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https://issues.apache.org/jira/browse/SOLR-8745?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15291600#comment-15291600
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ASF subversion and git services commented on SOLR-8745:
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Commit b663e5bcad9974f2d80c16b85c862407a38290e0 in lucene-solr's branch
refs/heads/branch_6_0 from [~dragonsinth]
[ https://git-wip-us.apache.org/repos/asf?p=lucene-solr.git;h=b663e5b ]
SOLR-8973: Zookeeper frenzy when a core is first created.
For branch_6_0: Modified ZkStateReaderTest to use
ZkStateReader.updateClusterState() instead of .forceUpdateCollection(), since
SOLR-8745 will land in 6.1.
> Deprecate ZkStateReader.updateClusterState(), remove uses
> ---------------------------------------------------------
>
> Key: SOLR-8745
> URL: https://issues.apache.org/jira/browse/SOLR-8745
> Project: Solr
> Issue Type: Improvement
> Components: SolrCloud
> Affects Versions: 5.4.1
> Reporter: Scott Blum
> Assignee: Shalin Shekhar Mangar
> Labels: patch, performance, solrcloud
> Fix For: 6.1, master (7.0)
>
> Attachments: SOLR-8745.patch, SOLR-8745.patch
>
>
> Forcing a full ZK cluster state update creates a lot of unnecessary work and
> load at scale. We need to deprecate and remove existing callers.
> - The one at the start of ClusterStateUpdater thread is fine, it's a one-time
> thing.
> - The one in OverseerCollectionMessageHandler is getting removed in SOLR-8722
> - The rest of them can be replaced with a version that only updates a single
> collection; not everything!
> Patch will be forthcoming.
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