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Posted to dev@curator.apache.org by "Borja Bravo Alférez (JIRA)" <ji...@apache.org> on 2017/11/28 10:29:00 UTC
[jira] [Commented] (CURATOR-444) LeaderLatch sends events that
leads to simultaneously leadership after blocking zookeeper peer
communication
[ https://issues.apache.org/jira/browse/CURATOR-444?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16268521#comment-16268521 ]
Borja Bravo Alférez commented on CURATOR-444:
---------------------------------------------
Added a pull request. Still need to find a way to test it. But any feedback is will be welcome:
https://github.com/apache/curator/pull/243
> LeaderLatch sends events that leads to simultaneously leadership after blocking zookeeper peer communication
> ------------------------------------------------------------------------------------------------------------
>
> Key: CURATOR-444
> URL: https://issues.apache.org/jira/browse/CURATOR-444
> Project: Apache Curator
> Issue Type: Bug
> Components: Recipes
> Affects Versions: 2.12.0, 4.0.0
> Environment: Linux
> Reporter: Borja Bravo Alférez
> Priority: Critical
> Attachments: blockZookeeperPort.sh
>
>
> How to reproduce de error:
> - 3 Zookeeper nodes.
> - Using LeaderLatch recipe with a listener.
> - We block the zookeeper network with the attached script. It blocks communication between zookeepers. Note that comunication is lost only for 10 seconds that is exactly our default session timeout.
> Our curator configuration:
> - Base sleep 100ms
> - Max sleep 5000ms
> - Default connection timeout 15000ms
> - Default Session timeout 10000ms
> I am working with a pull request. Fix seems trivial but creating the test not so much.
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