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Kafka, mail # dev - [jira] [Commented] (KAFKA-947) isr-expiration-thread may block LeaderAndIsr request for a relatively long period


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[jira] [Commented] (KAFKA-947) isr-expiration-thread may block LeaderAndIsr request for a relatively long period
"Joel Koshy 2013-06-20, 00:57

    [ https://issues.apache.org/jira/browse/KAFKA-947?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13688719#comment-13688719 ]

Joel Koshy commented on KAFKA-947:
----------------------------------

+1 thanks for the patch!
                
> isr-expiration-thread may block LeaderAndIsr request for a relatively long period
> ----------------------------------------------------------------------------------
>
>                 Key: KAFKA-947
>                 URL: https://issues.apache.org/jira/browse/KAFKA-947
>             Project: Kafka
>          Issue Type: Bug
>          Components: core
>    Affects Versions: 0.8.1
>            Reporter: Jun Rao
>            Assignee: Jun Rao
>         Attachments: kafka-947.patch
>
>
> If there are lots of partitions whose isr needs to be shrank, isr-expiration-thread will hold a long lock on leaderPartitionsLock, which will delay LeaderAndIsr requests.

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