[19/39] hbase-site git commit: Published site at 62fe3659349800b0fcbfcafd140ae6a3f57c5804.

git-site-role Sat, 03 Nov 2018 07:53:58 -0700

http://git-wip-us.apache.org/repos/asf/hbase-site/blob/1f43e8de/devapidocs/src-html/org/apache/hadoop/hbase/util/IdLock.Entry.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/util/IdLock.Entry.html 
b/devapidocs/src-html/org/apache/hadoop/hbase/util/IdLock.Entry.html
index 5131a2c..c4e9f3e 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/util/IdLock.Entry.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/util/IdLock.Entry.html
@@ -31,189 +31,216 @@
 <span class="sourceLineNo">023</span>import 
java.util.concurrent.ConcurrentMap;<a name="line.23"></a>
 <span class="sourceLineNo">024</span><a name="line.24"></a>
 <span class="sourceLineNo">025</span>import 
org.apache.yetus.audience.InterfaceAudience;<a name="line.25"></a>
-<span class="sourceLineNo">026</span><a name="line.26"></a>
-<span class="sourceLineNo">027</span>import 
org.apache.hbase.thirdparty.com.google.common.annotations.VisibleForTesting;<a 
name="line.27"></a>
-<span class="sourceLineNo">028</span>import 
org.apache.hbase.thirdparty.com.google.common.base.Preconditions;<a 
name="line.28"></a>
-<span class="sourceLineNo">029</span><a name="line.29"></a>
-<span class="sourceLineNo">030</span>/**<a name="line.30"></a>
-<span class="sourceLineNo">031</span> * Allows multiple concurrent clients to 
lock on a numeric id with a minimal<a name="line.31"></a>
-<span class="sourceLineNo">032</span> * memory overhead. The intended usage is 
as follows:<a name="line.32"></a>
-<span class="sourceLineNo">033</span> *<a name="line.33"></a>
-<span class="sourceLineNo">034</span> * &lt;pre&gt;<a name="line.34"></a>
-<span class="sourceLineNo">035</span> * IdLock.Entry lockEntry = 
idLock.getLockEntry(id);<a name="line.35"></a>
-<span class="sourceLineNo">036</span> * try {<a name="line.36"></a>
-<span class="sourceLineNo">037</span> *   // User code.<a name="line.37"></a>
-<span class="sourceLineNo">038</span> * } finally {<a name="line.38"></a>
-<span class="sourceLineNo">039</span> *   
idLock.releaseLockEntry(lockEntry);<a name="line.39"></a>
-<span class="sourceLineNo">040</span> * }&lt;/pre&gt;<a name="line.40"></a>
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-<span class="sourceLineNo">044</span><a name="line.44"></a>
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a lock object */<a name="line.45"></a>
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+ numWaiters + ", isLocked="<a name="line.57"></a>
-<span class="sourceLineNo">058</span>          + locked;<a name="line.58"></a>
+<span class="sourceLineNo">026</span>import org.slf4j.Logger;<a 
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+<span class="sourceLineNo">027</span>import org.slf4j.LoggerFactory;<a 
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+<span class="sourceLineNo">028</span><a name="line.28"></a>
+<span class="sourceLineNo">029</span>import 
org.apache.hbase.thirdparty.com.google.common.annotations.VisibleForTesting;<a 
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+<span class="sourceLineNo">030</span>import 
org.apache.hbase.thirdparty.com.google.common.base.Preconditions;<a 
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+<span class="sourceLineNo">031</span><a name="line.31"></a>
+<span class="sourceLineNo">032</span>/**<a name="line.32"></a>
+<span class="sourceLineNo">033</span> * Allows multiple concurrent clients to 
lock on a numeric id with a minimal<a name="line.33"></a>
+<span class="sourceLineNo">034</span> * memory overhead. The intended usage is 
as follows:<a name="line.34"></a>
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+<span class="sourceLineNo">036</span> * &lt;pre&gt;<a name="line.36"></a>
+<span class="sourceLineNo">037</span> * IdLock.Entry lockEntry = 
idLock.getLockEntry(id);<a name="line.37"></a>
+<span class="sourceLineNo">038</span> * try {<a name="line.38"></a>
+<span class="sourceLineNo">039</span> *   // User code.<a name="line.39"></a>
+<span class="sourceLineNo">040</span> * } finally {<a name="line.40"></a>
+<span class="sourceLineNo">041</span> *   
idLock.releaseLockEntry(lockEntry);<a name="line.41"></a>
+<span class="sourceLineNo">042</span> * }&lt;/pre&gt;<a name="line.42"></a>
+<span class="sourceLineNo">043</span> */<a name="line.43"></a>
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+<span class="sourceLineNo">045</span>public class IdLock {<a 
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LoggerFactory.getLogger(IdLock.class);<a name="line.47"></a>
+<span class="sourceLineNo">048</span><a name="line.48"></a>
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-<span class="sourceLineNo">067</span>   * @param id an arbitrary number to 
lock on<a name="line.67"></a>
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-<span class="sourceLineNo">084</span>              // HBASE-21292<a 
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-<span class="sourceLineNo">085</span>              // There is a rare case 
that interrupting and the lock owner thread call<a name="line.85"></a>
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same time. Since the owner thread found there<a name="line.86"></a>
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won't remove the entry from the map. If the interrupted<a name="line.87"></a>
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waiting on the lock, and since an exception is thrown,<a name="line.88"></a>
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will stay in the map forever. Later threads which try to<a name="line.89"></a>
-<span class="sourceLineNo">090</span>              // get this lock will stuck 
in a infinite loop because<a name="line.90"></a>
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map.putIfAbsent(entry.id, entry)) != null and existing.locked=false.<a 
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map.remove(existing.id);<a name="line.93"></a>
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entry.<a name="line.106"></a>
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-<span class="sourceLineNo">124</span>    Entry existing;<a name="line.124"></a>
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Entry&gt; map = new ConcurrentHashMap&lt;&gt;();<a name="line.68"></a>
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throws IOException {<a name="line.78"></a>
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Thread.currentThread();<a name="line.79"></a>
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+<span class="sourceLineNo">092</span>              // There is a rare case 
that interrupting and the lock owner thread call<a name="line.92"></a>
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same time. Since the owner thread found there<a name="line.93"></a>
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won't remove the entry from the map. If the interrupted<a name="line.94"></a>
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waiting on the lock, and since an exception is thrown,<a name="line.95"></a>
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will stay in the map forever. Later threads which try to<a name="line.96"></a>
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in a infinite loop because<a name="line.97"></a>
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map.putIfAbsent(entry.id, entry)) != null and existing.locked=false.<a 
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&amp;&amp; existing.numWaiters == 0) {<a name="line.99"></a>
+<span class="sourceLineNo">100</span>                
map.remove(existing.id);<a name="line.100"></a>
+<span class="sourceLineNo">101</span>              }<a name="line.101"></a>
+<span class="sourceLineNo">102</span>              throw new 
InterruptedIOException(<a name="line.102"></a>
+<span class="sourceLineNo">103</span>                  "Interrupted waiting to 
acquire sparse lock");<a name="line.103"></a>
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+<span class="sourceLineNo">105</span>          }<a name="line.105"></a>
+<span class="sourceLineNo">106</span><a name="line.106"></a>
+<span class="sourceLineNo">107</span>          --existing.numWaiters;  // 
Remove ourselves from waiters.<a name="line.107"></a>
+<span class="sourceLineNo">108</span>          existing.locked = true;<a 
name="line.108"></a>
+<span class="sourceLineNo">109</span>          existing.holder = 
currentThread;<a name="line.109"></a>
+<span class="sourceLineNo">110</span>          return existing;<a 
name="line.110"></a>
+<span class="sourceLineNo">111</span>        }<a name="line.111"></a>
+<span class="sourceLineNo">112</span>        // If the entry is not locked, it 
might already be deleted from the<a name="line.112"></a>
+<span class="sourceLineNo">113</span>        // map, so we cannot return it. 
We need to get our entry into the map<a name="line.113"></a>
+<span class="sourceLineNo">114</span>        // or get someone else's locked 
entry.<a name="line.114"></a>
+<span class="sourceLineNo">115</span>      }<a name="line.115"></a>
+<span class="sourceLineNo">116</span>    }<a name="line.116"></a>
+<span class="sourceLineNo">117</span>    return entry;<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>  /**<a name="line.120"></a>
+<span class="sourceLineNo">121</span>   * Blocks until the lock corresponding 
to the given id is acquired.<a name="line.121"></a>
+<span class="sourceLineNo">122</span>   *<a name="line.122"></a>
+<span class="sourceLineNo">123</span>   * @param id an arbitrary number to 
lock on<a name="line.123"></a>
+<span class="sourceLineNo">124</span>   * @param time time to wait in ms<a 
name="line.124"></a>
+<span class="sourceLineNo">125</span>   * @return an "entry" to pass to {@link 
#releaseLockEntry(Entry)} to release<a name="line.125"></a>
+<span class="sourceLineNo">126</span>   *         the lock<a 
name="line.126"></a>
+<span class="sourceLineNo">127</span>   * @throws IOException if interrupted<a 
name="line.127"></a>
+<span class="sourceLineNo">128</span>   */<a name="line.128"></a>
+<span class="sourceLineNo">129</span>  public Entry tryLockEntry(long id, long 
time) throws IOException {<a name="line.129"></a>
+<span class="sourceLineNo">130</span>    Preconditions.checkArgument(time 
&gt;= 0);<a name="line.130"></a>
+<span class="sourceLineNo">131</span>    Thread currentThread = 
Thread.currentThread();<a name="line.131"></a>
+<span class="sourceLineNo">132</span>    Entry entry = new Entry(id, 
currentThread);<a name="line.132"></a>
+<span class="sourceLineNo">133</span>    Entry existing;<a name="line.133"></a>
+<span class="sourceLineNo">134</span>    long waitUtilTS = 
System.currentTimeMillis() + time;<a name="line.134"></a>
+<span class="sourceLineNo">135</span>    long remaining = time;<a 
name="line.135"></a>
+<span class="sourceLineNo">136</span>    while ((existing = 
map.putIfAbsent(entry.id, entry)) != null) {<a name="line.136"></a>
+<span class="sourceLineNo">137</span>      synchronized (existing) {<a 
name="line.137"></a>
+<span class="sourceLineNo">138</span>        if (existing.locked) {<a 
name="line.138"></a>
+<span class="sourceLineNo">139</span>          ++existing.numWaiters;  // Add 
ourselves to waiters.<a name="line.139"></a>
+<span class="sourceLineNo">140</span>          try {<a name="line.140"></a>
+<span class="sourceLineNo">141</span>            while (existing.locked) {<a 
name="line.141"></a>
+<span class="sourceLineNo">142</span>              existing.wait(remaining);<a 
name="line.142"></a>
+<span class="sourceLineNo">143</span>              if (existing.locked) {<a 
name="line.143"></a>
+<span class="sourceLineNo">144</span>                long currentTS = 
System.currentTimeMillis();<a name="line.144"></a>
+<span class="sourceLineNo">145</span>                if (currentTS &gt;= 
waitUtilTS) {<a name="line.145"></a>
+<span class="sourceLineNo">146</span>                  // time is up<a 
name="line.146"></a>
+<span class="sourceLineNo">147</span>                  return null;<a 
name="line.147"></a>
+<span class="sourceLineNo">148</span>                } else {<a 
name="line.148"></a>
+<span class="sourceLineNo">149</span>                  // our wait is waken, 
but the lock is still taken, this can happen<a name="line.149"></a>
+<span class="sourceLineNo">150</span>                  // due to JDK Object's 
wait/notify mechanism.<a name="line.150"></a>
+<span class="sourceLineNo">151</span>                  // Calculate the new 
remaining time to wait<a name="line.151"></a>
+<span class="sourceLineNo">152</span>                  remaining = waitUtilTS 
- currentTS;<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><a name="line.155"></a>
+<span class="sourceLineNo">156</span>            }<a name="line.156"></a>
+<span class="sourceLineNo">157</span>          } catch (InterruptedException 
e) {<a name="line.157"></a>
+<span class="sourceLineNo">158</span>            // HBASE-21292<a 
name="line.158"></a>
+<span class="sourceLineNo">159</span>            // Please refer to the 
comments in getLockEntry()<a name="line.159"></a>
+<span class="sourceLineNo">160</span>            // the difference here is 
that we decrease numWaiters in finally block<a name="line.160"></a>
+<span class="sourceLineNo">161</span>            if (!existing.locked 
&amp;&amp; existing.numWaiters == 1) {<a name="line.161"></a>
+<span class="sourceLineNo">162</span>              map.remove(existing.id);<a 
name="line.162"></a>
+<span class="sourceLineNo">163</span>            }<a name="line.163"></a>
+<span class="sourceLineNo">164</span>            throw new 
InterruptedIOException(<a name="line.164"></a>
+<span class="sourceLineNo">165</span>                "Interrupted waiting to 
acquire sparse lock");<a name="line.165"></a>
+<span class="sourceLineNo">166</span>          } finally {<a 
name="line.166"></a>
+<span class="sourceLineNo">167</span>            --existing.numWaiters;  // 
Remove ourselves from waiters.<a name="line.167"></a>
+<span class="sourceLineNo">168</span>          }<a name="line.168"></a>
+<span class="sourceLineNo">169</span>          existing.locked = true;<a 
name="line.169"></a>
+<span class="sourceLineNo">170</span>          existing.holder = 
currentThread;<a name="line.170"></a>
+<span class="sourceLineNo">171</span>          return existing;<a 
name="line.171"></a>
+<span class="sourceLineNo">172</span>        }<a name="line.172"></a>
+<span class="sourceLineNo">173</span>        // If the entry is not locked, it 
might already be deleted from the<a name="line.173"></a>
+<span class="sourceLineNo">174</span>        // map, so we cannot return it. 
We need to get our entry into the map<a name="line.174"></a>
+<span class="sourceLineNo">175</span>        // or get someone else's locked 
entry.<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>    return entry;<a name="line.178"></a>
+<span class="sourceLineNo">179</span>  }<a name="line.179"></a>
+<span class="sourceLineNo">180</span><a name="line.180"></a>
+<span class="sourceLineNo">181</span>  /**<a name="line.181"></a>
+<span class="sourceLineNo">182</span>   * Must be called in a finally block to 
decrease the internal counter and remove the monitor<a name="line.182"></a>
+<span class="sourceLineNo">183</span>   * object for the given id if the 
caller is the last client.<a name="line.183"></a>
+<span class="sourceLineNo">184</span>   * @param entry the return value of 
{@link #getLockEntry(long)}<a name="line.184"></a>
+<span class="sourceLineNo">185</span>   */<a name="line.185"></a>
+<span class="sourceLineNo">186</span>  public void releaseLockEntry(Entry 
entry) {<a name="line.186"></a>
+<span class="sourceLineNo">187</span>    Thread currentThread = 
Thread.currentThread();<a name="line.187"></a>
+<span class="sourceLineNo">188</span>    synchronized (entry) {<a 
name="line.188"></a>
+<span class="sourceLineNo">189</span>      if (entry.holder != currentThread) 
{<a name="line.189"></a>
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lock entry {}, but it is not the holder.", currentThread,<a name="line.190"></a>
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+<span class="sourceLineNo">192</span>      }<a name="line.192"></a>
+<span class="sourceLineNo">193</span>      entry.locked = false;<a 
name="line.193"></a>
+<span class="sourceLineNo">194</span>      if (entry.numWaiters &gt; 0) {<a 
name="line.194"></a>
+<span class="sourceLineNo">195</span>        entry.notify();<a 
name="line.195"></a>
+<span class="sourceLineNo">196</span>      } else {<a name="line.196"></a>
+<span class="sourceLineNo">197</span>        map.remove(entry.id);<a 
name="line.197"></a>
+<span class="sourceLineNo">198</span>      }<a name="line.198"></a>
+<span class="sourceLineNo">199</span>    }<a name="line.199"></a>
+<span class="sourceLineNo">200</span>  }<a name="line.200"></a>
+<span class="sourceLineNo">201</span><a name="line.201"></a>
+<span class="sourceLineNo">202</span>  /**<a name="line.202"></a>
+<span class="sourceLineNo">203</span>   * Test whether the given id is already 
locked by the current thread.<a name="line.203"></a>
+<span class="sourceLineNo">204</span>   */<a name="line.204"></a>
+<span class="sourceLineNo">205</span>  public boolean 
isHeldByCurrentThread(long id) {<a name="line.205"></a>
+<span class="sourceLineNo">206</span>    Thread currentThread = 
Thread.currentThread();<a name="line.206"></a>
+<span class="sourceLineNo">207</span>    Entry entry = map.get(id);<a 
name="line.207"></a>
+<span class="sourceLineNo">208</span>    if (entry == null) {<a 
name="line.208"></a>
+<span class="sourceLineNo">209</span>      return false;<a name="line.209"></a>
+<span class="sourceLineNo">210</span>    }<a name="line.210"></a>
+<span class="sourceLineNo">211</span>    synchronized (entry) {<a 
name="line.211"></a>
+<span class="sourceLineNo">212</span>      return 
currentThread.equals(entry.holder);<a name="line.212"></a>
+<span class="sourceLineNo">213</span>    }<a name="line.213"></a>
+<span class="sourceLineNo">214</span>  }<a name="line.214"></a>
+<span class="sourceLineNo">215</span><a name="line.215"></a>
+<span class="sourceLineNo">216</span>  @VisibleForTesting<a 
name="line.216"></a>
+<span class="sourceLineNo">217</span>  void assertMapEmpty() {<a 
name="line.217"></a>
+<span class="sourceLineNo">218</span>    assert map.isEmpty();<a 
name="line.218"></a>
+<span class="sourceLineNo">219</span>  }<a name="line.219"></a>
+<span class="sourceLineNo">220</span><a name="line.220"></a>
+<span class="sourceLineNo">221</span>  @VisibleForTesting<a 
name="line.221"></a>
+<span class="sourceLineNo">222</span>  public void waitForWaiters(long id, int 
numWaiters) throws InterruptedException {<a name="line.222"></a>
+<span class="sourceLineNo">223</span>    for (Entry entry;;) {<a 
name="line.223"></a>
+<span class="sourceLineNo">224</span>      entry = map.get(id);<a 
name="line.224"></a>
+<span class="sourceLineNo">225</span>      if (entry != null) {<a 
name="line.225"></a>
+<span class="sourceLineNo">226</span>        synchronized (entry) {<a 
name="line.226"></a>
+<span class="sourceLineNo">227</span>          if (entry.numWaiters &gt;= 
numWaiters) {<a name="line.227"></a>
+<span class="sourceLineNo">228</span>            return;<a name="line.228"></a>
+<span class="sourceLineNo">229</span>          }<a name="line.229"></a>
+<span class="sourceLineNo">230</span>        }<a name="line.230"></a>
+<span class="sourceLineNo">231</span>      }<a name="line.231"></a>
+<span class="sourceLineNo">232</span>      Thread.sleep(100);<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>


http://git-wip-us.apache.org/repos/asf/hbase-site/blob/1f43e8de/devapidocs/src-html/org/apache/hadoop/hbase/util/IdLock.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/util/IdLock.html 
b/devapidocs/src-html/org/apache/hadoop/hbase/util/IdLock.html
index 5131a2c..c4e9f3e 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/util/IdLock.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/util/IdLock.html
@@ -31,189 +31,216 @@
 <span class="sourceLineNo">023</span>import 
java.util.concurrent.ConcurrentMap;<a name="line.23"></a>
 <span class="sourceLineNo">024</span><a name="line.24"></a>
 <span class="sourceLineNo">025</span>import 
org.apache.yetus.audience.InterfaceAudience;<a name="line.25"></a>
-<span class="sourceLineNo">026</span><a name="line.26"></a>
-<span class="sourceLineNo">027</span>import 
org.apache.hbase.thirdparty.com.google.common.annotations.VisibleForTesting;<a 
name="line.27"></a>
-<span class="sourceLineNo">028</span>import 
org.apache.hbase.thirdparty.com.google.common.base.Preconditions;<a 
name="line.28"></a>
-<span class="sourceLineNo">029</span><a name="line.29"></a>
-<span class="sourceLineNo">030</span>/**<a name="line.30"></a>
-<span class="sourceLineNo">031</span> * Allows multiple concurrent clients to 
lock on a numeric id with a minimal<a name="line.31"></a>
-<span class="sourceLineNo">032</span> * memory overhead. The intended usage is 
as follows:<a name="line.32"></a>
-<span class="sourceLineNo">033</span> *<a name="line.33"></a>
-<span class="sourceLineNo">034</span> * &lt;pre&gt;<a name="line.34"></a>
-<span class="sourceLineNo">035</span> * IdLock.Entry lockEntry = 
idLock.getLockEntry(id);<a name="line.35"></a>
-<span class="sourceLineNo">036</span> * try {<a name="line.36"></a>
-<span class="sourceLineNo">037</span> *   // User code.<a name="line.37"></a>
-<span class="sourceLineNo">038</span> * } finally {<a name="line.38"></a>
-<span class="sourceLineNo">039</span> *   
idLock.releaseLockEntry(lockEntry);<a name="line.39"></a>
-<span class="sourceLineNo">040</span> * }&lt;/pre&gt;<a name="line.40"></a>
-<span class="sourceLineNo">041</span> */<a name="line.41"></a>
-<span class="sourceLineNo">042</span>@InterfaceAudience.Private<a 
name="line.42"></a>
-<span class="sourceLineNo">043</span>public class IdLock {<a 
name="line.43"></a>
-<span class="sourceLineNo">044</span><a name="line.44"></a>
-<span class="sourceLineNo">045</span>  /** An entry returned to the client as 
a lock object */<a name="line.45"></a>
-<span class="sourceLineNo">046</span>  public static final class Entry {<a 
name="line.46"></a>
-<span class="sourceLineNo">047</span>    private final long id;<a 
name="line.47"></a>
-<span class="sourceLineNo">048</span>    private int numWaiters;<a 
name="line.48"></a>
-<span class="sourceLineNo">049</span>    private boolean locked = true;<a 
name="line.49"></a>
-<span class="sourceLineNo">050</span><a name="line.50"></a>
-<span class="sourceLineNo">051</span>    private Entry(long id) {<a 
name="line.51"></a>
-<span class="sourceLineNo">052</span>      this.id = id;<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>    @Override<a name="line.55"></a>
-<span class="sourceLineNo">056</span>    public String toString() {<a 
name="line.56"></a>
-<span class="sourceLineNo">057</span>      return "id=" + id + ", numWaiter=" 
+ numWaiters + ", isLocked="<a name="line.57"></a>
-<span class="sourceLineNo">058</span>          + locked;<a name="line.58"></a>
+<span class="sourceLineNo">026</span>import org.slf4j.Logger;<a 
name="line.26"></a>
+<span class="sourceLineNo">027</span>import org.slf4j.LoggerFactory;<a 
name="line.27"></a>
+<span class="sourceLineNo">028</span><a name="line.28"></a>
+<span class="sourceLineNo">029</span>import 
org.apache.hbase.thirdparty.com.google.common.annotations.VisibleForTesting;<a 
name="line.29"></a>
+<span class="sourceLineNo">030</span>import 
org.apache.hbase.thirdparty.com.google.common.base.Preconditions;<a 
name="line.30"></a>
+<span class="sourceLineNo">031</span><a name="line.31"></a>
+<span class="sourceLineNo">032</span>/**<a name="line.32"></a>
+<span class="sourceLineNo">033</span> * Allows multiple concurrent clients to 
lock on a numeric id with a minimal<a name="line.33"></a>
+<span class="sourceLineNo">034</span> * memory overhead. The intended usage is 
as follows:<a name="line.34"></a>
+<span class="sourceLineNo">035</span> *<a name="line.35"></a>
+<span class="sourceLineNo">036</span> * &lt;pre&gt;<a name="line.36"></a>
+<span class="sourceLineNo">037</span> * IdLock.Entry lockEntry = 
idLock.getLockEntry(id);<a name="line.37"></a>
+<span class="sourceLineNo">038</span> * try {<a name="line.38"></a>
+<span class="sourceLineNo">039</span> *   // User code.<a name="line.39"></a>
+<span class="sourceLineNo">040</span> * } finally {<a name="line.40"></a>
+<span class="sourceLineNo">041</span> *   
idLock.releaseLockEntry(lockEntry);<a name="line.41"></a>
+<span class="sourceLineNo">042</span> * }&lt;/pre&gt;<a name="line.42"></a>
+<span class="sourceLineNo">043</span> */<a name="line.43"></a>
+<span class="sourceLineNo">044</span>@InterfaceAudience.Private<a 
name="line.44"></a>
+<span class="sourceLineNo">045</span>public class IdLock {<a 
name="line.45"></a>
+<span class="sourceLineNo">046</span><a name="line.46"></a>
+<span class="sourceLineNo">047</span>  private static final Logger LOG = 
LoggerFactory.getLogger(IdLock.class);<a name="line.47"></a>
+<span class="sourceLineNo">048</span><a name="line.48"></a>
+<span class="sourceLineNo">049</span>  /** An entry returned to the client as 
a lock object */<a name="line.49"></a>
+<span class="sourceLineNo">050</span>  public static final class Entry {<a 
name="line.50"></a>
+<span class="sourceLineNo">051</span>    private final long id;<a 
name="line.51"></a>
+<span class="sourceLineNo">052</span>    private int numWaiters;<a 
name="line.52"></a>
+<span class="sourceLineNo">053</span>    private boolean locked = true;<a 
name="line.53"></a>
+<span class="sourceLineNo">054</span>    private Thread holder;<a 
name="line.54"></a>
+<span class="sourceLineNo">055</span><a name="line.55"></a>
+<span class="sourceLineNo">056</span>    private Entry(long id, Thread holder) 
{<a name="line.56"></a>
+<span class="sourceLineNo">057</span>      this.id = id;<a name="line.57"></a>
+<span class="sourceLineNo">058</span>      this.holder = holder;<a 
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 <span class="sourceLineNo">059</span>    }<a name="line.59"></a>
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-<span class="sourceLineNo">061</span><a name="line.61"></a>
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+<span class="sourceLineNo">147</span>                  return null;<a 
name="line.147"></a>
+<span class="sourceLineNo">148</span>                } else {<a 
name="line.148"></a>
+<span class="sourceLineNo">149</span>                  // our wait is waken, 
but the lock is still taken, this can happen<a name="line.149"></a>
+<span class="sourceLineNo">150</span>                  // due to JDK Object's 
wait/notify mechanism.<a name="line.150"></a>
+<span class="sourceLineNo">151</span>                  // Calculate the new 
remaining time to wait<a name="line.151"></a>
+<span class="sourceLineNo">152</span>                  remaining = waitUtilTS 
- currentTS;<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><a name="line.155"></a>
+<span class="sourceLineNo">156</span>            }<a name="line.156"></a>
+<span class="sourceLineNo">157</span>          } catch (InterruptedException 
e) {<a name="line.157"></a>
+<span class="sourceLineNo">158</span>            // HBASE-21292<a 
name="line.158"></a>
+<span class="sourceLineNo">159</span>            // Please refer to the 
comments in getLockEntry()<a name="line.159"></a>
+<span class="sourceLineNo">160</span>            // the difference here is 
that we decrease numWaiters in finally block<a name="line.160"></a>
+<span class="sourceLineNo">161</span>            if (!existing.locked 
&amp;&amp; existing.numWaiters == 1) {<a name="line.161"></a>
+<span class="sourceLineNo">162</span>              map.remove(existing.id);<a 
name="line.162"></a>
+<span class="sourceLineNo">163</span>            }<a name="line.163"></a>
+<span class="sourceLineNo">164</span>            throw new 
InterruptedIOException(<a name="line.164"></a>
+<span class="sourceLineNo">165</span>                "Interrupted waiting to 
acquire sparse lock");<a name="line.165"></a>
+<span class="sourceLineNo">166</span>          } finally {<a 
name="line.166"></a>
+<span class="sourceLineNo">167</span>            --existing.numWaiters;  // 
Remove ourselves from waiters.<a name="line.167"></a>
+<span class="sourceLineNo">168</span>          }<a name="line.168"></a>
+<span class="sourceLineNo">169</span>          existing.locked = true;<a 
name="line.169"></a>
+<span class="sourceLineNo">170</span>          existing.holder = 
currentThread;<a name="line.170"></a>
+<span class="sourceLineNo">171</span>          return existing;<a 
name="line.171"></a>
+<span class="sourceLineNo">172</span>        }<a name="line.172"></a>
+<span class="sourceLineNo">173</span>        // If the entry is not locked, it 
might already be deleted from the<a name="line.173"></a>
+<span class="sourceLineNo">174</span>        // map, so we cannot return it. 
We need to get our entry into the map<a name="line.174"></a>
+<span class="sourceLineNo">175</span>        // or get someone else's locked 
entry.<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>    return entry;<a name="line.178"></a>
+<span class="sourceLineNo">179</span>  }<a name="line.179"></a>
+<span class="sourceLineNo">180</span><a name="line.180"></a>
+<span class="sourceLineNo">181</span>  /**<a name="line.181"></a>
+<span class="sourceLineNo">182</span>   * Must be called in a finally block to 
decrease the internal counter and remove the monitor<a name="line.182"></a>
+<span class="sourceLineNo">183</span>   * object for the given id if the 
caller is the last client.<a name="line.183"></a>
+<span class="sourceLineNo">184</span>   * @param entry the return value of 
{@link #getLockEntry(long)}<a name="line.184"></a>
+<span class="sourceLineNo">185</span>   */<a name="line.185"></a>
+<span class="sourceLineNo">186</span>  public void releaseLockEntry(Entry 
entry) {<a name="line.186"></a>
+<span class="sourceLineNo">187</span>    Thread currentThread = 
Thread.currentThread();<a name="line.187"></a>
+<span class="sourceLineNo">188</span>    synchronized (entry) {<a 
name="line.188"></a>
+<span class="sourceLineNo">189</span>      if (entry.holder != currentThread) 
{<a name="line.189"></a>
+<span class="sourceLineNo">190</span>        LOG.warn("{} is trying to release 
lock entry {}, but it is not the holder.", currentThread,<a name="line.190"></a>
+<span class="sourceLineNo">191</span>          entry);<a name="line.191"></a>
+<span class="sourceLineNo">192</span>      }<a name="line.192"></a>
+<span class="sourceLineNo">193</span>      entry.locked = false;<a 
name="line.193"></a>
+<span class="sourceLineNo">194</span>      if (entry.numWaiters &gt; 0) {<a 
name="line.194"></a>
+<span class="sourceLineNo">195</span>        entry.notify();<a 
name="line.195"></a>
+<span class="sourceLineNo">196</span>      } else {<a name="line.196"></a>
+<span class="sourceLineNo">197</span>        map.remove(entry.id);<a 
name="line.197"></a>
+<span class="sourceLineNo">198</span>      }<a name="line.198"></a>
+<span class="sourceLineNo">199</span>    }<a name="line.199"></a>
+<span class="sourceLineNo">200</span>  }<a name="line.200"></a>
+<span class="sourceLineNo">201</span><a name="line.201"></a>
+<span class="sourceLineNo">202</span>  /**<a name="line.202"></a>
+<span class="sourceLineNo">203</span>   * Test whether the given id is already 
locked by the current thread.<a name="line.203"></a>
+<span class="sourceLineNo">204</span>   */<a name="line.204"></a>
+<span class="sourceLineNo">205</span>  public boolean 
isHeldByCurrentThread(long id) {<a name="line.205"></a>
+<span class="sourceLineNo">206</span>    Thread currentThread = 
Thread.currentThread();<a name="line.206"></a>
+<span class="sourceLineNo">207</span>    Entry entry = map.get(id);<a 
name="line.207"></a>
+<span class="sourceLineNo">208</span>    if (entry == null) {<a 
name="line.208"></a>
+<span class="sourceLineNo">209</span>      return false;<a name="line.209"></a>
+<span class="sourceLineNo">210</span>    }<a name="line.210"></a>
+<span class="sourceLineNo">211</span>    synchronized (entry) {<a 
name="line.211"></a>
+<span class="sourceLineNo">212</span>      return 
currentThread.equals(entry.holder);<a name="line.212"></a>
+<span class="sourceLineNo">213</span>    }<a name="line.213"></a>
+<span class="sourceLineNo">214</span>  }<a name="line.214"></a>
+<span class="sourceLineNo">215</span><a name="line.215"></a>
+<span class="sourceLineNo">216</span>  @VisibleForTesting<a 
name="line.216"></a>
+<span class="sourceLineNo">217</span>  void assertMapEmpty() {<a 
name="line.217"></a>
+<span class="sourceLineNo">218</span>    assert map.isEmpty();<a 
name="line.218"></a>
+<span class="sourceLineNo">219</span>  }<a name="line.219"></a>
+<span class="sourceLineNo">220</span><a name="line.220"></a>
+<span class="sourceLineNo">221</span>  @VisibleForTesting<a 
name="line.221"></a>
+<span class="sourceLineNo">222</span>  public void waitForWaiters(long id, int 
numWaiters) throws InterruptedException {<a name="line.222"></a>
+<span class="sourceLineNo">223</span>    for (Entry entry;;) {<a 
name="line.223"></a>
+<span class="sourceLineNo">224</span>      entry = map.get(id);<a 
name="line.224"></a>
+<span class="sourceLineNo">225</span>      if (entry != null) {<a 
name="line.225"></a>
+<span class="sourceLineNo">226</span>        synchronized (entry) {<a 
name="line.226"></a>
+<span class="sourceLineNo">227</span>          if (entry.numWaiters &gt;= 
numWaiters) {<a name="line.227"></a>
+<span class="sourceLineNo">228</span>            return;<a name="line.228"></a>
+<span class="sourceLineNo">229</span>          }<a name="line.229"></a>
+<span class="sourceLineNo">230</span>        }<a name="line.230"></a>
+<span class="sourceLineNo">231</span>      }<a name="line.231"></a>
+<span class="sourceLineNo">232</span>      Thread.sleep(100);<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>
 
 
 

http://git-wip-us.apache.org/repos/asf/hbase-site/blob/1f43e8de/downloads.html
----------------------------------------------------------------------
diff --git a/downloads.html b/downloads.html
index 22ab99b..a0deea8 100644
--- a/downloads.html
+++ b/downloads.html
@@ -7,7 +7,7 @@
   <head>
     <meta charset="UTF-8" />
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-    <meta name="Date-Revision-yyyymmdd" content="20181102" />
+    <meta name="Date-Revision-yyyymmdd" content="20181103" />
     <meta http-equiv="Content-Language" content="en" />
     <title>Apache HBase &#x2013; Apache HBase Downloads</title>
     <link rel="stylesheet" href="./css/apache-maven-fluido-1.4-HBase.min.css" 
/>
@@ -461,7 +461,7 @@ under the License. -->
                         <a href="https://www.apache.org/";>The Apache Software 
Foundation</a>.
             All rights reserved.      
                     
-                  <li id="publishDate" class="pull-right">Last Published: 
2018-11-02</li>
+                  <li id="publishDate" class="pull-right">Last Published: 
2018-11-03</li>
             </p>
                 </div>
 

http://git-wip-us.apache.org/repos/asf/hbase-site/blob/1f43e8de/export_control.html
----------------------------------------------------------------------
diff --git a/export_control.html b/export_control.html
index ad4b204..d69b061 100644
--- a/export_control.html
+++ b/export_control.html
@@ -7,7 +7,7 @@
   <head>
     <meta charset="UTF-8" />
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-    <meta name="Date-Revision-yyyymmdd" content="20181102" />
+    <meta name="Date-Revision-yyyymmdd" content="20181103" />
     <meta http-equiv="Content-Language" content="en" />
     <title>Apache HBase &#x2013; 
       Export Control
@@ -341,7 +341,7 @@ for more details.</p>
                         <a href="https://www.apache.org/";>The Apache Software 
Foundation</a>.
             All rights reserved.      
                     
-                  <li id="publishDate" class="pull-right">Last Published: 
2018-11-02</li>
+                  <li id="publishDate" class="pull-right">Last Published: 
2018-11-03</li>
             </p>
                 </div>
 

http://git-wip-us.apache.org/repos/asf/hbase-site/blob/1f43e8de/index.html
----------------------------------------------------------------------
diff --git a/index.html b/index.html
index 7c30530..c2ccb72 100644
--- a/index.html
+++ b/index.html
@@ -7,7 +7,7 @@
   <head>
     <meta charset="UTF-8" />
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-    <meta name="Date-Revision-yyyymmdd" content="20181102" />
+    <meta name="Date-Revision-yyyymmdd" content="20181103" />
     <meta http-equiv="Content-Language" content="en" />
     <title>Apache HBase &#x2013; Apache HBaseâ¢ Home</title>
     <link rel="stylesheet" href="./css/apache-maven-fluido-1.4-HBase.min.css" 
/>
@@ -421,7 +421,7 @@ Apache HBase is an open-source, distributed, versioned, 
non-relational database
                         <a href="https://www.apache.org/";>The Apache Software 
Foundation</a>.
             All rights reserved.      
                     
-                  <li id="publishDate" class="pull-right">Last Published: 
2018-11-02</li>
+                  <li id="publishDate" class="pull-right">Last Published: 
2018-11-03</li>
             </p>
                 </div>
 

http://git-wip-us.apache.org/repos/asf/hbase-site/blob/1f43e8de/integration.html
----------------------------------------------------------------------
diff --git a/integration.html b/integration.html
index e2cf58a..a697f33 100644
--- a/integration.html
+++ b/integration.html
@@ -7,7 +7,7 @@
   <head>
     <meta charset="UTF-8" />
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-    <meta name="Date-Revision-yyyymmdd" content="20181102" />
+    <meta name="Date-Revision-yyyymmdd" content="20181103" />
     <meta http-equiv="Content-Language" content="en" />
     <title>Apache HBase &#x2013; CI Management</title>
     <link rel="stylesheet" href="./css/apache-maven-fluido-1.4-HBase.min.css" 
/>
@@ -301,7 +301,7 @@
                         <a href="https://www.apache.org/";>The Apache Software 
Foundation</a>.
             All rights reserved.      
                     
-                  <li id="publishDate" class="pull-right">Last Published: 
2018-11-02</li>
+                  <li id="publishDate" class="pull-right">Last Published: 
2018-11-03</li>
             </p>
                 </div>
 

http://git-wip-us.apache.org/repos/asf/hbase-site/blob/1f43e8de/issue-tracking.html
----------------------------------------------------------------------
diff --git a/issue-tracking.html b/issue-tracking.html
index c819914..3ada237 100644
--- a/issue-tracking.html
+++ b/issue-tracking.html
@@ -7,7 +7,7 @@
   <head>
     <meta charset="UTF-8" />
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-    <meta name="Date-Revision-yyyymmdd" content="20181102" />
+    <meta name="Date-Revision-yyyymmdd" content="20181103" />
     <meta http-equiv="Content-Language" content="en" />
     <title>Apache HBase &#x2013; Issue Management</title>
     <link rel="stylesheet" href="./css/apache-maven-fluido-1.4-HBase.min.css" 
/>
@@ -298,7 +298,7 @@
                         <a href="https://www.apache.org/";>The Apache Software 
Foundation</a>.
             All rights reserved.      
                     
-                  <li id="publishDate" class="pull-right">Last Published: 
2018-11-02</li>
+                  <li id="publishDate" class="pull-right">Last Published: 
2018-11-03</li>
             </p>
                 </div>
 

http://git-wip-us.apache.org/repos/asf/hbase-site/blob/1f43e8de/license.html
----------------------------------------------------------------------
diff --git a/license.html b/license.html
index 647b2da..8048d6d 100644
--- a/license.html
+++ b/license.html
@@ -7,7 +7,7 @@
   <head>
     <meta charset="UTF-8" />
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-    <meta name="Date-Revision-yyyymmdd" content="20181102" />
+    <meta name="Date-Revision-yyyymmdd" content="20181103" />
     <meta http-equiv="Content-Language" content="en" />
     <title>Apache HBase &#x2013; Project Licenses</title>
     <link rel="stylesheet" href="./css/apache-maven-fluido-1.4-HBase.min.css" 
/>
@@ -501,7 +501,7 @@
                         <a href="https://www.apache.org/";>The Apache Software 
Foundation</a>.
             All rights reserved.      
                     
-                  <li id="publishDate" class="pull-right">Last Published: 
2018-11-02</li>
+                  <li id="publishDate" class="pull-right">Last Published: 
2018-11-03</li>
             </p>
                 </div>
 

http://git-wip-us.apache.org/repos/asf/hbase-site/blob/1f43e8de/mail-lists.html
----------------------------------------------------------------------
diff --git a/mail-lists.html b/mail-lists.html
index 145518c..70a2da1 100644
--- a/mail-lists.html
+++ b/mail-lists.html
@@ -7,7 +7,7 @@
   <head>
     <meta charset="UTF-8" />
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-    <meta name="Date-Revision-yyyymmdd" content="20181102" />
+    <meta name="Date-Revision-yyyymmdd" content="20181103" />
     <meta http-equiv="Content-Language" content="en" />
     <title>Apache HBase &#x2013; Project Mailing Lists</title>
     <link rel="stylesheet" href="./css/apache-maven-fluido-1.4-HBase.min.css" 
/>
@@ -351,7 +351,7 @@
                         <a href="https://www.apache.org/";>The Apache Software 
Foundation</a>.
             All rights reserved.      
                     
-                  <li id="publishDate" class="pull-right">Last Published: 
2018-11-02</li>
+                  <li id="publishDate" class="pull-right">Last Published: 
2018-11-03</li>
             </p>
                 </div>
 

http://git-wip-us.apache.org/repos/asf/hbase-site/blob/1f43e8de/metrics.html
----------------------------------------------------------------------
diff --git a/metrics.html b/metrics.html
index ed459c9..8fabf85 100644
--- a/metrics.html
+++ b/metrics.html
@@ -7,7 +7,7 @@
   <head>
     <meta charset="UTF-8" />
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-    <meta name="Date-Revision-yyyymmdd" content="20181102" />
+    <meta name="Date-Revision-yyyymmdd" content="20181103" />
     <meta http-equiv="Content-Language" content="en" />
     <title>Apache HBase &#x2013;  
       Apache HBase (TM) Metrics
@@ -469,7 +469,7 @@ export HBASE_REGIONSERVER_OPTS=&quot;$HBASE_JMX_OPTS 
-Dcom.sun.management.jmxrem
                         <a href="https://www.apache.org/";>The Apache Software 
Foundation</a>.
             All rights reserved.      
                     
-                  <li id="publishDate" class="pull-right">Last Published: 
2018-11-02</li>
+                  <li id="publishDate" class="pull-right">Last Published: 
2018-11-03</li>
             </p>
                 </div>
 

http://git-wip-us.apache.org/repos/asf/hbase-site/blob/1f43e8de/old_news.html
----------------------------------------------------------------------
diff --git a/old_news.html b/old_news.html
index a4ebc49..fe378ca 100644
--- a/old_news.html
+++ b/old_news.html
@@ -7,7 +7,7 @@
   <head>
     <meta charset="UTF-8" />
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-    <meta name="Date-Revision-yyyymmdd" content="20181102" />
+    <meta name="Date-Revision-yyyymmdd" content="20181103" />
     <meta http-equiv="Content-Language" content="en" />
     <title>Apache HBase &#x2013; 
       Old Apache HBase (TM) News
@@ -450,7 +450,7 @@ under the License. -->
                         <a href="https://www.apache.org/";>The Apache Software 
Foundation</a>.
             All rights reserved.      
                     
-                  <li id="publishDate" class="pull-right">Last Published: 
2018-11-02</li>
+                  <li id="publishDate" class="pull-right">Last Published: 
2018-11-03</li>
             </p>
                 </div>
 

http://git-wip-us.apache.org/repos/asf/hbase-site/blob/1f43e8de/plugin-management.html
----------------------------------------------------------------------
diff --git a/plugin-management.html b/plugin-management.html
index e64c81b..15ebcfe 100644
--- a/plugin-management.html
+++ b/plugin-management.html
@@ -7,7 +7,7 @@
   <head>
     <meta charset="UTF-8" />
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-    <meta name="Date-Revision-yyyymmdd" content="20181102" />
+    <meta name="Date-Revision-yyyymmdd" content="20181103" />
     <meta http-equiv="Content-Language" content="en" />
     <title>Apache HBase &#x2013; Project Plugin Management</title>
     <link rel="stylesheet" href="./css/apache-maven-fluido-1.4-HBase.min.css" 
/>
@@ -450,7 +450,7 @@
                         <a href="https://www.apache.org/";>The Apache Software 
Foundation</a>.
             All rights reserved.      
                     
-                  <li id="publishDate" class="pull-right">Last Published: 
2018-11-02</li>
+                  <li id="publishDate" class="pull-right">Last Published: 
2018-11-03</li>
             </p>
                 </div>
 

http://git-wip-us.apache.org/repos/asf/hbase-site/blob/1f43e8de/plugins.html
----------------------------------------------------------------------
diff --git a/plugins.html b/plugins.html
index 07417ef..55c4924 100644
--- a/plugins.html
+++ b/plugins.html
@@ -7,7 +7,7 @@
   <head>
     <meta charset="UTF-8" />
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-    <meta name="Date-Revision-yyyymmdd" content="20181102" />
+    <meta name="Date-Revision-yyyymmdd" content="20181103" />
     <meta http-equiv="Content-Language" content="en" />
     <title>Apache HBase &#x2013; Project Plugins</title>
     <link rel="stylesheet" href="./css/apache-maven-fluido-1.4-HBase.min.css" 
/>
@@ -385,7 +385,7 @@
                         <a href="https://www.apache.org/";>The Apache Software 
Foundation</a>.
             All rights reserved.      
                     
-                  <li id="publishDate" class="pull-right">Last Published: 
2018-11-02</li>
+                  <li id="publishDate" class="pull-right">Last Published: 
2018-11-03</li>
             </p>
                 </div>
 

http://git-wip-us.apache.org/repos/asf/hbase-site/blob/1f43e8de/poweredbyhbase.html
----------------------------------------------------------------------
diff --git a/poweredbyhbase.html b/poweredbyhbase.html
index 2f7d4f3..7f8d7c9 100644
--- a/poweredbyhbase.html
+++ b/poweredbyhbase.html
@@ -7,7 +7,7 @@
   <head>
     <meta charset="UTF-8" />
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-    <meta name="Date-Revision-yyyymmdd" content="20181102" />
+    <meta name="Date-Revision-yyyymmdd" content="20181103" />
     <meta http-equiv="Content-Language" content="en" />
     <title>Apache HBase &#x2013; Powered By Apache HBaseÂ</title>
     <link rel="stylesheet" href="./css/apache-maven-fluido-1.4-HBase.min.css" 
/>
@@ -779,7 +779,7 @@ under the License. -->
                         <a href="https://www.apache.org/";>The Apache Software 
Foundation</a>.
             All rights reserved.      
                     
-                  <li id="publishDate" class="pull-right">Last Published: 
2018-11-02</li>
+                  <li id="publishDate" class="pull-right">Last Published: 
2018-11-03</li>
             </p>
                 </div>

[19/39] hbase-site git commit: Published site at 62fe3659349800b0fcbfcafd140ae6a3f57c5804.

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