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https://issues.apache.org/jira/browse/KAFKA-1530?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15425454#comment-15425454
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Alexey Ozeritskiy commented on KAFKA-1530:
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I think this ticket may be closed
unclean.leader.election.enable=false helps us
Also we've developed tool kafka-restarter that restarts kafka node by node and
controls isr status.
And we've developed tool fix-isr that can fix isr after cluster power failure.
> howto update continuously
> -------------------------
>
> Key: KAFKA-1530
> URL: https://issues.apache.org/jira/browse/KAFKA-1530
> Project: Kafka
> Issue Type: Wish
> Reporter: Stanislav Gilmulin
> Assignee: Guozhang Wang
> Priority: Minor
> Labels: operating_manual, performance
>
> Hi,
>
> Could I ask you a question about the Kafka update procedure?
> Is there a way to update software, which doesn't require service interruption
> or lead to data losses?
> We can't stop message brokering during the update as we have a strict SLA.
>
> Best regards
> Stanislav Gilmulin
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