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https://issues.apache.org/jira/browse/KAFKA-4447?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15731033#comment-15731033
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ASF GitHub Bot commented on KAFKA-4447:
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GitHub user xiguantiaozhan reopened a pull request:
https://github.com/apache/kafka/pull/2191
KAFKA-4447: Controller resigned but it also acts as a controller for a long
time
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/xiguantiaozhan/kafka avoid_swamp_controllerLog
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/kafka/pull/2191.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 #2191
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commit 4cd2b6bd83558e536b2f330deec177c3dd28e8ff
Author: tuyang <tuy...@meituan.com>
Date: 2016-12-08T03:49:11Z
fix Controller resigned but it also acts as a controller for a long time bug
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> Controller resigned but it also acts as a controller for a long time
> ---------------------------------------------------------------------
>
> Key: KAFKA-4447
> URL: https://issues.apache.org/jira/browse/KAFKA-4447
> Project: Kafka
> Issue Type: Improvement
> Components: controller
> Affects Versions: 0.9.0.0, 0.9.0.1, 0.10.0.0, 0.10.0.1
> Environment: Linux Os
> Reporter: Json Tu
> Labels: reliability
> Attachments: log.tar.gz
>
>
> We have a cluster with 10 nodes，and we execute following operation as below.
> 1.we execute some topic partition reassign from one node to other 9 nodes in
> the cluster, and which triggered controller.
> 2.controller invoke PartitionsReassignedListener's handleDataChange and read
> all partition reassign rules from the zk path, and executed all
> onPartitionReassignment for all partition that match conditions.
> 3.but the controller is expired from zk, after what some nodes of 9 nodes
> also expired from zk.
> 5.then controller invoke onControllerResignation to resigned as the
> controller.
> we found after the controller is resigned, it acts as controller for about 3
> minutes, which can be found in my attachment.
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