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Posted to dev@kafka.apache.org by "Jun Rao (JIRA)" <ji...@apache.org> on 2012/08/22 05:42:38 UTC
[jira] [Assigned] (KAFKA-420) maintain HW correctly with only 1
replica in ISR
[ https://issues.apache.org/jira/browse/KAFKA-420?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jun Rao reassigned KAFKA-420:
-----------------------------
Assignee: Jun Rao
> maintain HW correctly with only 1 replica in ISR
> ------------------------------------------------
>
> Key: KAFKA-420
> URL: https://issues.apache.org/jira/browse/KAFKA-420
> Project: Kafka
> Issue Type: Bug
> Components: core
> Affects Versions: 0.8
> Reporter: Jun Rao
> Assignee: Jun Rao
> Labels: bugs
> Attachments: kafka-420_v1.patch
>
> Original Estimate: 72h
> Remaining Estimate: 72h
>
> Currently, the HW maintenance logic is only triggered when handling fetch requests from the follower. As a result, if the ISR has only 1 replica, the HW won't be incremented since there is no request from the follower to trigger the maintenance logic.
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