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https://issues.apache.org/jira/browse/KAFKA-2525?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jason Gustafson updated KAFKA-2525:
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Fix Version/s: (was: 0.10.1.0)
0.10.2.0
> Update ConsumerPerformance.scala to report join group time (new consumer)
> -------------------------------------------------------------------------
>
> Key: KAFKA-2525
> URL: https://issues.apache.org/jira/browse/KAFKA-2525
> Project: Kafka
> Issue Type: Improvement
> Reporter: Geoff Anderson
> Assignee: Geoff Anderson
> Priority: Minor
> Fix For: 0.10.2.0
>
>
> The patch for https://issues.apache.org/jira/browse/KAFKA-2489 adds a small
> amount of logic to ConsumerPerformance.scala which triggers consumer offsets
> topic creation/group join etc. before consumer performance is measured.
> In https://github.com/apache/kafka/pull/179, [~gwenshap] pointed out that for
> detecting regressions, it may be useful with the new consumer to report group
> join time in addition to the other stats.
> The only tricky bit here is that this "consumer preparation" time also
> includes time required to create the consumer offsets topic, so we'd like to
> trigger creation of consumer offsets topic and make sure it's complete before
> moving on the the "join group" phase.
> The solution here may be as simple as calling
> consumer.partitionsFor(consumerOffsetTopic) to trigger a metadata request
> (and hence topic creation)
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