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From git-site-r...@apache.org
Subject [40/51] [partial] hbase-site git commit: Published site at .
Date Thu, 28 Sep 2017 15:14:48 GMT
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/67deb422/apidocs/src-html/org/apache/hadoop/hbase/client/HTableMultiplexer.HTableMultiplexerStatus.html
----------------------------------------------------------------------
diff --git a/apidocs/src-html/org/apache/hadoop/hbase/client/HTableMultiplexer.HTableMultiplexerStatus.html b/apidocs/src-html/org/apache/hadoop/hbase/client/HTableMultiplexer.HTableMultiplexerStatus.html
index c9037ad..c4a4d8f 100644
--- a/apidocs/src-html/org/apache/hadoop/hbase/client/HTableMultiplexer.HTableMultiplexerStatus.html
+++ b/apidocs/src-html/org/apache/hadoop/hbase/client/HTableMultiplexer.HTableMultiplexerStatus.html
@@ -27,651 +27,650 @@
 <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 org.apache.hadoop.hbase.shaded.com.google.common.annotations.VisibleForTesting;<a name="line.22"></a>
-<span class="sourceLineNo">023</span>import org.apache.hadoop.hbase.shaded.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>
-<span class="sourceLineNo">031</span>import java.util.Map;<a name="line.31"></a>
-<span class="sourceLineNo">032</span>import java.util.concurrent.ConcurrentHashMap;<a name="line.32"></a>
-<span class="sourceLineNo">033</span>import java.util.concurrent.ExecutorService;<a name="line.33"></a>
-<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.yetus.audience.InterfaceAudience;<a name="line.50"></a>
-<span class="sourceLineNo">051</span>import org.apache.hadoop.hbase.ipc.RpcControllerFactory;<a name="line.51"></a>
-<span class="sourceLineNo">052</span>import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;<a name="line.52"></a>
-<span class="sourceLineNo">053</span><a name="line.53"></a>
-<span class="sourceLineNo">054</span>/**<a name="line.54"></a>
-<span class="sourceLineNo">055</span> * HTableMultiplexer provides a thread-safe non blocking PUT API across all the tables.<a name="line.55"></a>
-<span class="sourceLineNo">056</span> * Each put will be sharded into different buffer queues based on its destination region server.<a name="line.56"></a>
-<span class="sourceLineNo">057</span> * So each region server buffer queue will only have the puts which share the same destination.<a name="line.57"></a>
-<span class="sourceLineNo">058</span> * And each queue will have a flush worker thread to flush the puts request to the region server.<a name="line.58"></a>
-<span class="sourceLineNo">059</span> * If any queue is full, the HTableMultiplexer starts to drop the Put requests for that<a name="line.59"></a>
-<span class="sourceLineNo">060</span> * particular queue.<a name="line.60"></a>
-<span class="sourceLineNo">061</span> *<a name="line.61"></a>
-<span class="sourceLineNo">062</span> * Also all the puts will be retried as a configuration number before dropping.<a name="line.62"></a>
-<span class="sourceLineNo">063</span> * And the HTableMultiplexer can report the number of buffered requests and the number of the<a name="line.63"></a>
-<span class="sourceLineNo">064</span> * failed (dropped) requests in total or on per region server basis.<a name="line.64"></a>
-<span class="sourceLineNo">065</span> *<a name="line.65"></a>
-<span class="sourceLineNo">066</span> * This class is thread safe.<a name="line.66"></a>
-<span class="sourceLineNo">067</span> */<a name="line.67"></a>
-<span class="sourceLineNo">068</span>@InterfaceAudience.Public<a name="line.68"></a>
-<span class="sourceLineNo">069</span>public class HTableMultiplexer {<a name="line.69"></a>
-<span class="sourceLineNo">070</span>  private static final Log LOG = LogFactory.getLog(HTableMultiplexer.class.getName());<a name="line.70"></a>
-<span class="sourceLineNo">071</span><a name="line.71"></a>
-<span class="sourceLineNo">072</span>  public static final String TABLE_MULTIPLEXER_FLUSH_PERIOD_MS =<a name="line.72"></a>
-<span class="sourceLineNo">073</span>      "hbase.tablemultiplexer.flush.period.ms";<a name="line.73"></a>
-<span class="sourceLineNo">074</span>  public static final String TABLE_MULTIPLEXER_INIT_THREADS = "hbase.tablemultiplexer.init.threads";<a name="line.74"></a>
-<span class="sourceLineNo">075</span>  public static final String TABLE_MULTIPLEXER_MAX_RETRIES_IN_QUEUE =<a name="line.75"></a>
-<span class="sourceLineNo">076</span>      "hbase.client.max.retries.in.queue";<a name="line.76"></a>
-<span class="sourceLineNo">077</span><a name="line.77"></a>
-<span class="sourceLineNo">078</span>  /** The map between each region server to its flush worker */<a name="line.78"></a>
-<span class="sourceLineNo">079</span>  private final Map&lt;HRegionLocation, FlushWorker&gt; serverToFlushWorkerMap =<a name="line.79"></a>
-<span class="sourceLineNo">080</span>      new ConcurrentHashMap&lt;&gt;();<a name="line.80"></a>
-<span class="sourceLineNo">081</span><a name="line.81"></a>
-<span class="sourceLineNo">082</span>  private final Configuration workerConf;<a name="line.82"></a>
-<span class="sourceLineNo">083</span>  private final ClusterConnection conn;<a name="line.83"></a>
-<span class="sourceLineNo">084</span>  private final ExecutorService pool;<a name="line.84"></a>
-<span class="sourceLineNo">085</span>  private final int maxAttempts;<a name="line.85"></a>
-<span class="sourceLineNo">086</span>  private final int perRegionServerBufferQueueSize;<a name="line.86"></a>
-<span class="sourceLineNo">087</span>  private final int maxKeyValueSize;<a name="line.87"></a>
-<span class="sourceLineNo">088</span>  private final ScheduledExecutorService executor;<a name="line.88"></a>
-<span class="sourceLineNo">089</span>  private final long flushPeriod;<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>   * @param conf The HBaseConfiguration<a name="line.92"></a>
-<span class="sourceLineNo">093</span>   * @param perRegionServerBufferQueueSize determines the max number of the buffered Put ops for<a name="line.93"></a>
-<span class="sourceLineNo">094</span>   *          each region server before dropping the request.<a name="line.94"></a>
-<span class="sourceLineNo">095</span>   */<a name="line.95"></a>
-<span class="sourceLineNo">096</span>  public HTableMultiplexer(Configuration conf, int perRegionServerBufferQueueSize)<a name="line.96"></a>
-<span class="sourceLineNo">097</span>      throws IOException {<a name="line.97"></a>
-<span class="sourceLineNo">098</span>    this(ConnectionFactory.createConnection(conf), conf, perRegionServerBufferQueueSize);<a name="line.98"></a>
-<span class="sourceLineNo">099</span>  }<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>   * @param conn The HBase connection.<a name="line.102"></a>
-<span class="sourceLineNo">103</span>   * @param conf The HBase configuration<a name="line.103"></a>
-<span class="sourceLineNo">104</span>   * @param perRegionServerBufferQueueSize determines the max number of the buffered Put ops for<a name="line.104"></a>
-<span class="sourceLineNo">105</span>   *          each region server before dropping the request.<a name="line.105"></a>
-<span class="sourceLineNo">106</span>   */<a name="line.106"></a>
-<span class="sourceLineNo">107</span>  public HTableMultiplexer(Connection conn, Configuration conf,<a name="line.107"></a>
-<span class="sourceLineNo">108</span>      int perRegionServerBufferQueueSize) {<a name="line.108"></a>
-<span class="sourceLineNo">109</span>    this.conn = (ClusterConnection) conn;<a name="line.109"></a>
-<span class="sourceLineNo">110</span>    this.pool = HTable.getDefaultExecutor(conf);<a name="line.110"></a>
-<span class="sourceLineNo">111</span>    // how many times we could try in total, one more than retry number<a name="line.111"></a>
-<span class="sourceLineNo">112</span>    this.maxAttempts = conf.getInt(HConstants.HBASE_CLIENT_RETRIES_NUMBER,<a name="line.112"></a>
-<span class="sourceLineNo">113</span>        HConstants.DEFAULT_HBASE_CLIENT_RETRIES_NUMBER) + 1;<a name="line.113"></a>
-<span class="sourceLineNo">114</span>    this.perRegionServerBufferQueueSize = perRegionServerBufferQueueSize;<a name="line.114"></a>
-<span class="sourceLineNo">115</span>    this.maxKeyValueSize = HTable.getMaxKeyValueSize(conf);<a name="line.115"></a>
-<span class="sourceLineNo">116</span>    this.flushPeriod = conf.getLong(TABLE_MULTIPLEXER_FLUSH_PERIOD_MS, 100);<a name="line.116"></a>
-<span class="sourceLineNo">117</span>    int initThreads = conf.getInt(TABLE_MULTIPLEXER_INIT_THREADS, 10);<a name="line.117"></a>
-<span class="sourceLineNo">118</span>    this.executor =<a name="line.118"></a>
-<span class="sourceLineNo">119</span>        Executors.newScheduledThreadPool(initThreads,<a name="line.119"></a>
-<span class="sourceLineNo">120</span>          new ThreadFactoryBuilder().setDaemon(true).setNameFormat("HTableFlushWorker-%d").build());<a name="line.120"></a>
-<span class="sourceLineNo">121</span><a name="line.121"></a>
-<span class="sourceLineNo">122</span>    this.workerConf = HBaseConfiguration.create(conf);<a name="line.122"></a>
-<span class="sourceLineNo">123</span>    // We do not do the retry because we need to reassign puts to different queues if regions are<a name="line.123"></a>
-<span class="sourceLineNo">124</span>    // moved.<a name="line.124"></a>
-<span class="sourceLineNo">125</span>    this.workerConf.setInt(HConstants.HBASE_CLIENT_RETRIES_NUMBER, 0);<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>  /**<a name="line.128"></a>
-<span class="sourceLineNo">129</span>   * Closes the internal {@link Connection}. Does nothing if the {@link Connection} has already<a name="line.129"></a>
-<span class="sourceLineNo">130</span>   * been closed.<a name="line.130"></a>
-<span class="sourceLineNo">131</span>   * @throws IOException If there is an error closing the connection.<a name="line.131"></a>
-<span class="sourceLineNo">132</span>   */<a name="line.132"></a>
-<span class="sourceLineNo">133</span>  @SuppressWarnings("deprecation")<a name="line.133"></a>
-<span class="sourceLineNo">134</span>  public synchronized void close() throws IOException {<a name="line.134"></a>
-<span class="sourceLineNo">135</span>    if (!getConnection().isClosed()) {<a name="line.135"></a>
-<span class="sourceLineNo">136</span>      getConnection().close();<a name="line.136"></a>
-<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><a name="line.139"></a>
-<span class="sourceLineNo">140</span>  /**<a name="line.140"></a>
-<span class="sourceLineNo">141</span>   * The put request will be buffered by its corresponding buffer queue. Return false if the queue<a name="line.141"></a>
-<span class="sourceLineNo">142</span>   * is already full.<a name="line.142"></a>
-<span class="sourceLineNo">143</span>   * @param tableName<a name="line.143"></a>
-<span class="sourceLineNo">144</span>   * @param put<a name="line.144"></a>
-<span class="sourceLineNo">145</span>   * @return true if the request can be accepted by its corresponding buffer queue.<a name="line.145"></a>
-<span class="sourceLineNo">146</span>   */<a name="line.146"></a>
-<span class="sourceLineNo">147</span>  public boolean put(TableName tableName, final Put put) {<a name="line.147"></a>
-<span class="sourceLineNo">148</span>    return put(tableName, put, this.maxAttempts);<a name="line.148"></a>
-<span class="sourceLineNo">149</span>  }<a name="line.149"></a>
-<span class="sourceLineNo">150</span><a name="line.150"></a>
-<span class="sourceLineNo">151</span>  /**<a name="line.151"></a>
-<span class="sourceLineNo">152</span>   * The puts request will be buffered by their corresponding buffer queue.<a name="line.152"></a>
-<span class="sourceLineNo">153</span>   * Return the list of puts which could not be queued.<a name="line.153"></a>
-<span class="sourceLineNo">154</span>   * @param tableName<a name="line.154"></a>
-<span class="sourceLineNo">155</span>   * @param puts<a name="line.155"></a>
-<span class="sourceLineNo">156</span>   * @return the list of puts which could not be queued<a name="line.156"></a>
-<span class="sourceLineNo">157</span>   */<a name="line.157"></a>
-<span class="sourceLineNo">158</span>  public List&lt;Put&gt; put(TableName tableName, final List&lt;Put&gt; puts) {<a name="line.158"></a>
-<span class="sourceLineNo">159</span>    if (puts == null)<a name="line.159"></a>
-<span class="sourceLineNo">160</span>      return null;<a name="line.160"></a>
-<span class="sourceLineNo">161</span><a name="line.161"></a>
-<span class="sourceLineNo">162</span>    List &lt;Put&gt; failedPuts = null;<a name="line.162"></a>
-<span class="sourceLineNo">163</span>    boolean result;<a name="line.163"></a>
-<span class="sourceLineNo">164</span>    for (Put put : puts) {<a name="line.164"></a>
-<span class="sourceLineNo">165</span>      result = put(tableName, put, this.maxAttempts);<a name="line.165"></a>
-<span class="sourceLineNo">166</span>      if (result == false) {<a name="line.166"></a>
-<span class="sourceLineNo">167</span><a name="line.167"></a>
-<span class="sourceLineNo">168</span>        // Create the failed puts list if necessary<a name="line.168"></a>
-<span class="sourceLineNo">169</span>        if (failedPuts == null) {<a name="line.169"></a>
-<span class="sourceLineNo">170</span>          failedPuts = new ArrayList&lt;&gt;();<a name="line.170"></a>
-<span class="sourceLineNo">171</span>        }<a name="line.171"></a>
-<span class="sourceLineNo">172</span>        // Add the put to the failed puts list<a name="line.172"></a>
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-<span class="sourceLineNo">176</span>    return failedPuts;<a name="line.176"></a>
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-<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>   * @deprecated Use {@link #put(TableName, List) } instead.<a name="line.180"></a>
-<span class="sourceLineNo">181</span>   */<a name="line.181"></a>
-<span class="sourceLineNo">182</span>  @Deprecated<a name="line.182"></a>
-<span class="sourceLineNo">183</span>  public List&lt;Put&gt; put(byte[] tableName, final List&lt;Put&gt; puts) {<a name="line.183"></a>
-<span class="sourceLineNo">184</span>    return put(TableName.valueOf(tableName), puts);<a name="line.184"></a>
-<span class="sourceLineNo">185</span>  }<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>   * The put request will be buffered by its corresponding buffer queue. And the put request will be<a name="line.188"></a>
-<span class="sourceLineNo">189</span>   * retried before dropping the request.<a name="line.189"></a>
-<span class="sourceLineNo">190</span>   * Return false if the queue is already full.<a name="line.190"></a>
-<span class="sourceLineNo">191</span>   * @return true if the request can be accepted by its corresponding buffer queue.<a name="line.191"></a>
-<span class="sourceLineNo">192</span>   */<a name="line.192"></a>
-<span class="sourceLineNo">193</span>  public boolean put(final TableName tableName, final Put put, int maxAttempts) {<a name="line.193"></a>
-<span class="sourceLineNo">194</span>    if (maxAttempts &lt;= 0) {<a name="line.194"></a>
-<span class="sourceLineNo">195</span>      return false;<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>    try {<a name="line.198"></a>
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-<span class="sourceLineNo">200</span>      // Allow mocking to get at the connection, but don't expose the connection to users.<a name="line.200"></a>
-<span class="sourceLineNo">201</span>      ClusterConnection conn = (ClusterConnection) getConnection();<a name="line.201"></a>
-<span class="sourceLineNo">202</span>      // AsyncProcess in the FlushWorker should take care of refreshing the location cache<a name="line.202"></a>
-<span class="sourceLineNo">203</span>      // as necessary. We shouldn't have to do that here.<a name="line.203"></a>
-<span class="sourceLineNo">204</span>      HRegionLocation loc = conn.getRegionLocation(tableName, put.getRow(), false);<a name="line.204"></a>
-<span class="sourceLineNo">205</span>      if (loc != null) {<a name="line.205"></a>
-<span class="sourceLineNo">206</span>        // Add the put pair into its corresponding queue.<a name="line.206"></a>
-<span class="sourceLineNo">207</span>        LinkedBlockingQueue&lt;PutStatus&gt; queue = getQueue(loc);<a name="line.207"></a>
-<span class="sourceLineNo">208</span><a name="line.208"></a>
-<span class="sourceLineNo">209</span>        // Generate a MultiPutStatus object and offer it into the queue<a name="line.209"></a>
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-<span class="sourceLineNo">211</span><a name="line.211"></a>
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-<span class="sourceLineNo">220</span>  /**<a name="line.220"></a>
-<span class="sourceLineNo">221</span>   * @deprecated Use {@link #put(TableName, Put) } instead.<a name="line.221"></a>
-<span class="sourceLineNo">222</span>   */<a name="line.222"></a>
-<span class="sourceLineNo">223</span>  @Deprecated<a name="line.223"></a>
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-<span class="sourceLineNo">225</span>    return put(TableName.valueOf(tableName), put, retry);<a name="line.225"></a>
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-<span class="sourceLineNo">228</span>  /**<a name="line.228"></a>
-<span class="sourceLineNo">229</span>   * @deprecated Use {@link #put(TableName, Put)} instead.<a name="line.229"></a>
-<span class="sourceLineNo">230</span>   */<a name="line.230"></a>
-<span class="sourceLineNo">231</span>  @Deprecated<a name="line.231"></a>
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-<span class="sourceLineNo">233</span>    return put(TableName.valueOf(tableName), put);<a name="line.233"></a>
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-<span class="sourceLineNo">235</span><a name="line.235"></a>
-<span class="sourceLineNo">236</span>  /**<a name="line.236"></a>
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-<span class="sourceLineNo">238</span>   */<a name="line.238"></a>
-<span class="sourceLineNo">239</span>  public HTableMultiplexerStatus getHTableMultiplexerStatus() {<a name="line.239"></a>
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-<span class="sourceLineNo">243</span>  @VisibleForTesting<a name="line.243"></a>
-<span class="sourceLineNo">244</span>  LinkedBlockingQueue&lt;PutStatus&gt; getQueue(HRegionLocation addr) {<a name="line.244"></a>
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+<span class="sourceLineNo">089</span><a name="line.89"></a>
+<span class="sourceLineNo">090</span>  /**<a name="line.90"></a>
+<span class="sourceLineNo">091</span>   * @param conf The HBaseConfiguration<a name="line.91"></a>
+<span class="sourceLineNo">092</span>   * @param perRegionServerBufferQueueSize determines the max number of the buffered Put ops for<a name="line.92"></a>
+<span class="sourceLineNo">093</span>   *          each region server before dropping the request.<a name="line.93"></a>
+<span class="sourceLineNo">094</span>   */<a name="line.94"></a>
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+<span class="sourceLineNo">096</span>      throws IOException {<a name="line.96"></a>
+<span class="sourceLineNo">097</span>    this(ConnectionFactory.createConnection(conf), conf, perRegionServerBufferQueueSize);<a name="line.97"></a>
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+<span class="sourceLineNo">099</span><a name="line.99"></a>
+<span class="sourceLineNo">100</span>  /**<a name="line.100"></a>
+<span class="sourceLineNo">101</span>   * @param conn The HBase connection.<a name="line.101"></a>
+<span class="sourceLineNo">102</span>   * @param conf The HBase configuration<a name="line.102"></a>
+<span class="sourceLineNo">103</span>   * @param perRegionServerBufferQueueSize determines the max number of the buffered Put ops for<a name="line.103"></a>
+<span class="sourceLineNo">104</span>   *          each region server before dropping the request.<a name="line.104"></a>
+<span class="sourceLineNo">105</span>   */<a name="line.105"></a>
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+<span class="sourceLineNo">107</span>      int perRegionServerBufferQueueSize) {<a name="line.107"></a>
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+<span class="sourceLineNo">110</span>    // how many times we could try in total, one more than retry number<a name="line.110"></a>
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+<span class="sourceLineNo">112</span>        HConstants.DEFAULT_HBASE_CLIENT_RETRIES_NUMBER) + 1;<a name="line.112"></a>
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+<span class="sourceLineNo">114</span>    this.maxKeyValueSize = HTable.getMaxKeyValueSize(conf);<a name="line.114"></a>
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+<span class="sourceLineNo">118</span>        Executors.newScheduledThreadPool(initThreads,<a name="line.118"></a>
+<span class="sourceLineNo">119</span>          new ThreadFactoryBuilder().setDaemon(true).setNameFormat("HTableFlushWorker-%d").build());<a name="line.119"></a>
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+<span class="sourceLineNo">122</span>    // We do not do the retry because we need to reassign puts to different queues if regions are<a name="line.122"></a>
+<span class="sourceLineNo">123</span>    // moved.<a name="line.123"></a>
+<span class="sourceLineNo">124</span>    this.workerConf.setInt(HConstants.HBASE_CLIENT_RETRIES_NUMBER, 0);<a name="line.124"></a>
+<span class="sourceLineNo">125</span>  }<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>   * Closes the internal {@link Connection}. Does nothing if the {@link Connection} has already<a name="line.128"></a>
+<span class="sourceLineNo">129</span>   * been closed.<a name="line.129"></a>
+<span class="sourceLineNo">130</span>   * @throws IOException If there is an error closing the connection.<a name="line.130"></a>
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+<span class="sourceLineNo">132</span>  @SuppressWarnings("deprecation")<a name="line.132"></a>
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+<span class="sourceLineNo">138</span><a name="line.138"></a>
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+<span class="sourceLineNo">141</span>   * is already full.<a name="line.141"></a>
+<span class="sourceLineNo">142</span>   * @param tableName<a name="line.142"></a>
+<span class="sourceLineNo">143</span>   * @param put<a name="line.143"></a>
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+<span class="sourceLineNo">149</span><a name="line.149"></a>
+<span class="sourceLineNo">150</span>  /**<a name="line.150"></a>
+<span class="sourceLineNo">151</span>   * The puts request will be buffered by their corresponding buffer queue.<a name="line.151"></a>
+<span class="sourceLineNo">152</span>   * Return the list of puts which could not be queued.<a name="line.152"></a>
+<span class="sourceLineNo">153</span>   * @param tableName<a name="line.153"></a>
+<span class="sourceLineNo">154</span>   * @param puts<a name="line.154"></a>
+<span class="sourceLineNo">155</span>   * @return the list of puts which could not be queued<a name="line.155"></a>
+<span class="sourceLineNo">156</span>   */<a name="line.156"></a>
+<span class="sourceLineNo">157</span>  public List&lt;Put&gt; put(TableName tableName, final List&lt;Put&gt; puts) {<a name="line.157"></a>
+<span class="sourceLineNo">158</span>    if (puts == null)<a name="line.158"></a>
+<span class="sourceLineNo">159</span>      return null;<a name="line.159"></a>
+<span class="sourceLineNo">160</span><a name="line.160"></a>
+<span class="sourceLineNo">161</span>    List &lt;Put&gt; failedPuts = null;<a name="line.161"></a>
+<span class="sourceLineNo">162</span>    boolean result;<a name="line.162"></a>
+<span class="sourceLineNo">163</span>    for (Put put : puts) {<a name="line.163"></a>
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+<span class="sourceLineNo">165</span>      if (result == false) {<a name="line.165"></a>
+<span class="sourceLineNo">166</span><a name="line.166"></a>
+<span class="sourceLineNo">167</span>        // Create the failed puts list if necessary<a name="line.167"></a>
+<span class="sourceLineNo">168</span>        if (failedPuts == null) {<a name="line.168"></a>
+<span class="sourceLineNo">169</span>          failedPuts = new ArrayList&lt;&gt;();<a name="line.169"></a>
+<span class="sourceLineNo">170</span>        }<a name="line.170"></a>
+<span class="sourceLineNo">171</span>        // Add the put to the failed puts list<a name="line.171"></a>
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+<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>    return failedPuts;<a name="line.175"></a>
+<span class="sourceLineNo">176</span>  }<a name="line.176"></a>
+<span class="sourceLineNo">177</span><a name="line.177"></a>
+<span class="sourceLineNo">178</span>  /**<a name="line.178"></a>
+<span class="sourceLineNo">179</span>   * @deprecated Use {@link #put(TableName, List) } instead.<a name="line.179"></a>
+<span class="sourceLineNo">180</span>   */<a name="line.180"></a>
+<span class="sourceLineNo">181</span>  @Deprecated<a name="line.181"></a>
+<span class="sourceLineNo">182</span>  public List&lt;Put&gt; put(byte[] tableName, final List&lt;Put&gt; puts) {<a name="line.182"></a>
+<span class="sourceLineNo">183</span>    return put(TableName.valueOf(tableName), puts);<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>  /**<a name="line.186"></a>
+<span class="sourceLineNo">187</span>   * The put request will be buffered by its corresponding buffer queue. And the put request will be<a name="line.187"></a>
+<span class="sourceLineNo">188</span>   * retried before dropping the request.<a name="line.188"></a>
+<span class="sourceLineNo">189</span>   * Return false if the queue is already full.<a name="line.189"></a>
+<span class="sourceLineNo">190</span>   * @return true if the request can be accepted by its corresponding buffer queue.<a name="line.190"></a>
+<span class="sourceLineNo">191</span>   */<a name="line.191"></a>
+<span class="sourceLineNo">192</span>  public boolean put(final TableName tableName, final Put put, int maxAttempts) {<a name="line.192"></a>
+<span class="sourceLineNo">193</span>    if (maxAttempts &lt;= 0) {<a name="line.193"></a>
+<span class="sourceLineNo">194</span>      return false;<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>    try {<a name="line.197"></a>
+<span class="sourceLineNo">198</span>      HTable.validatePut(put, maxKeyValueSize);<a name="line.198"></a>
+<span class="sourceLineNo">199</span>      // Allow mocking to get at the connection, but don't expose the connection to users.<a name="line.199"></a>
+<span class="sourceLineNo">200</span>      ClusterConnection conn = (ClusterConnection) getConnection();<a name="line.200"></a>
+<span class="sourceLineNo">201</span>      // AsyncProcess in the FlushWorker should take care of refreshing the location cache<a name="line.201"></a>
+<span class="sourceLineNo">202</span>      // as necessary. We shouldn't have to do that here.<a name="line.202"></a>
+<span class="sourceLineNo">203</span>      HRegionLocation loc = conn.getRegionLocation(tableName, put.getRow(), false);<a name="line.203"></a>
+<span class="sourceLineNo">204</span>      if (loc != null) {<a name="line.204"></a>
+<span class="sourceLineNo">205</span>        // Add the put pair into its corresponding queue.<a name="line.205"></a>
+<span class="sourceLineNo">206</span>        LinkedBlockingQueue&lt;PutStatus&gt; queue = getQueue(loc);<a name="line.206"></a>
+<span class="sourceLineNo">207</span><a name="line.207"></a>
+<span class="sourceLineNo">208</span>        // Generate a MultiPutStatus object and offer it into the queue<a name="line.208"></a>
+<span class="sourceLineNo">209</span>        PutStatus s = new PutStatus(loc.getRegion(), put, maxAttempts);<a name="line.209"></a>
+<span class="sourceLineNo">210</span><a name="line.210"></a>
+<span class="sourceLineNo">211</span>        return queue.offer(s);<a name="line.211"></a>
+<span class="sourceLineNo">212</span>      }<a name="line.212"></a>
+<span class="sourceLineNo">213</span>    } catch (IOException e) {<a name="line.213"></a>
+<span class="sourceLineNo">214</span>      LOG.debug("Cannot process the put " + put, e);<a name="line.214"></a>
+<span class="sourceLineNo">215</span>    }<a name="line.215"></a>
+<span class="sourceLineNo">216</span>    return false;<a name="line.216"></a>
+<span class="sourceLineNo">217</span>  }<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>
+<span class="sourceLineNo">220</span>   * @deprecated Use {@link #put(TableName, Put) } instead.<a name="line.220"></a>
+<span class="sourceLineNo">221</span>   */<a name="line.221"></a>
+<span class="sourceLineNo">222</span>  @Deprecated<a name="line.222"></a>
+<span class="sourceLineNo">223</span>  public boolean put(final byte[] tableName, final Put put, int retry) {<a name="line.223"></a>
+<span class="sourceLineNo">224</span>    return put(TableName.valueOf(tableName), put, retry);<a name="line.224"></a>
+<span class="sourceLineNo">225</span>  }<a name="line.225"></a>
+<span class="sourceLineNo">226</span><a name="line.226"></a>
+<span class="sourceLineNo">227</span>  /**<a name="line.227"></a>
+<span class="sourceLineNo">228</span>   * @deprecated Use {@link #put(TableName, Put)} instead.<a name="line.228"></a>
+<span class="sourceLineNo">229</span>   */<a name="line.229"></a>
+<span class="sourceLineNo">230</span>  @Deprecated<a name="line.230"></a>
+<span class="sourceLineNo">231</span>  public boolean put(final byte[] tableName, Put put) {<a name="line.231"></a>
+<span class="sourceLineNo">232</span>    return put(TableName.valueOf(tableName), put);<a name="line.232"></a>
+<span class="sourceLineNo">233</span>  }<a name="line.233"></a>
+<span class="sourceLineNo">234</span><a name="line.234"></a>
+<span class="sourceLineNo">235</span>  /**<a name="line.235"></a>
+<span class="sourceLineNo">236</span>   * @return the current HTableMultiplexerStatus<a name="line.236"></a>
+<span class="sourceLineNo">237</span>   */<a name="line.237"></a>
+<span class="sourceLineNo">238</span>  public HTableMultiplexerStatus getHTableMultiplexerStatus() {<a name="line.238"></a>
+<span class="sourceLineNo">239</span>    return new HTableMultiplexerStatus(serverToFlushWorkerMap);<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>  @VisibleForTesting<a name="line.242"></a>
+<span class="sourceLineNo">243</span>  LinkedBlockingQueue&lt;PutStatus&gt; getQueue(HRegionLocation addr) {<a name="line.243"></a>
+<span class="sourceLineNo">244</span>    FlushWorker worker = serverToFlushWorkerMap.get(addr);<a name="line.244"></a>
+<span class="sourceLineNo">245</span>    if (worker == null) {<a name="line.245"></a>
+<span class="sourceLineNo">246</span>      synchronized (this.serverToFlushWorkerMap) {<a name="line.246"></a>
+<span class="sourceLineNo">247</span>        worker = serverToFlushWorkerMap.get(addr);<a name="line.247"></a>
+<span class="sourceLineNo">248</span>        if (worker == null) {<a name="line.248"></a>
+<span class="sourceLineNo">249</span>          // Create the flush worker<a name="line.249"></a>
+<span class="sourceLineNo">250</span>          worker = new FlushWorker(workerConf, this.conn, addr, this,<a name="line.250"></a>
+<span class="sourceLineNo">251</span>              perRegionServerBufferQueueSize, pool, executor);<a name="line.251"></a>
+<span class="sourceLineNo">252</span>          this.serverToFlushWorkerMap.put(addr, worker);<a name="line.252"></a>
+<span class="sourceLineNo">253</span>          executor.scheduleAtFixedRate(worker, flushPeriod, flushPeriod, TimeUnit.MILLISECONDS);<a name="line.253"></a>
+<span class="sourceLineNo">254</span>        }<a name="line.254"></a>
+<span class="sourceLineNo">255</span>      }<a name="line.255"></a>
+<span class="sourceLineNo">256</span>    }<a name="line.256"></a>
+<span class="sourceLineNo">257</span>    return worker.getQueue();<a name="line.257"></a>
+<span class="sourceLineNo">258</span>  }<a name="line.258"></a>
+<span class="sourceLineNo">259</span><a name="line.259"></a>
+<span class="sourceLineNo">260</span>  @VisibleForTesting<a name="line.260"></a>
+<span class="sourceLineNo">261</span>  ClusterConnection getConnection() {<a name="line.261"></a>
+<span class="sourceLineNo">262</span>    return this.conn;<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>   * HTableMultiplexerStatus keeps track of the current status of the HTableMultiplexer.<a name="line.266"></a>
+<span class="sourceLineNo">267</span>   * report the number of buffered requests and the number of the failed (dropped) requests<a name="line.267"></a>
+<span class="sourceLineNo">268</span>   * in total or on per region server basis.<a name="line.268"></a>
+<span class="sourceLineNo">269</span>   */<a name="line.269"></a>
+<span class="sourceLineNo">270</span>  @InterfaceAudience.Public<a name="line.270"></a>
+<span class="sourceLineNo">271</span>  public static class HTableMultiplexerStatus {<a name="line.271"></a>
+<span class="sourceLineNo">272</span>    private long totalFailedPutCounter;<a name="line.272"></a>
+<span class="sourceLineNo">273</span>    private long totalBufferedPutCounter;<a name="line.273"></a>
+<span class="sourceLineNo">274</span>    private long maxLatency;<a name="line.274"></a>
+<span class="sourceLineNo">275</span>    private long overallAverageLatency;<a name="line.275"></a>
+<span class="sourceLineNo">276</span>    private Map&lt;String, Long&gt; serverToFailedCounterMap;<a name="line.276"></a>
+<span class="sourceLineNo">277</span>    private Map&lt;String, Long&gt; serverToBufferedCounterMap;<a name="line.277"></a>
+<span class="sourceLineNo">278</span>    private Map&lt;String, Long&gt; serverToAverageLatencyMap;<a name="line.278"></a>
+<span class="sourceLineNo">279</span>    private Map&lt;String, Long&gt; serverToMaxLatencyMap;<a name="line.279"></a>
+<span class="sourceLineNo">280</span><a name="line.280"></a>
+<span class="sourceLineNo">281</span>    public HTableMultiplexerStatus(<a name="line.281"></a>
+<span class="sourceLineNo">282</span>        Map&lt;HRegionLocation, FlushWorker&gt; serverToFlushWorkerMap) {<

<TRUNCATED>

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