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https://issues.apache.org/jira/browse/KAFKA-3463?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Gwen Shapira resolved KAFKA-3463.
---------------------------------
Resolution: Fixed
Issue resolved by pull request 1140
[https://github.com/apache/kafka/pull/1140]
> Change default consumer receive buffer size to 64K
> --------------------------------------------------
>
> Key: KAFKA-3463
> URL: https://issues.apache.org/jira/browse/KAFKA-3463
> Project: Kafka
> Issue Type: Improvement
> Components: consumer
> Reporter: Jason Gustafson
> Assignee: Jason Gustafson
> Fix For: 0.10.0.0
>
>
> In KAFKA-3135, users have reported a strange pause when consuming data using
> the new consumer. This can be easily reproduced with the console consumer,
> but the root cause has so far proven elusive. Interestingly, the pause can
> also be reproduced with the old consumer if you change the socket buffer size
> to 32K to match the new consumer's default. Similarly, by increasing the new
> consumer's connection receive buffer size to 64K to match the old consumer's
> default, the problem seems to be mitigated (I am unable to reproduce it
> locally with this setting, though others have reported that its impact is
> merely reduced). Since there doesn't appear to be a good reason to have
> lowered the default for the new consumer, we may as well revert to the old
> consumer's default of 64K and accept the mitigation until an actual fix is
> found.
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