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https://issues.apache.org/jira/browse/KAFKA-969?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13705490#comment-13705490
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Joel Koshy commented on KAFKA-969:
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As I already said, I'm +1 on this patch for what it intends to address. Those
two issues I mentioned are orthogonal. By "above" in my comment I was referring
to the possible expectation from consumers: ".. from a consumer's perspective
to expect that returned streams be empty at first, and whenever brokers and
topics show up, then events should just show up." - not the "failed to
rebalance issue".
> Need to prevent failure of rebalance when there are no brokers available when
> consumer comes up
> -----------------------------------------------------------------------------------------------
>
> Key: KAFKA-969
> URL: https://issues.apache.org/jira/browse/KAFKA-969
> Project: Kafka
> Issue Type: Bug
> Reporter: Sriram Subramanian
> Assignee: Sriram Subramanian
> Fix For: 0.8
>
> Attachments: emptybrokeronrebalance-1.patch
>
>
> There are some rare instances when a consumer would be up before bringing up
> the Kafka brokers. This would usually happen in a test scenario. In such
> conditions, during rebalance instead of failing the rebalance we just log the
> error and subscribe to broker changes. When the broker comes back up, we
> trigger the rebalance.
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