[jira] [Updated] (SOLR-8745) Deprecate ZkStateReader.updateClusterState(), remove uses

["Scott Blum (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SOLR-8745?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Scott Blum updated SOLR-8745:
-----------------------------
    Attachment: SOLR-8745.patch

Patch!

> 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
>              Labels: patch, performance, solrcloud
>         Attachments: 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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