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Posted to dev@lucene.apache.org by "Scott Blum (JIRA)" <ji...@apache.org> on 2016/02/27 01:53:18 UTC

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

Scott Blum created SOLR-8745:
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             Summary: 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


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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