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Posted to dev@lucene.apache.org by "Cao Manh Dat (JIRA)" <ji...@apache.org> on 2018/10/09 09:07:00 UTC
[jira] [Resolved] (SOLR-12214) Leader may skip publish itself as
ACTIVE even its last published state is DOWN
[ https://issues.apache.org/jira/browse/SOLR-12214?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Cao Manh Dat resolved SOLR-12214.
---------------------------------
Resolution: Fixed
Fix Version/s: 7.4
> Leader may skip publish itself as ACTIVE even its last published state is DOWN
> ------------------------------------------------------------------------------
>
> Key: SOLR-12214
> URL: https://issues.apache.org/jira/browse/SOLR-12214
> Project: Solr
> Issue Type: Bug
> Security Level: Public(Default Security Level. Issues are Public)
> Reporter: Cao Manh Dat
> Assignee: Cao Manh Dat
> Priority: Major
> Fix For: 7.4
>
> Attachments: SOLR-12214.patch
>
>
> Found this problem on beasting LeaderVoteWaitTimeout,
> * a replica publish itself as DOWN on RecoveryStrategy.pingLeader()
> * It won the election (by vote wait timeout) then skipping publish itself as ACTIVE (by looking into clusterstate, its state still ACTIVE).
> * ends up with a leader with DOWN state!
> Therefore, replica should look into both clusterstate and its local last published state on skipping publish itself as ACTIVE
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