GitHub user wlsc opened a pull request:
https://github.com/apache/kafka/pull/2697
MINOR: fixed memory pollution in KafkaConsumer
This PL fixes memory pollution in KafkaConsumer by removing creation of the
unnecessary HashSet each time we need to create unmodifiableSet and using
unmodifiableMap when we just need to commit offsets.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/wlsc/kafka trunk
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/kafka/pull/2697.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 #2697
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commit 2d71b1f4b90680ad4eeac7b13c85373a19127c98
Author: Wladimir Schmidt <wlsc....@gmail.com>
Date: 2017-03-16T20:35:44Z
* exchanged HashMap with unmodifiableMap in KafkaConsumer (commitSync and
commitAsync functions)
commit 0cdd0d691fd67800674833a5809b357ee6dc4afa
Author: Wladimir Schmidt <wlsc....@gmail.com>
Date: 2017-03-16T20:45:54Z
* fixed memory pollution due to unnecessary creation of additional HashMap
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