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Posted to commits@hbase.apache.org by mi...@apache.org on 2016/02/09 18:28:11 UTC
[25/51] [partial] hbase-site git commit: Published site at
7bb68b9031591cf378954a0eb8f71a8b9be01f9c.
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/358717f6/devapidocs/src-html/org/apache/hadoop/hbase/client/HTableMultiplexer.FlushWorker.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/client/HTableMultiplexer.FlushWorker.html b/devapidocs/src-html/org/apache/hadoop/hbase/client/HTableMultiplexer.FlushWorker.html
index 6cf6743..1b54cf8 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/client/HTableMultiplexer.FlushWorker.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/client/HTableMultiplexer.FlushWorker.html
@@ -27,572 +27,649 @@
<span class="sourceLineNo">019</span> */<a name="line.19"></a>
<span class="sourceLineNo">020</span>package org.apache.hadoop.hbase.client;<a name="line.20"></a>
<span class="sourceLineNo">021</span><a name="line.21"></a>
-<span class="sourceLineNo">022</span>import java.io.IOException;<a name="line.22"></a>
-<span class="sourceLineNo">023</span>import java.util.AbstractMap.SimpleEntry;<a name="line.23"></a>
-<span class="sourceLineNo">024</span>import java.util.ArrayList;<a name="line.24"></a>
-<span class="sourceLineNo">025</span>import java.util.Collections;<a name="line.25"></a>
-<span class="sourceLineNo">026</span>import java.util.HashMap;<a name="line.26"></a>
-<span class="sourceLineNo">027</span>import java.util.List;<a name="line.27"></a>
-<span class="sourceLineNo">028</span>import java.util.Map;<a name="line.28"></a>
-<span class="sourceLineNo">029</span>import java.util.concurrent.ConcurrentHashMap;<a name="line.29"></a>
-<span class="sourceLineNo">030</span>import java.util.concurrent.ExecutorService;<a name="line.30"></a>
-<span class="sourceLineNo">031</span>import java.util.concurrent.Executors;<a name="line.31"></a>
-<span class="sourceLineNo">032</span>import java.util.concurrent.LinkedBlockingQueue;<a name="line.32"></a>
-<span class="sourceLineNo">033</span>import java.util.concurrent.ScheduledExecutorService;<a name="line.33"></a>
-<span class="sourceLineNo">034</span>import java.util.concurrent.TimeUnit;<a name="line.34"></a>
-<span class="sourceLineNo">035</span>import java.util.concurrent.atomic.AtomicInteger;<a name="line.35"></a>
-<span class="sourceLineNo">036</span>import java.util.concurrent.atomic.AtomicLong;<a name="line.36"></a>
-<span class="sourceLineNo">037</span><a name="line.37"></a>
-<span class="sourceLineNo">038</span>import org.apache.commons.logging.Log;<a name="line.38"></a>
-<span class="sourceLineNo">039</span>import org.apache.commons.logging.LogFactory;<a name="line.39"></a>
-<span class="sourceLineNo">040</span>import org.apache.hadoop.conf.Configuration;<a name="line.40"></a>
-<span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.HBaseConfiguration;<a name="line.41"></a>
-<span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.HConstants;<a name="line.42"></a>
-<span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.HRegionInfo;<a name="line.43"></a>
-<span class="sourceLineNo">044</span>import org.apache.hadoop.hbase.HRegionLocation;<a name="line.44"></a>
-<span class="sourceLineNo">045</span>import org.apache.hadoop.hbase.ServerName;<a name="line.45"></a>
-<span class="sourceLineNo">046</span>import org.apache.hadoop.hbase.TableName;<a name="line.46"></a>
-<span class="sourceLineNo">047</span>import org.apache.hadoop.hbase.classification.InterfaceAudience;<a name="line.47"></a>
-<span class="sourceLineNo">048</span>import org.apache.hadoop.hbase.classification.InterfaceStability;<a name="line.48"></a>
-<span class="sourceLineNo">049</span>import org.apache.hadoop.hbase.client.AsyncProcess.AsyncRequestFuture;<a name="line.49"></a>
-<span class="sourceLineNo">050</span>import org.apache.hadoop.hbase.ipc.RpcControllerFactory;<a name="line.50"></a>
-<span class="sourceLineNo">051</span>import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;<a name="line.51"></a>
-<span class="sourceLineNo">052</span><a name="line.52"></a>
-<span class="sourceLineNo">053</span>import com.google.common.util.concurrent.ThreadFactoryBuilder;<a name="line.53"></a>
-<span class="sourceLineNo">054</span><a name="line.54"></a>
-<span class="sourceLineNo">055</span>/**<a name="line.55"></a>
-<span class="sourceLineNo">056</span> * HTableMultiplexer provides a thread-safe non blocking PUT API across all the tables.<a name="line.56"></a>
-<span class="sourceLineNo">057</span> * Each put will be sharded into different buffer queues based on its destination region server.<a name="line.57"></a>
-<span class="sourceLineNo">058</span> * So each region server buffer queue will only have the puts which share the same destination.<a name="line.58"></a>
-<span class="sourceLineNo">059</span> * And each queue will have a flush worker thread to flush the puts request to the region server.<a name="line.59"></a>
-<span class="sourceLineNo">060</span> * If any queue is full, the HTableMultiplexer starts to drop the Put requests for that<a name="line.60"></a>
-<span class="sourceLineNo">061</span> * particular queue.<a name="line.61"></a>
-<span class="sourceLineNo">062</span> *<a name="line.62"></a>
-<span class="sourceLineNo">063</span> * Also all the puts will be retried as a configuration number before dropping.<a name="line.63"></a>
-<span class="sourceLineNo">064</span> * And the HTableMultiplexer can report the number of buffered requests and the number of the<a name="line.64"></a>
-<span class="sourceLineNo">065</span> * failed (dropped) requests in total or on per region server basis.<a name="line.65"></a>
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-<span class="sourceLineNo">073</span><a name="line.73"></a>
-<span class="sourceLineNo">074</span> public static final String TABLE_MULTIPLEXER_FLUSH_PERIOD_MS =<a name="line.74"></a>
-<span class="sourceLineNo">075</span> "hbase.tablemultiplexer.flush.period.ms";<a name="line.75"></a>
-<span class="sourceLineNo">076</span> public static final String TABLE_MULTIPLEXER_INIT_THREADS = "hbase.tablemultiplexer.init.threads";<a name="line.76"></a>
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-<span class="sourceLineNo">078</span> "hbase.client.max.retries.in.queue";<a name="line.78"></a>
-<span class="sourceLineNo">079</span><a name="line.79"></a>
-<span class="sourceLineNo">080</span> /** The map between each region server to its flush worker */<a name="line.80"></a>
-<span class="sourceLineNo">081</span> private final Map<HRegionLocation, FlushWorker> serverToFlushWorkerMap =<a name="line.81"></a>
-<span class="sourceLineNo">082</span> new ConcurrentHashMap<>();<a name="line.82"></a>
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-<span class="sourceLineNo">092</span><a name="line.92"></a>
-<span class="sourceLineNo">093</span> /**<a name="line.93"></a>
-<span class="sourceLineNo">094</span> * @param conf The HBaseConfiguration<a name="line.94"></a>
-<span class="sourceLineNo">095</span> * @param perRegionServerBufferQueueSize determines the max number of the buffered Put ops for<a name="line.95"></a>
-<span class="sourceLineNo">096</span> * each region server before dropping the request.<a name="line.96"></a>
-<span class="sourceLineNo">097</span> */<a name="line.97"></a>
-<span class="sourceLineNo">098</span> public HTableMultiplexer(Configuration conf, int perRegionServerBufferQueueSize)<a name="line.98"></a>
-<span class="sourceLineNo">099</span> throws IOException {<a name="line.99"></a>
-<span class="sourceLineNo">100</span> this.conn = (ClusterConnection) ConnectionFactory.createConnection(conf);<a name="line.100"></a>
-<span class="sourceLineNo">101</span> this.pool = HTable.getDefaultExecutor(conf);<a name="line.101"></a>
-<span class="sourceLineNo">102</span> // how many times we could try in total, one more than retry number<a name="line.102"></a>
-<span class="sourceLineNo">103</span> this.maxAttempts = conf.getInt(HConstants.HBASE_CLIENT_RETRIES_NUMBER,<a name="line.103"></a>
-<span class="sourceLineNo">104</span> HConstants.DEFAULT_HBASE_CLIENT_RETRIES_NUMBER) + 1;<a name="line.104"></a>
-<span class="sourceLineNo">105</span> this.perRegionServerBufferQueueSize = perRegionServerBufferQueueSize;<a name="line.105"></a>
-<span class="sourceLineNo">106</span> this.maxKeyValueSize = HTable.getMaxKeyValueSize(conf);<a name="line.106"></a>
-<span class="sourceLineNo">107</span> this.flushPeriod = conf.getLong(TABLE_MULTIPLEXER_FLUSH_PERIOD_MS, 100);<a name="line.107"></a>
-<span class="sourceLineNo">108</span> int initThreads = conf.getInt(TABLE_MULTIPLEXER_INIT_THREADS, 10);<a name="line.108"></a>
-<span class="sourceLineNo">109</span> this.executor =<a name="line.109"></a>
-<span class="sourceLineNo">110</span> Executors.newScheduledThreadPool(initThreads,<a name="line.110"></a>
-<span class="sourceLineNo">111</span> new ThreadFactoryBuilder().setDaemon(true).setNameFormat("HTableFlushWorker-%d").build());<a name="line.111"></a>
-<span class="sourceLineNo">112</span><a name="line.112"></a>
-<span class="sourceLineNo">113</span> this.workerConf = HBaseConfiguration.create(conf);<a name="line.113"></a>
-<span class="sourceLineNo">114</span> // We do not do the retry because we need to reassign puts to different queues if regions are<a name="line.114"></a>
-<span class="sourceLineNo">115</span> // moved.<a name="line.115"></a>
-<span class="sourceLineNo">116</span> this.workerConf.setInt(HConstants.HBASE_CLIENT_RETRIES_NUMBER, 0);<a name="line.116"></a>
-<span class="sourceLineNo">117</span> }<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> * The put request will be buffered by its corresponding buffer queue. Return false if the queue<a name="line.120"></a>
-<span class="sourceLineNo">121</span> * is already full.<a name="line.121"></a>
-<span class="sourceLineNo">122</span> * @param tableName<a name="line.122"></a>
-<span class="sourceLineNo">123</span> * @param put<a name="line.123"></a>
-<span class="sourceLineNo">124</span> * @return true if the request can be accepted by its corresponding buffer queue.<a name="line.124"></a>
-<span class="sourceLineNo">125</span> */<a name="line.125"></a>
-<span class="sourceLineNo">126</span> public boolean put(TableName tableName, final Put put) {<a name="line.126"></a>
-<span class="sourceLineNo">127</span> return put(tableName, put, this.maxAttempts);<a name="line.127"></a>
-<span class="sourceLineNo">128</span> }<a name="line.128"></a>
-<span class="sourceLineNo">129</span><a name="line.129"></a>
-<span class="sourceLineNo">130</span> /**<a name="line.130"></a>
-<span class="sourceLineNo">131</span> * The puts request will be buffered by their corresponding buffer queue.<a name="line.131"></a>
-<span class="sourceLineNo">132</span> * Return the list of puts which could not be queued.<a name="line.132"></a>
-<span class="sourceLineNo">133</span> * @param tableName<a name="line.133"></a>
-<span class="sourceLineNo">134</span> * @param puts<a name="line.134"></a>
-<span class="sourceLineNo">135</span> * @return the list of puts which could not be queued<a name="line.135"></a>
-<span class="sourceLineNo">136</span> */<a name="line.136"></a>
-<span class="sourceLineNo">137</span> public List<Put> put(TableName tableName, final List<Put> puts) {<a name="line.137"></a>
-<span class="sourceLineNo">138</span> if (puts == null)<a name="line.138"></a>
-<span class="sourceLineNo">139</span> return null;<a name="line.139"></a>
-<span class="sourceLineNo">140</span><a name="line.140"></a>
-<span class="sourceLineNo">141</span> List <Put> failedPuts = null;<a name="line.141"></a>
-<span class="sourceLineNo">142</span> boolean result;<a name="line.142"></a>
-<span class="sourceLineNo">143</span> for (Put put : puts) {<a name="line.143"></a>
-<span class="sourceLineNo">144</span> result = put(tableName, put, this.maxAttempts);<a name="line.144"></a>
-<span class="sourceLineNo">145</span> if (result == false) {<a name="line.145"></a>
-<span class="sourceLineNo">146</span><a name="line.146"></a>
-<span class="sourceLineNo">147</span> // Create the failed puts list if necessary<a name="line.147"></a>
-<span class="sourceLineNo">148</span> if (failedPuts == null) {<a name="line.148"></a>
-<span class="sourceLineNo">149</span> failedPuts = new ArrayList<Put>();<a name="line.149"></a>
-<span class="sourceLineNo">150</span> }<a name="line.150"></a>
-<span class="sourceLineNo">151</span> // Add the put to the failed puts list<a name="line.151"></a>
-<span class="sourceLineNo">152</span> failedPuts.add(put);<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> return failedPuts;<a name="line.155"></a>
-<span class="sourceLineNo">156</span> }<a name="line.156"></a>
-<span class="sourceLineNo">157</span><a name="line.157"></a>
-<span class="sourceLineNo">158</span> /**<a name="line.158"></a>
-<span class="sourceLineNo">159</span> * @deprecated Use {@link #put(TableName, List) } instead.<a name="line.159"></a>
+<span class="sourceLineNo">022</span>import com.google.common.annotations.VisibleForTesting;<a name="line.22"></a>
+<span class="sourceLineNo">023</span>import com.google.common.util.concurrent.ThreadFactoryBuilder;<a name="line.23"></a>
+<span class="sourceLineNo">024</span><a name="line.24"></a>
+<span class="sourceLineNo">025</span>import java.io.IOException;<a name="line.25"></a>
+<span class="sourceLineNo">026</span>import java.util.AbstractMap.SimpleEntry;<a name="line.26"></a>
+<span class="sourceLineNo">027</span>import java.util.ArrayList;<a name="line.27"></a>
+<span class="sourceLineNo">028</span>import java.util.Collections;<a name="line.28"></a>
+<span class="sourceLineNo">029</span>import java.util.HashMap;<a name="line.29"></a>
+<span class="sourceLineNo">030</span>import java.util.List;<a name="line.30"></a>
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+<span class="sourceLineNo">034</span>import java.util.concurrent.Executors;<a name="line.34"></a>
+<span class="sourceLineNo">035</span>import java.util.concurrent.LinkedBlockingQueue;<a name="line.35"></a>
+<span class="sourceLineNo">036</span>import java.util.concurrent.ScheduledExecutorService;<a name="line.36"></a>
+<span class="sourceLineNo">037</span>import java.util.concurrent.TimeUnit;<a name="line.37"></a>
+<span class="sourceLineNo">038</span>import java.util.concurrent.atomic.AtomicInteger;<a name="line.38"></a>
+<span class="sourceLineNo">039</span>import java.util.concurrent.atomic.AtomicLong;<a name="line.39"></a>
+<span class="sourceLineNo">040</span><a name="line.40"></a>
+<span class="sourceLineNo">041</span>import org.apache.commons.logging.Log;<a name="line.41"></a>
+<span class="sourceLineNo">042</span>import org.apache.commons.logging.LogFactory;<a name="line.42"></a>
+<span class="sourceLineNo">043</span>import org.apache.hadoop.conf.Configuration;<a name="line.43"></a>
+<span class="sourceLineNo">044</span>import org.apache.hadoop.hbase.HBaseConfiguration;<a name="line.44"></a>
+<span class="sourceLineNo">045</span>import org.apache.hadoop.hbase.HConstants;<a name="line.45"></a>
+<span class="sourceLineNo">046</span>import org.apache.hadoop.hbase.HRegionInfo;<a name="line.46"></a>
+<span class="sourceLineNo">047</span>import org.apache.hadoop.hbase.HRegionLocation;<a name="line.47"></a>
+<span class="sourceLineNo">048</span>import org.apache.hadoop.hbase.ServerName;<a name="line.48"></a>
+<span class="sourceLineNo">049</span>import org.apache.hadoop.hbase.TableName;<a name="line.49"></a>
+<span class="sourceLineNo">050</span>import org.apache.hadoop.hbase.classification.InterfaceAudience;<a name="line.50"></a>
+<span class="sourceLineNo">051</span>import org.apache.hadoop.hbase.classification.InterfaceStability;<a name="line.51"></a>
+<span class="sourceLineNo">052</span>import org.apache.hadoop.hbase.client.AsyncProcess.AsyncRequestFuture;<a name="line.52"></a>
+<span class="sourceLineNo">053</span>import org.apache.hadoop.hbase.ipc.RpcControllerFactory;<a name="line.53"></a>
+<span class="sourceLineNo">054</span>import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;<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> * HTableMultiplexer provides a thread-safe non blocking PUT API across all the tables.<a name="line.57"></a>
+<span class="sourceLineNo">058</span> * Each put will be sharded into different buffer queues based on its destination region server.<a name="line.58"></a>
+<span class="sourceLineNo">059</span> * So each region server buffer queue will only have the puts which share the same destination.<a name="line.59"></a>
+<span class="sourceLineNo">060</span> * And each queue will have a flush worker thread to flush the puts request to the region server.<a name="line.60"></a>
+<span class="sourceLineNo">061</span> * If any queue is full, the HTableMultiplexer starts to drop the Put requests for that<a name="line.61"></a>
+<span class="sourceLineNo">062</span> * particular queue.<a name="line.62"></a>
+<span class="sourceLineNo">063</span> *<a name="line.63"></a>
+<span class="sourceLineNo">064</span> * Also all the puts will be retried as a configuration number before dropping.<a name="line.64"></a>
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+<span class="sourceLineNo">066</span> * failed (dropped) requests in total or on per region server basis.<a name="line.66"></a>
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+<span class="sourceLineNo">074</span><a name="line.74"></a>
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+<span class="sourceLineNo">079</span> "hbase.client.max.retries.in.queue";<a name="line.79"></a>
+<span class="sourceLineNo">080</span><a name="line.80"></a>
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+<span class="sourceLineNo">097</span> * each region server before dropping the request.<a name="line.97"></a>
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+<span class="sourceLineNo">100</span> throws IOException {<a name="line.100"></a>
+<span class="sourceLineNo">101</span> this(ConnectionFactory.createConnection(conf), conf, perRegionServerBufferQueueSize);<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>
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+<span class="sourceLineNo">106</span> * @param conf The HBase configuration<a name="line.106"></a>
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+<span class="sourceLineNo">108</span> * each region server before dropping the request.<a name="line.108"></a>
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