GitHub user xvrl opened a pull request:
https://github.com/apache/kafka/pull/3090
KAFKA-5150 reduce lz4 decompression overhead - Backport to 0.10.2.x
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/xvrl/kafka kafka-5150-0.10
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/kafka/pull/3090.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #3090
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commit 265ee89ec76b223eb97c6b364260443346e6dac1
Author: Xavier Léauté <xav...@confluent.io>
Date: 2017-05-03T17:03:44Z
KAFKA-5150 reduce lz4 decompression overhead
- reuse decompression buffers, keeping one per thread
- switch lz4 input stream to operate directly on ByteBuffers
- more tests with both compressible / incompressible data, multiple
blocks, and various other combinations to increase code coverage
- fixes bug that would cause EOFException instead of invalid block size
for invalid incompressible blocks
commit cef091d0353a8a1f45ac913750f1e0dba04d7ab1
Author: Xavier Léauté <xav...@confluent.io>
Date: 2017-05-05T22:18:55Z
avoid exception when reaching end of batch
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