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Posted to commits@hbase.apache.org by mi...@apache.org on 2015/12/30 23:15:48 UTC
[27/51] [partial] hbase-site git commit: Published site at
07b623670647686084f8f5fd2038e2bafcfdac54.
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/e5c3dcd1/devapidocs/src-html/org/apache/hadoop/hbase/ipc/AbstractRpcClient.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/ipc/AbstractRpcClient.html b/devapidocs/src-html/org/apache/hadoop/hbase/ipc/AbstractRpcClient.html
index 5a41d78..f9da92e 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/ipc/AbstractRpcClient.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/ipc/AbstractRpcClient.html
@@ -32,278 +32,309 @@
<span class="sourceLineNo">024</span>import com.google.protobuf.Message;<a name="line.24"></a>
<span class="sourceLineNo">025</span>import com.google.protobuf.RpcController;<a name="line.25"></a>
<span class="sourceLineNo">026</span>import com.google.protobuf.ServiceException;<a name="line.26"></a>
-<span class="sourceLineNo">027</span>import org.apache.commons.logging.Log;<a name="line.27"></a>
-<span class="sourceLineNo">028</span>import org.apache.commons.logging.LogFactory;<a name="line.28"></a>
-<span class="sourceLineNo">029</span>import org.apache.hadoop.conf.Configuration;<a name="line.29"></a>
-<span class="sourceLineNo">030</span>import org.apache.hadoop.hbase.CellScanner;<a name="line.30"></a>
-<span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.HConstants;<a name="line.31"></a>
-<span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.ServerName;<a name="line.32"></a>
-<span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.classification.InterfaceAudience;<a name="line.33"></a>
-<span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.client.MetricsConnection;<a name="line.34"></a>
-<span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.codec.Codec;<a name="line.35"></a>
-<span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.codec.KeyValueCodec;<a name="line.36"></a>
-<span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.security.User;<a name="line.37"></a>
-<span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.security.UserProvider;<a name="line.38"></a>
-<span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;<a name="line.39"></a>
-<span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.util.Pair;<a name="line.40"></a>
-<span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.util.PoolMap;<a name="line.41"></a>
-<span class="sourceLineNo">042</span>import org.apache.hadoop.io.compress.CompressionCodec;<a name="line.42"></a>
-<span class="sourceLineNo">043</span><a name="line.43"></a>
-<span class="sourceLineNo">044</span>import java.io.IOException;<a name="line.44"></a>
-<span class="sourceLineNo">045</span>import java.net.InetSocketAddress;<a name="line.45"></a>
-<span class="sourceLineNo">046</span>import java.net.SocketAddress;<a name="line.46"></a>
-<span class="sourceLineNo">047</span><a name="line.47"></a>
-<span class="sourceLineNo">048</span>/**<a name="line.48"></a>
-<span class="sourceLineNo">049</span> * Provides the basics for a RpcClient implementation like configuration and Logging.<a name="line.49"></a>
-<span class="sourceLineNo">050</span> */<a name="line.50"></a>
-<span class="sourceLineNo">051</span>@InterfaceAudience.Private<a name="line.51"></a>
-<span class="sourceLineNo">052</span>public abstract class AbstractRpcClient implements RpcClient {<a name="line.52"></a>
-<span class="sourceLineNo">053</span> // Log level is being changed in tests<a name="line.53"></a>
-<span class="sourceLineNo">054</span> public static final Log LOG = LogFactory.getLog(AbstractRpcClient.class);<a name="line.54"></a>
-<span class="sourceLineNo">055</span><a name="line.55"></a>
-<span class="sourceLineNo">056</span> protected final Configuration conf;<a name="line.56"></a>
-<span class="sourceLineNo">057</span> protected String clusterId;<a name="line.57"></a>
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-<span class="sourceLineNo">063</span><a name="line.63"></a>
-<span class="sourceLineNo">064</span> protected final int minIdleTimeBeforeClose; // if the connection is idle for more than this<a name="line.64"></a>
-<span class="sourceLineNo">065</span> // time (in ms), it will be closed at any moment.<a name="line.65"></a>
-<span class="sourceLineNo">066</span> protected final int maxRetries; //the max. no. of retries for socket connections<a name="line.66"></a>
-<span class="sourceLineNo">067</span> protected final long failureSleep; // Time to sleep before retry on failure.<a name="line.67"></a>
-<span class="sourceLineNo">068</span> protected final boolean tcpNoDelay; // if T then disable Nagle's Algorithm<a name="line.68"></a>
-<span class="sourceLineNo">069</span> protected final boolean tcpKeepAlive; // if T then use keepalives<a name="line.69"></a>
-<span class="sourceLineNo">070</span> protected final Codec codec;<a name="line.70"></a>
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-<span class="sourceLineNo">073</span><a name="line.73"></a>
-<span class="sourceLineNo">074</span> protected final int connectTO;<a name="line.74"></a>
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-<span class="sourceLineNo">076</span> protected final int writeTO;<a name="line.76"></a>
+<span class="sourceLineNo">027</span><a name="line.27"></a>
+<span class="sourceLineNo">028</span>import java.io.IOException;<a name="line.28"></a>
+<span class="sourceLineNo">029</span>import java.net.ConnectException;<a name="line.29"></a>
+<span class="sourceLineNo">030</span>import java.net.InetSocketAddress;<a name="line.30"></a>
+<span class="sourceLineNo">031</span>import java.net.SocketAddress;<a name="line.31"></a>
+<span class="sourceLineNo">032</span>import java.net.SocketTimeoutException;<a name="line.32"></a>
+<span class="sourceLineNo">033</span><a name="line.33"></a>
+<span class="sourceLineNo">034</span>import org.apache.commons.logging.Log;<a name="line.34"></a>
+<span class="sourceLineNo">035</span>import org.apache.commons.logging.LogFactory;<a name="line.35"></a>
+<span class="sourceLineNo">036</span>import org.apache.hadoop.conf.Configuration;<a name="line.36"></a>
+<span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.CellScanner;<a name="line.37"></a>
+<span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.HConstants;<a name="line.38"></a>
+<span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.ServerName;<a name="line.39"></a>
+<span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.classification.InterfaceAudience;<a name="line.40"></a>
+<span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.client.MetricsConnection;<a name="line.41"></a>
+<span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.codec.Codec;<a name="line.42"></a>
+<span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.codec.KeyValueCodec;<a name="line.43"></a>
+<span class="sourceLineNo">044</span>import org.apache.hadoop.hbase.exceptions.ConnectionClosingException;<a name="line.44"></a>
+<span class="sourceLineNo">045</span>import org.apache.hadoop.hbase.security.User;<a name="line.45"></a>
+<span class="sourceLineNo">046</span>import org.apache.hadoop.hbase.security.UserProvider;<a name="line.46"></a>
+<span class="sourceLineNo">047</span>import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;<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.PoolMap;<a name="line.49"></a>
+<span class="sourceLineNo">050</span>import org.apache.hadoop.io.compress.CompressionCodec;<a name="line.50"></a>
+<span class="sourceLineNo">051</span><a name="line.51"></a>
+<span class="sourceLineNo">052</span>/**<a name="line.52"></a>
+<span class="sourceLineNo">053</span> * Provides the basics for a RpcClient implementation like configuration and Logging.<a name="line.53"></a>
+<span class="sourceLineNo">054</span> */<a name="line.54"></a>
+<span class="sourceLineNo">055</span>@InterfaceAudience.Private<a name="line.55"></a>
+<span class="sourceLineNo">056</span>public abstract class AbstractRpcClient implements RpcClient {<a name="line.56"></a>
+<span class="sourceLineNo">057</span> // Log level is being changed in tests<a name="line.57"></a>
+<span class="sourceLineNo">058</span> public static final Log LOG = LogFactory.getLog(AbstractRpcClient.class);<a name="line.58"></a>
+<span class="sourceLineNo">059</span><a name="line.59"></a>
+<span class="sourceLineNo">060</span> protected final Configuration conf;<a name="line.60"></a>
+<span class="sourceLineNo">061</span> protected String clusterId;<a name="line.61"></a>
+<span class="sourceLineNo">062</span> protected final SocketAddress localAddr;<a name="line.62"></a>
+<span class="sourceLineNo">063</span> protected final MetricsConnection metrics;<a name="line.63"></a>
+<span class="sourceLineNo">064</span><a name="line.64"></a>
+<span class="sourceLineNo">065</span> protected UserProvider userProvider;<a name="line.65"></a>
+<span class="sourceLineNo">066</span> protected final IPCUtil ipcUtil;<a name="line.66"></a>
+<span class="sourceLineNo">067</span><a name="line.67"></a>
+<span class="sourceLineNo">068</span> protected final int minIdleTimeBeforeClose; // if the connection is idle for more than this<a name="line.68"></a>
+<span class="sourceLineNo">069</span> // time (in ms), it will be closed at any moment.<a name="line.69"></a>
+<span class="sourceLineNo">070</span> protected final int maxRetries; //the max. no. of retries for socket connections<a name="line.70"></a>
+<span class="sourceLineNo">071</span> protected final long failureSleep; // Time to sleep before retry on failure.<a name="line.71"></a>
+<span class="sourceLineNo">072</span> protected final boolean tcpNoDelay; // if T then disable Nagle's Algorithm<a name="line.72"></a>
+<span class="sourceLineNo">073</span> protected final boolean tcpKeepAlive; // if T then use keepalives<a name="line.73"></a>
+<span class="sourceLineNo">074</span> protected final Codec codec;<a name="line.74"></a>
+<span class="sourceLineNo">075</span> protected final CompressionCodec compressor;<a name="line.75"></a>
+<span class="sourceLineNo">076</span> protected final boolean fallbackAllowed;<a name="line.76"></a>
<span class="sourceLineNo">077</span><a name="line.77"></a>
-<span class="sourceLineNo">078</span> /**<a name="line.78"></a>
-<span class="sourceLineNo">079</span> * Construct an IPC client for the cluster <code>clusterId</code><a name="line.79"></a>
-<span class="sourceLineNo">080</span> *<a name="line.80"></a>
-<span class="sourceLineNo">081</span> * @param conf configuration<a name="line.81"></a>
-<span class="sourceLineNo">082</span> * @param clusterId the cluster id<a name="line.82"></a>
-<span class="sourceLineNo">083</span> * @param localAddr client socket bind address.<a name="line.83"></a>
-<span class="sourceLineNo">084</span> * @param metrics the connection metrics<a name="line.84"></a>
-<span class="sourceLineNo">085</span> */<a name="line.85"></a>
-<span class="sourceLineNo">086</span> public AbstractRpcClient(Configuration conf, String clusterId, SocketAddress localAddr,<a name="line.86"></a>
-<span class="sourceLineNo">087</span> MetricsConnection metrics) {<a name="line.87"></a>
-<span class="sourceLineNo">088</span> this.userProvider = UserProvider.instantiate(conf);<a name="line.88"></a>
-<span class="sourceLineNo">089</span> this.localAddr = localAddr;<a name="line.89"></a>
-<span class="sourceLineNo">090</span> this.tcpKeepAlive = conf.getBoolean("hbase.ipc.client.tcpkeepalive", true);<a name="line.90"></a>
-<span class="sourceLineNo">091</span> this.clusterId = clusterId != null ? clusterId : HConstants.CLUSTER_ID_DEFAULT;<a name="line.91"></a>
-<span class="sourceLineNo">092</span> this.failureSleep = conf.getLong(HConstants.HBASE_CLIENT_PAUSE,<a name="line.92"></a>
-<span class="sourceLineNo">093</span> HConstants.DEFAULT_HBASE_CLIENT_PAUSE);<a name="line.93"></a>
-<span class="sourceLineNo">094</span> this.maxRetries = conf.getInt("hbase.ipc.client.connect.max.retries", 0);<a name="line.94"></a>
-<span class="sourceLineNo">095</span> this.tcpNoDelay = conf.getBoolean("hbase.ipc.client.tcpnodelay", true);<a name="line.95"></a>
-<span class="sourceLineNo">096</span> this.ipcUtil = new IPCUtil(conf);<a name="line.96"></a>
-<span class="sourceLineNo">097</span><a name="line.97"></a>
-<span class="sourceLineNo">098</span> this.minIdleTimeBeforeClose = conf.getInt(IDLE_TIME, 120000); // 2 minutes<a name="line.98"></a>
-<span class="sourceLineNo">099</span> this.conf = conf;<a name="line.99"></a>
-<span class="sourceLineNo">100</span> this.codec = getCodec();<a name="line.100"></a>
-<span class="sourceLineNo">101</span> this.compressor = getCompressor(conf);<a name="line.101"></a>
-<span class="sourceLineNo">102</span> this.fallbackAllowed = conf.getBoolean(IPC_CLIENT_FALLBACK_TO_SIMPLE_AUTH_ALLOWED_KEY,<a name="line.102"></a>
-<span class="sourceLineNo">103</span> IPC_CLIENT_FALLBACK_TO_SIMPLE_AUTH_ALLOWED_DEFAULT);<a name="line.103"></a>
-<span class="sourceLineNo">104</span> this.connectTO = conf.getInt(SOCKET_TIMEOUT_CONNECT, DEFAULT_SOCKET_TIMEOUT_CONNECT);<a name="line.104"></a>
-<span class="sourceLineNo">105</span> this.readTO = conf.getInt(SOCKET_TIMEOUT_READ, DEFAULT_SOCKET_TIMEOUT_READ);<a name="line.105"></a>
-<span class="sourceLineNo">106</span> this.writeTO = conf.getInt(SOCKET_TIMEOUT_WRITE, DEFAULT_SOCKET_TIMEOUT_WRITE);<a name="line.106"></a>
-<span class="sourceLineNo">107</span> this.metrics = metrics;<a name="line.107"></a>
-<span class="sourceLineNo">108</span><a name="line.108"></a>
-<span class="sourceLineNo">109</span> // login the server principal (if using secure Hadoop)<a name="line.109"></a>
-<span class="sourceLineNo">110</span> if (LOG.isDebugEnabled()) {<a name="line.110"></a>
-<span class="sourceLineNo">111</span> LOG.debug("Codec=" + this.codec + ", compressor=" + this.compressor +<a name="line.111"></a>
-<span class="sourceLineNo">112</span> ", tcpKeepAlive=" + this.tcpKeepAlive +<a name="line.112"></a>
-<span class="sourceLineNo">113</span> ", tcpNoDelay=" + this.tcpNoDelay +<a name="line.113"></a>
-<span class="sourceLineNo">114</span> ", connectTO=" + this.connectTO +<a name="line.114"></a>
-<span class="sourceLineNo">115</span> ", readTO=" + this.readTO +<a name="line.115"></a>
-<span class="sourceLineNo">116</span> ", writeTO=" + this.writeTO +<a name="line.116"></a>
-<span class="sourceLineNo">117</span> ", minIdleTimeBeforeClose=" + this.minIdleTimeBeforeClose +<a name="line.117"></a>
-<span class="sourceLineNo">118</span> ", maxRetries=" + this.maxRetries +<a name="line.118"></a>
-<span class="sourceLineNo">119</span> ", fallbackAllowed=" + this.fallbackAllowed +<a name="line.119"></a>
-<span class="sourceLineNo">120</span> ", bind address=" + (this.localAddr != null ? this.localAddr : "null"));<a name="line.120"></a>
-<span class="sourceLineNo">121</span> }<a name="line.121"></a>
-<span class="sourceLineNo">122</span> }<a name="line.122"></a>
-<span class="sourceLineNo">123</span><a name="line.123"></a>
-<span class="sourceLineNo">124</span> @VisibleForTesting<a name="line.124"></a>
-<span class="sourceLineNo">125</span> public static String getDefaultCodec(final Configuration c) {<a name="line.125"></a>
-<span class="sourceLineNo">126</span> // If "hbase.client.default.rpc.codec" is empty string -- you can't set it to null because<a name="line.126"></a>
-<span class="sourceLineNo">127</span> // Configuration will complain -- then no default codec (and we'll pb everything). Else<a name="line.127"></a>
-<span class="sourceLineNo">128</span> // default is KeyValueCodec<a name="line.128"></a>
-<span class="sourceLineNo">129</span> return c.get(DEFAULT_CODEC_CLASS, KeyValueCodec.class.getCanonicalName());<a name="line.129"></a>
-<span class="sourceLineNo">130</span> }<a name="line.130"></a>
-<span class="sourceLineNo">131</span><a name="line.131"></a>
-<span class="sourceLineNo">132</span> /**<a name="line.132"></a>
-<span class="sourceLineNo">133</span> * Encapsulate the ugly casting and RuntimeException conversion in private method.<a name="line.133"></a>
-<span class="sourceLineNo">134</span> * @return Codec to use on this client.<a name="line.134"></a>
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-<span class="sourceLineNo">136</span> Codec getCodec() {<a name="line.136"></a>
-<span class="sourceLineNo">137</span> // For NO CODEC, "hbase.client.rpc.codec" must be configured with empty string AND<a name="line.137"></a>
-<span class="sourceLineNo">138</span> // "hbase.client.default.rpc.codec" also -- because default is to do cell block encoding.<a name="line.138"></a>
-<span class="sourceLineNo">139</span> String className = conf.get(HConstants.RPC_CODEC_CONF_KEY, getDefaultCodec(this.conf));<a name="line.139"></a>
-<span class="sourceLineNo">140</span> if (className == null || className.length() == 0) return null;<a name="line.140"></a>
-<span class="sourceLineNo">141</span> try {<a name="line.141"></a>
-<span class="sourceLineNo">142</span> return (Codec)Class.forName(className).newInstance();<a name="line.142"></a>
-<span class="sourceLineNo">143</span> } catch (Exception e) {<a name="line.143"></a>
-<span class="sourceLineNo">144</span> throw new RuntimeException("Failed getting codec " + className, e);<a name="line.144"></a>
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-<span class="sourceLineNo">148</span> /**<a name="line.148"></a>
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-<span class="sourceLineNo">152</span> */<a name="line.152"></a>
-<span class="sourceLineNo">153</span> private static CompressionCodec getCompressor(final Configuration conf) {<a name="line.153"></a>
-<span class="sourceLineNo">154</span> String className = conf.get("hbase.client.rpc.compressor", null);<a name="line.154"></a>
-<span class="sourceLineNo">155</span> if (className == null || className.isEmpty()) return null;<a name="line.155"></a>
-<span class="sourceLineNo">156</span> try {<a name="line.156"></a>
-<span class="sourceLineNo">157</span> return (CompressionCodec)Class.forName(className).newInstance();<a name="line.157"></a>
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-<span class="sourceLineNo">159</span> throw new RuntimeException("Failed getting compressor " + className, e);<a name="line.159"></a>
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-<span class="sourceLineNo">170</span> * applications with few user threads, you may want to try using a<a name="line.170"></a>
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