[01/51] [partial] hbase-site git commit: Published site at .

[git-site-role]

Repository: hbase-site
Updated Branches:
  refs/heads/asf-site e071e2f52 -> 071f974ba


http://git-wip-us.apache.org/repos/asf/hbase-site/blob/071f974b/devapidocs/src-html/org/apache/hadoop/hbase/ipc/SimpleRpcServer.Listener.html
----------------------------------------------------------------------
diff --git 
a/devapidocs/src-html/org/apache/hadoop/hbase/ipc/SimpleRpcServer.Listener.html 
b/devapidocs/src-html/org/apache/hadoop/hbase/ipc/SimpleRpcServer.Listener.html
index 67e6eae..a83310a 100644
--- 
a/devapidocs/src-html/org/apache/hadoop/hbase/ipc/SimpleRpcServer.Listener.html
+++ 
b/devapidocs/src-html/org/apache/hadoop/hbase/ipc/SimpleRpcServer.Listener.html
@@ -51,10 +51,10 @@
 <span class="sourceLineNo">043</span><a name="line.43"></a>
 <span class="sourceLineNo">044</span>import 
org.apache.hadoop.conf.Configuration;<a name="line.44"></a>
 <span class="sourceLineNo">045</span>import 
org.apache.hadoop.hbase.CellScanner;<a name="line.45"></a>
-<span class="sourceLineNo">046</span>import 
org.apache.hadoop.hbase.HConstants;<a name="line.46"></a>
-<span class="sourceLineNo">047</span>import org.apache.hadoop.hbase.Server;<a 
name="line.47"></a>
-<span class="sourceLineNo">048</span>import 
org.apache.yetus.audience.InterfaceAudience;<a name="line.48"></a>
-<span class="sourceLineNo">049</span>import 
org.apache.yetus.audience.InterfaceStability;<a name="line.49"></a>
+<span class="sourceLineNo">046</span>import 
org.apache.hadoop.hbase.HBaseInterfaceAudience;<a name="line.46"></a>
+<span class="sourceLineNo">047</span>import 
org.apache.hadoop.hbase.HConstants;<a name="line.47"></a>
+<span class="sourceLineNo">048</span>import org.apache.hadoop.hbase.Server;<a 
name="line.48"></a>
+<span class="sourceLineNo">049</span>import 
org.apache.yetus.audience.InterfaceAudience;<a name="line.49"></a>
 <span class="sourceLineNo">050</span>import 
org.apache.hadoop.hbase.monitoring.MonitoredRPCHandler;<a name="line.50"></a>
 <span class="sourceLineNo">051</span>import 
org.apache.hadoop.hbase.security.HBasePolicyProvider;<a name="line.51"></a>
 <span class="sourceLineNo">052</span>import 
org.apache.hadoop.hbase.shaded.com.google.protobuf.BlockingService;<a 
name="line.52"></a>
@@ -89,624 +89,623 @@
 <span class="sourceLineNo">081</span> *<a name="line.81"></a>
 <span class="sourceLineNo">082</span> * @see BlockingRpcClient<a 
name="line.82"></a>
 <span class="sourceLineNo">083</span> */<a name="line.83"></a>
-<span class="sourceLineNo">084</span>@InterfaceAudience.Private<a 
name="line.84"></a>
-<span class="sourceLineNo">085</span>@InterfaceStability.Evolving<a 
name="line.85"></a>
-<span class="sourceLineNo">086</span>public class SimpleRpcServer extends 
RpcServer {<a name="line.86"></a>
-<span class="sourceLineNo">087</span><a name="line.87"></a>
-<span class="sourceLineNo">088</span>  protected int port;                     
        // port we listen on<a name="line.88"></a>
-<span class="sourceLineNo">089</span>  protected InetSocketAddress address;    
        // inet address we listen on<a name="line.89"></a>
-<span class="sourceLineNo">090</span>  private int readThreads;                
        // number of read threads<a name="line.90"></a>
-<span class="sourceLineNo">091</span><a name="line.91"></a>
-<span class="sourceLineNo">092</span>  protected int socketSendBufferSize;<a 
name="line.92"></a>
-<span class="sourceLineNo">093</span>  protected final long purgeTimeout;    
// in milliseconds<a name="line.93"></a>
-<span class="sourceLineNo">094</span><a name="line.94"></a>
-<span class="sourceLineNo">095</span>  // maintains the set of client 
connections and handles idle timeouts<a name="line.95"></a>
-<span class="sourceLineNo">096</span>  private ConnectionManager 
connectionManager;<a name="line.96"></a>
-<span class="sourceLineNo">097</span>  private Listener listener = null;<a 
name="line.97"></a>
-<span class="sourceLineNo">098</span>  protected SimpleRpcServerResponder 
responder = null;<a name="line.98"></a>
-<span class="sourceLineNo">099</span><a name="line.99"></a>
-<span class="sourceLineNo">100</span>  /** Listens on the socket. Creates jobs 
for the handler threads*/<a name="line.100"></a>
-<span class="sourceLineNo">101</span>  private class Listener extends Thread 
{<a name="line.101"></a>
-<span class="sourceLineNo">102</span><a name="line.102"></a>
-<span class="sourceLineNo">103</span>    private ServerSocketChannel 
acceptChannel = null; //the accept channel<a name="line.103"></a>
-<span class="sourceLineNo">104</span>    private Selector selector = null; 
//the selector that we use for the server<a name="line.104"></a>
-<span class="sourceLineNo">105</span>    private Reader[] readers = null;<a 
name="line.105"></a>
-<span class="sourceLineNo">106</span>    private int currentReader = 0;<a 
name="line.106"></a>
-<span class="sourceLineNo">107</span>    private final int 
readerPendingConnectionQueueLength;<a name="line.107"></a>
-<span class="sourceLineNo">108</span><a name="line.108"></a>
-<span class="sourceLineNo">109</span>    private ExecutorService readPool;<a 
name="line.109"></a>
-<span class="sourceLineNo">110</span><a name="line.110"></a>
-<span class="sourceLineNo">111</span>    public Listener(final String name) 
throws IOException {<a name="line.111"></a>
-<span class="sourceLineNo">112</span>      super(name);<a name="line.112"></a>
-<span class="sourceLineNo">113</span>      // The backlog of requests that we 
will have the serversocket carry.<a name="line.113"></a>
-<span class="sourceLineNo">114</span>      int backlogLength = 
conf.getInt("hbase.ipc.server.listen.queue.size", 128);<a name="line.114"></a>
-<span class="sourceLineNo">115</span>      readerPendingConnectionQueueLength 
=<a name="line.115"></a>
-<span class="sourceLineNo">116</span>          
conf.getInt("hbase.ipc.server.read.connection-queue.size", 100);<a 
name="line.116"></a>
-<span class="sourceLineNo">117</span>      // Create a new server socket and 
set to non blocking mode<a name="line.117"></a>
-<span class="sourceLineNo">118</span>      acceptChannel = 
ServerSocketChannel.open();<a name="line.118"></a>
-<span class="sourceLineNo">119</span>      
acceptChannel.configureBlocking(false);<a name="line.119"></a>
-<span class="sourceLineNo">120</span><a name="line.120"></a>
-<span class="sourceLineNo">121</span>      // Bind the server socket to the 
binding addrees (can be different from the default interface)<a 
name="line.121"></a>
-<span class="sourceLineNo">122</span>      bind(acceptChannel.socket(), 
bindAddress, backlogLength);<a name="line.122"></a>
-<span class="sourceLineNo">123</span>      port = 
acceptChannel.socket().getLocalPort(); //Could be an ephemeral port<a 
name="line.123"></a>
-<span class="sourceLineNo">124</span>      address = 
(InetSocketAddress)acceptChannel.socket().getLocalSocketAddress();<a 
name="line.124"></a>
-<span class="sourceLineNo">125</span>      // create a selector;<a 
name="line.125"></a>
-<span class="sourceLineNo">126</span>      selector = Selector.open();<a 
name="line.126"></a>
-<span class="sourceLineNo">127</span><a name="line.127"></a>
-<span class="sourceLineNo">128</span>      readers = new 
Reader[readThreads];<a name="line.128"></a>
-<span class="sourceLineNo">129</span>      // Why this executor thing? Why not 
like hadoop just start up all the threads? I suppose it<a name="line.129"></a>
-<span class="sourceLineNo">130</span>      // has an advantage in that it is 
easy to shutdown the pool.<a name="line.130"></a>
-<span class="sourceLineNo">131</span>      readPool = 
Executors.newFixedThreadPool(readThreads,<a name="line.131"></a>
-<span class="sourceLineNo">132</span>        new 
ThreadFactoryBuilder().setNameFormat(<a name="line.132"></a>
-<span class="sourceLineNo">133</span>          "Reader=%d,bindAddress=" + 
bindAddress.getHostName() +<a name="line.133"></a>
-<span class="sourceLineNo">134</span>          ",port=" + 
port).setDaemon(true)<a name="line.134"></a>
-<span class="sourceLineNo">135</span>        
.setUncaughtExceptionHandler(Threads.LOGGING_EXCEPTION_HANDLER).build());<a 
name="line.135"></a>
-<span class="sourceLineNo">136</span>      for (int i = 0; i &lt; readThreads; 
++i) {<a name="line.136"></a>
-<span class="sourceLineNo">137</span>        Reader reader = new Reader();<a 
name="line.137"></a>
-<span class="sourceLineNo">138</span>        readers[i] = reader;<a 
name="line.138"></a>
-<span class="sourceLineNo">139</span>        readPool.execute(reader);<a 
name="line.139"></a>
-<span class="sourceLineNo">140</span>      }<a name="line.140"></a>
-<span class="sourceLineNo">141</span>      LOG.info(getName() + ": started " + 
readThreads + " reader(s) listening on port=" + port);<a name="line.141"></a>
-<span class="sourceLineNo">142</span><a name="line.142"></a>
-<span class="sourceLineNo">143</span>      // Register accepts on the server 
socket with the selector.<a name="line.143"></a>
-<span class="sourceLineNo">144</span>      acceptChannel.register(selector, 
SelectionKey.OP_ACCEPT);<a name="line.144"></a>
-<span class="sourceLineNo">145</span>      this.setName("Listener,port=" + 
port);<a name="line.145"></a>
-<span class="sourceLineNo">146</span>      this.setDaemon(true);<a 
name="line.146"></a>
-<span class="sourceLineNo">147</span>    }<a name="line.147"></a>
+<span 
class="sourceLineNo">084</span>@InterfaceAudience.LimitedPrivate({HBaseInterfaceAudience.CONFIG})<a
 name="line.84"></a>
+<span class="sourceLineNo">085</span>public class SimpleRpcServer extends 
RpcServer {<a name="line.85"></a>
+<span class="sourceLineNo">086</span><a name="line.86"></a>
+<span class="sourceLineNo">087</span>  protected int port;                     
        // port we listen on<a name="line.87"></a>
+<span class="sourceLineNo">088</span>  protected InetSocketAddress address;    
        // inet address we listen on<a name="line.88"></a>
+<span class="sourceLineNo">089</span>  private int readThreads;                
        // number of read threads<a name="line.89"></a>
+<span class="sourceLineNo">090</span><a name="line.90"></a>
+<span class="sourceLineNo">091</span>  protected int socketSendBufferSize;<a 
name="line.91"></a>
+<span class="sourceLineNo">092</span>  protected final long purgeTimeout;    
// in milliseconds<a name="line.92"></a>
+<span class="sourceLineNo">093</span><a name="line.93"></a>
+<span class="sourceLineNo">094</span>  // maintains the set of client 
connections and handles idle timeouts<a name="line.94"></a>
+<span class="sourceLineNo">095</span>  private ConnectionManager 
connectionManager;<a name="line.95"></a>
+<span class="sourceLineNo">096</span>  private Listener listener = null;<a 
name="line.96"></a>
+<span class="sourceLineNo">097</span>  protected SimpleRpcServerResponder 
responder = null;<a name="line.97"></a>
+<span class="sourceLineNo">098</span><a name="line.98"></a>
+<span class="sourceLineNo">099</span>  /** Listens on the socket. Creates jobs 
for the handler threads*/<a name="line.99"></a>
+<span class="sourceLineNo">100</span>  private class Listener extends Thread 
{<a name="line.100"></a>
+<span class="sourceLineNo">101</span><a name="line.101"></a>
+<span class="sourceLineNo">102</span>    private ServerSocketChannel 
acceptChannel = null; //the accept channel<a name="line.102"></a>
+<span class="sourceLineNo">103</span>    private Selector selector = null; 
//the selector that we use for the server<a name="line.103"></a>
+<span class="sourceLineNo">104</span>    private Reader[] readers = null;<a 
name="line.104"></a>
+<span class="sourceLineNo">105</span>    private int currentReader = 0;<a 
name="line.105"></a>
+<span class="sourceLineNo">106</span>    private final int 
readerPendingConnectionQueueLength;<a name="line.106"></a>
+<span class="sourceLineNo">107</span><a name="line.107"></a>
+<span class="sourceLineNo">108</span>    private ExecutorService readPool;<a 
name="line.108"></a>
+<span class="sourceLineNo">109</span><a name="line.109"></a>
+<span class="sourceLineNo">110</span>    public Listener(final String name) 
throws IOException {<a name="line.110"></a>
+<span class="sourceLineNo">111</span>      super(name);<a name="line.111"></a>
+<span class="sourceLineNo">112</span>      // The backlog of requests that we 
will have the serversocket carry.<a name="line.112"></a>
+<span class="sourceLineNo">113</span>      int backlogLength = 
conf.getInt("hbase.ipc.server.listen.queue.size", 128);<a name="line.113"></a>
+<span class="sourceLineNo">114</span>      readerPendingConnectionQueueLength 
=<a name="line.114"></a>
+<span class="sourceLineNo">115</span>          
conf.getInt("hbase.ipc.server.read.connection-queue.size", 100);<a 
name="line.115"></a>
+<span class="sourceLineNo">116</span>      // Create a new server socket and 
set to non blocking mode<a name="line.116"></a>
+<span class="sourceLineNo">117</span>      acceptChannel = 
ServerSocketChannel.open();<a name="line.117"></a>
+<span class="sourceLineNo">118</span>      
acceptChannel.configureBlocking(false);<a name="line.118"></a>
+<span class="sourceLineNo">119</span><a name="line.119"></a>
+<span class="sourceLineNo">120</span>      // Bind the server socket to the 
binding addrees (can be different from the default interface)<a 
name="line.120"></a>
+<span class="sourceLineNo">121</span>      bind(acceptChannel.socket(), 
bindAddress, backlogLength);<a name="line.121"></a>
+<span class="sourceLineNo">122</span>      port = 
acceptChannel.socket().getLocalPort(); //Could be an ephemeral port<a 
name="line.122"></a>
+<span class="sourceLineNo">123</span>      address = 
(InetSocketAddress)acceptChannel.socket().getLocalSocketAddress();<a 
name="line.123"></a>
+<span class="sourceLineNo">124</span>      // create a selector;<a 
name="line.124"></a>
+<span class="sourceLineNo">125</span>      selector = Selector.open();<a 
name="line.125"></a>
+<span class="sourceLineNo">126</span><a name="line.126"></a>
+<span class="sourceLineNo">127</span>      readers = new 
Reader[readThreads];<a name="line.127"></a>
+<span class="sourceLineNo">128</span>      // Why this executor thing? Why not 
like hadoop just start up all the threads? I suppose it<a name="line.128"></a>
+<span class="sourceLineNo">129</span>      // has an advantage in that it is 
easy to shutdown the pool.<a name="line.129"></a>
+<span class="sourceLineNo">130</span>      readPool = 
Executors.newFixedThreadPool(readThreads,<a name="line.130"></a>
+<span class="sourceLineNo">131</span>        new 
ThreadFactoryBuilder().setNameFormat(<a name="line.131"></a>
+<span class="sourceLineNo">132</span>          "Reader=%d,bindAddress=" + 
bindAddress.getHostName() +<a name="line.132"></a>
+<span class="sourceLineNo">133</span>          ",port=" + 
port).setDaemon(true)<a name="line.133"></a>
+<span class="sourceLineNo">134</span>        
.setUncaughtExceptionHandler(Threads.LOGGING_EXCEPTION_HANDLER).build());<a 
name="line.134"></a>
+<span class="sourceLineNo">135</span>      for (int i = 0; i &lt; readThreads; 
++i) {<a name="line.135"></a>
+<span class="sourceLineNo">136</span>        Reader reader = new Reader();<a 
name="line.136"></a>
+<span class="sourceLineNo">137</span>        readers[i] = reader;<a 
name="line.137"></a>
+<span class="sourceLineNo">138</span>        readPool.execute(reader);<a 
name="line.138"></a>
+<span class="sourceLineNo">139</span>      }<a name="line.139"></a>
+<span class="sourceLineNo">140</span>      LOG.info(getName() + ": started " + 
readThreads + " reader(s) listening on port=" + port);<a name="line.140"></a>
+<span class="sourceLineNo">141</span><a name="line.141"></a>
+<span class="sourceLineNo">142</span>      // Register accepts on the server 
socket with the selector.<a name="line.142"></a>
+<span class="sourceLineNo">143</span>      acceptChannel.register(selector, 
SelectionKey.OP_ACCEPT);<a name="line.143"></a>
+<span class="sourceLineNo">144</span>      this.setName("Listener,port=" + 
port);<a name="line.144"></a>
+<span class="sourceLineNo">145</span>      this.setDaemon(true);<a 
name="line.145"></a>
+<span class="sourceLineNo">146</span>    }<a name="line.146"></a>
+<span class="sourceLineNo">147</span><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>    private class Reader implements 
Runnable {<a name="line.150"></a>
-<span class="sourceLineNo">151</span>      final private 
LinkedBlockingQueue&lt;SimpleServerRpcConnection&gt; pendingConnections;<a 
name="line.151"></a>
-<span class="sourceLineNo">152</span>      private final Selector 
readSelector;<a name="line.152"></a>
-<span class="sourceLineNo">153</span><a name="line.153"></a>
-<span class="sourceLineNo">154</span>      Reader() throws IOException {<a 
name="line.154"></a>
-<span class="sourceLineNo">155</span>        this.pendingConnections = new 
LinkedBlockingQueue&lt;&gt;(readerPendingConnectionQueueLength);<a 
name="line.155"></a>
-<span class="sourceLineNo">156</span>        this.readSelector = 
Selector.open();<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>      @Override<a name="line.159"></a>
-<span class="sourceLineNo">160</span>      public void run() {<a 
name="line.160"></a>
-<span class="sourceLineNo">161</span>        try {<a name="line.161"></a>
-<span class="sourceLineNo">162</span>          doRunLoop();<a 
name="line.162"></a>
-<span class="sourceLineNo">163</span>        } finally {<a name="line.163"></a>
-<span class="sourceLineNo">164</span>          try {<a name="line.164"></a>
-<span class="sourceLineNo">165</span>            readSelector.close();<a 
name="line.165"></a>
-<span class="sourceLineNo">166</span>          } catch (IOException ioe) {<a 
name="line.166"></a>
-<span class="sourceLineNo">167</span>            LOG.error(getName() + ": 
error closing read selector in " + getName(), ioe);<a name="line.167"></a>
-<span class="sourceLineNo">168</span>          }<a name="line.168"></a>
-<span class="sourceLineNo">169</span>        }<a name="line.169"></a>
-<span class="sourceLineNo">170</span>      }<a name="line.170"></a>
-<span class="sourceLineNo">171</span><a name="line.171"></a>
-<span class="sourceLineNo">172</span>      private synchronized void 
doRunLoop() {<a name="line.172"></a>
-<span class="sourceLineNo">173</span>        while (running) {<a 
name="line.173"></a>
-<span class="sourceLineNo">174</span>          try {<a name="line.174"></a>
-<span class="sourceLineNo">175</span>            // Consume as many 
connections as currently queued to avoid<a name="line.175"></a>
-<span class="sourceLineNo">176</span>            // unbridled acceptance of 
connections that starves the select<a name="line.176"></a>
-<span class="sourceLineNo">177</span>            int size = 
pendingConnections.size();<a name="line.177"></a>
-<span class="sourceLineNo">178</span>            for (int i=size; i&gt;0; i--) 
{<a name="line.178"></a>
-<span class="sourceLineNo">179</span>              SimpleServerRpcConnection 
conn = pendingConnections.take();<a name="line.179"></a>
-<span class="sourceLineNo">180</span>              
conn.channel.register(readSelector, SelectionKey.OP_READ, conn);<a 
name="line.180"></a>
-<span class="sourceLineNo">181</span>            }<a name="line.181"></a>
-<span class="sourceLineNo">182</span>            readSelector.select();<a 
name="line.182"></a>
-<span class="sourceLineNo">183</span>            Iterator&lt;SelectionKey&gt; 
iter = readSelector.selectedKeys().iterator();<a name="line.183"></a>
-<span class="sourceLineNo">184</span>            while (iter.hasNext()) {<a 
name="line.184"></a>
-<span class="sourceLineNo">185</span>              SelectionKey key = 
iter.next();<a name="line.185"></a>
-<span class="sourceLineNo">186</span>              iter.remove();<a 
name="line.186"></a>
-<span class="sourceLineNo">187</span>              if (key.isValid()) {<a 
name="line.187"></a>
-<span class="sourceLineNo">188</span>                if (key.isReadable()) {<a 
name="line.188"></a>
-<span class="sourceLineNo">189</span>                  doRead(key);<a 
name="line.189"></a>
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-<span class="sourceLineNo">192</span>              key = null;<a 
name="line.192"></a>
-<span class="sourceLineNo">193</span>            }<a name="line.193"></a>
-<span class="sourceLineNo">194</span>          } catch (InterruptedException 
e) {<a name="line.194"></a>
-<span class="sourceLineNo">195</span>            if (running) {                
      // unexpected -- log it<a name="line.195"></a>
-<span class="sourceLineNo">196</span>              
LOG.info(Thread.currentThread().getName() + " unexpectedly interrupted", e);<a 
name="line.196"></a>
-<span class="sourceLineNo">197</span>            }<a name="line.197"></a>
-<span class="sourceLineNo">198</span>          } catch (CancelledKeyException 
e) {<a name="line.198"></a>
-<span class="sourceLineNo">199</span>            LOG.error(getName() + ": 
CancelledKeyException in Reader", e);<a name="line.199"></a>
-<span class="sourceLineNo">200</span>          } catch (IOException ex) {<a 
name="line.200"></a>
-<span class="sourceLineNo">201</span>            LOG.info(getName() + ": 
IOException in Reader", ex);<a name="line.201"></a>
-<span class="sourceLineNo">202</span>          }<a name="line.202"></a>
-<span class="sourceLineNo">203</span>        }<a name="line.203"></a>
-<span class="sourceLineNo">204</span>      }<a name="line.204"></a>
-<span class="sourceLineNo">205</span><a name="line.205"></a>
-<span class="sourceLineNo">206</span>      /**<a name="line.206"></a>
-<span class="sourceLineNo">207</span>       * Updating the readSelector while 
it's being used is not thread-safe,<a name="line.207"></a>
-<span class="sourceLineNo">208</span>       * so the connection must be 
queued.  The reader will drain the queue<a name="line.208"></a>
-<span class="sourceLineNo">209</span>       * and update its readSelector 
before performing the next select<a name="line.209"></a>
-<span class="sourceLineNo">210</span>       */<a name="line.210"></a>
-<span class="sourceLineNo">211</span>      public void 
addConnection(SimpleServerRpcConnection conn) throws IOException {<a 
name="line.211"></a>
-<span class="sourceLineNo">212</span>        pendingConnections.add(conn);<a 
name="line.212"></a>
-<span class="sourceLineNo">213</span>        readSelector.wakeup();<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><a name="line.216"></a>
-<span class="sourceLineNo">217</span>    @Override<a name="line.217"></a>
-<span class="sourceLineNo">218</span>    
@edu.umd.cs.findbugs.annotations.SuppressWarnings(value="IS2_INCONSISTENT_SYNC",<a
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-<span class="sourceLineNo">219</span>      justification="selector access is 
not synchronized; seems fine but concerned changing " +<a name="line.219"></a>
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