Speedup HFile.Writer append
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Key: HBASE-3514
URL: https://issues.apache.org/jira/browse/HBASE-3514
Project: HBase
Issue Type: Improvement
Components: io
Affects Versions: 0.90.0
Reporter: Matteo Bertozzi
Priority: Minor
Attachments: HBASE-3514-append.patch
Remove double writes when block cache is specified, by using, only, the
ByteArrayDataStream.
baos is flushed with the compress stream on finishBlock.
On my machines HFilePerformanceEvaluation SequentialWriteBenchmark passes from
4000ms to 2500ms.
Running SequentialWriteBenchmark for 1000000 rows took 4247ms.
Running SequentialWriteBenchmark for 1000000 rows took 4512ms.
Running SequentialWriteBenchmark for 1000000 rows took 4498ms.
Running SequentialWriteBenchmark for 1000000 rows took 2697ms.
Running SequentialWriteBenchmark for 1000000 rows took 2770ms.
Running SequentialWriteBenchmark for 1000000 rows took 2721ms.
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