117</span> /**<a name="line.117"></a>
+<span class="sourceLineNo">118</span> * See #blockDeserializer method for more info.<a name="line.118"></a>
+<span class="sourceLineNo">119</span> * 13 bytes of extra stuff stuck on the end of the HFileBlock that we pull in from HDFS (note,<a name="line.119"></a>
+<span class="sourceLineNo">120</span> * when we read from HDFS, we pull in an HFileBlock AND the header of the next block if one).<a name="line.120"></a>
+<span class="sourceLineNo">121</span> * The 13 bytes are: usesHBaseChecksum (1 byte) + offset of this block (long) +<a name="line.121"></a>
+<span class="sourceLineNo">122</span> * nextBlockOnDiskSizeWithHeader (int).<a name="line.122"></a>
+<span class="sourceLineNo">123</span> */<a name="line.123"></a>
+<span class="sourceLineNo">124</span> public static final int EXTRA_SERIALIZATION_SPACE =<a name="line.124"></a>
+<span class="sourceLineNo">125</span> Bytes.SIZEOF_BYTE + Bytes.SIZEOF_INT + Bytes.SIZEOF_LONG;<a name="line.125"></a>
+<span class="sourceLineNo">126</span><a name="line.126"></a>
+<span class="sourceLineNo">127</span> /**<a name="line.127"></a>
+<span class="sourceLineNo">128</span> * Each checksum value is an integer that can be stored in 4 bytes.<a name="line.128"></a>
+<span class="sourceLineNo">129</span> */<a name="line.129"></a>
+<span class="sourceLineNo">130</span> static final int CHECKSUM_SIZE = Bytes.SIZEOF_INT;<a name="line.130"></a>
+<span class="sourceLineNo">131</span><a name="line.131"></a>
+<span class="sourceLineNo">132</span> static final byte[] DUMMY_HEADER_NO_CHECKSUM =<a name="line.132"></a>
+<span class="sourceLineNo">133</span> new byte[HConstants.HFILEBLOCK_HEADER_SIZE_NO_CHECKSUM];<a name="line.133"></a>
+<span class="sourceLineNo">134</span><a name="line.134"></a>
+<span class="sourceLineNo">135</span> /**<a name="line.135"></a>
+<span class="sourceLineNo">136</span> * Used deserializing blocks from Cache.<a name="line.136"></a>
+<span class="sourceLineNo">137</span> *<a name="line.137"></a>
+<span class="sourceLineNo">138</span> * Serializing to cache is a little hard to follow. See Writer#finishBlock for where it is done.<a name="line.138"></a>
+<span class="sourceLineNo">139</span> * When we start to append to a new HFileBlock,<a name="line.139"></a>
+<span class="sourceLineNo">140</span> * we skip over where the header should go before we start adding Cells. When the block is<a name="line.140"></a>
+<span class="sourceLineNo">141</span> * done, we'll then go back and fill in the header and the checksum tail. Be aware that what<a name="line.141"></a>
+<span class="sourceLineNo">142</span> * gets serialized into the blockcache is a byte array that contains an HFileBlock followed by<a name="line.142"></a>
+<span class="sourceLineNo">143</span> * its checksums and then the header of the next HFileBlock (needed to help navigate), followed<a name="line.143"></a>
+<span class="sourceLineNo">144</span> * again by an extra 13 bytes of meta info needed when time to recreate the HFileBlock from cache.<a name="line.144"></a>
+<span class="sourceLineNo">145</span> *<a name="line.145"></a>
+<span class="sourceLineNo">146</span> * ++++++++++++++<a name="line.146"></a>
+<span class="sourceLineNo">147</span> * + HFileBlock +<a name="line.147"></a>
+<span class="sourceLineNo">148</span> * ++++++++++++++<a name="line.148"></a>
+<span class="sourceLineNo">149</span> * + Checksums +<a name="line.149"></a>
+<span class="sourceLineNo">150</span> * ++++++++++++++<a name="line.150"></a>
+<span class="sourceLineNo">151</span> * + NextHeader +<a name="line.151"></a>
+<span class="sourceLineNo">152</span> * ++++++++++++++<a name="line.152"></a>
+<span class="sourceLineNo">153</span> * + ExtraMeta! +<a name="line.153"></a>
+<span class="sourceLineNo">154</span> * ++++++++++++++<a name="line.154"></a>
+<span class="sourceLineNo">155</span> *<a name="line.155"></a>
+<span class="sourceLineNo">156</span> * TODO: Fix it so we do NOT put the NextHeader into blockcache. It is not necessary.<a name="line.156"></a>
+<span class="sourceLineNo">157</span> */<a name="line.157"></a>
+<span class="sourceLineNo">158</span> static final CacheableDeserializer<Cacheable> blockDeserializer =<a name="line.158"></a>
+<span class="sourceLineNo">159</span> new CacheableDeserializer<Cacheable>() {<a name="line.159"></a>
+<span class="sourceLineNo">160</span> public HFileBlock deserialize(ByteBuff buf, boolean reuse, MemoryType memType)<a name="line.160"></a>
+<span class="sourceLineNo">161</span> throws IOException {<a name="line.161"></a>
+<span class="sourceLineNo">162</span> // Rewind to just before the EXTRA_SERIALIZATION_SPACE.<a name="line.162"></a>
+<span class="sourceLineNo">163</span> buf.limit(buf.limit() - HFileBlock.EXTRA_SERIALIZATION_SPACE).rewind();<a name="line.163"></a>
+<span class="sourceLineNo">164</span> // Get a new buffer to pass the deserialized HFileBlock for it to 'own'.<a name="line.164"></a>
+<span class="sourceLineNo">165</span> ByteBuff newByteBuffer;<a name="line.165"></a>
+<span class="sourceLineNo">166</span> if (reuse) {<a name="line.166"></a>
+<span class="sourceLineNo">167</span> newByteBuffer = buf.slice();<a name="line.167"></a>
+<span class="sourceLineNo">168</span> } else {<a name="line.168"></a>
+<span class="sourceLineNo">169</span> int len = buf.limit();<a name="line.169"></a>
+<span class="sourceLineNo">170</span> newByteBuffer = new SingleByteBuff(ByteBuffer.allocate(len));<a name="line.170"></a>
+<span class="sourceLineNo">171</span> newByteBuffer.put(0, buf, buf.position(), len);<a name="line.171"></a>
+<span class="sourceLineNo">172</span> }<a name="line.172"></a>
+<span class="sourceLineNo">173</span> // Read out the EXTRA_SERIALIZATION_SPACE content and shove into our HFileBlock.<a name="line.173"></a>
+<span class="sourceLineNo">174</span> buf.position(buf.limit());<a name="line.174"></a>
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+<span class="sourceLineNo">293</span> /**<a name="line.293"></a>
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-<span class="sourceLineNo">483</span> .append(" isUseHBaseChecksum()=").append(fileContext.isUseHBaseChecksum());<a name="line.483"></a>
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-<span class="sourceLineNo">485</span> sb.append(" checksumType=").append(ChecksumType.codeToType(this.buf.get(24)))<a name="line.485"></a>
-<span class="sourceLineNo">486</span> .append(" bytesPerChecksum=").append(this.buf.getInt(24 + 1))<a name="line.486"></a>
-<span class="sourceLineNo">487</span> .append(" onDiskDataSizeWithHeader=").append(onDiskDataSizeWithHeader);<a name="line.487"></a>
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-<span class="sourceLineNo">490</span> .append("(").append(onDiskSizeWithoutHeader)<a name="line.490"></a>
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-<span class="sourceLineNo">500</span> bufWithoutHeader.limit() - bufWithoutHeader.position())];<a name="line.500"></a>
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-<span class="sourceLineNo">533</span> + "header contains " + onDiskSizeWithoutHeader + ". " +<a name="line.533"></a>
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-<span class="sourceLineNo">539</span> * Retrieves the decompressed/decrypted view of this block. An encoded block remains in its<a name="line.539"></a>
-<span class="sourceLineNo">540</span> * encoded structure. Internal structures are shared between instances where applicable.<a name="line.540"></a>
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-<span class="sourceLineNo">543</span> if (!fileContext.isCompressedOrEncrypted()) {<a name="line.543"></a>
-<span class="sourceLineNo">544</span> // TODO: cannot use our own fileContext here because HFileBlock(ByteBuffer, boolean),<a name="line.544"></a>
-<span class="sourceLineNo">545</span> // which is used for block serialization to L2 cache, does not preserve encoding and<a name="line.545"></a>
-<span class="sourceLineNo">546</span> // encryption details.<a name="line.546"></a>
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-<span class="sourceLineNo">550</span> HFileBlock unpacked = new HFileBlock(this);<a name="line.550"></a>
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-<span class="sourceLineNo">553</span> HFileBlockDecodingContext ctx = blockType == BlockType.ENCODED_DATA ?<a name="line.553"></a>
-<span clas
<TRUNCATED>
[15/51] [partial] hbase-site git commit: Published site at
7dabcf23e8dd53f563981e1e03f82336fc0a44da.
Posted by mi...@apache.org.
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/3e48e84d/devapidocs/src-html/org/apache/hadoop/hbase/io/encoding/BufferedDataBlockEncoder.SeekerState.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/io/encoding/BufferedDataBlockEncoder.SeekerState.html b/devapidocs/src-html/org/apache/hadoop/hbase/io/encoding/BufferedDataBlockEncoder.SeekerState.html
index d8b6ca7..66dbcf3 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/io/encoding/BufferedDataBlockEncoder.SeekerState.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/io/encoding/BufferedDataBlockEncoder.SeekerState.html
@@ -31,12 +31,12 @@
<span class="sourceLineNo">023</span>import java.nio.ByteBuffer;<a name="line.23"></a>
<span class="sourceLineNo">024</span><a name="line.24"></a>
<span class="sourceLineNo">025</span>import org.apache.hadoop.hbase.ByteBufferedCell;<a name="line.25"></a>
-<span class="sourceLineNo">026</span>import org.apache.hadoop.hbase.Cell;<a name="line.26"></a>
-<span class="sourceLineNo">027</span>import org.apache.hadoop.hbase.CellComparator;<a name="line.27"></a>
-<span class="sourceLineNo">028</span>import org.apache.hadoop.hbase.CellUtil;<a name="line.28"></a>
-<span class="sourceLineNo">029</span>import org.apache.hadoop.hbase.HConstants;<a name="line.29"></a>
-<span class="sourceLineNo">030</span>import org.apache.hadoop.hbase.KeyValue;<a name="line.30"></a>
-<span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.ByteBufferedKeyOnlyKeyValue;<a name="line.31"></a>
+<span class="sourceLineNo">026</span>import org.apache.hadoop.hbase.ByteBufferedKeyOnlyKeyValue;<a name="line.26"></a>
+<span class="sourceLineNo">027</span>import org.apache.hadoop.hbase.Cell;<a name="line.27"></a>
+<span class="sourceLineNo">028</span>import org.apache.hadoop.hbase.CellComparator;<a name="line.28"></a>
+<span class="sourceLineNo">029</span>import org.apache.hadoop.hbase.CellUtil;<a name="line.29"></a>
+<span class="sourceLineNo">030</span>import org.apache.hadoop.hbase.HConstants;<a name="line.30"></a>
+<span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.KeyValue;<a name="line.31"></a>
<span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.KeyValue.Type;<a name="line.32"></a>
<span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.KeyValueUtil;<a name="line.33"></a>
<span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.SettableSequenceId;<a name="line.34"></a>
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<span class="sourceLineNo">052</span> */<a name="line.52"></a>
<span class="sourceLineNo">053</span>@InterfaceAudience.Private<a name="line.53"></a>
<span class="sourceLineNo">054</span>abstract class BufferedDataBlockEncoder implements DataBlockEncoder {<a name="line.54"></a>
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-<span class="sourceLineNo">062</span> throw new IOException(this.getClass().getName() + " only accepts "<a name="line.62"></a>
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-<span class="sourceLineNo">071</span> // It will be overhead to create the TagCompressionContext again and again for every block<a name="line.71"></a>
-<span class="sourceLineNo">072</span> // decoding.<a name="line.72"></a>
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-<span class="sourceLineNo">076</span> TagCompressionContext tagCompressionContext = new TagCompressionContext(<a name="line.76"></a>
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-<span class="sourceLineNo">078</span> decodingCtx.setTagCompressionContext(tagCompressionContext);<a name="line.78"></a>
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-<span class="sourceLineNo">084</span> return internalDecodeKeyValues(source, 0, 0, decodingCtx);<a name="line.84"></a>
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-<span class="sourceLineNo">086</span><a name="line.86"></a>
-<span class="sourceLineNo">087</span> /********************* common prefixes *************************/<a name="line.87"></a>
-<span class="sourceLineNo">088</span> // Having this as static is fine but if META is having DBE then we should<a name="line.88"></a>
-<span class="sourceLineNo">089</span> // change this.<a name="line.89"></a>
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-<span class="sourceLineNo">101</span><a name="line.101"></a>
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-<span class="sourceLineNo">113</span> protected int keyLength;<a name="line.113"></a>
-<span class="sourceLineNo">114</span> protected int valueLength;<a name="line.114"></a>
-<span class="sourceLineNo">115</span> protected int lastCommonPrefix;<a name="line.115"></a>
-<span class="sourceLineNo">116</span> protected int tagsLength = 0;<a name="line.116"></a>
-<span class="sourceLineNo">117</span> protected int tagsOffset = -1;<a name="line.117"></a>
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-<span class="sourceLineNo">120</span><a name="line.120"></a>
-<span class="sourceLineNo">121</span> /** We need to store a copy of the key. */<a name="line.121"></a>
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-<span class="sourceLineNo">123</span> protected byte[] tagsBuffer = new byte[INITIAL_KEY_BUFFER_SIZE];<a name="line.123"></a>
-<span class="sourceLineNo">124</span><a name="line.124"></a>
-<span class="sourceLineNo">125</span> protected long memstoreTS;<a name="line.125"></a>
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-<span class="sourceLineNo">155</span> newKeyBufferLength *= 2;<a name="line.155"></a>
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-<span class="sourceLineNo">157</span> byte[] newKeyBuffer = new byte[newKeyBufferLength];<a name="line.157"></a>
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-<span class="sourceLineNo">159</span> keyBuffer = newKeyBuffer;<a name="line.159"></a>
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-<span class="sourceLineNo">164</span> if (tagsLength > tagsBuffer.length) {<a name="line.164"></a>
-<span class="sourceLineNo">165</span> // rare case, but we need to handle arbitrary length of tags<a name="line.165"></a>
-<span class="sourceLineNo">166</span> int newTagsBufferLength = Math.max(tagsBuffer.length, 1) * 2;<a name="line.166"></a>
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-<span class="sourceLineNo">172</span> tagsBuffer = newTagsBuffer;<a name="line.172"></a>
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-<span class="sourceLineNo">181</span> /**<a name="line.181"></a>
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-<span class="sourceLineNo">134</span> int len = buf.limit();<a name="line.134"></a>
-<span class="sourceLineNo">135</span> newByteBuffer = new SingleByteBuff(ByteBuffer.allocate(len));<a name="line.135"></a>
-<span class="sourceLineNo">136</span> newByteBuffer.put(0, buf, buf.position(), len);<a name="line.136"></a>
-<span class="sourceLineNo">137</span> }<a name="line.137"></a>
-<span class="sourceLineNo">138</span> buf.position(buf.limit());<a name="line.138"></a>
-<span class="sourceLineNo">139</span> buf.limit(buf.limit() + HFileBlock.EXTRA_SERIALIZATION_SPACE);<a name="line.139"></a>
-<span class="sourceLineNo">140</span> boolean usesChecksum = buf.get() == (byte)1;<a name="line.140"></a>
-<span class="sourceLineNo">141</span> HFileBlock hFileBlock = new HFileBlock(newByteBuffer, usesChecksum, memType);<a name="line.141"></a>
-<span class="sourceLineNo">142</span> hFileBlock.offset = buf.getLong();<a name="line.142"></a>
-<span class="sourceLineNo">143</span> hFileBlock.nextBlockOnDiskSizeWithHeader = buf.getInt();<a name="line.143"></a>
-<span class="sourceLineNo">144</span> if (hFileBlock.hasNextBlockHeader()) {<a name="line.144"></a>
-<span class="sourceLineNo">145</span> hFileBlock.buf.limit(hFileBlock.buf.limit() - hFileBlock.headerSize());<a name="line.145"></a>
-<span class="sourceLineNo">146</span> }<a name="line.146"></a>
-<span class="sourceLineNo">147</span> return hFileBlock;<a name="line.147"></a>
-<span class="sourceLineNo">148</span> }<a name="line.148"></a>
-<span class="sourceLineNo">149</span><a name="line.149"></a>
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-<span class="sourceLineNo">151</span> public int getDeserialiserIdentifier() {<a name="line.151"></a>
-<span class="sourceLineNo">152</span> return deserializerIdentifier;<a name="line.152"></a>
-<span class="sourceLineNo">153</span> }<a name="line.153"></a>
-<span class="sourceLineNo">154</span><a name="line.154"></a>
-<span class="sourceLineNo">155</span> @Override<a name="line.155"></a>
-<span class="sourceLineNo">156</span> public HFileBlock deserialize(ByteBuff b) throws IOException {<a name="line.156"></a>
-<span class="sourceLineNo">157</span> // Used only in tests<a name="line.157"></a>
-<span class="sourceLineNo">158</span> return deserialize(b, false, MemoryType.EXCLUSIVE);<a name="line.158"></a>
-<span class="sourceLineNo">159</span> }<a name="line.159"></a>
-<span class="sourceLineNo">160</span> };<a name="line.160"></a>
-<span class="sourceLineNo">161</span> private static final int deserializerIdentifier;<a name="line.161"></a>
-<span class="sourceLineNo">162</span> static {<a name="line.162"></a>
-<span class="sourceLineNo">163</span> deserializerIdentifier = CacheableDeserializerIdManager<a name="line.163"></a>
-<span class="sourceLineNo">164</span> .registerDeserializer(blockDeserializer);<a name="line.164"></a>
-<span class="sourceLineNo">165</span> }<a name="line.165"></a>
-<span class="sourceLineNo">166</span><a name="line.166"></a>
-<span class="sourceLineNo">167</span> /** Type of block. Header field 0. */<a name="line.167"></a>
-<span class="sourceLineNo">168</span> private BlockType blockType;<a name="line.168"></a>
-<span class="sourceLineNo">169</span><a name="line.169"></a>
-<span class="sourceLineNo">170</span> /** Size on disk excluding header, including checksum. Header field 1. */<a name="line.170"></a>
-<span class="sourceLineNo">171</span> private int onDiskSizeWithoutHeader;<a name="line.171"></a>
-<span class="sourceLineNo">172</span><a name="line.172"></a>
-<span class="sourceLineNo">173</span> /** Size of pure data. Does not include header or checksums. Header field 2. */<a name="line.173"></a>
-<span class="sourceLineNo">174</span> private final int uncompressedSizeWithoutHeader;<a name="line.174"></a>
-<span class="sourceLineNo">175</span><a name="line.175"></a>
-<span class="sourceLineNo">176</span> /** The offset of the previous block on disk. Header field 3. */<a name="line.176"></a>
-<span class="sourceLineNo">177</span> private final long prevBlockOffset;<a name="line.177"></a>
-<span class="sourceLineNo">178</span><a name="line.178"></a>
-<span class="sourceLineNo">179</span> /**<a name="line.179"></a>
-<span class="sourceLineNo">180</span> * Size on disk of header + data. Excludes checksum. Header field 6,<a name="line.180"></a>
-<span class="sourceLineNo">181</span> * OR calculated from {@link #onDiskSizeWithoutHeader} when using HDFS checksum.<a name="line.181"></a>
-<span class="sourceLineNo">182</span> */<a name="line.182"></a>
-<span class="sourceLineNo">183</span> private final int onDiskDataSizeWithHeader;<a name="line.183"></a>
-<span class="sourceLineNo">184</span><a name="line.184"></a>
-<span class="sourceLineNo">185</span> /** The in-memory representation of the hfile block */<a name="line.185"></a>
-<span class="sourceLineNo">186</span> private ByteBuff buf;<a name="line.186"></a>
-<span class="sourceLineNo">187</span><a name="line.187"></a>
-<span class="sourceLineNo">188</span> /** Meta data that holds meta information on the hfileblock */<a name="line.188"></a>
-<span class="sourceLineNo">189</span> private HFileContext fileContext;<a name="line.189"></a>
+<span class="sourceLineNo">029</span>import org.apache.commons.logging.Log;<a name="line.29"></a>
+<span class="sourceLineNo">030</span>import org.apache.commons.logging.LogFactory;<a name="line.30"></a>
+<span class="sourceLineNo">031</span>import org.apache.hadoop.fs.FSDataInputStream;<a name="line.31"></a>
+<span class="sourceLineNo">032</span>import org.apache.hadoop.fs.FSDataOutputStream;<a name="line.32"></a>
+<span class="sourceLineNo">033</span>import org.apache.hadoop.fs.Path;<a name="line.33"></a>
+<span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.Cell;<a name="line.34"></a>
+<span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.HConstants;<a name="line.35"></a>
+<span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.classification.InterfaceAudience;<a name="line.36"></a>
+<span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.fs.HFileSystem;<a name="line.37"></a>
+<span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.io.FSDataInputStreamWrapper;<a name="line.38"></a>
+<span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.io.ByteArrayOutputStream;<a name="line.39"></a>
+<span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.io.ByteBuffInputStream;<a name="line.40"></a>
+<span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.io.ByteBufferSupportDataOutputStream;<a name="line.41"></a>
+<span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.io.encoding.DataBlockEncoding;<a name="line.42"></a>
+<span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.io.encoding.HFileBlockDecodingContext;<a name="line.43"></a>
+<span class="sourceLineNo">044</span>import org.apache.hadoop.hbase.io.encoding.HFileBlockDefaultDecodingContext;<a name="line.44"></a>
+<span class="sourceLineNo">045</span>import org.apache.hadoop.hbase.io.encoding.HFileBlockDefaultEncodingContext;<a name="line.45"></a>
+<span class="sourceLineNo">046</span>import org.apache.hadoop.hbase.io.encoding.HFileBlockEncodingContext;<a name="line.46"></a>
+<span class="sourceLineNo">047</span>import org.apache.hadoop.hbase.nio.ByteBuff;<a name="line.47"></a>
+<span class="sourceLineNo">048</span>import org.apache.hadoop.hbase.nio.MultiByteBuff;<a name="line.48"></a>
+<span class="sourceLineNo">049</span>import org.apache.hadoop.hbase.nio.SingleByteBuff;<a name="line.49"></a>
+<span class="sourceLineNo">050</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.50"></a>
+<span class="sourceLineNo">051</span>import org.apache.hadoop.hbase.util.ChecksumType;<a name="line.51"></a>
+<span class="sourceLineNo">052</span>import org.apache.hadoop.hbase.util.ClassSize;<a name="line.52"></a>
+<span class="sourceLineNo">053</span>import org.apache.hadoop.io.IOUtils;<a name="line.53"></a>
+<span class="sourceLineNo">054</span><a name="line.54"></a>
+<span class="sourceLineNo">055</span>import com.google.common.annotations.VisibleForTesting;<a name="line.55"></a>
+<span class="sourceLineNo">056</span>import com.google.common.base.Preconditions;<a name="line.56"></a>
+<span class="sourceLineNo">057</span><a name="line.57"></a>
+<span class="sourceLineNo">058</span>/**<a name="line.58"></a>
+<span class="sourceLineNo">059</span> * Reads {@link HFile} version 1 and version 2 blocks but writes version 2 blocks only.<a name="line.59"></a>
+<span class="sourceLineNo">060</span> * Version 2 was introduced in hbase-0.92.0. Does read and write out to the filesystem but also<a name="line.60"></a>
+<span class="sourceLineNo">061</span> * the read and write to Cache.<a name="line.61"></a>
+<span class="sourceLineNo">062</span> *<a name="line.62"></a>
+<span class="sourceLineNo">063</span> * <h3>HFileBlock: Version 1</h3><a name="line.63"></a>
+<span class="sourceLineNo">064</span> * As of this writing, there should be no more version 1 blocks found out in the wild. Version 2<a name="line.64"></a>
+<span class="sourceLineNo">065</span> * as introduced in hbase-0.92.0.<a name="line.65"></a>
+<span class="sourceLineNo">066</span> * In version 1 all blocks are always compressed or uncompressed, as<a name="line.66"></a>
+<span class="sourceLineNo">067</span> * specified by the {@link HFile}'s compression algorithm, with a type-specific<a name="line.67"></a>
+<span class="sourceLineNo">068</span> * magic record stored in the beginning of the compressed data (i.e. one needs<a name="line.68"></a>
+<span class="sourceLineNo">069</span> * to uncompress the compressed block to determine the block type). There is<a name="line.69"></a>
+<span class="sourceLineNo">070</span> * only a single compression algorithm setting for all blocks. Offset and size<a name="line.70"></a>
+<span class="sourceLineNo">071</span> * information from the block index are required to read a block.<a name="line.71"></a>
+<span class="sourceLineNo">072</span> * <h3>HFileBlock: Version 2</h3><a name="line.72"></a>
+<span class="sourceLineNo">073</span> * In version 2, a block is structured as follows:<a name="line.73"></a>
+<span class="sourceLineNo">074</span> * <ul><a name="line.74"></a>
+<span class="sourceLineNo">075</span> * <li><b>Header:</b> See Writer#putHeader(); header total size is HFILEBLOCK_HEADER_SIZE)<a name="line.75"></a>
+<span class="sourceLineNo">076</span> * <ul><a name="line.76"></a>
+<span class="sourceLineNo">077</span> * <li>Magic record identifying the {@link BlockType} (8 bytes): e.g. <code>DATABLK*</code><a name="line.77"></a>
+<span class="sourceLineNo">078</span> * <li>Compressed -- a.k.a 'on disk' -- block size, excluding header, but including<a name="line.78"></a>
+<span class="sourceLineNo">079</span> * tailing checksum bytes (4 bytes)<a name="line.79"></a>
+<span class="sourceLineNo">080</span> * <li>Uncompressed block size, excluding header, and excluding checksum bytes (4 bytes)<a name="line.80"></a>
+<span class="sourceLineNo">081</span> * <li>The offset of the previous block of the same type (8 bytes). This is<a name="line.81"></a>
+<span class="sourceLineNo">082</span> * used to navigate to the previous block without having to go to the block index<a name="line.82"></a>
+<span class="sourceLineNo">083</span> * <li>For minorVersions &gt;=1, the ordinal describing checksum type (1 byte)<a name="line.83"></a>
+<span class="sourceLineNo">084</span> * <li>For minorVersions &gt;=1, the number of data bytes/checksum chunk (4 bytes)<a name="line.84"></a>
+<span class="sourceLineNo">085</span> * <li>For minorVersions &gt;=1, the size of data 'on disk', including header,<a name="line.85"></a>
+<span class="sourceLineNo">086</span> * excluding checksums (4 bytes)<a name="line.86"></a>
+<span class="sourceLineNo">087</span> * </ul><a name="line.87"></a>
+<span class="sourceLineNo">088</span> * </li><a name="line.88"></a>
+<span class="sourceLineNo">089</span> * <li><b>Raw/Compressed/Encrypted/Encoded data:</b> The compression algorithm is the<a name="line.89"></a>
+<span class="sourceLineNo">090</span> * same for all the blocks in the {@link HFile}, similarly to what was done in<a name="line.90"></a>
+<span class="sourceLineNo">091</span> * version 1. If compression is NONE, this is just raw, serialized Cells.<a name="line.91"></a>
+<span class="sourceLineNo">092</span> * <li><b>Tail:</b> For minorVersions &gt;=1, a series of 4 byte checksums, one each for<a name="line.92"></a>
+<span class="sourceLineNo">093</span> * the number of bytes specified by bytesPerChecksum.<a name="line.93"></a>
+<span class="sourceLineNo">094</span> * </ul><a name="line.94"></a>
+<span class="sourceLineNo">095</span> * <p>Be aware that when we read from HDFS, we overread pulling in the next blocks' header too.<a name="line.95"></a>
+<span class="sourceLineNo">096</span> * We do this to save having to do two seeks to read an HFileBlock; a seek to read the header<a name="line.96"></a>
+<span class="sourceLineNo">097</span> * to figure lengths, etc., and then another seek to pull in the data.<a name="line.97"></a>
+<span class="sourceLineNo">098</span> */<a name="line.98"></a>
+<span class="sourceLineNo">099</span>@InterfaceAudience.Private<a name="line.99"></a>
+<span class="sourceLineNo">100</span>public class HFileBlock implements Cacheable {<a name="line.100"></a>
+<span class="sourceLineNo">101</span> private static final Log LOG = LogFactory.getLog(HFileBlock.class);<a name="line.101"></a>
+<span class="sourceLineNo">102</span><a name="line.102"></a>
+<span class="sourceLineNo">103</span> /**<a name="line.103"></a>
+<span class="sourceLineNo">104</span> * On a checksum failure, do these many succeeding read requests using hdfs checksums before<a name="line.104"></a>
+<span class="sourceLineNo">105</span> * auto-reenabling hbase checksum verification.<a name="line.105"></a>
+<span class="sourceLineNo">106</span> */<a name="line.106"></a>
+<span class="sourceLineNo">107</span> static final int CHECKSUM_VERIFICATION_NUM_IO_THRESHOLD = 3;<a name="line.107"></a>
+<span class="sourceLineNo">108</span><a name="line.108"></a>
+<span class="sourceLineNo">109</span> private static int UNSET = -1;<a name="line.109"></a>
+<span class="sourceLineNo">110</span> public static final boolean FILL_HEADER = true;<a name="line.110"></a>
+<span class="sourceLineNo">111</span> public static final boolean DONT_FILL_HEADER = false;<a name="line.111"></a>
+<span class="sourceLineNo">112</span><a name="line.112"></a>
+<span class="sourceLineNo">113</span> // How to get the estimate correctly? if it is a singleBB?<a name="line.113"></a>
+<span class="sourceLineNo">114</span> public static final int MULTI_BYTE_BUFFER_HEAP_SIZE =<a name="line.114"></a>
+<span class="sourceLineNo">115</span> (int)ClassSize.estimateBase(MultiByteBuff.class, false);<a name="line.115"></a>
+<span class="sourceLineNo">116</span><a name="line.116"></a>
+<span class="sourceLineNo">117</span> /**<a name="line.117"></a>
+<span class="sourceLineNo">118</span> * See #blockDeserializer method for more info.<a name="line.118"></a>
+<span class="sourceLineNo">119</span> * 13 bytes of extra stuff stuck on the end of the HFileBlock that we pull in from HDFS (note,<a name="line.119"></a>
+<span class="sourceLineNo">120</span> * when we read from HDFS, we pull in an HFileBlock AND the header of the next block if one).<a name="line.120"></a>
+<span class="sourceLineNo">121</span> * The 13 bytes are: usesHBaseChecksum (1 byte) + offset of this block (long) +<a name="line.121"></a>
+<span class="sourceLineNo">122</span> * nextBlockOnDiskSizeWithHeader (int).<a name="line.122"></a>
+<span class="sourceLineNo">123</span> */<a name="line.123"></a>
+<span class="sourceLineNo">124</span> public static final int EXTRA_SERIALIZATION_SPACE =<a name="line.124"></a>
+<span class="sourceLineNo">125</span> Bytes.SIZEOF_BYTE + Bytes.SIZEOF_INT + Bytes.SIZEOF_LONG;<a name="line.125"></a>
+<span class="sourceLineNo">126</span><a name="line.126"></a>
+<span class="sourceLineNo">127</span> /**<a name="line.127"></a>
+<span class="sourceLineNo">128</span> * Each checksum value is an integer that can be stored in 4 bytes.<a name="line.128"></a>
+<span class="sourceLineNo">129</span> */<a name="line.129"></a>
+<span class="sourceLineNo">130</span> static final int CHECKSUM_SIZE = Bytes.SIZEOF_INT;<a name="line.130"></a>
+<span class="sourceLineNo">131</span><a name="line.131"></a>
+<span class="sourceLineNo">132</span> static final byte[] DUMMY_HEADER_NO_CHECKSUM =<a name="line.132"></a>
+<span class="sourceLineNo">133</span> new byte[HConstants.HFILEBLOCK_HEADER_SIZE_NO_CHECKSUM];<a name="line.133"></a>
+<span class="sourceLineNo">134</span><a name="line.134"></a>
+<span class="sourceLineNo">135</span> /**<a name="line.135"></a>
+<span class="sourceLineNo">136</span> * Used deserializing blocks from Cache.<a name="line.136"></a>
+<span class="sourceLineNo">137</span> *<a name="line.137"></a>
+<span class="sourceLineNo">138</span> * Serializing to cache is a little hard to follow. See Writer#finishBlock for where it is done.<a name="line.138"></a>
+<span class="sourceLineNo">139</span> * When we start to append to a new HFileBlock,<a name="line.139"></a>
+<span class="sourceLineNo">140</span> * we skip over where the header should go before we start adding Cells. When the block is<a name="line.140"></a>
+<span class="sourceLineNo">141</span> * done, we'll then go back and fill in the header and the checksum tail. Be aware that what<a name="line.141"></a>
+<span class="sourceLineNo">142</span> * gets serialized into the blockcache is a byte array that contains an HFileBlock followed by<a name="line.142"></a>
+<span class="sourceLineNo">143</span> * its checksums and then the header of the next HFileBlock (needed to help navigate), followed<a name="line.143"></a>
+<span class="sourceLineNo">144</span> * again by an extra 13 bytes of meta info needed when time to recreate the HFileBlock from cache.<a name="line.144"></a>
+<span class="sourceLineNo">145</span> *<a name="line.145"></a>
+<span class="sourceLineNo">146</span> * ++++++++++++++<a name="line.146"></a>
+<span class="sourceLineNo">147</span> * + HFileBlock +<a name="line.147"></a>
+<span class="sourceLineNo">148</span> * ++++++++++++++<a name="line.148"></a>
+<span class="sourceLineNo">149</span> * + Checksums +<a name="line.149"></a>
+<span class="sourceLineNo">150</span> * ++++++++++++++<a name="line.150"></a>
+<span class="sourceLineNo">151</span> * + NextHeader +<a name="line.151"></a>
+<span class="sourceLineNo">152</span> * ++++++++++++++<a name="line.152"></a>
+<span class="sourceLineNo">153</span> * + ExtraMeta! +<a name="line.153"></a>
+<span class="sourceLineNo">154</span> * ++++++++++++++<a name="line.154"></a>
+<span class="sourceLineNo">155</span> *<a name="line.155"></a>
+<span class="sourceLineNo">156</span> * TODO: Fix it so we do NOT put the NextHeader into blockcache. It is not necessary.<a name="line.156"></a>
+<span class="sourceLineNo">157</span> */<a name="line.157"></a>
+<span class="sourceLineNo">158</span> static final CacheableDeserializer<Cacheable> blockDeserializer =<a name="line.158"></a>
+<span class="sourceLineNo">159</span> new CacheableDeserializer<Cacheable>() {<a name="line.159"></a>
+<span class="sourceLineNo">160</span> public HFileBlock deserialize(ByteBuff buf, boolean reuse, MemoryType memType)<a name="line.160"></a>
+<span class="sourceLineNo">161</span> throws IOException {<a name="line.161"></a>
+<span class="sourceLineNo">162</span> // Rewind to just before the EXTRA_SERIALIZATION_SPACE.<a name="line.162"></a>
+<span class="sourceLineNo">163</span> buf.limit(buf.limit() - HFileBlock.EXTRA_SERIALIZATION_SPACE).rewind();<a name="line.163"></a>
+<span class="sourceLineNo">164</span> // Get a new buffer to pass the deserialized HFileBlock for it to 'own'.<a name="line.164"></a>
+<span class="sourceLineNo">165</span> ByteBuff newByteBuffer;<a name="line.165"></a>
+<span class="sourceLineNo">166</span> if (reuse) {<a name="line.166"></a>
+<span class="sourceLineNo">167</span> newByteBuffer = buf.slice();<a name="line.167"></a>
+<span class="sourceLineNo">168</span> } else {<a name="line.168"></a>
+<span class="sourceLineNo">169</span> int len = buf.limit();<a name="line.169"></a>
+<span class="sourceLineNo">170</span> newByteBuffer = new SingleByteBuff(ByteBuffer.allocate(len));<a name="line.170"></a>
+<span class="sourceLineNo">171</span> newByteBuffer.put(0, buf, buf.position(), len);<a name="line.171"></a>
+<span class="sourceLineNo">172</span> }<a name="line.172"></a>
+<span class="sourceLineNo">173</span> // Read out the EXTRA_SERIALIZATION_SPACE content and shove into our HFileBlock.<a name="line.173"></a>
+<span class="sourceLineNo">174</span> buf.position(buf.limit());<a name="line.174"></a>
+<span class="sourceLineNo">175</span> buf.limit(buf.limit() + HFileBlock.EXTRA_SERIALIZATION_SPACE);<a name="line.175"></a>
+<span class="sourceLineNo">176</span> boolean usesChecksum = buf.get() == (byte)1;<a name="line.176"></a>
+<span class="sourceLineNo">177</span> HFileBlock hFileBlock = new HFileBlock(newByteBuffer, usesChecksum, memType);<a name="line.177"></a>
+<span class="sourceLineNo">178</span> hFileBlock.offset = buf.getLong();<a name="line.178"></a>
+<span class="sourceLineNo">179</span> hFileBlock.nextBlockOnDiskSizeWithHeader = buf.getInt();<a name="line.179"></a>
+<span class="sourceLineNo">180</span> if (hFileBlock.hasNextBlockHeader()) {<a name="line.180"></a>
+<span class="sourceLineNo">181</span> hFileBlock.buf.limit(hFileBlock.buf.limit() - hFileBlock.headerSize());<a name="line.181"></a>
+<span class="sourceLineNo">182</span> }<a name="line.182"></a>
+<span class="sourceLineNo">183</span> return hFileBlock;<a name="line.183"></a>
+<span class="sourceLineNo">184</span> }<a name="line.184"></a>
+<span class="sourceLineNo">185</span><a name="line.185"></a>
+<span class="sourceLineNo">186</span> @Override<a name="line.186"></a>
+<span class="sourceLineNo">187</span> public int getDeserialiserIdentifier() {<a name="line.187"></a>
+<span class="sourceLineNo">188</span> return deserializerIdentifier;<a name="line.188"></a>
+<span class="sourceLineNo">189</span> }<a name="line.189"></a>
<span class="sourceLineNo">190</span><a name="line.190"></a>
-<span class="sourceLineNo">191</span> /**<a name="line.191"></a>
-<span class="sourceLineNo">192</span> * The offset of this block in the file. Populated by the reader for<a name="line.192"></a>
-<span class="sourceLineNo">193</span> * convenience of access. This offset is not part of the block header.<a name="line.193"></a>
-<span class="sourceLineNo">194</span> */<a name="line.194"></a>
-<span class="sourceLineNo">195</span> private long offset = -1;<a name="line.195"></a>
-<span class="sourceLineNo">196</span><a name="line.196"></a>
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-<span class="sourceLineNo">198</span> * The on-disk size of the next block, including the header, obtained by<a name="line.198"></a>
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+<span class="sourceLineNo">192</span> public HFileBlock deserialize(ByteBuff b) throws IOException {<a name="line.192"></a>
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+<span class="sourceLineNo">195</span> }<a name="line.195"></a>
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+<span class="sourceLineNo">200</span> deserializerIdentifier = CacheableDeserializerIdManager<a name="line.200"></a>
+<span class="sourceLineNo">201</span> .registerDeserializer(blockDeserializer);<a name="line.201"></a>
+<span class="sourceLineNo">202</span> }<a name="line.202"></a>
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+<span class="sourceLineNo">219</span> /**<a name="line.219"></a>
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+<span class="sourceLineNo">224</span><a name="line.224"></a>
+<span class="sourceLineNo">225</span> /**<a name="line.225"></a>
+<span class="sourceLineNo">226</span> * Size on disk of header + data. Excludes checksum. Header field 6,<a name="line.226"></a>
+<span class="sourceLineNo">227</span> * OR calculated from {@link #onDiskSizeWithoutHeader} when using HDFS checksum.<a name="line.227"></a>
+<span class="sourceLineNo">228</span> * @see Writer#putHeader(byte[], int, int, int, int)<a name="line.228"></a>
+<span class="sourceLineNo">229</span> */<a name="line.229"></a>
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+<span class="sourceLineNo">231</span><a name="line.231"></a>
+<span class="sourceLineNo">232</span> /** The in-memory representation of the hfile block */<a name="line.232"></a>
+<span class="sourceLineNo">233</span> private ByteBuff buf;<a name="line.233"></a>
+<span class="sourceLineNo">234</span><a name="line.234"></a>
+<span class="sourceLineNo">235</span> /** Meta data that holds meta information on the hfileblock */<a name="line.235"></a>
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-<span class="sourceLineNo">268</span> * to that point.<a name="line.268"></a>
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-<span class="sourceLineNo">274</span> /**<a name="line.274"></a>
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-<span class="sourceLineNo">278</span> * to that point.<a name="line.278"></a>
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+<span class="sourceLineNo">238</span> /**<a name="line.238"></a>
+<span class="sourceLineNo">239</span> * The offset of this block in the file. Populated by the reader for<a name="line.239"></a>
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+<span class="sourceLineNo">241</span> */<a name="line.241"></a>
+<span class="sourceLineNo">242</span> private long offset = UNSET;<a name="line.242"></a>
+<span class="sourceLineNo">243</span><a name="line.243"></a>
+<span class="sourceLineNo">244</span> /**<a name="line.244"></a>
+<span class="sourceLineNo">245</span> * The on-disk size of the next block, including the header, obtained by<a name="line.245"></a>
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+<span class="sourceLineNo">247</span> * header, or -1 if unknown.<a name="line.247"></a>
+<span class="sourceLineNo">248</span> */<a name="line.248"></a>
+<span class="sourceLineNo">249</span> private int nextBlockOnDiskSizeWithHeader = UNSET;<a name="line.249"></a>
+<span class="sourceLineNo">250</span><a name="line.250"></a>
+<span class="sourceLineNo">251</span> private MemoryType memType = MemoryType.EXCLUSIVE;<a name="line.251"></a>
+<span class="sourceLineNo">252</span><a name="line.252"></a>
+<span class="sourceLineNo">253</span> /**<a name="line.253"></a>
+<span class="sourceLineNo">254</span> * Creates a new {@link HFile} block from the given fields. This constructor<a name="line.254"></a>
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+<span class="sourceLineNo">256</span> * and is sitting in a byte buffer.<a name="line.256"></a>
+<span class="sourceLineNo">257</span> *<a name="line.257"></a>
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+<span class="sourceLineNo">260</span> * @param uncompressedSizeWithoutHeader see {@link #uncompressedSizeWithoutHeader}<a name="line.260"></a>
+<span class="sourceLineNo">261</span> * @param prevBlockOffset see {@link #prevBlockOffset}<a name="line.261"></a>
+<span class="sourceLineNo">262</span> * @param buf block header ({@link HConstants#HFILEBLOCK_HEADER_SIZE} bytes) followed by<a name="line.262"></a>
+<span class="sourceLineNo">263</span> * uncompressed data.<a name="line.263"></a>
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+<span class="sourceLineNo">265</span> * @param offset the file offset the block was read from<a name="line.265"></a>
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+<span class="sourceLineNo">267</span> * @param fileContext HFile meta data<a name="line.267"></a>
+<span class="sourceLineNo">268</span> */<a name="line.268"></a>
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+<span class="sourceLineNo">292</span><a name="line.292"></a>
+<span class="sourceLineNo">293</span> /**<a name="line.293"></a>
+<span class="sourceLineNo">294</span> * Copy constructor. Creates a shallow copy of {@code that}'s buffer.<a name="line.294"></a>
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+<span class="sourceLineNo">304</span> this.fileContext = that.fileContext;<a name="line.304"></a>
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-<span class="sourceLineNo">505</span> .append(" totalChecksumBytes()=").append(totalChecksumBytes())<a name="line.505"></a>
-<span class="sourceLineNo">506</span> .append(" isUnpacked()=").append(isUnpacked())<a name="line.506"></a>
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-<span class="sourceLineNo">550</span> HFileBlock unpacked = new HFileBlock(this);<a name="line.550"></a>
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<TRUNCATED>
[20/51] [partial] hbase-site git commit: Published site at
7dabcf23e8dd53f563981e1e03f82336fc0a44da.
Posted by mi...@apache.org.
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/3e48e84d/devapidocs/src-html/org/apache/hadoop/hbase/codec/prefixtree/PrefixTreeSeeker.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/codec/prefixtree/PrefixTreeSeeker.html b/devapidocs/src-html/org/apache/hadoop/hbase/codec/prefixtree/PrefixTreeSeeker.html
index 8e94eb6..6e7cf22 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/codec/prefixtree/PrefixTreeSeeker.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/codec/prefixtree/PrefixTreeSeeker.html
@@ -33,566 +33,565 @@
<span class="sourceLineNo">025</span>import org.apache.hadoop.hbase.CellComparator;<a name="line.25"></a>
<span class="sourceLineNo">026</span>import org.apache.hadoop.hbase.CellUtil;<a name="line.26"></a>
<span class="sourceLineNo">027</span>import org.apache.hadoop.hbase.KeyValue.Type;<a name="line.27"></a>
-<span class="sourceLineNo">028</span>import org.apache.hadoop.hbase.KeyValueUtil;<a name="line.28"></a>
-<span class="sourceLineNo">029</span>import org.apache.hadoop.hbase.SettableSequenceId;<a name="line.29"></a>
-<span class="sourceLineNo">030</span>import org.apache.hadoop.hbase.classification.InterfaceAudience;<a name="line.30"></a>
-<span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.codec.prefixtree.decode.DecoderFactory;<a name="line.31"></a>
-<span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.codec.prefixtree.decode.PrefixTreeArraySearcher;<a name="line.32"></a>
-<span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.codec.prefixtree.scanner.CellScannerPosition;<a name="line.33"></a>
-<span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.io.HeapSize;<a name="line.34"></a>
-<span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.io.encoding.DataBlockEncoder.EncodedSeeker;<a name="line.35"></a>
-<span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.nio.ByteBuff;<a name="line.36"></a>
-<span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.util.ByteBufferUtils;<a name="line.37"></a>
-<span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.38"></a>
-<span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.util.ClassSize;<a name="line.39"></a>
-<span class="sourceLineNo">040</span><a name="line.40"></a>
-<span class="sourceLineNo">041</span>/**<a name="line.41"></a>
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-<span class="sourceLineNo">043</span> *<a name="line.43"></a>
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-<span class="sourceLineNo">046</span> * but in order to create a new KeyValue object, we must first allocate a new byte[] and copy in<a name="line.46"></a>
-<span class="sourceLineNo">047</span> * the data from the PrefixTreeCell. It is somewhat heavyweight right now.<a name="line.47"></a>
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-<span class="sourceLineNo">049</span>@InterfaceAudience.Private<a name="line.49"></a>
-<span class="sourceLineNo">050</span>public class PrefixTreeSeeker implements EncodedSeeker {<a name="line.50"></a>
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-<span class="sourceLineNo">052</span> protected ByteBuffer block;<a name="line.52"></a>
-<span class="sourceLineNo">053</span> protected boolean includeMvccVersion;<a name="line.53"></a>
-<span class="sourceLineNo">054</span> protected PrefixTreeArraySearcher ptSearcher;<a name="line.54"></a>
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-<span class="sourceLineNo">056</span> public PrefixTreeSeeker(boolean includeMvccVersion) {<a name="line.56"></a>
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-<span class="sourceLineNo">062</span> ptSearcher = DecoderFactory.checkOut(fullBlockBuffer, includeMvccVersion);<a name="line.62"></a>
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-<span class="sourceLineNo">066</span> /**<a name="line.66"></a>
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-<span class="sourceLineNo">070</span> * TODO performance leak. should reuse the searchers. hbase does not currently have a hook where<a name="line.70"></a>
-<span class="sourceLineNo">071</span> * this can be called<a name="line.71"></a>
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-<span class="sourceLineNo">074</span> DecoderFactory.checkIn(ptSearcher);<a name="line.74"></a>
-<span class="sourceLineNo">075</span> }<a name="line.75"></a>
+<span class="sourceLineNo">028</span>import org.apache.hadoop.hbase.SettableSequenceId;<a name="line.28"></a>
+<span class="sourceLineNo">029</span>import org.apache.hadoop.hbase.classification.InterfaceAudience;<a name="line.29"></a>
+<span class="sourceLineNo">030</span>import org.apache.hadoop.hbase.codec.prefixtree.decode.DecoderFactory;<a name="line.30"></a>
+<span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.codec.prefixtree.decode.PrefixTreeArraySearcher;<a name="line.31"></a>
+<span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.codec.prefixtree.scanner.CellScannerPosition;<a name="line.32"></a>
+<span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.io.HeapSize;<a name="line.33"></a>
+<span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.io.encoding.DataBlockEncoder.EncodedSeeker;<a name="line.34"></a>
+<span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.nio.ByteBuff;<a name="line.35"></a>
+<span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.util.ByteBufferUtils;<a name="line.36"></a>
+<span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.37"></a>
+<span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.util.ClassSize;<a name="line.38"></a>
+<span class="sourceLineNo">039</span><a name="line.39"></a>
+<span class="sourceLineNo">040</span>/**<a name="line.40"></a>
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+<span class="sourceLineNo">042</span> *<a name="line.42"></a>
+<span class="sourceLineNo">043</span> * In the future, the EncodedSeeker could be modified to work with the Cell interface directly. It<a name="line.43"></a>
+<span class="sourceLineNo">044</span> * currently returns a new KeyValue object each time getKeyValue is called. This is not horrible,<a name="line.44"></a>
+<span class="sourceLineNo">045</span> * but in order to create a new KeyValue object, we must first allocate a new byte[] and copy in<a name="line.45"></a>
+<span class="sourceLineNo">046</span> * the data from the PrefixTreeCell. It is somewhat heavyweight right now.<a name="line.46"></a>
+<span class="sourceLineNo">047</span> */<a name="line.47"></a>
+<span class="sourceLineNo">048</span>@InterfaceAudience.Private<a name="line.48"></a>
+<span class="sourceLineNo">049</span>public class PrefixTreeSeeker implements EncodedSeeker {<a name="line.49"></a>
+<span class="sourceLineNo">050</span><a name="line.50"></a>
+<span class="sourceLineNo">051</span> protected ByteBuffer block;<a name="line.51"></a>
+<span class="sourceLineNo">052</span> protected boolean includeMvccVersion;<a name="line.52"></a>
+<span class="sourceLineNo">053</span> protected PrefixTreeArraySearcher ptSearcher;<a name="line.53"></a>
+<span class="sourceLineNo">054</span><a name="line.54"></a>
+<span class="sourceLineNo">055</span> public PrefixTreeSeeker(boolean includeMvccVersion) {<a name="line.55"></a>
+<span class="sourceLineNo">056</span> this.includeMvccVersion = includeMvccVersion;<a name="line.56"></a>
+<span class="sourceLineNo">057</span> }<a name="line.57"></a>
+<span class="sourceLineNo">058</span><a name="line.58"></a>
+<span class="sourceLineNo">059</span> @Override<a name="line.59"></a>
+<span class="sourceLineNo">060</span> public void setCurrentBuffer(ByteBuff fullBlockBuffer) {<a name="line.60"></a>
+<span class="sourceLineNo">061</span> ptSearcher = DecoderFactory.checkOut(fullBlockBuffer, includeMvccVersion);<a name="line.61"></a>
+<span class="sourceLineNo">062</span> rewind();<a name="line.62"></a>
+<span class="sourceLineNo">063</span> }<a name="line.63"></a>
+<span class="sourceLineNo">064</span><a name="line.64"></a>
+<span class="sourceLineNo">065</span> /**<a name="line.65"></a>
+<span class="sourceLineNo">066</span> * <p><a name="line.66"></a>
+<span class="sourceLineNo">067</span> * Currently unused.<a name="line.67"></a>
+<span class="sourceLineNo">068</span> * </p><a name="line.68"></a>
+<span class="sourceLineNo">069</span> * TODO performance leak. should reuse the searchers. hbase does not currently have a hook where<a name="line.69"></a>
+<span class="sourceLineNo">070</span> * this can be called<a name="line.70"></a>
+<span class="sourceLineNo">071</span> */<a name="line.71"></a>
+<span class="sourceLineNo">072</span> public void releaseCurrentSearcher(){<a name="line.72"></a>
+<span class="sourceLineNo">073</span> DecoderFactory.checkIn(ptSearcher);<a name="line.73"></a>
+<span class="sourceLineNo">074</span> }<a name="line.74"></a>
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<span class="sourceLineNo">076</span><a name="line.76"></a>
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-<span class="sourceLineNo">080</span> return ptSearcher.current();<a name="line.80"></a>
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+<span class="sourceLineNo">078</span> public Cell getKey() {<a name="line.78"></a>
+<span class="sourceLineNo">079</span> return ptSearcher.current();<a name="line.79"></a>
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<span class="sourceLineNo">082</span><a name="line.82"></a>
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-<span class="sourceLineNo">104</span> cell.getFamilyArray(), cell.getFamilyOffset(), cell.getFamilyLength(),<a name="line.104"></a>
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-<span class="sourceLineNo">124</span> * the same reference to the backing PrefixTreeCell repeatedly, while other implementations may<a name="line.124"></a>
-<span class="sourceLineNo">125</span> * return a different reference for each Cell.<a name="line.125"></a>
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+<span class="sourceLineNo">183</span><a name="line.183"></a>
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+<span class="sourceLineNo">190</span><a name="line.190"></a>
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+<span class="sourceLineNo">197</span><a name="line.197"></a>
+<span class="sourceLineNo">198</span> throw new RuntimeException("unexpected CellScannerPosition:" + position);<a name="line.198"></a>
+<span class="sourceLineNo">199</span> }<a name="line.199"></a>
+<span class="sourceLineNo">200</span><a name="line.200"></a>
+<span class="sourceLineNo">201</span> @Override<a name="line.201"></a>
+<span class="sourceLineNo">202</span> public int seekToKeyInBlock(Cell key, boolean forceBeforeOnExactMatch) {<a name="line.202"></a>
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+<span class="sourceLineNo">216</span> /**<a name="line.216"></a>
+<span class="sourceLineNo">217</span> * Cloned version of the PrefixTreeCell where except the value part, the rest<a name="line.217"></a>
+<span class="sourceLineNo">218</span> * of the key part is deep copied<a name="line.218"></a>
+<span class="sourceLineNo">219</span> *<a name="line.219"></a>
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+<span class="sourceLineNo">226</span> private short rowLength;<a name="line.226"></a>
+<span class="sourceLineNo">227</span> private byte[] fam;<a name="line.227"></a>
+<span class="sourceLineNo">228</span> private byte famLength;<a name="line.228"></a>
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+<span class="sourceLineNo">231</span> private byte[] val;<a name="line.231"></a>
+<span class="sourceLineNo">232</span> private int valOffset;<a name="line.232"></a>
+<span class="sourceLineNo">233</span> private int valLength;<a name="line.233"></a>
+<span class="sourceLineNo">234</span> private byte[] tag;<a name="line.234"></a>
+<span class="sourceLineNo">235</span> private int tagsLength;<a name="line.235"></a>
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+<span class="sourceLineNo">237</span> private long seqId;<a name="line.237"></a>
+<span class="sourceLineNo">238</span> private byte type;<a name="line.238"></a>
+<span class="sourceLineNo">239</span><a name="line.239"></a>
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+<span class="sourceLineNo">242</span> int valOffset, int valLength, byte[] tag, int tagOffset, int tagLength, long ts, byte type,<a name="line.242"></a>
+<span class="sourceLineNo">243</span> long seqId) {<a name="line.243"></a>
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+<span class="sourceLineNo">249</span> this.famLength = famLength;<a name="line.249"></a>
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+<span class="sourceLineNo">254</span> System.arraycopy(tag, tagOffset, this.tag, 0, tagLength);<a name="line.254"></a>
+<span class="sourceLineNo">255</span> this.tagsLength = tagLength;<a name="line.255"></a>
+<span class="sourceLineNo">256</span> this.val = val;<a name="line.256"></a>
+<span class="sourceLineNo">257</span> this.valLength = valLength;<a name="line.257"></a>
+<span class="sourceLineNo">258</span> this.valOffset = valOffset;<a name="line.258"></a>
+<span class="sourceLineNo">259</span> this.ts = ts;<a name="line.259"></a>
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+<span class="sourceLineNo">261</span> this.type = type;<a name="line.261"></a>
+<span class="sourceLineNo">262</span> }<a name="line.262"></a>
+<span class="sourceLineNo">263</span><a name="line.263"></a>
+<span class="sourceLineNo">264</span> @Override<a name="line.264"></a>
+<span class="sourceLineNo">265</span> public void setSequenceId(long seqId) {<a name="line.265"></a>
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+<span class="sourceLineNo">267</span> }<a name="line.267"></a>
+<span class="sourceLineNo">268</span><a name="line.268"></a>
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+<span class="sourceLineNo">273</span><a name="line.273"></a>
+<span class="sourceLineNo">274</span> @Override<a name="line.274"></a>
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+<span class="sourceLineNo">283</span><a name="line.283"></a>
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+<span class="sourceLineNo">303</span><a name="line.303"></a>
+<span class="sourceLineNo">304</span> @Override<a name="line.304"></a>
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+<span class="sourceLineNo">308</span><a name="line.308"></a>
+<span class="sourceLineNo">309</span> @Override<a name="line.309"></a>
+<span class="sourceLineNo">310</span> public int getQualifierLength() {<a name="line.310"></a>
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+<span class="sourceLineNo">312</span> }<a name="line.312"></a>
+<span class="sourceLineNo">313</span><a name="line.313"></a>
+<span class="sourceLineNo">314</span> @Override<a name="line.314"></a>
+<span class="sourceLineNo">315</span> public long getTimestamp() {<a name="line.315"></a>
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+<span class="sourceLineNo">317</span> }<a name="line.317"></a>
+<span class="sourceLineNo">318</span><a name="line.318"></a>
+<span class="sourceLineNo">319</span> @Override<a name="line.319"></a>
+<span class="sourceLineNo">320</span> public byte getTypeByte() {<a name="line.320"></a>
+<span class="sourceLineNo">321</span> return type;<a name="line.321"></a>
+<span class="sourceLineNo">322</span> }<a name="line.322"></a>
+<span class="sourceLineNo">323</span><a name="line.323"></a>
+<span class="sourceLineNo">324</span> @Override<a name="line.324"></a>
+<span class="sourceLineNo">325</span> public long getSequenceId() {<a name="line.325"></a>
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+<span class="sourceLineNo">338</span><a name="line.338"></a>
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+<span class="sourceLineNo">340</span> public int getValueLength() {<a name="line.340"></a>
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+<span class="sourceLineNo">342</span> }<a name="line.342"></a>
+<span class="sourceLineNo">343</span><a name="line.343"></a>
+<span class="sourceLineNo">344</span> @Override<a name="line.344"></a>
+<span class="sourceLineNo">345</span> public byte[] getTagsArray() {<a name="line.345"></a>
+<span class="sourceLineNo">346</span> return this.tag;<a name="line.346"></a>
+<span class="sourceLineNo">347</span> }<a name="line.347"></a>
+<span class="sourceLineNo">348</span><a name="line.348"></a>
+<span class="sourceLineNo">349</span> @Override<a name="line.349"></a>
+<span class="sourceLineNo">350</span> public int getTagsOffset() {<a name="line.350"></a>
+<span class="sourceLineNo">351</span> return 0;<a name="line.351"></a>
+<span class="sourceLineNo">352</span> }<a name="line.352"></a>
+<span class="sourceLineNo">353</span><a name="line.353"></a>
+<span class="sourceLineNo">354</span> @Override<a name="line.354"></a>
+<span class="sourceLineNo">355</span> public int getTagsLength() {<a name="line.355"></a>
+<span class="sourceLineNo">356</span> return this.tagsLength;<a name="line.356"></a>
+<span class="sourceLineNo">357</span> }<a name="line.357"></a>
+<span class="sourceLineNo">358</span><a name="line.358"></a>
+<span class="sourceLineNo">359</span> @Override<a name="line.359"></a>
+<span class="sourceLineNo">360</span> public String toString() {<a name="line.360"></a>
+<span class="sourceLineNo">361</span> String row = Bytes.toStringBinary(getRowArray(), getRowOffset(), getRowLength());<a name="line.361"></a>
+<span class="sourceLineNo">362</span> String family = Bytes.toStringBinary(getFamilyArray(), getFamilyOffset(), getFamilyLength());<a name="line.362"></a>
+<span class="sourceLineNo">363</span> String qualifier = Bytes.toStringBinary(getQualifierArray(), getQualifierOffset(),<a name="line.363"></a>
+<span class="sourceLineNo">364</span> getQualifierLength());<a name="line.364"></a>
+<span class="sourceLineNo">365</span> String timestamp = String.valueOf((getTimestamp()));<a name="line.365"></a>
+<span class="sourceLineNo">366</span> return row + "/" + family + (family != null && family.length() > 0 ? ":" : "") + qualifier<a name="line.366"></a>
+<span class="sourceLineNo">367</span> + "/" + timestamp + "/" + Type.codeToType(type);<a name="line.367"></a>
+<span class="sourceLineNo">368</span> }<a name="line.368"></a>
+<span class="sourceLineNo">369</span><a name="line.369"></a>
+<span class="sourceLineNo">370</span> @Override<a name="line.370"></a>
+<span class="sourceLineNo">371</span> public long heapSize() {<a name="line.371"></a>
+<span class="sourceLineNo">372</span> return FIXED_OVERHEAD + rowLength + famLength + qualLength + valLength + tagsLength;<a name="line.372"></a>
+<span class="sourceLineNo">373</span> }<a name="line.373"></a>
+<span class="sourceLineNo">374</span> }<a name="line.374"></a>
+<span class="sourceLineNo">375</span><a name="line.375"></a>
+<span class="sourceLineNo">376</span> private static class OffheapPrefixTreeCell extends ByteBufferedCell implements Cell,<a name="line.376"></a>
+<span class="sourceLineNo">377</span> SettableSequenceId, HeapSize {<a name="line.377"></a>
+<span class="sourceLineNo">378</span> private static final long FIXED_OVERHEAD = ClassSize.align(ClassSize.OBJECT<a name="line.378"></a>
+<span class="sourceLineNo">379</span> + (5 * ClassSize.REFERENCE) + (2 * Bytes.SIZEOF_LONG) + (4 * Bytes.SIZEOF_INT)<a name="line.379"></a>
+<span class="sourceLineNo">380</span> + (Bytes.SIZEOF_SHORT) + (2 * Bytes.SIZEOF_BYTE) + (5 * ClassSize.BYTE_BUFFER));<a name="line.380"></a>
+<span class="sourceLineNo">381</span> private ByteBuffer rowBuff;<a name="line.381"></a>
+<span class="sourceLineNo">382</span> private short rowLength;<a name="line.382"></a>
+<span class="sourceLineNo">383</span> private ByteBuffer famBuff;<a name="line.383"></a>
+<span class="sourceLineNo">384</span> private byte famLength;<a name="line.384"></a>
+<span class="sourceLineNo">385</span> private ByteBuffer qualBuff;<a name="line.385"></a>
+<span class="sourceLineNo">386</span> private int qualLength;<a name="line.386"></a>
+<span class="sourceLineNo">387</span> private ByteBuffer val;<a name="line.387"></a>
+<span class="sourceLineNo">388</span> private int valOffset;<a name="line.388"></a>
+<span class="sourceLineNo">389</span> private int valLength;<a name="line.389"></a>
+<span class="sourceLineNo">390</span> private ByteBuffer tagBuff;<a name="line.390"></a>
+<span class="sourceLineNo">391</span> private int tagsLength;<a name="line.391"></a>
+<span class="sourceLineNo">392</span> private long ts;<a name="line.392"></a>
+<span class="sourceLineNo">393</span> private long seqId;<a name="line.393"></a>
+<span class="sourceLineNo">394</span> private byte type;<a name="line.394"></a>
+<span class="sourceLineNo">395</span> public OffheapPrefixTreeCell(byte[] row, int rowOffset, short rowLength, byte[] fam,<a name="line.395"></a>
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+<span class="sourceLineNo">398</span> long seqId) {<a name="line.398"></a>
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+<span class="sourceLineNo">401</span> this.rowBuff = ByteBuffer.wrap(tmpRow);<a name="line.401"></a>
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+<span class="sourceLineNo">415</span> this.val = val;<a name="line.415"></a>
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+<span class="sourceLineNo">417</span> this.valOffset = valOffset;<a name="line.417"></a>
+<span class="sourceLineNo">418</span> this.ts = ts;<a name="line.418"></a>
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+<span class="sourceLineNo">420</span> this.type = type;<a name="line.420"></a>
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+<span class="sourceLineNo">422</span> <a name="line.422"></a>
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<TRUNCATED>
[21/51] [partial] hbase-site git commit: Published site at
7dabcf23e8dd53f563981e1e03f82336fc0a44da.
Posted by mi...@apache.org.
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/3e48e84d/devapidocs/src-html/org/apache/hadoop/hbase/codec/prefixtree/PrefixTreeSeeker.OnheapPrefixTreeCell.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/codec/prefixtree/PrefixTreeSeeker.OnheapPrefixTreeCell.html b/devapidocs/src-html/org/apache/hadoop/hbase/codec/prefixtree/PrefixTreeSeeker.OnheapPrefixTreeCell.html
index 8e94eb6..6e7cf22 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/codec/prefixtree/PrefixTreeSeeker.OnheapPrefixTreeCell.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/codec/prefixtree/PrefixTreeSeeker.OnheapPrefixTreeCell.html
@@ -33,566 +33,565 @@
<span class="sourceLineNo">025</span>import org.apache.hadoop.hbase.CellComparator;<a name="line.25"></a>
<span class="sourceLineNo">026</span>import org.apache.hadoop.hbase.CellUtil;<a name="line.26"></a>
<span class="sourceLineNo">027</span>import org.apache.hadoop.hbase.KeyValue.Type;<a name="line.27"></a>
-<span class="sourceLineNo">028</span>import org.apache.hadoop.hbase.KeyValueUtil;<a name="line.28"></a>
-<span class="sourceLineNo">029</span>import org.apache.hadoop.hbase.SettableSequenceId;<a name="line.29"></a>
-<span class="sourceLineNo">030</span>import org.apache.hadoop.hbase.classification.InterfaceAudience;<a name="line.30"></a>
-<span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.codec.prefixtree.decode.DecoderFactory;<a name="line.31"></a>
-<span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.codec.prefixtree.decode.PrefixTreeArraySearcher;<a name="line.32"></a>
-<span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.codec.prefixtree.scanner.CellScannerPosition;<a name="line.33"></a>
-<span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.io.HeapSize;<a name="line.34"></a>
-<span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.io.encoding.DataBlockEncoder.EncodedSeeker;<a name="line.35"></a>
-<span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.nio.ByteBuff;<a name="line.36"></a>
-<span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.util.ByteBufferUtils;<a name="line.37"></a>
-<span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.38"></a>
-<span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.util.ClassSize;<a name="line.39"></a>
-<span class="sourceLineNo">040</span><a name="line.40"></a>
-<span class="sourceLineNo">041</span>/**<a name="line.41"></a>
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-<span class="sourceLineNo">050</span>public class PrefixTreeSeeker implements EncodedSeeker {<a name="line.50"></a>
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-<span class="sourceLineNo">054</span> protected PrefixTreeArraySearcher ptSearcher;<a name="line.54"></a>
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-<span class="sourceLineNo">066</span> /**<a name="line.66"></a>
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-<span class="sourceLineNo">074</span> DecoderFactory.checkIn(ptSearcher);<a name="line.74"></a>
-<span class="sourceLineNo">075</span> }<a name="line.75"></a>
+<span class="sourceLineNo">028</span>import org.apache.hadoop.hbase.SettableSequenceId;<a name="line.28"></a>
+<span class="sourceLineNo">029</span>import org.apache.hadoop.hbase.classification.InterfaceAudience;<a name="line.29"></a>
+<span class="sourceLineNo">030</span>import org.apache.hadoop.hbase.codec.prefixtree.decode.DecoderFactory;<a name="line.30"></a>
+<span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.codec.prefixtree.decode.PrefixTreeArraySearcher;<a name="line.31"></a>
+<span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.codec.prefixtree.scanner.CellScannerPosition;<a name="line.32"></a>
+<span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.io.HeapSize;<a name="line.33"></a>
+<span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.io.encoding.DataBlockEncoder.EncodedSeeker;<a name="line.34"></a>
+<span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.nio.ByteBuff;<a name="line.35"></a>
+<span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.util.ByteBufferUtils;<a name="line.36"></a>
+<span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.37"></a>
+<span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.util.ClassSize;<a name="line.38"></a>
+<span class="sourceLineNo">039</span><a name="line.39"></a>
+<span class="sourceLineNo">040</span>/**<a name="line.40"></a>
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+<span class="sourceLineNo">045</span> * but in order to create a new KeyValue object, we must first allocate a new byte[] and copy in<a name="line.45"></a>
+<span class="sourceLineNo">046</span> * the data from the PrefixTreeCell. It is somewhat heavyweight right now.<a name="line.46"></a>
+<span class="sourceLineNo">047</span> */<a name="line.47"></a>
+<span class="sourceLineNo">048</span>@InterfaceAudience.Private<a name="line.48"></a>
+<span class="sourceLineNo">049</span>public class PrefixTreeSeeker implements EncodedSeeker {<a name="line.49"></a>
+<span class="sourceLineNo">050</span><a name="line.50"></a>
+<span class="sourceLineNo">051</span> protected ByteBuffer block;<a name="line.51"></a>
+<span class="sourceLineNo">052</span> protected boolean includeMvccVersion;<a name="line.52"></a>
+<span class="sourceLineNo">053</span> protected PrefixTreeArraySearcher ptSearcher;<a name="line.53"></a>
+<span class="sourceLineNo">054</span><a name="line.54"></a>
+<span class="sourceLineNo">055</span> public PrefixTreeSeeker(boolean includeMvccVersion) {<a name="line.55"></a>
+<span class="sourceLineNo">056</span> this.includeMvccVersion = includeMvccVersion;<a name="line.56"></a>
+<span class="sourceLineNo">057</span> }<a name="line.57"></a>
+<span class="sourceLineNo">058</span><a name="line.58"></a>
+<span class="sourceLineNo">059</span> @Override<a name="line.59"></a>
+<span class="sourceLineNo">060</span> public void setCurrentBuffer(ByteBuff fullBlockBuffer) {<a name="line.60"></a>
+<span class="sourceLineNo">061</span> ptSearcher = DecoderFactory.checkOut(fullBlockBuffer, includeMvccVersion);<a name="line.61"></a>
+<span class="sourceLineNo">062</span> rewind();<a name="line.62"></a>
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+<span class="sourceLineNo">064</span><a name="line.64"></a>
+<span class="sourceLineNo">065</span> /**<a name="line.65"></a>
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-<span class="sourceLineNo">094</span> // The PrefixTreecell is of type BytebufferedCell and the value part of the cell<a name="line.94"></a>
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-<span class="sourceLineNo">102</span> if (cell.getValueByteBuffer().hasArray()) {<a name="line.102"></a>
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-<span class="sourceLineNo">104</span> cell.getFamilyArray(), cell.getFamilyOffset(), cell.getFamilyLength(),<a name="line.104"></a>
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+<span class="sourceLineNo">110</span> cell.getFamilyArray(), cell.getFamilyOffset(), cell.getFamilyLength(),<a name="line.110"></a>
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<TRUNCATED>
[32/51] [partial] hbase-site git commit: Published site at
7dabcf23e8dd53f563981e1e03f82336fc0a44da.
Posted by mi...@apache.org.
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/3e48e84d/devapidocs/org/apache/hadoop/hbase/io/hfile/HFileWriterImpl.html
----------------------------------------------------------------------
diff --git a/devapidocs/org/apache/hadoop/hbase/io/hfile/HFileWriterImpl.html b/devapidocs/org/apache/hadoop/hbase/io/hfile/HFileWriterImpl.html
index 87da4a7..12e2be7 100644
--- a/devapidocs/org/apache/hadoop/hbase/io/hfile/HFileWriterImpl.html
+++ b/devapidocs/org/apache/hadoop/hbase/io/hfile/HFileWriterImpl.html
@@ -135,57 +135,57 @@ implements <a href="../../../../../../org/apache/hadoop/hbase/io/hfile/HFile.Wri
</td>
</tr>
<tr class="altColor">
+<td class="colFirst"><code>protected <a href="../../../../../../org/apache/hadoop/hbase/io/hfile/HFileBlock.Writer.html" title="class in org.apache.hadoop.hbase.io.hfile">HFileBlock.Writer</a></code></td>
+<td class="colLast"><code><strong><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/HFileWriterImpl.html#blockWriter">blockWriter</a></strong></code>
+<div class="block">block writer</div>
+</td>
+</tr>
+<tr class="rowColor">
<td class="colFirst"><code>protected <a href="../../../../../../org/apache/hadoop/hbase/io/hfile/CacheConfig.html" title="class in org.apache.hadoop.hbase.io.hfile">CacheConfig</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/HFileWriterImpl.html#cacheConf">cacheConf</a></strong></code>
<div class="block">Cache configuration for caching data on write.</div>
</td>
</tr>
-<tr class="rowColor">
+<tr class="altColor">
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<TRUNCATED>
[12/51] [partial] hbase-site git commit: Published site at
7dabcf23e8dd53f563981e1e03f82336fc0a44da.
Posted by mi...@apache.org.
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/3e48e84d/devapidocs/src-html/org/apache/hadoop/hbase/io/hfile/CacheConfig.ExternalBlockCaches.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/io/hfile/CacheConfig.ExternalBlockCaches.html b/devapidocs/src-html/org/apache/hadoop/hbase/io/hfile/CacheConfig.ExternalBlockCaches.html
index ec27cfe..6d8219b 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/io/hfile/CacheConfig.ExternalBlockCaches.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/io/hfile/CacheConfig.ExternalBlockCaches.html
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<span class="sourceLineNo">083</span><a name="line.83"></a>
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+<span class="sourceLineNo">143</span> /**<a name="line.143"></a>
+<span class="sourceLineNo">144</span> * Enum of all built in external block caches.<a name="line.144"></a>
+<span class="sourceLineNo">145</span> * This is used for config.<a name="line.145"></a>
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+<span class="sourceLineNo">149</span> // TODO(eclark): Consider more. Redis, etc.<a name="line.149"></a>
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+<span class="sourceLineNo">151</span> ExternalBlockCaches(String clazzName) {<a name="line.151"></a>
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+<span class="sourceLineNo">162</span><a name="line.162"></a>
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+<span class="sourceLineNo">175</span><a name="line.175"></a>
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+<span class="sourceLineNo">178</span> * cache but this can be turned off on a per-family or per-request basis).<a name="line.178"></a>
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+<span class="sourceLineNo">243</span> /**<a name="line.243"></a>
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+<span class="sourceLineNo">270</span> * blocks and BLOOM blocks; this cannot be disabled).<a name="line.270"></a>
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+<span class="sourceLineNo">272</span> * @param cacheDataOnWrite whether data blocks should be cached on write<a name="line.272"></a>
+<span class="sourceLineNo">273</span> * @param cacheIndexesOnWrite whether index blocks should be cached on write<a name="line.273"></a>
+<span class="sourceLineNo">274</span> * @param cacheBloomsOnWrite whether blooms should be cached on write<a name="line.274"></a>
+<span class="sourceLineNo">275</span> * @param evictOnClose whether blocks should be evicted when HFile is closed<a name="line.275"></a>
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+<span class="sourceLineNo">279</span> * data blocks up in the L1 tier.<a name="line.279"></a>
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+<span class="sourceLineNo">281</span> CacheConfig(final BlockCache blockCache,<a name="line.281"></a>
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+<span class="sourceLineNo">298</span> LOG.info(this);<a name="line.298"></a>
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+<span class="sourceLineNo">301</span> /**<a name="line.301"></a>
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+<span class="sourceLineNo">303</span> * @param cacheConf<a name="line.303"></a>
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+<span class="sourceLineNo">305</span> public CacheConfig(CacheConfig cacheConf) {<a name="line.305"></a>
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+<span class="sourceLineNo">330</span> * cache the meta blocks, the INDEX and BLOOM blocks).<a name="line.330"></a>
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+<span class="sourceLineNo">332</span> */<a name="line.332"></a>
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+<span class="sourceLineNo">335</span> }<a name="line.335"></a>
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-<span class="sourceLineNo">589</span><a name="line.589"></a>
-<span class="sourceLineNo">590</span> // Now try and create an instance of the block cache.<a name="line.590"></a>
-<span class="sourceLineNo">5
<TRUNCATED>
[02/51] [partial] hbase-site git commit: Published site at
7dabcf23e8dd53f563981e1e03f82336fc0a44da.
Posted by mi...@apache.org.
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/3e48e84d/devapidocs/src-html/org/apache/hadoop/hbase/io/hfile/HFileBlock.FSReader.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/io/hfile/HFileBlock.FSReader.html b/devapidocs/src-html/org/apache/hadoop/hbase/io/hfile/HFileBlock.FSReader.html
index 9a60dce..fcaf416 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/io/hfile/HFileBlock.FSReader.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/io/hfile/HFileBlock.FSReader.html
@@ -34,1938 +34,1994 @@
<span class="sourceLineNo">026</span>import java.util.concurrent.locks.Lock;<a name="line.26"></a>
<span class="sourceLineNo">027</span>import java.util.concurrent.locks.ReentrantLock;<a name="line.27"></a>
<span class="sourceLineNo">028</span><a name="line.28"></a>
-<span class="sourceLineNo">029</span>import org.apache.hadoop.fs.FSDataInputStream;<a name="line.29"></a>
-<span class="sourceLineNo">030</span>import org.apache.hadoop.fs.FSDataOutputStream;<a name="line.30"></a>
-<span class="sourceLineNo">031</span>import org.apache.hadoop.fs.Path;<a name="line.31"></a>
-<span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.Cell;<a name="line.32"></a>
-<span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.HConstants;<a name="line.33"></a>
-<span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.classification.InterfaceAudience;<a name="line.34"></a>
-<span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.fs.HFileSystem;<a name="line.35"></a>
-<span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.io.FSDataInputStreamWrapper;<a name="line.36"></a>
-<span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.io.ByteArrayOutputStream;<a name="line.37"></a>
-<span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.io.ByteBuffInputStream;<a name="line.38"></a>
-<span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.io.ByteBufferSupportDataOutputStream;<a name="line.39"></a>
-<span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.io.encoding.DataBlockEncoding;<a name="line.40"></a>
-<span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.io.encoding.HFileBlockDecodingContext;<a name="line.41"></a>
-<span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.io.encoding.HFileBlockDefaultDecodingContext;<a name="line.42"></a>
-<span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.io.encoding.HFileBlockDefaultEncodingContext;<a name="line.43"></a>
-<span class="sourceLineNo">044</span>import org.apache.hadoop.hbase.io.encoding.HFileBlockEncodingContext;<a name="line.44"></a>
-<span class="sourceLineNo">045</span>import org.apache.hadoop.hbase.nio.ByteBuff;<a name="line.45"></a>
-<span class="sourceLineNo">046</span>import org.apache.hadoop.hbase.nio.MultiByteBuff;<a name="line.46"></a>
-<span class="sourceLineNo">047</span>import org.apache.hadoop.hbase.nio.SingleByteBuff;<a name="line.47"></a>
-<span class="sourceLineNo">048</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.48"></a>
-<span class="sourceLineNo">049</span>import org.apache.hadoop.hbase.util.ChecksumType;<a name="line.49"></a>
-<span class="sourceLineNo">050</span>import org.apache.hadoop.hbase.util.ClassSize;<a name="line.50"></a>
-<span class="sourceLineNo">051</span>import org.apache.hadoop.io.IOUtils;<a name="line.51"></a>
-<span class="sourceLineNo">052</span><a name="line.52"></a>
-<span class="sourceLineNo">053</span>import com.google.common.annotations.VisibleForTesting;<a name="line.53"></a>
-<span class="sourceLineNo">054</span>import com.google.common.base.Preconditions;<a name="line.54"></a>
-<span class="sourceLineNo">055</span><a name="line.55"></a>
-<span class="sourceLineNo">056</span>/**<a name="line.56"></a>
-<span class="sourceLineNo">057</span> * Reading {@link HFile} version 1 and 2 blocks, and writing version 2 blocks.<a name="line.57"></a>
-<span class="sourceLineNo">058</span> * <ul><a name="line.58"></a>
-<span class="sourceLineNo">059</span> * <li>In version 1 all blocks are always compressed or uncompressed, as<a name="line.59"></a>
-<span class="sourceLineNo">060</span> * specified by the {@link HFile}'s compression algorithm, with a type-specific<a name="line.60"></a>
-<span class="sourceLineNo">061</span> * magic record stored in the beginning of the compressed data (i.e. one needs<a name="line.61"></a>
-<span class="sourceLineNo">062</span> * to uncompress the compressed block to determine the block type). There is<a name="line.62"></a>
-<span class="sourceLineNo">063</span> * only a single compression algorithm setting for all blocks. Offset and size<a name="line.63"></a>
-<span class="sourceLineNo">064</span> * information from the block index are required to read a block.<a name="line.64"></a>
-<span class="sourceLineNo">065</span> * <li>In version 2 a block is structured as follows:<a name="line.65"></a>
-<span class="sourceLineNo">066</span> * <ul><a name="line.66"></a>
-<span class="sourceLineNo">067</span> * <li>header (see Writer#finishBlock())<a name="line.67"></a>
-<span class="sourceLineNo">068</span> * <ul><a name="line.68"></a>
-<span class="sourceLineNo">069</span> * <li>Magic record identifying the block type (8 bytes)<a name="line.69"></a>
-<span class="sourceLineNo">070</span> * <li>Compressed block size, excluding header, including checksum (4 bytes)<a name="line.70"></a>
-<span class="sourceLineNo">071</span> * <li>Uncompressed block size, excluding header, excluding checksum (4 bytes)<a name="line.71"></a>
-<span class="sourceLineNo">072</span> * <li>The offset of the previous block of the same type (8 bytes). This is<a name="line.72"></a>
-<span class="sourceLineNo">073</span> * used to be able to navigate to the previous block without going to the block<a name="line.73"></a>
-<span class="sourceLineNo">074</span> * <li>For minorVersions &gt;=1, the ordinal describing checksum type (1 byte)<a name="line.74"></a>
-<span class="sourceLineNo">075</span> * <li>For minorVersions &gt;=1, the number of data bytes/checksum chunk (4 bytes)<a name="line.75"></a>
-<span class="sourceLineNo">076</span> * <li>For minorVersions &gt;=1, the size of data on disk, including header,<a name="line.76"></a>
-<span class="sourceLineNo">077</span> * excluding checksums (4 bytes)<a name="line.77"></a>
-<span class="sourceLineNo">078</span> * </ul><a name="line.78"></a>
-<span class="sourceLineNo">079</span> * </li><a name="line.79"></a>
-<span class="sourceLineNo">080</span> * <li>Raw/Compressed/Encrypted/Encoded data. The compression algorithm is the<a name="line.80"></a>
-<span class="sourceLineNo">081</span> * same for all the blocks in the {@link HFile}, similarly to what was done in<a name="line.81"></a>
-<span class="sourceLineNo">082</span> * version 1.<a name="line.82"></a>
-<span class="sourceLineNo">083</span> * <li>For minorVersions &gt;=1, a series of 4 byte checksums, one each for<a name="line.83"></a>
-<span class="sourceLineNo">084</span> * the number of bytes specified by bytesPerChecksum.<a name="line.84"></a>
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-<span class="sourceLineNo">088</span>@InterfaceAudience.Private<a name="line.88"></a>
-<span class="sourceLineNo">089</span>public class HFileBlock implements Cacheable {<a name="line.89"></a>
-<span class="sourceLineNo">090</span><a name="line.90"></a>
-<span class="sourceLineNo">091</span> /**<a name="line.91"></a>
-<span class="sourceLineNo">092</span> * On a checksum failure on a Reader, these many suceeding read<a name="line.92"></a>
-<span class="sourceLineNo">093</span> * requests switch back to using hdfs checksums before auto-reenabling<a name="line.93"></a>
-<span class="sourceLineNo">094</span> * hbase checksum verification.<a name="line.94"></a>
-<span class="sourceLineNo">095</span> */<a name="line.95"></a>
-<span class="sourceLineNo">096</span> static final int CHECKSUM_VERIFICATION_NUM_IO_THRESHOLD = 3;<a name="line.96"></a>
-<span class="sourceLineNo">097</span><a name="line.97"></a>
-<span class="sourceLineNo">098</span> public static final boolean FILL_HEADER = true;<a name="line.98"></a>
-<span class="sourceLineNo">099</span> public static final boolean DONT_FILL_HEADER = false;<a name="line.99"></a>
-<span class="sourceLineNo">100</span><a name="line.100"></a>
-<span class="sourceLineNo">101</span> /**<a name="line.101"></a>
-<span class="sourceLineNo">102</span> * The size of block header when blockType is {@link BlockType#ENCODED_DATA}.<a name="line.102"></a>
-<span class="sourceLineNo">103</span> * This extends normal header by adding the id of encoder.<a name="line.103"></a>
-<span class="sourceLineNo">104</span> */<a name="line.104"></a>
-<span class="sourceLineNo">105</span> public static final int ENCODED_HEADER_SIZE = HConstants.HFILEBLOCK_HEADER_SIZE<a name="line.105"></a>
-<span class="sourceLineNo">106</span> + DataBlockEncoding.ID_SIZE;<a name="line.106"></a>
-<span class="sourceLineNo">107</span><a name="line.107"></a>
-<span class="sourceLineNo">108</span> static final byte[] DUMMY_HEADER_NO_CHECKSUM =<a name="line.108"></a>
-<span class="sourceLineNo">109</span> new byte[HConstants.HFILEBLOCK_HEADER_SIZE_NO_CHECKSUM];<a name="line.109"></a>
-<span class="sourceLineNo">110</span><a name="line.110"></a>
-<span class="sourceLineNo">111</span> // How to get the estimate correctly? if it is a singleBB?<a name="line.111"></a>
-<span class="sourceLineNo">112</span> public static final int MULTI_BYTE_BUFFER_HEAP_SIZE =<a name="line.112"></a>
-<span class="sourceLineNo">113</span> (int)ClassSize.estimateBase(MultiByteBuff.class, false);<a name="line.113"></a>
-<span class="sourceLineNo">114</span><a name="line.114"></a>
-<span class="sourceLineNo">115</span> // meta.usesHBaseChecksum+offset+nextBlockOnDiskSizeWithHeader<a name="line.115"></a>
-<span class="sourceLineNo">116</span> public static final int EXTRA_SERIALIZATION_SPACE = Bytes.SIZEOF_BYTE + Bytes.SIZEOF_INT<a name="line.116"></a>
-<span class="sourceLineNo">117</span> + Bytes.SIZEOF_LONG;<a name="line.117"></a>
-<span class="sourceLineNo">118</span><a name="line.118"></a>
-<span class="sourceLineNo">119</span> /**<a name="line.119"></a>
-<span class="sourceLineNo">120</span> * Each checksum value is an integer that can be stored in 4 bytes.<a name="line.120"></a>
-<span class="sourceLineNo">121</span> */<a name="line.121"></a>
-<span class="sourceLineNo">122</span> static final int CHECKSUM_SIZE = Bytes.SIZEOF_INT;<a name="line.122"></a>
-<span class="sourceLineNo">123</span><a name="line.123"></a>
-<span class="sourceLineNo">124</span> static final CacheableDeserializer<Cacheable> blockDeserializer =<a name="line.124"></a>
-<span class="sourceLineNo">125</span> new CacheableDeserializer<Cacheable>() {<a name="line.125"></a>
-<span class="sourceLineNo">126</span> public HFileBlock deserialize(ByteBuff buf, boolean reuse, MemoryType memType)<a name="line.126"></a>
-<span class="sourceLineNo">127</span> throws IOException {<a name="line.127"></a>
-<span class="sourceLineNo">128</span> buf.limit(buf.limit() - HFileBlock.EXTRA_SERIALIZATION_SPACE).rewind();<a name="line.128"></a>
-<span class="sourceLineNo">129</span> ByteBuff newByteBuffer;<a name="line.129"></a>
-<span class="sourceLineNo">130</span> if (reuse) {<a name="line.130"></a>
-<span class="sourceLineNo">131</span> newByteBuffer = buf.slice();<a name="line.131"></a>
-<span class="sourceLineNo">132</span> } else {<a name="line.132"></a>
-<span class="sourceLineNo">133</span> // Used only in tests<a name="line.133"></a>
-<span class="sourceLineNo">134</span> int len = buf.limit();<a name="line.134"></a>
-<span class="sourceLineNo">135</span> newByteBuffer = new SingleByteBuff(ByteBuffer.allocate(len));<a name="line.135"></a>
-<span class="sourceLineNo">136</span> newByteBuffer.put(0, buf, buf.position(), len);<a name="line.136"></a>
-<span class="sourceLineNo">137</span> }<a name="line.137"></a>
-<span class="sourceLineNo">138</span> buf.position(buf.limit());<a name="line.138"></a>
-<span class="sourceLineNo">139</span> buf.limit(buf.limit() + HFileBlock.EXTRA_SERIALIZATION_SPACE);<a name="line.139"></a>
-<span class="sourceLineNo">140</span> boolean usesChecksum = buf.get() == (byte)1;<a name="line.140"></a>
-<span class="sourceLineNo">141</span> HFileBlock hFileBlock = new HFileBlock(newByteBuffer, usesChecksum, memType);<a name="line.141"></a>
-<span class="sourceLineNo">142</span> hFileBlock.offset = buf.getLong();<a name="line.142"></a>
-<span class="sourceLineNo">143</span> hFileBlock.nextBlockOnDiskSizeWithHeader = buf.getInt();<a name="line.143"></a>
-<span class="sourceLineNo">144</span> if (hFileBlock.hasNextBlockHeader()) {<a name="line.144"></a>
-<span class="sourceLineNo">145</span> hFileBlock.buf.limit(hFileBlock.buf.limit() - hFileBlock.headerSize());<a name="line.145"></a>
-<span class="sourceLineNo">146</span> }<a name="line.146"></a>
-<span class="sourceLineNo">147</span> return hFileBlock;<a name="line.147"></a>
-<span class="sourceLineNo">148</span> }<a name="line.148"></a>
-<span class="sourceLineNo">149</span><a name="line.149"></a>
-<span class="sourceLineNo">150</span> @Override<a name="line.150"></a>
-<span class="sourceLineNo">151</span> public int getDeserialiserIdentifier() {<a name="line.151"></a>
-<span class="sourceLineNo">152</span> return deserializerIdentifier;<a name="line.152"></a>
-<span class="sourceLineNo">153</span> }<a name="line.153"></a>
-<span class="sourceLineNo">154</span><a name="line.154"></a>
-<span class="sourceLineNo">155</span> @Override<a name="line.155"></a>
-<span class="sourceLineNo">156</span> public HFileBlock deserialize(ByteBuff b) throws IOException {<a name="line.156"></a>
-<span class="sourceLineNo">157</span> // Used only in tests<a name="line.157"></a>
-<span class="sourceLineNo">158</span> return deserialize(b, false, MemoryType.EXCLUSIVE);<a name="line.158"></a>
-<span class="sourceLineNo">159</span> }<a name="line.159"></a>
-<span class="sourceLineNo">160</span> };<a name="line.160"></a>
-<span class="sourceLineNo">161</span> private static final int deserializerIdentifier;<a name="line.161"></a>
-<span class="sourceLineNo">162</span> static {<a name="line.162"></a>
-<span class="sourceLineNo">163</span> deserializerIdentifier = CacheableDeserializerIdManager<a name="line.163"></a>
-<span class="sourceLineNo">164</span> .registerDeserializer(blockDeserializer);<a name="line.164"></a>
-<span class="sourceLineNo">165</span> }<a name="line.165"></a>
-<span class="sourceLineNo">166</span><a name="line.166"></a>
-<span class="sourceLineNo">167</span> /** Type of block. Header field 0. */<a name="line.167"></a>
-<span class="sourceLineNo">168</span> private BlockType blockType;<a name="line.168"></a>
-<span class="sourceLineNo">169</span><a name="line.169"></a>
-<span class="sourceLineNo">170</span> /** Size on disk excluding header, including checksum. Header field 1. */<a name="line.170"></a>
-<span class="sourceLineNo">171</span> private int onDiskSizeWithoutHeader;<a name="line.171"></a>
-<span class="sourceLineNo">172</span><a name="line.172"></a>
-<span class="sourceLineNo">173</span> /** Size of pure data. Does not include header or checksums. Header field 2. */<a name="line.173"></a>
-<span class="sourceLineNo">174</span> private final int uncompressedSizeWithoutHeader;<a name="line.174"></a>
-<span class="sourceLineNo">175</span><a name="line.175"></a>
-<span class="sourceLineNo">176</span> /** The offset of the previous block on disk. Header field 3. */<a name="line.176"></a>
-<span class="sourceLineNo">177</span> private final long prevBlockOffset;<a name="line.177"></a>
-<span class="sourceLineNo">178</span><a name="line.178"></a>
-<span class="sourceLineNo">179</span> /**<a name="line.179"></a>
-<span class="sourceLineNo">180</span> * Size on disk of header + data. Excludes checksum. Header field 6,<a name="line.180"></a>
-<span class="sourceLineNo">181</span> * OR calculated from {@link #onDiskSizeWithoutHeader} when using HDFS checksum.<a name="line.181"></a>
-<span class="sourceLineNo">182</span> */<a name="line.182"></a>
-<span class="sourceLineNo">183</span> private final int onDiskDataSizeWithHeader;<a name="line.183"></a>
-<span class="sourceLineNo">184</span><a name="line.184"></a>
-<span class="sourceLineNo">185</span> /** The in-memory representation of the hfile block */<a name="line.185"></a>
-<span class="sourceLineNo">186</span> private ByteBuff buf;<a name="line.186"></a>
-<span class="sourceLineNo">187</span><a name="line.187"></a>
-<span class="sourceLineNo">188</span> /** Meta data that holds meta information on the hfileblock */<a name="line.188"></a>
-<span class="sourceLineNo">189</span> private HFileContext fileContext;<a name="line.189"></a>
+<span class="sourceLineNo">029</span>import org.apache.commons.logging.Log;<a name="line.29"></a>
+<span class="sourceLineNo">030</span>import org.apache.commons.logging.LogFactory;<a name="line.30"></a>
+<span class="sourceLineNo">031</span>import org.apache.hadoop.fs.FSDataInputStream;<a name="line.31"></a>
+<span class="sourceLineNo">032</span>import org.apache.hadoop.fs.FSDataOutputStream;<a name="line.32"></a>
+<span class="sourceLineNo">033</span>import org.apache.hadoop.fs.Path;<a name="line.33"></a>
+<span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.Cell;<a name="line.34"></a>
+<span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.HConstants;<a name="line.35"></a>
+<span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.classification.InterfaceAudience;<a name="line.36"></a>
+<span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.fs.HFileSystem;<a name="line.37"></a>
+<span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.io.FSDataInputStreamWrapper;<a name="line.38"></a>
+<span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.io.ByteArrayOutputStream;<a name="line.39"></a>
+<span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.io.ByteBuffInputStream;<a name="line.40"></a>
+<span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.io.ByteBufferSupportDataOutputStream;<a name="line.41"></a>
+<span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.io.encoding.DataBlockEncoding;<a name="line.42"></a>
+<span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.io.encoding.HFileBlockDecodingContext;<a name="line.43"></a>
+<span class="sourceLineNo">044</span>import org.apache.hadoop.hbase.io.encoding.HFileBlockDefaultDecodingContext;<a name="line.44"></a>
+<span class="sourceLineNo">045</span>import org.apache.hadoop.hbase.io.encoding.HFileBlockDefaultEncodingContext;<a name="line.45"></a>
+<span class="sourceLineNo">046</span>import org.apache.hadoop.hbase.io.encoding.HFileBlockEncodingContext;<a name="line.46"></a>
+<span class="sourceLineNo">047</span>import org.apache.hadoop.hbase.nio.ByteBuff;<a name="line.47"></a>
+<span class="sourceLineNo">048</span>import org.apache.hadoop.hbase.nio.MultiByteBuff;<a name="line.48"></a>
+<span class="sourceLineNo">049</span>import org.apache.hadoop.hbase.nio.SingleByteBuff;<a name="line.49"></a>
+<span class="sourceLineNo">050</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.50"></a>
+<span class="sourceLineNo">051</span>import org.apache.hadoop.hbase.util.ChecksumType;<a name="line.51"></a>
+<span class="sourceLineNo">052</span>import org.apache.hadoop.hbase.util.ClassSize;<a name="line.52"></a>
+<span class="sourceLineNo">053</span>import org.apache.hadoop.io.IOUtils;<a name="line.53"></a>
+<span class="sourceLineNo">054</span><a name="line.54"></a>
+<span class="sourceLineNo">055</span>import com.google.common.annotations.VisibleForTesting;<a name="line.55"></a>
+<span class="sourceLineNo">056</span>import com.google.common.base.Preconditions;<a name="line.56"></a>
+<span class="sourceLineNo">057</span><a name="line.57"></a>
+<span class="sourceLineNo">058</span>/**<a name="line.58"></a>
+<span class="sourceLineNo">059</span> * Reads {@link HFile} version 1 and version 2 blocks but writes version 2 blocks only.<a name="line.59"></a>
+<span class="sourceLineNo">060</span> * Version 2 was introduced in hbase-0.92.0. Does read and write out to the filesystem but also<a name="line.60"></a>
+<span class="sourceLineNo">061</span> * the read and write to Cache.<a name="line.61"></a>
+<span class="sourceLineNo">062</span> *<a name="line.62"></a>
+<span class="sourceLineNo">063</span> * <h3>HFileBlock: Version 1</h3><a name="line.63"></a>
+<span class="sourceLineNo">064</span> * As of this writing, there should be no more version 1 blocks found out in the wild. Version 2<a name="line.64"></a>
+<span class="sourceLineNo">065</span> * as introduced in hbase-0.92.0.<a name="line.65"></a>
+<span class="sourceLineNo">066</span> * In version 1 all blocks are always compressed or uncompressed, as<a name="line.66"></a>
+<span class="sourceLineNo">067</span> * specified by the {@link HFile}'s compression algorithm, with a type-specific<a name="line.67"></a>
+<span class="sourceLineNo">068</span> * magic record stored in the beginning of the compressed data (i.e. one needs<a name="line.68"></a>
+<span class="sourceLineNo">069</span> * to uncompress the compressed block to determine the block type). There is<a name="line.69"></a>
+<span class="sourceLineNo">070</span> * only a single compression algorithm setting for all blocks. Offset and size<a name="line.70"></a>
+<span class="sourceLineNo">071</span> * information from the block index are required to read a block.<a name="line.71"></a>
+<span class="sourceLineNo">072</span> * <h3>HFileBlock: Version 2</h3><a name="line.72"></a>
+<span class="sourceLineNo">073</span> * In version 2, a block is structured as follows:<a name="line.73"></a>
+<span class="sourceLineNo">074</span> * <ul><a name="line.74"></a>
+<span class="sourceLineNo">075</span> * <li><b>Header:</b> See Writer#putHeader(); header total size is HFILEBLOCK_HEADER_SIZE)<a name="line.75"></a>
+<span class="sourceLineNo">076</span> * <ul><a name="line.76"></a>
+<span class="sourceLineNo">077</span> * <li>Magic record identifying the {@link BlockType} (8 bytes): e.g. <code>DATABLK*</code><a name="line.77"></a>
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+<span class="sourceLineNo">079</span> * tailing checksum bytes (4 bytes)<a name="line.79"></a>
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+<span class="sourceLineNo">094</span> * </ul><a name="line.94"></a>
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+<span class="sourceLineNo">097</span> * to figure lengths, etc., and then another seek to pull in the data.<a name="line.97"></a>
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+<span class="sourceLineNo">102</span><a name="line.102"></a>
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+<span class="sourceLineNo">105</span> * auto-reenabling hbase checksum verification.<a name="line.105"></a>
+<span class="sourceLineNo">106</span> */<a name="line.106"></a>
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+<span class="sourceLineNo">112</span><a name="line.112"></a>
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+<span class="sourceLineNo">115</span> (int)ClassSize.estimateBase(MultiByteBuff.class, false);<a name="line.115"></a>
+<span class="sourceLineNo">116</span><a name="line.116"></a>
+<span class="sourceLineNo">117</span> /**<a name="line.117"></a>
+<span class="sourceLineNo">118</span> * See #blockDeserializer method for more info.<a name="line.118"></a>
+<span class="sourceLineNo">119</span> * 13 bytes of extra stuff stuck on the end of the HFileBlock that we pull in from HDFS (note,<a name="line.119"></a>
+<span class="sourceLineNo">120</span> * when we read from HDFS, we pull in an HFileBlock AND the header of the next block if one).<a name="line.120"></a>
+<span class="sourceLineNo">121</span> * The 13 bytes are: usesHBaseChecksum (1 byte) + offset of this block (long) +<a name="line.121"></a>
+<span class="sourceLineNo">122</span> * nextBlockOnDiskSizeWithHeader (int).<a name="line.122"></a>
+<span class="sourceLineNo">123</span> */<a name="line.123"></a>
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+<span class="sourceLineNo">125</span> Bytes.SIZEOF_BYTE + Bytes.SIZEOF_INT + Bytes.SIZEOF_LONG;<a name="line.125"></a>
+<span class="sourceLineNo">126</span><a name="line.126"></a>
+<span class="sourceLineNo">127</span> /**<a name="line.127"></a>
+<span class="sourceLineNo">128</span> * Each checksum value is an integer that can be stored in 4 bytes.<a name="line.128"></a>
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+<span class="sourceLineNo">130</span> static final int CHECKSUM_SIZE = Bytes.SIZEOF_INT;<a name="line.130"></a>
+<span class="sourceLineNo">131</span><a name="line.131"></a>
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+<span class="sourceLineNo">133</span> new byte[HConstants.HFILEBLOCK_HEADER_SIZE_NO_CHECKSUM];<a name="line.133"></a>
+<span class="sourceLineNo">134</span><a name="line.134"></a>
+<span class="sourceLineNo">135</span> /**<a name="line.135"></a>
+<span class="sourceLineNo">136</span> * Used deserializing blocks from Cache.<a name="line.136"></a>
+<span class="sourceLineNo">137</span> *<a name="line.137"></a>
+<span class="sourceLineNo">138</span> * Serializing to cache is a little hard to follow. See Writer#finishBlock for where it is done.<a name="line.138"></a>
+<span class="sourceLineNo">139</span> * When we start to append to a new HFileBlock,<a name="line.139"></a>
+<span class="sourceLineNo">140</span> * we skip over where the header should go before we start adding Cells. When the block is<a name="line.140"></a>
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+<span class="sourceLineNo">142</span> * gets serialized into the blockcache is a byte array that contains an HFileBlock followed by<a name="line.142"></a>
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+<span class="sourceLineNo">144</span> * again by an extra 13 bytes of meta info needed when time to recreate the HFileBlock from cache.<a name="line.144"></a>
+<span class="sourceLineNo">145</span> *<a name="line.145"></a>
+<span class="sourceLineNo">146</span> * ++++++++++++++<a name="line.146"></a>
+<span class="sourceLineNo">147</span> * + HFileBlock +<a name="line.147"></a>
+<span class="sourceLineNo">148</span> * ++++++++++++++<a name="line.148"></a>
+<span class="sourceLineNo">149</span> * + Checksums +<a name="line.149"></a>
+<span class="sourceLineNo">150</span> * ++++++++++++++<a name="line.150"></a>
+<span class="sourceLineNo">151</span> * + NextHeader +<a name="line.151"></a>
+<span class="sourceLineNo">152</span> * ++++++++++++++<a name="line.152"></a>
+<span class="sourceLineNo">153</span> * + ExtraMeta! +<a name="line.153"></a>
+<span class="sourceLineNo">154</span> * ++++++++++++++<a name="line.154"></a>
+<span class="sourceLineNo">155</span> *<a name="line.155"></a>
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+<span class="sourceLineNo">157</span> */<a name="line.157"></a>
+<span class="sourceLineNo">158</span> static final CacheableDeserializer<Cacheable> blockDeserializer =<a name="line.158"></a>
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+<span class="sourceLineNo">161</span> throws IOException {<a name="line.161"></a>
+<span class="sourceLineNo">162</span> // Rewind to just before the EXTRA_SERIALIZATION_SPACE.<a name="line.162"></a>
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+<span class="sourceLineNo">164</span> // Get a new buffer to pass the deserialized HFileBlock for it to 'own'.<a name="line.164"></a>
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+<span class="sourceLineNo">166</span> if (reuse) {<a name="line.166"></a>
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+<span class="sourceLineNo">171</span> newByteBuffer.put(0, buf, buf.position(), len);<a name="line.171"></a>
+<span class="sourceLineNo">172</span> }<a name="line.172"></a>
+<span class="sourceLineNo">173</span> // Read out the EXTRA_SERIALIZATION_SPACE content and shove into our HFileBlock.<a name="line.173"></a>
+<span class="sourceLineNo">174</span> buf.position(buf.limit());<a name="line.174"></a>
+<span class="sourceLineNo">175</span> buf.limit(buf.limit() + HFileBlock.EXTRA_SERIALIZATION_SPACE);<a name="line.175"></a>
+<span class="sourceLineNo">176</span> boolean usesChecksum = buf.get() == (byte)1;<a name="line.176"></a>
+<span class="sourceLineNo">177</span> HFileBlock hFileBlock = new HFileBlock(newByteBuffer, usesChecksum, memType);<a name="line.177"></a>
+<span class="sourceLineNo">178</span> hFileBlock.offset = buf.getLong();<a name="line.178"></a>
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+<span class="sourceLineNo">180</span> if (hFileBlock.hasNextBlockHeader()) {<a name="line.180"></a>
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+<span class="sourceLineNo">182</span> }<a name="line.182"></a>
+<span class="sourceLineNo">183</span> return hFileBlock;<a name="line.183"></a>
+<span class="sourceLineNo">184</span> }<a name="line.184"></a>
+<span class="sourceLineNo">185</span><a name="line.185"></a>
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+<span class="sourceLineNo">188</span> return deserializerIdentifier;<a name="line.188"></a>
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-<span class="sourceLineNo">193</span> * convenience of access. This offset is not part of the block header.<a name="line.193"></a>
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-<span class="sourceLineNo">199</span> * peeking into the first {@link HConstants#HFILEBLOCK_HEADER_SIZE} bytes of the next block's<a name="line.199"></a>
-<span class="sourceLineNo">200</span> * header, or -1 if unknown.<a name="line.200"></a>
-<span class="sourceLineNo">201</span> */<a name="line.201"></a>
-<span class="sourceLineNo">202</span> private int nextBlockOnDiskSizeWithHeader = -1;<a name="line.202"></a>
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+<span class="sourceLineNo">192</span> public HFileBlock deserialize(ByteBuff b) throws IOException {<a name="line.192"></a>
+<span class="sourceLineNo">193</span> // Used only in tests<a name="line.193"></a>
+<span class="sourceLineNo">194</span> return deserialize(b, false, MemoryType.EXCLUSIVE);<a name="line.194"></a>
+<span class="sourceLineNo">195</span> }<a name="line.195"></a>
+<span class="sourceLineNo">196</span> };<a name="line.196"></a>
+<span class="sourceLineNo">197</span><a name="line.197"></a>
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+<span class="sourceLineNo">200</span> deserializerIdentifier = CacheableDeserializerIdManager<a name="line.200"></a>
+<span class="sourceLineNo">201</span> .registerDeserializer(blockDeserializer);<a name="line.201"></a>
+<span class="sourceLineNo">202</span> }<a name="line.202"></a>
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-<span class="sourceLineNo">209</span> * and is sitting in a byte buffer.<a name="line.209"></a>
-<span class="sourceLineNo">210</span> *<a name="line.210"></a>
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-<span class="sourceLineNo">214</span> * @param prevBlockOffset see {@link #prevBlockOffset}<a name="line.214"></a>
-<span class="sourceLineNo">215</span> * @param buf block header ({@link HConstants#HFILEBLOCK_HEADER_SIZE} bytes) followed by<a name="line.215"></a>
-<span class="sourceLineNo">216</span> * uncompressed data. This<a name="line.216"></a>
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-<span class="sourceLineNo">218</span> * @param offset the file offset the block was read from<a name="line.218"></a>
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-<span class="sourceLineNo">220</span> * @param fileContext HFile meta data<a name="line.220"></a>
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-<span class="sourceLineNo">230</span> this.offset = offset;<a name="line.230"></a>
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+<span class="sourceLineNo">204</span> /** Type of block. Header field 0. */<a name="line.204"></a>
+<span class="sourceLineNo">205</span> private BlockType blockType;<a name="line.205"></a>
+<span class="sourceLineNo">206</span><a name="line.206"></a>
+<span class="sourceLineNo">207</span> /**<a name="line.207"></a>
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+<span class="sourceLineNo">210</span> */<a name="line.210"></a>
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+<span class="sourceLineNo">213</span> /**<a name="line.213"></a>
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+<span class="sourceLineNo">216</span> */<a name="line.216"></a>
+<span class="sourceLineNo">217</span> private final int uncompressedSizeWithoutHeader;<a name="line.217"></a>
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+<span class="sourceLineNo">219</span> /**<a name="line.219"></a>
+<span class="sourceLineNo">220</span> * The offset of the previous block on disk. Header field 3.<a name="line.220"></a>
+<span class="sourceLineNo">221</span> * @see Writer#putHeader(byte[], int, int, int, int)<a name="line.221"></a>
+<span class="sourceLineNo">222</span> */<a name="line.222"></a>
+<span class="sourceLineNo">223</span> private final long prevBlockOffset;<a name="line.223"></a>
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+<span class="sourceLineNo">225</span> /**<a name="line.225"></a>
+<span class="sourceLineNo">226</span> * Size on disk of header + data. Excludes checksum. Header field 6,<a name="line.226"></a>
+<span class="sourceLineNo">227</span> * OR calculated from {@link #onDiskSizeWithoutHeader} when using HDFS checksum.<a name="line.227"></a>
+<span class="sourceLineNo">228</span> * @see Writer#putHeader(byte[], int, int, int, int)<a name="line.228"></a>
+<span class="sourceLineNo">229</span> */<a name="line.229"></a>
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+<span class="sourceLineNo">232</span> /** The in-memory representation of the hfile block */<a name="line.232"></a>
+<span class="sourceLineNo">233</span> private ByteBuff buf;<a name="line.233"></a>
+<span class="sourceLineNo">234</span><a name="line.234"></a>
+<span class="sourceLineNo">235</span> /** Meta data that holds meta information on the hfileblock */<a name="line.235"></a>
+<span class="sourceLineNo">236</span> private HFileContext fileContext;<a name="line.236"></a>
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-<span class="sourceLineNo">245</span> /**<a name="line.245"></a>
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-<span class="sourceLineNo">254</span> this.offset = that.offset;<a name="line.254"></a>
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-<span class="sourceLineNo">256</span> this.fileContext = that.fileContext;<a name="line.256"></a>
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<TRUNCATED>
[51/51] [partial] hbase-site git commit: Published site at
7dabcf23e8dd53f563981e1e03f82336fc0a44da.
Posted by mi...@apache.org.
Published site at 7dabcf23e8dd53f563981e1e03f82336fc0a44da.
Project: http://git-wip-us.apache.org/repos/asf/hbase-site/repo
Commit: http://git-wip-us.apache.org/repos/asf/hbase-site/commit/3e48e84d
Tree: http://git-wip-us.apache.org/repos/asf/hbase-site/tree/3e48e84d
Diff: http://git-wip-us.apache.org/repos/asf/hbase-site/diff/3e48e84d
Branch: refs/heads/asf-site
Commit: 3e48e84d3979584361144761d76f12b7497fb090
Parents: 4ce8323
Author: jenkins <bu...@apache.org>
Authored: Fri Mar 4 15:32:45 2016 +0000
Committer: Misty Stanley-Jones <ms...@cloudera.com>
Committed: Fri Mar 4 09:50:06 2016 -0800
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<div class="block">Returns the enum constant of this type with the specified name.
The string must match <i>exactly</i> an identifier used to declare an
enum constant in this type. (Extraneous whitespace characters are
[07/51] [partial] hbase-site git commit: Published site at
7dabcf23e8dd53f563981e1e03f82336fc0a44da.
Posted by mi...@apache.org.
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/3e48e84d/devapidocs/src-html/org/apache/hadoop/hbase/io/hfile/HFile.Writer.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/io/hfile/HFile.Writer.html b/devapidocs/src-html/org/apache/hadoop/hbase/io/hfile/HFile.Writer.html
index 8fd15a0..da22771 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/io/hfile/HFile.Writer.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/io/hfile/HFile.Writer.html
@@ -186,741 +186,742 @@
<span class="sourceLineNo">178</span> * The number of bytes per checksum.<a name="line.178"></a>
<span class="sourceLineNo">179</span> */<a name="line.179"></a>
<span class="sourceLineNo">180</span> public static final int DEFAULT_BYTES_PER_CHECKSUM = 16 * 1024;<a name="line.180"></a>
-<span class="sourceLineNo">181</span> // For measuring number of checksum failures<a name="line.181"></a>
-<span class="sourceLineNo">182</span> static final Counter checksumFailures = new Counter();<a name="line.182"></a>
-<span class="sourceLineNo">183</span><a name="line.183"></a>
-<span class="sourceLineNo">184</span> // for test purpose<a name="line.184"></a>
-<span class="sourceLineNo">185</span> public static final Counter dataBlockReadCnt = new Counter();<a name="line.185"></a>
-<span class="sourceLineNo">186</span><a name="line.186"></a>
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-<span class="sourceLineNo">210</span> /**<a name="line.210"></a>
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-<span class="sourceLineNo">217</span> // painful. Could take a byte [] or a Message but we want to be backward compatible around hfiles so would need<a name="line.217"></a>
-<span class="sourceLineNo">218</span> // to map between Message and Writable or byte [] and current Writable serialization. This would be a bit of work<a name="line.218"></a>
-<span class="sourceLineNo">219</span> // to little gain. Thats my thinking at moment. St.Ack 20121129<a name="line.219"></a>
-<span class="sourceLineNo">220</span><a name="line.220"></a>
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-<span class="sourceLineNo">226</span> * in HFile version 1 and version 2.<a name="line.226"></a>
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-<span class="sourceLineNo">273</span> this.ostream = ostream;<a name="line.273"></a>
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-<span class="sourceLineNo">279</span> this.comparator = comparator;<a name="line.279"></a>
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+<span class="sourceLineNo">266</span> Preconditions.checkNotNull(path);<a name="line.266"></a>
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+<span class="sourceLineNo">268</span> this.path = path;<a name="line.268"></a>
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+<span class="sourceLineNo">271</span><a name="line.271"></a>
+<span class="sourceLineNo">272</span> public WriterFactory withOutputStream(FSDataOutputStream ostream) {<a name="line.272"></a>
+<span class="sourceLineNo">273</span> Preconditions.checkNotNull(ostream);<a name="line.273"></a>
+<span class="sourceLineNo">274</span> this.ostream = ostream;<a name="line.274"></a>
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+<span class="sourceLineNo">278</span> public WriterFactory withComparator(CellComparator comparator) {<a name="line.278"></a>
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+<span class="sourceLineNo">280</span> this.comparator = comparator;<a name="line.280"></a>
+<span class="sourceLineNo">281</span> return this;<a name="line.281"></a>
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+<span class="sourceLineNo">285</span> // Deliberately not checking for null here.<a name="line.285"></a>
+<span class="sourceLineNo">286</span> this.favoredNodes = favoredNodes;<a name="line.286"></a>
+<span class="sourceLineNo">287</span> return this;<a name="line.287"></a>
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+<span class="sourceLineNo">289</span><a name="line.289"></a>
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-<span class="sourceLineNo">885</span> * indicate that this is not a software error, but corrupted input.<a name="line.885"></a>
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-<span class="sourceLineNo">894</span> + " (expected to be " + "between " + MIN_FORMAT_VERSION + " and "<a name="line.894"></a>
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-<span class="sourceLineNo">897</span> }<a name="line.897"></a>
-<span class="sourceLineNo">898</span><a name="line.898"></a>
+<span class="sourceLineNo">300</span><a name="line.300"></a>
+<span class="sourceLineNo">301</span> public Writer create() throws IOException {<a name="line.301"></a>
+<span class="sourceLineNo">302</span> if ((path != null ? 1 : 0) + (ostream != null ? 1 : 0) != 1) {<a name="line.302"></a>
+<span class="sourceLineNo">303</span> throw new AssertionError("Please specify exactly one of " +<a name="line.303"></a>
+<span class="sourceLineNo">304</span> "filesystem/path or path");<a name="line.304"></a>
+<span class="sourceLineNo">305</span> }<a name="line.305"></a>
+<span class="sourceLineNo">306</span> if (path != null) {<a name="line.306"></a>
+<span class="sourceLineNo">307</span> ostream = HFileWriterImpl.createOutputStream(conf, fs, path, favoredNodes);<a name="line.307"></a>
+<span class="sourceLineNo">308</span> try {<a name="line.308"></a>
+<span class="sourceLineNo">309</span> ostream.setDropBehind(shouldDropBehind && cacheConf.shouldDropBehindCompaction());<a name="line.309"></a>
+<span class="sourceLineNo">310</span> } catch (UnsupportedOperationException uoe) {<a name="line.310"></a>
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+<span class="sourceLineNo">312</span> else if (LOG.isDebugEnabled()) LOG.debug("Unable to set drop behind on " + path);<a name="line.312"></a>
+<span class="sourceLineNo">313</span> }<a name="line.313"></a>
+<span class="sourceLineNo">314</span> }<a name="line.314"></a>
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+<span class="sourceLineNo">319</span> /** The configuration key for HFile version to use for new files */<a name="line.319"></a>
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+<span class="sourceLineNo">322</span> public static int getFormatVersion(Configuration conf) {<a name="line.322"></a>
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+<span class="sourceLineNo">324</span> checkFormatVersion(version);<a name="line.324"></a>
+<span class="sourceLineNo">325</span> return version;<a name="line.325"></a>
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+<span class="sourceLineNo">328</span> /**<a name="line.328"></a>
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+<span class="sourceLineNo">331</span> * returned factory.<a name="line.331"></a>
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+<span class="sourceLineNo">338</span> }<a name="line.338"></a>
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+<span class="sourceLineNo">342</span> */<a name="line.342"></a>
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+<span class="sourceLineNo">346</span> switch (version) {<a name="line.346"></a>
+<span class="sourceLineNo">347</span> case 2:<a name="line.347"></a>
+<span class="sourceLineNo">348</span> throw new IllegalArgumentException("This should never happen. " +<a name="line.348"></a>
+<span class="sourceLineNo">349</span> "Did you change hfile.format.version to read v2? This version of the software writes v3" +<a name="line.349"></a>
+<span class="sourceLineNo">350</span> " hfiles only (but it can read v2 files without having to update hfile.format.version " +<a name="line.350"></a>
+<span class="sourceLineNo">351</span> "in hbase-site.xml)");<a name="line.351"></a>
+<span class="sourceLineNo">352</span> case 3:<a name="line.352"></a>
+<span class="sourceLineNo">353</span> return new HFile.WriterFactory(conf, cacheConf);<a name="line.353"></a>
+<span class="sourceLineNo">354</span> default:<a name="line.354"></a>
+<span class="sourceLineNo">355</span> throw new IllegalArgumentException("Cannot create writer for HFile " +<a name="line.355"></a>
+<span class="sourceLineNo">356</span> "format version " + version);<a name="line.356"></a>
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+<span class="sourceLineNo">358</span> }<a name="line.358"></a>
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+<span class="sourceLineNo">360</span> /**<a name="line.360"></a>
+<span class="sourceLineNo">361</span> * An abstraction used by the block index.<a name="line.361"></a>
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+<span class="sourceLineNo">363</span> * Otherwise, after reading from fs, will try and put block into cache before returning.<a name="line.363"></a>
+<span class="sourceLineNo">364</span> */<a name="line.364"></a>
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+<span class="sourceLineNo">367</span> * Read in a file block.<a name="line.367"></a>
+<span class="sourceLineNo">368</span> * @param offset offset to read.<a name="line.368"></a>
+<span class="sourceLineNo">369</span> * @param onDiskBlockSize size of the block<a name="line.369"></a>
+<span class="sourceLineNo">370</span> * @param cacheBlock<a name="line.370"></a>
+<span class="sourceLineNo">371</span> * @param pread<a name="line.371"></a>
+<span class="sourceLineNo">372</span> * @param isCompaction is this block being read as part of a compaction<a name="line.372"></a>
+<span class="sourceLineNo">373</span> * @param expectedBlockType the
<TRUNCATED>
[06/51] [partial] hbase-site git commit: Published site at
7dabcf23e8dd53f563981e1e03f82336fc0a44da.
Posted by mi...@apache.org.
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/3e48e84d/devapidocs/src-html/org/apache/hadoop/hbase/io/hfile/HFile.WriterFactory.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/io/hfile/HFile.WriterFactory.html b/devapidocs/src-html/org/apache/hadoop/hbase/io/hfile/HFile.WriterFactory.html
index 8fd15a0..da22771 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/io/hfile/HFile.WriterFactory.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/io/hfile/HFile.WriterFactory.html
@@ -186,741 +186,742 @@
<span class="sourceLineNo">178</span> * The number of bytes per checksum.<a name="line.178"></a>
<span class="sourceLineNo">179</span> */<a name="line.179"></a>
<span class="sourceLineNo">180</span> public static final int DEFAULT_BYTES_PER_CHECKSUM = 16 * 1024;<a name="line.180"></a>
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-<span class="sourceLineNo">182</span> static final Counter checksumFailures = new Counter();<a name="line.182"></a>
-<span class="sourceLineNo">183</span><a name="line.183"></a>
-<span class="sourceLineNo">184</span> // for test purpose<a name="line.184"></a>
-<span class="sourceLineNo">185</span> public static final Counter dataBlockReadCnt = new Counter();<a name="line.185"></a>
-<span class="sourceLineNo">186</span><a name="line.186"></a>
-<span class="sourceLineNo">187</span> /**<a name="line.187"></a>
-<span class="sourceLineNo">188</span> * Number of checksum verification failures. It also<a name="line.188"></a>
-<span class="sourceLineNo">189</span> * clears the counter.<a name="line.189"></a>
-<span class="sourceLineNo">190</span> */<a name="line.190"></a>
-<span class="sourceLineNo">191</span> public static final long getChecksumFailuresCount() {<a name="line.191"></a>
-<span class="sourceLineNo">192</span> long count = checksumFailures.get();<a name="line.192"></a>
-<span class="sourceLineNo">193</span> checksumFailures.set(0);<a name="line.193"></a>
-<span class="sourceLineNo">194</span> return count;<a name="line.194"></a>
-<span class="sourceLineNo">195</span> }<a name="line.195"></a>
-<span class="sourceLineNo">196</span><a name="line.196"></a>
-<span class="sourceLineNo">197</span> /** API required to write an {@link HFile} */<a name="line.197"></a>
-<span class="sourceLineNo">198</span> public interface Writer extends Closeable {<a name="line.198"></a>
-<span class="sourceLineNo">199</span> /** Max memstore (mvcc) timestamp in FileInfo */<a name="line.199"></a>
-<span class="sourceLineNo">200</span> public static final byte [] MAX_MEMSTORE_TS_KEY = Bytes.toBytes("MAX_MEMSTORE_TS_KEY");<a name="line.200"></a>
-<span class="sourceLineNo">201</span><a name="line.201"></a>
-<span class="sourceLineNo">202</span> /** Add an element to the file info map. */<a name="line.202"></a>
-<span class="sourceLineNo">203</span> void appendFileInfo(byte[] key, byte[] value) throws IOException;<a name="line.203"></a>
-<span class="sourceLineNo">204</span><a name="line.204"></a>
-<span class="sourceLineNo">205</span> void append(Cell cell) throws IOException;<a name="line.205"></a>
-<span class="sourceLineNo">206</span><a name="line.206"></a>
-<span class="sourceLineNo">207</span> /** @return the path to this {@link HFile} */<a name="line.207"></a>
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-<span class="sourceLineNo">209</span><a name="line.209"></a>
-<span class="sourceLineNo">210</span> /**<a name="line.210"></a>
-<span class="sourceLineNo">211</span> * Adds an inline block writer such as a multi-level block index writer or<a name="line.211"></a>
-<span class="sourceLineNo">212</span> * a compound Bloom filter writer.<a name="line.212"></a>
-<span class="sourceLineNo">213</span> */<a name="line.213"></a>
-<span class="sourceLineNo">214</span> void addInlineBlockWriter(InlineBlockWriter bloomWriter);<a name="line.214"></a>
-<span class="sourceLineNo">215</span><a name="line.215"></a>
-<span class="sourceLineNo">216</span> // The below three methods take Writables. We'd like to undo Writables but undoing the below would be pretty<a name="line.216"></a>
-<span class="sourceLineNo">217</span> // painful. Could take a byte [] or a Message but we want to be backward compatible around hfiles so would need<a name="line.217"></a>
-<span class="sourceLineNo">218</span> // to map between Message and Writable or byte [] and current Writable serialization. This would be a bit of work<a name="line.218"></a>
-<span class="sourceLineNo">219</span> // to little gain. Thats my thinking at moment. St.Ack 20121129<a name="line.219"></a>
-<span class="sourceLineNo">220</span><a name="line.220"></a>
-<span class="sourceLineNo">221</span> void appendMetaBlock(String bloomFilterMetaKey, Writable metaWriter);<a name="line.221"></a>
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-<span class="sourceLineNo">223</span> /**<a name="line.223"></a>
-<span class="sourceLineNo">224</span> * Store general Bloom filter in the file. This does not deal with Bloom filter<a name="line.224"></a>
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<TRUNCATED>
[13/51] [partial] hbase-site git commit: Published site at
7dabcf23e8dd53f563981e1e03f82336fc0a44da.
Posted by mi...@apache.org.
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/3e48e84d/devapidocs/src-html/org/apache/hadoop/hbase/io/encoding/DataBlockEncoder.EncodedSeeker.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/io/encoding/DataBlockEncoder.EncodedSeeker.html b/devapidocs/src-html/org/apache/hadoop/hbase/io/encoding/DataBlockEncoder.EncodedSeeker.html
index 45ec6b4..f359559 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/io/encoding/DataBlockEncoder.EncodedSeeker.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/io/encoding/DataBlockEncoder.EncodedSeeker.html
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http://git-wip-us.apache.org/repos/asf/hbase-site/blob/3e48e84d/devapidocs/src-html/org/apache/hadoop/hbase/io/encoding/DataBlockEncoder.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/io/encoding/DataBlockEncoder.html b/devapidocs/src-html/org/apache/hadoop/hbase/io/encoding/DataBlockEncoder.html
index 45ec6b4..f359559 100644
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+<span class="sourceLineNo">196</span> public int compareKey(CellComparator comparator, Cell key);<a name="line.196"></a>
+<span class="sourceLineNo">197</span> }<a name="line.197"></a>
+<span class="sourceLineNo">198</span>}<a name="line.198"></a>