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https://issues.apache.org/jira/browse/SOLR-13410?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16832041#comment-16832041
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Kesharee Nandan Vishwakarma commented on SOLR-13410:
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Adding a patch with mentioned test case.
In case of more than one designated overseer nodes, there will be at least one
transition overseer node before a designated node assumes overseer role. This
is happening because OverseerNodePrioritizer is triggered once we have a new
overseer node upon stopping a designated overseer leader node.
[~ichattopadhyaya] Is there a way we can avoid as well?
> Designated overseer not able to become overseer quickly
> --------------------------------------------------------
>
> Key: SOLR-13410
> URL: https://issues.apache.org/jira/browse/SOLR-13410
> Project: Solr
> Issue Type: Bug
> Security Level: Public(Default Security Level. Issues are Public)
> Components: SolrCloud
> Affects Versions: master (9.0)
> Reporter: Kesharee Nandan Vishwakarma
> Assignee: Ishan Chattopadhyaya
> Priority: Major
> Attachments: SOLR-13410.patch, SOLR-13410.patch, overseerElection.log
>
>
> Whenever a designated overseer node is restarted and overseer role is added
> back if a designated node is not overseer leader following tasks take place:
> 1. one by one nodes from electionNodes list become leader and ask designated
> node `to come join election at head`
> 2. current overseer node Fires Quit command and exits from Overseer Loop
> 3. Next node from `Overseer Loop` becomes leader repeats steps 1,2 until
> designated overseer node becomes the leader
> Problem with above flow: OverseerNodePrioritizer is not able to add
> `designated node` at the head of electionNodes list
> Steps to reproduce:
> # Setup solrcloud with 5 nodes, including one designated overseer
> # Restart overseer container
> Attached relevant logs
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