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https://issues.apache.org/jira/browse/SOLR-11417?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Mano Kovacs updated SOLR-11417:
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Fix Version/s: 7.3
> Crashed leader's hanging emphemral will make restarting followers stuck in
> recovering
> -------------------------------------------------------------------------------------
>
> Key: SOLR-11417
> URL: https://issues.apache.org/jira/browse/SOLR-11417
> Project: Solr
> Issue Type: Bug
> Security Level: Public(Default Security Level. Issues are Public)
> Components: SolrCloud
> Affects Versions: 6.3
> Reporter: Mano Kovacs
> Priority: Major
> Fix For: 7.3
>
> Attachments: SOLR-11417.png
>
>
> If replicas are starting up after leader crash and within the ZK session
> timeout, replicas
> * will lose leader election due to hanging ephemerals
> * will read stale data from ZK about current leader
> * will fail recovery and stuck in recovering state
> If leader is down permanently (eg. hardware failure) and all replicas are
> affected, shard will not come up (see also SOLR-7065).
> Tested on 6.3. See attached image for details.
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