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HBASE-13819 Make RPC layer CellBlock buffer a DirectByteBuffer.

This commit is contained in:
anoopsjohn 2015-10-13 07:59:11 +05:30
parent 411683c22b
commit 5dba2c71f7
3 changed files with 12 additions and 5 deletions
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9
hbase-common/src/main/java/org/apache/hadoop/hbase/io/BoundedByteBufferPool.java
View File

@ -67,16 +67,20 @@ public class BoundedByteBufferPool {
private ReentrantLock lock = new ReentrantLock();
private boolean createDirectByteBuffer;
/**
* @param maxByteBufferSizeToCache
* @param initialByteBufferSize
* @param maxToCache
* @param createDirectByteBuffer whether the buffers created by this pool to be off heap
*/
public BoundedByteBufferPool(final int maxByteBufferSizeToCache, final int initialByteBufferSize,
final int maxToCache) {
final int maxToCache, final boolean createDirectByteBuffer) {
this.maxByteBufferSizeToCache = maxByteBufferSizeToCache;
this.runningAverage = initialByteBufferSize;
this.buffers = new BoundedArrayQueue<ByteBuffer>(maxToCache);
this.createDirectByteBuffer = createDirectByteBuffer;
}
public ByteBuffer getBuffer() {
@ -94,7 +98,8 @@ public class BoundedByteBufferPool {
// Clear sets limit == capacity. Postion == 0.
bb.clear();
} else {
bb = ByteBuffer.allocate(this.runningAverage);
bb = this.createDirectByteBuffer ? ByteBuffer.allocateDirect(this.runningAverage)
: ByteBuffer.allocate(this.runningAverage);
this.allocations.incrementAndGet();
}
if (LOG.isTraceEnabled()) {

4
hbase-common/src/test/java/org/apache/hadoop/hbase/io/TestBoundedByteBufferPool.java
View File

@ -37,8 +37,8 @@ public class TestBoundedByteBufferPool {
@Before
public void before() {
this.reservoir =
new BoundedByteBufferPool(maxByteBufferSizeToCache, initialByteBufferSize, maxToCache);
this.reservoir = new BoundedByteBufferPool(maxByteBufferSizeToCache, initialByteBufferSize,
maxToCache, false);
}
@After

4
hbase-server/src/main/java/org/apache/hadoop/hbase/ipc/RpcServer.java
View File

@ -1967,7 +1967,9 @@ public class RpcServer implements RpcServerInterface {
// Make the max twice the number of handlers to be safe.
conf.getInt("hbase.ipc.server.reservoir.initial.max",
conf.getInt(HConstants.REGION_SERVER_HANDLER_COUNT,
HConstants.DEFAULT_REGION_SERVER_HANDLER_COUNT) * 2));
HConstants.DEFAULT_REGION_SERVER_HANDLER_COUNT) * 2),
// By default make direct byte buffers from the buffer pool.
conf.getBoolean("hbase.ipc.server.reservoir.direct.buffer", true));
this.server = server;
this.services = services;
this.bindAddress = bindAddress;