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https://issues.apache.org/jira/browse/HBASE-16613?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Ted Yu updated HBASE-16613:
---------------------------
Summary: Return the unused ByteBuffer to BoundedByteBufferPool when no cell
is retrieved from the CellScanner (was: Return the unused ByteBuffer to
BoundedByteBufferPool when no cell is got from the CellScanner)
> Return the unused ByteBuffer to BoundedByteBufferPool when no cell is
> retrieved from the CellScanner
> ----------------------------------------------------------------------------------------------------
>
> Key: HBASE-16613
> URL: https://issues.apache.org/jira/browse/HBASE-16613
> Project: HBase
> Issue Type: Bug
> Reporter: ChiaPing Tsai
> Assignee: ChiaPing Tsai
> Fix For: 1.3.0, 1.4.0, 1.2.4
>
> Attachments: HBASE-16613.branch-1.v0.patch,
> HBASE-16613.branch-1.v1.patch, HBASE-16613.branch-1.v1.patch
>
>
> The critical code is shown below:
> {code:title=IPCUtil.java|borderStyle=solid}
> // We should put the ByteBuffer into pool before return null
> public ByteBuffer buildCellBlock(final Codec codec, final CompressionCodec
> compressor,
> final CellScanner cellScanner, final BoundedByteBufferPool pool) {
> ...
> if (pool != null) {
> ByteBuffer bb = pool.getBuffer();
> bufferSize = bb.capacity();
> baos = new ByteBufferOutputStream(bb);
> }
> ...
> int count = 0;
> while (cellScanner.advance()) {
> encoder.write(cellScanner.current());
> count++;
> }
> encoder.flush();
> if (count == 0) return null;
> }
> {code}
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