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https://issues.apache.org/jira/browse/KAFKA-2017?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14981552#comment-14981552
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ASF GitHub Bot commented on KAFKA-2017:
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GitHub user guozhangwang opened a pull request:
https://github.com/apache/kafka/pull/386
KAFKA-2017: Persist Group Metadata and Assignment before Responding
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/guozhangwang/kafka K2017
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/kafka/pull/386.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #386
----
commit c00cebd93262ab9e0f1a9ea164902ab7ef0c800a
Author: Guozhang Wang <wangg...@gmail.com>
Date: 2015-10-29T22:07:17Z
move group metadata into offset manager
commit 17a83eb8529a57a97826473919764a02db1ca3b4
Author: Guozhang Wang <wangg...@gmail.com>
Date: 2015-10-29T22:10:50Z
add back package.html
commit 1f2579d941fe25038738ec8e93f8b480ab7e7fe7
Author: Guozhang Wang <wangg...@gmail.com>
Date: 2015-10-29T23:28:32Z
persist synced assignment and client side error handling
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> Persist Coordinator State for Coordinator Failover
> --------------------------------------------------
>
> Key: KAFKA-2017
> URL: https://issues.apache.org/jira/browse/KAFKA-2017
> Project: Kafka
> Issue Type: Sub-task
> Components: consumer
> Affects Versions: 0.9.0.0
> Reporter: Onur Karaman
> Assignee: Guozhang Wang
> Priority: Blocker
> Fix For: 0.9.0.0
>
> Attachments: KAFKA-2017.patch, KAFKA-2017_2015-05-20_09:13:39.patch,
> KAFKA-2017_2015-05-21_19:02:47.patch
>
>
> When a coordinator fails, the group membership protocol tries to failover to
> a new coordinator without forcing all the consumers rejoin their groups. This
> is possible if the coordinator persists its state so that the state can be
> transferred during coordinator failover. This state consists of most of the
> information in GroupRegistry and ConsumerRegistry.
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