[33/51] [partial] hbase-site git commit: Published site at .

[git-site-role]

http://git-wip-us.apache.org/repos/asf/hbase-site/blob/35decbe4/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/Chunk.html
----------------------------------------------------------------------
diff --git 
a/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/Chunk.html 
b/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/Chunk.html
index 073d380..9b39b6a 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/Chunk.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/Chunk.html
@@ -93,94 +93,98 @@
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name="line.85"></a>
 <span class="sourceLineNo">086</span>  }<a name="line.86"></a>
 <span class="sourceLineNo">087</span><a name="line.87"></a>
-<span class="sourceLineNo">088</span>  /**<a name="line.88"></a>
-<span class="sourceLineNo">089</span>   * Actually claim the memory for this 
chunk. This should only be called from the thread that<a name="line.89"></a>
-<span class="sourceLineNo">090</span>   * constructed the chunk. It is 
thread-safe against other threads calling alloc(), who will block<a 
name="line.90"></a>
-<span class="sourceLineNo">091</span>   * until the allocation is complete.<a 
name="line.91"></a>
-<span class="sourceLineNo">092</span>   */<a name="line.92"></a>
-<span class="sourceLineNo">093</span>  public void init() {<a 
name="line.93"></a>
-<span class="sourceLineNo">094</span>    assert nextFreeOffset.get() == 
UNINITIALIZED;<a name="line.94"></a>
-<span class="sourceLineNo">095</span>    try {<a name="line.95"></a>
-<span class="sourceLineNo">096</span>      allocateDataBuffer();<a 
name="line.96"></a>
-<span class="sourceLineNo">097</span>    } catch (OutOfMemoryError e) {<a 
name="line.97"></a>
-<span class="sourceLineNo">098</span>      boolean failInit = 
nextFreeOffset.compareAndSet(UNINITIALIZED, OOM);<a name="line.98"></a>
-<span class="sourceLineNo">099</span>      assert failInit; // should be 
true.<a name="line.99"></a>
-<span class="sourceLineNo">100</span>      throw e;<a name="line.100"></a>
-<span class="sourceLineNo">101</span>    }<a name="line.101"></a>
-<span class="sourceLineNo">102</span>    // Mark that it's ready for use<a 
name="line.102"></a>
-<span class="sourceLineNo">103</span>    // Move 4 bytes since the first 4 
bytes are having the chunkid in it<a name="line.103"></a>
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nextFreeOffset.compareAndSet(UNINITIALIZED, Bytes.SIZEOF_INT);<a 
name="line.104"></a>
-<span class="sourceLineNo">105</span>    // We should always succeed the above 
CAS since only one thread<a name="line.105"></a>
-<span class="sourceLineNo">106</span>    // calls init()!<a 
name="line.106"></a>
-<span class="sourceLineNo">107</span>    Preconditions.checkState(initted, 
"Multiple threads tried to init same chunk");<a name="line.107"></a>
-<span class="sourceLineNo">108</span>  }<a name="line.108"></a>
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name="line.110"></a>
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-<span class="sourceLineNo">112</span>  /**<a name="line.112"></a>
-<span class="sourceLineNo">113</span>   * Reset the offset to UNINITIALIZED 
before before reusing an old chunk<a name="line.113"></a>
-<span class="sourceLineNo">114</span>   */<a name="line.114"></a>
-<span class="sourceLineNo">115</span>  void reset() {<a name="line.115"></a>
-<span class="sourceLineNo">116</span>    if (nextFreeOffset.get() != 
UNINITIALIZED) {<a name="line.116"></a>
-<span class="sourceLineNo">117</span>      
nextFreeOffset.set(UNINITIALIZED);<a name="line.117"></a>
-<span class="sourceLineNo">118</span>      allocCount.set(0);<a 
name="line.118"></a>
-<span class="sourceLineNo">119</span>    }<a name="line.119"></a>
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-<span class="sourceLineNo">121</span><a name="line.121"></a>
-<span class="sourceLineNo">122</span>  /**<a name="line.122"></a>
-<span class="sourceLineNo">123</span>   * Try to allocate 
&lt;code&gt;size&lt;/code&gt; bytes from the chunk.<a name="line.123"></a>
-<span class="sourceLineNo">124</span>   * If a chunk is tried to get allocated 
before init() call, the thread doing the allocation<a name="line.124"></a>
-<span class="sourceLineNo">125</span>   * will be in busy-wait state as it 
will keep looping till the nextFreeOffset is set.<a name="line.125"></a>
-<span class="sourceLineNo">126</span>   * @return the offset of the successful 
allocation, or -1 to indicate not-enough-space<a name="line.126"></a>
-<span class="sourceLineNo">127</span>   */<a name="line.127"></a>
-<span class="sourceLineNo">128</span>  public int alloc(int size) {<a 
name="line.128"></a>
-<span class="sourceLineNo">129</span>    while (true) {<a name="line.129"></a>
-<span class="sourceLineNo">130</span>      int oldOffset = 
nextFreeOffset.get();<a name="line.130"></a>
-<span class="sourceLineNo">131</span>      if (oldOffset == UNINITIALIZED) {<a 
name="line.131"></a>
-<span class="sourceLineNo">132</span>        // The chunk doesn't have its 
data allocated yet.<a name="line.132"></a>
-<span class="sourceLineNo">133</span>        // Since we found this in 
curChunk, we know that whoever<a name="line.133"></a>
-<span class="sourceLineNo">134</span>        // CAS-ed it there is allocating 
it right now. So spin-loop<a name="line.134"></a>
-<span class="sourceLineNo">135</span>        // shouldn't spin long!<a 
name="line.135"></a>
-<span class="sourceLineNo">136</span>        Thread.yield();<a 
name="line.136"></a>
-<span class="sourceLineNo">137</span>        continue;<a name="line.137"></a>
-<span class="sourceLineNo">138</span>      }<a name="line.138"></a>
-<span class="sourceLineNo">139</span>      if (oldOffset == OOM) {<a 
name="line.139"></a>
-<span class="sourceLineNo">140</span>        // doh we ran out of ram. return 
-1 to chuck this away.<a name="line.140"></a>
-<span class="sourceLineNo">141</span>        return -1;<a name="line.141"></a>
+<span class="sourceLineNo">088</span>  boolean isJumbo() {<a 
name="line.88"></a>
+<span class="sourceLineNo">089</span>    return size &gt; 
ChunkCreator.getInstance().getChunkSize();<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>  /**<a name="line.92"></a>
+<span class="sourceLineNo">093</span>   * Actually claim the memory for this 
chunk. This should only be called from the thread that<a name="line.93"></a>
+<span class="sourceLineNo">094</span>   * constructed the chunk. It is 
thread-safe against other threads calling alloc(), who will block<a 
name="line.94"></a>
+<span class="sourceLineNo">095</span>   * until the allocation is complete.<a 
name="line.95"></a>
+<span class="sourceLineNo">096</span>   */<a name="line.96"></a>
+<span class="sourceLineNo">097</span>  public void init() {<a 
name="line.97"></a>
+<span class="sourceLineNo">098</span>    assert nextFreeOffset.get() == 
UNINITIALIZED;<a name="line.98"></a>
+<span class="sourceLineNo">099</span>    try {<a name="line.99"></a>
+<span class="sourceLineNo">100</span>      allocateDataBuffer();<a 
name="line.100"></a>
+<span class="sourceLineNo">101</span>    } catch (OutOfMemoryError e) {<a 
name="line.101"></a>
+<span class="sourceLineNo">102</span>      boolean failInit = 
nextFreeOffset.compareAndSet(UNINITIALIZED, OOM);<a name="line.102"></a>
+<span class="sourceLineNo">103</span>      assert failInit; // should be 
true.<a name="line.103"></a>
+<span class="sourceLineNo">104</span>      throw e;<a name="line.104"></a>
+<span class="sourceLineNo">105</span>    }<a name="line.105"></a>
+<span class="sourceLineNo">106</span>    // Mark that it's ready for use<a 
name="line.106"></a>
+<span class="sourceLineNo">107</span>    // Move 4 bytes since the first 4 
bytes are having the chunkid in it<a name="line.107"></a>
+<span class="sourceLineNo">108</span>    boolean initted = 
nextFreeOffset.compareAndSet(UNINITIALIZED, Bytes.SIZEOF_INT);<a 
name="line.108"></a>
+<span class="sourceLineNo">109</span>    // We should always succeed the above 
CAS since only one thread<a name="line.109"></a>
+<span class="sourceLineNo">110</span>    // calls init()!<a 
name="line.110"></a>
+<span class="sourceLineNo">111</span>    Preconditions.checkState(initted, 
"Multiple threads tried to init same chunk");<a name="line.111"></a>
+<span class="sourceLineNo">112</span>  }<a name="line.112"></a>
+<span class="sourceLineNo">113</span><a name="line.113"></a>
+<span class="sourceLineNo">114</span>  abstract void allocateDataBuffer();<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>   * Reset the offset to UNINITIALIZED 
before before reusing an old chunk<a name="line.117"></a>
+<span class="sourceLineNo">118</span>   */<a name="line.118"></a>
+<span class="sourceLineNo">119</span>  void reset() {<a name="line.119"></a>
+<span class="sourceLineNo">120</span>    if (nextFreeOffset.get() != 
UNINITIALIZED) {<a name="line.120"></a>
+<span class="sourceLineNo">121</span>      
nextFreeOffset.set(UNINITIALIZED);<a name="line.121"></a>
+<span class="sourceLineNo">122</span>      allocCount.set(0);<a 
name="line.122"></a>
+<span class="sourceLineNo">123</span>    }<a name="line.123"></a>
+<span class="sourceLineNo">124</span>  }<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>   * Try to allocate 
&lt;code&gt;size&lt;/code&gt; bytes from the chunk.<a name="line.127"></a>
+<span class="sourceLineNo">128</span>   * If a chunk is tried to get allocated 
before init() call, the thread doing the allocation<a name="line.128"></a>
+<span class="sourceLineNo">129</span>   * will be in busy-wait state as it 
will keep looping till the nextFreeOffset is set.<a name="line.129"></a>
+<span class="sourceLineNo">130</span>   * @return the offset of the successful 
allocation, or -1 to indicate not-enough-space<a name="line.130"></a>
+<span class="sourceLineNo">131</span>   */<a name="line.131"></a>
+<span class="sourceLineNo">132</span>  public int alloc(int size) {<a 
name="line.132"></a>
+<span class="sourceLineNo">133</span>    while (true) {<a name="line.133"></a>
+<span class="sourceLineNo">134</span>      int oldOffset = 
nextFreeOffset.get();<a name="line.134"></a>
+<span class="sourceLineNo">135</span>      if (oldOffset == UNINITIALIZED) {<a 
name="line.135"></a>
+<span class="sourceLineNo">136</span>        // The chunk doesn't have its 
data allocated yet.<a name="line.136"></a>
+<span class="sourceLineNo">137</span>        // Since we found this in 
curChunk, we know that whoever<a name="line.137"></a>
+<span class="sourceLineNo">138</span>        // CAS-ed it there is allocating 
it right now. So spin-loop<a name="line.138"></a>
+<span class="sourceLineNo">139</span>        // shouldn't spin long!<a 
name="line.139"></a>
+<span class="sourceLineNo">140</span>        Thread.yield();<a 
name="line.140"></a>
+<span class="sourceLineNo">141</span>        continue;<a name="line.141"></a>
 <span class="sourceLineNo">142</span>      }<a name="line.142"></a>
-<span class="sourceLineNo">143</span><a name="line.143"></a>
-<span class="sourceLineNo">144</span>      if (oldOffset + size &gt; 
data.capacity()) {<a name="line.144"></a>
-<span class="sourceLineNo">145</span>        return -1; // alloc doesn't fit<a 
name="line.145"></a>
+<span class="sourceLineNo">143</span>      if (oldOffset == OOM) {<a 
name="line.143"></a>
+<span class="sourceLineNo">144</span>        // doh we ran out of ram. return 
-1 to chuck this away.<a name="line.144"></a>
+<span class="sourceLineNo">145</span>        return -1;<a name="line.145"></a>
 <span class="sourceLineNo">146</span>      }<a name="line.146"></a>
-<span class="sourceLineNo">147</span>      // TODO : If seqID is to be written 
add 8 bytes here for nextFreeOFfset<a name="line.147"></a>
-<span class="sourceLineNo">148</span>      // Try to atomically claim this 
chunk<a name="line.148"></a>
-<span class="sourceLineNo">149</span>      if 
(nextFreeOffset.compareAndSet(oldOffset, oldOffset + size)) {<a 
name="line.149"></a>
-<span class="sourceLineNo">150</span>        // we got the alloc<a 
name="line.150"></a>
-<span class="sourceLineNo">151</span>        allocCount.incrementAndGet();<a 
name="line.151"></a>
-<span class="sourceLineNo">152</span>        return oldOffset;<a 
name="line.152"></a>
-<span class="sourceLineNo">153</span>      }<a name="line.153"></a>
-<span class="sourceLineNo">154</span>      // we raced and lost alloc, try 
again<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><a name="line.157"></a>
-<span class="sourceLineNo">158</span>  /**<a name="line.158"></a>
-<span class="sourceLineNo">159</span>   * @return This chunk's backing data.<a 
name="line.159"></a>
-<span class="sourceLineNo">160</span>   */<a name="line.160"></a>
-<span class="sourceLineNo">161</span>  ByteBuffer getData() {<a 
name="line.161"></a>
-<span class="sourceLineNo">162</span>    return this.data;<a 
name="line.162"></a>
-<span class="sourceLineNo">163</span>  }<a name="line.163"></a>
-<span class="sourceLineNo">164</span><a name="line.164"></a>
-<span class="sourceLineNo">165</span>  @Override<a name="line.165"></a>
-<span class="sourceLineNo">166</span>  public String toString() {<a 
name="line.166"></a>
-<span class="sourceLineNo">167</span>    return "Chunk@" + 
System.identityHashCode(this) + " allocs=" + allocCount.get() + "waste="<a 
name="line.167"></a>
-<span class="sourceLineNo">168</span>        + (data.capacity() - 
nextFreeOffset.get());<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>  @VisibleForTesting<a 
name="line.171"></a>
-<span class="sourceLineNo">172</span>  int getNextFreeOffset() {<a 
name="line.172"></a>
-<span class="sourceLineNo">173</span>    return this.nextFreeOffset.get();<a 
name="line.173"></a>
-<span class="sourceLineNo">174</span>  }<a name="line.174"></a>
-<span class="sourceLineNo">175</span>}<a name="line.175"></a>
+<span class="sourceLineNo">147</span><a name="line.147"></a>
+<span class="sourceLineNo">148</span>      if (oldOffset + size &gt; 
data.capacity()) {<a name="line.148"></a>
+<span class="sourceLineNo">149</span>        return -1; // alloc doesn't fit<a 
name="line.149"></a>
+<span class="sourceLineNo">150</span>      }<a name="line.150"></a>
+<span class="sourceLineNo">151</span>      // TODO : If seqID is to be written 
add 8 bytes here for nextFreeOFfset<a name="line.151"></a>
+<span class="sourceLineNo">152</span>      // Try to atomically claim this 
chunk<a name="line.152"></a>
+<span class="sourceLineNo">153</span>      if 
(nextFreeOffset.compareAndSet(oldOffset, oldOffset + size)) {<a 
name="line.153"></a>
+<span class="sourceLineNo">154</span>        // we got the alloc<a 
name="line.154"></a>
+<span class="sourceLineNo">155</span>        allocCount.incrementAndGet();<a 
name="line.155"></a>
+<span class="sourceLineNo">156</span>        return oldOffset;<a 
name="line.156"></a>
+<span class="sourceLineNo">157</span>      }<a name="line.157"></a>
+<span class="sourceLineNo">158</span>      // we raced and lost alloc, try 
again<a name="line.158"></a>
+<span class="sourceLineNo">159</span>    }<a name="line.159"></a>
+<span class="sourceLineNo">160</span>  }<a name="line.160"></a>
+<span class="sourceLineNo">161</span><a name="line.161"></a>
+<span class="sourceLineNo">162</span>  /**<a name="line.162"></a>
+<span class="sourceLineNo">163</span>   * @return This chunk's backing data.<a 
name="line.163"></a>
+<span class="sourceLineNo">164</span>   */<a name="line.164"></a>
+<span class="sourceLineNo">165</span>  ByteBuffer getData() {<a 
name="line.165"></a>
+<span class="sourceLineNo">166</span>    return this.data;<a 
name="line.166"></a>
+<span class="sourceLineNo">167</span>  }<a name="line.167"></a>
+<span class="sourceLineNo">168</span><a name="line.168"></a>
+<span class="sourceLineNo">169</span>  @Override<a name="line.169"></a>
+<span class="sourceLineNo">170</span>  public String toString() {<a 
name="line.170"></a>
+<span class="sourceLineNo">171</span>    return "Chunk@" + 
System.identityHashCode(this) + " allocs=" + allocCount.get() + "waste="<a 
name="line.171"></a>
+<span class="sourceLineNo">172</span>        + (data.capacity() - 
nextFreeOffset.get());<a name="line.172"></a>
+<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>  @VisibleForTesting<a 
name="line.175"></a>
+<span class="sourceLineNo">176</span>  int getNextFreeOffset() {<a 
name="line.176"></a>
+<span class="sourceLineNo">177</span>    return this.nextFreeOffset.get();<a 
name="line.177"></a>
+<span class="sourceLineNo">178</span>  }<a name="line.178"></a>
+<span class="sourceLineNo">179</span>}<a name="line.179"></a>
 
 
 

http://git-wip-us.apache.org/repos/asf/hbase-site/blob/35decbe4/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/ChunkCreator.MemStoreChunkPool.StatisticsThread.html
----------------------------------------------------------------------
diff --git 
a/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/ChunkCreator.MemStoreChunkPool.StatisticsThread.html
 
b/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/ChunkCreator.MemStoreChunkPool.StatisticsThread.html
index faa5693..157ecf3 100644
--- 
a/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/ChunkCreator.MemStoreChunkPool.StatisticsThread.html
+++ 
b/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/ChunkCreator.MemStoreChunkPool.StatisticsThread.html
@@ -118,338 +118,375 @@
 <span class="sourceLineNo">110</span>   * @return the chunk that was 
initialized<a name="line.110"></a>
 <span class="sourceLineNo">111</span>   */<a name="line.111"></a>
 <span class="sourceLineNo">112</span>  Chunk getChunk() {<a 
name="line.112"></a>
-<span class="sourceLineNo">113</span>    return 
getChunk(CompactingMemStore.IndexType.ARRAY_MAP);<a name="line.113"></a>
+<span class="sourceLineNo">113</span>    return 
getChunk(CompactingMemStore.IndexType.ARRAY_MAP, chunkSize);<a 
name="line.113"></a>
 <span class="sourceLineNo">114</span>  }<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>   * Creates and inits a chunk.<a 
name="line.117"></a>
+<span class="sourceLineNo">117</span>   * Creates and inits a chunk. The 
default implementation for specific index type.<a name="line.117"></a>
 <span class="sourceLineNo">118</span>   * @return the chunk that was 
initialized<a name="line.118"></a>
-<span class="sourceLineNo">119</span>   * @param chunkIndexType whether the 
requested chunk is going to be used with CellChunkMap index<a 
name="line.119"></a>
-<span class="sourceLineNo">120</span>   */<a name="line.120"></a>
-<span class="sourceLineNo">121</span>  Chunk 
getChunk(CompactingMemStore.IndexType chunkIndexType) {<a name="line.121"></a>
-<span class="sourceLineNo">122</span>    Chunk chunk = null;<a 
name="line.122"></a>
-<span class="sourceLineNo">123</span>    if (pool != null) {<a 
name="line.123"></a>
-<span class="sourceLineNo">124</span>      //  the pool creates the chunk 
internally. The chunk#init() call happens here<a name="line.124"></a>
-<span class="sourceLineNo">125</span>      chunk = this.pool.getChunk();<a 
name="line.125"></a>
-<span class="sourceLineNo">126</span>      // the pool has run out of 
maxCount<a name="line.126"></a>
-<span class="sourceLineNo">127</span>      if (chunk == null) {<a 
name="line.127"></a>
-<span class="sourceLineNo">128</span>        if (LOG.isTraceEnabled()) {<a 
name="line.128"></a>
-<span class="sourceLineNo">129</span>          LOG.trace("The chunk pool is 
full. Reached maxCount= " + this.pool.getMaxCount()<a name="line.129"></a>
-<span class="sourceLineNo">130</span>              + ". Creating chunk 
onheap.");<a name="line.130"></a>
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-<span class="sourceLineNo">132</span>      }<a name="line.132"></a>
-<span class="sourceLineNo">133</span>    }<a name="line.133"></a>
-<span class="sourceLineNo">134</span>    if (chunk == null) {<a 
name="line.134"></a>
-<span class="sourceLineNo">135</span>      // the second boolean parameter 
means:<a name="line.135"></a>
-<span class="sourceLineNo">136</span>      // if CellChunkMap index is 
requested, put allocated on demand chunk mapping into chunkIdMap<a 
name="line.136"></a>
-<span class="sourceLineNo">137</span>      chunk = createChunk(false, 
chunkIndexType);<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>    // now we need to actually do the 
expensive memory allocation step in case of a new chunk,<a name="line.140"></a>
-<span class="sourceLineNo">141</span>    // else only the offset is set to the 
beginning of the chunk to accept allocations<a name="line.141"></a>
-<span class="sourceLineNo">142</span>    chunk.init();<a name="line.142"></a>
-<span class="sourceLineNo">143</span>    return chunk;<a name="line.143"></a>
-<span class="sourceLineNo">144</span>  }<a name="line.144"></a>
-<span class="sourceLineNo">145</span><a name="line.145"></a>
-<span class="sourceLineNo">146</span>  /**<a name="line.146"></a>
-<span class="sourceLineNo">147</span>   * Creates the chunk either onheap or 
offheap<a name="line.147"></a>
-<span class="sourceLineNo">148</span>   * @param pool indicates if the chunks 
have to be created which will be used by the Pool<a name="line.148"></a>
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name="line.149"></a>
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name="line.153"></a>
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chunkIdMap so it is not GC-ed<a name="line.163"></a>
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chunk);<a name="line.164"></a>
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this.chunkIdMap.keySet().removeAll(chunkIDs);<a name="line.185"></a>
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this.chunkIdMap.remove(chunkId);<a name="line.189"></a>
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name="line.192"></a>
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already be released so we shouldn't relay<a name="line.193"></a>
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retired chunks for reusing, it could<a name="line.207"></a>
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writing, thereby optimizing the garbage<a name="line.208"></a>
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new AtomicLong();<a name="line.222"></a>
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reusedChunkCount = new LongAdder();<a name="line.223"></a>
+<span class="sourceLineNo">119</span>   */<a name="line.119"></a>
+<span class="sourceLineNo">120</span>  Chunk 
getChunk(CompactingMemStore.IndexType chunkIndexType) {<a name="line.120"></a>
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chunkSize);<a name="line.121"></a>
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+<span class="sourceLineNo">123</span><a name="line.123"></a>
+<span class="sourceLineNo">124</span>  /**<a name="line.124"></a>
+<span class="sourceLineNo">125</span>   * Creates and inits a chunk.<a 
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+<span class="sourceLineNo">126</span>   * @return the chunk that was 
initialized<a name="line.126"></a>
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requested chunk is going to be used with CellChunkMap index<a 
name="line.127"></a>
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be allocated, in bytes<a name="line.128"></a>
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+<span class="sourceLineNo">130</span>  Chunk 
getChunk(CompactingMemStore.IndexType chunkIndexType, int size) {<a 
name="line.130"></a>
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name="line.131"></a>
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== chunkSize)) {<a name="line.133"></a>
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internally. The chunk#init() call happens here<a name="line.134"></a>
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name="line.135"></a>
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maxCount<a name="line.136"></a>
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name="line.137"></a>
+<span class="sourceLineNo">138</span>        if (LOG.isTraceEnabled()) {<a 
name="line.138"></a>
+<span class="sourceLineNo">139</span>          LOG.trace("The chunk pool is 
full. Reached maxCount= " + this.pool.getMaxCount()<a name="line.139"></a>
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onheap.");<a name="line.140"></a>
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name="line.144"></a>
+<span class="sourceLineNo">145</span>      // the second parameter explains 
whether CellChunkMap index is requested,<a name="line.145"></a>
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demand chunk mapping into chunkIdMap<a name="line.146"></a>
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chunkIndexType, size);<a name="line.147"></a>
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+<span class="sourceLineNo">149</span><a name="line.149"></a>
+<span class="sourceLineNo">150</span>    // now we need to actually do the 
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+<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>
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special size, bigger than a regular chunk size.<a name="line.157"></a>
+<span class="sourceLineNo">158</span>   * Such a chunk will never come from 
pool and will always be on demand allocated.<a name="line.158"></a>
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initialized<a name="line.159"></a>
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requested chunk is going to be used with CellChunkMap index<a 
name="line.160"></a>
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be used<a name="line.161"></a>
+<span class="sourceLineNo">162</span>   */<a name="line.162"></a>
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getJumboChunk(CompactingMemStore.IndexType chunkIndexType, int jumboSize) {<a 
name="line.163"></a>
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name="line.164"></a>
+<span class="sourceLineNo">165</span>      LOG.warn("Jumbo chunk size " + 
jumboSize + " must be more than regular chunk size "<a name="line.165"></a>
+<span class="sourceLineNo">166</span>          + chunkSize + ". Converting to 
regular chunk.");<a name="line.166"></a>
+<span class="sourceLineNo">167</span>      
getChunk(chunkIndexType,chunkSize);<a name="line.167"></a>
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+<span class="sourceLineNo">169</span>    return getChunk(chunkIndexType, 
jumboSize);<a name="line.169"></a>
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+<span class="sourceLineNo">171</span><a name="line.171"></a>
+<span class="sourceLineNo">172</span>  /**<a name="line.172"></a>
+<span class="sourceLineNo">173</span>   * Creates the chunk either onheap or 
offheap<a name="line.173"></a>
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have to be created which will be used by the Pool<a name="line.174"></a>
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requested chunk is going to be used with CellChunkMap index<a 
name="line.175"></a>
+<span class="sourceLineNo">176</span>   * @param size the size of the chunk to 
be allocated, in bytes<a name="line.176"></a>
+<span class="sourceLineNo">177</span>   * @return the chunk<a 
name="line.177"></a>
+<span class="sourceLineNo">178</span>   */<a name="line.178"></a>
+<span class="sourceLineNo">179</span>  private Chunk createChunk(boolean pool, 
CompactingMemStore.IndexType chunkIndexType, int size) {<a name="line.179"></a>
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name="line.180"></a>
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name="line.181"></a>
+<span class="sourceLineNo">182</span>    assert id &gt; 0;<a 
name="line.182"></a>
+<span class="sourceLineNo">183</span>    // do not create offheap chunk on 
demand<a name="line.183"></a>
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name="line.184"></a>
+<span class="sourceLineNo">185</span>      chunk = new OffheapChunk(size, id, 
pool);<a name="line.185"></a>
+<span class="sourceLineNo">186</span>    } else {<a name="line.186"></a>
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pool);<a name="line.187"></a>
+<span class="sourceLineNo">188</span>    }<a name="line.188"></a>
+<span class="sourceLineNo">189</span>    if (pool || (chunkIndexType == 
CompactingMemStore.IndexType.CHUNK_MAP)) {<a name="line.189"></a>
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chunkIdMap so it is not GC-ed<a name="line.190"></a>
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chunk);<a name="line.191"></a>
+<span class="sourceLineNo">192</span>    }<a name="line.192"></a>
+<span class="sourceLineNo">193</span>    return chunk;<a name="line.193"></a>
+<span class="sourceLineNo">194</span>  }<a name="line.194"></a>
+<span class="sourceLineNo">195</span><a name="line.195"></a>
+<span class="sourceLineNo">196</span>  // Chunks from pool are created covered 
with strong references anyway<a name="line.196"></a>
+<span class="sourceLineNo">197</span>  // TODO: change to CHUNK_MAP if it is 
generally defined<a name="line.197"></a>
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name="line.198"></a>
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CompactingMemStore.IndexType.ARRAY_MAP, chunkSize);<a name="line.199"></a>
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+<span class="sourceLineNo">201</span><a name="line.201"></a>
+<span class="sourceLineNo">202</span>  @VisibleForTesting<a 
name="line.202"></a>
+<span class="sourceLineNo">203</span>  // Used to translate the ChunkID into a 
chunk ref<a name="line.203"></a>
+<span class="sourceLineNo">204</span>  Chunk getChunk(int id) {<a 
name="line.204"></a>
+<span class="sourceLineNo">205</span>    // can return null if chunk was never 
mapped<a name="line.205"></a>
+<span class="sourceLineNo">206</span>    return chunkIdMap.get(id);<a 
name="line.206"></a>
+<span class="sourceLineNo">207</span>  }<a name="line.207"></a>
+<span class="sourceLineNo">208</span><a name="line.208"></a>
+<span class="sourceLineNo">209</span>  int getChunkSize() {<a 
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+<span class="sourceLineNo">210</span>    return this.chunkSize;<a 
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+<span class="sourceLineNo">211</span>  }<a name="line.211"></a>
+<span class="sourceLineNo">212</span><a name="line.212"></a>
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name="line.214"></a>
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+<span class="sourceLineNo">216</span><a name="line.216"></a>
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removeChunks(Set&lt;Integer&gt; chunkIDs) {<a name="line.217"></a>
+<span class="sourceLineNo">218</span>    
this.chunkIdMap.keySet().removeAll(chunkIDs);<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>  Chunk removeChunk(int chunkId) {<a 
name="line.221"></a>
+<span class="sourceLineNo">222</span>    return 
this.chunkIdMap.remove(chunkId);<a name="line.222"></a>
+<span class="sourceLineNo">223</span>  }<a name="line.223"></a>
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initialCount; i++) {<a name="line.229"></a>
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it is generally defined<a name="line.231"></a>
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name="line.233"></a>
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name="line.234"></a>
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-<span class="sourceLineNo">236</span>      chunkCount.set(initialCount);<a 
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Thread.currentThread().getName();<a name="line.237"></a>
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Executors.newScheduledThreadPool(1, new ThreadFactoryBuilder()<a 
name="line.238"></a>
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"-MemStoreChunkPool Statistics").setDaemon(true).build());<a 
name="line.239"></a>
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this.scheduleThreadPool.scheduleAtFixedRate(new StatisticsThread(), 
statThreadPeriod,<a name="line.240"></a>
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TimeUnit.SECONDS);<a name="line.241"></a>
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it if not null, else create a new chunk to return if we have<a 
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count. When we have already created max allowed chunks and<a 
name="line.246"></a>
-<span class="sourceLineNo">247</span>     * no free chunks as of now, return 
null. It is the responsibility of the caller to make a chunk<a 
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name="line.250"></a>
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name="line.251"></a>
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reclaimedChunks.poll();<a name="line.254"></a>
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{<a name="line.262"></a>
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(this.chunkCount.compareAndSet(created, created + 1)) {<a name="line.263"></a>
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CHUNK_MAP if it is generally defined<a name="line.264"></a>
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-<span class="sourceLineNo">266</span>              break;<a 
name="line.266"></a>
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statThreadPeriod = 60 * 5;<a name="line.254"></a>
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initialCount; i++) {<a name="line.262"></a>
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"-MemStoreChunkPool Statistics").setDaemon(true).build());<a 
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this.scheduleThreadPool.scheduleAtFixedRate(new StatisticsThread(), 
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ChunkCreator.this.removeChunk(c.getId());<a name="line.318"></a>
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super("MemStoreChunkPool.StatisticsThread");<a name="line.324"></a>
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created<a name="line.339"></a>
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reused<a name="line.340"></a>
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{<a name="line.359"></a>
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StringUtils.byteDesc(getChunkSize()) + ", max count " + maxCount<a 
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+<span class="sourceLineNo">409</span>        + ", initial count " + 
initialCount);<a name="line.409"></a>
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 <span class="sourceLineNo">411</span>  }<a name="line.411"></a>
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