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https://issues.apache.org/jira/browse/KAFKA-2655?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14957824#comment-14957824
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Ismael Juma commented on KAFKA-2655:
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It would be good to get some actual numbers before we try to optimise. JMH
recommend.
> Consumer.poll(0)'s overhead too large
> -------------------------------------
>
> Key: KAFKA-2655
> URL: https://issues.apache.org/jira/browse/KAFKA-2655
> Project: Kafka
> Issue Type: Sub-task
> Components: consumer
> Reporter: Guozhang Wang
> Assignee: Jason Gustafson
> Fix For: 0.9.0.1
>
>
> Currently with a single partition, even if it is paused, calling poll(0)
> could still be costing as much as 1ms since it triggers a few system calls.
> Some of those can possibly be optimized away.
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