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HBASE-13819 Make RPC layer CellBlock buffer a DirectByteBuffer.

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This commit is contained in:
anoopsjohn 2015-10-13 07:57:53 +05:30
parent ac82a86320
commit 6143b7694c
1 changed files with 3 additions and 1 deletions
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4
hbase-common/src/main/java/org/apache/hadoop/hbase/io/BoundedByteBufferPool.java
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@ -43,6 +43,8 @@ import com.google.common.annotations.VisibleForTesting;
* achieve a particular 'run' size over time give or take a few extremes. Set TRACE level on this * achieve a particular 'run' size over time give or take a few extremes. Set TRACE level on this
* class for a couple of seconds to get reporting on how it is running when deployed. * class for a couple of seconds to get reporting on how it is running when deployed.
* *
* <p>This pool returns off heap ByteBuffers.
*
* <p>This class is thread safe. * <p>This class is thread safe.
*/ */
@InterfaceAudience.Private @InterfaceAudience.Private
@ -94,7 +96,7 @@ public class BoundedByteBufferPool {
// Clear sets limit == capacity. Postion == 0. // Clear sets limit == capacity. Postion == 0.
bb.clear(); bb.clear();
} else { } else {
bb = ByteBuffer.allocate(this.runningAverage); bb = ByteBuffer.allocateDirect(this.runningAverage);
this.allocations.incrementAndGet(); this.allocations.incrementAndGet();
} }
if (LOG.isTraceEnabled()) { if (LOG.isTraceEnabled()) {