Shalin Shekhar Mangar created SOLR-9014:
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Summary: Audit all usages of ClusterState methods which may make
calls to ZK via the lazy collection reference
Key: SOLR-9014
URL: https://issues.apache.org/jira/browse/SOLR-9014
Project: Solr
Issue Type: Improvement
Components: SolrCloud
Reporter: Shalin Shekhar Mangar
Fix For: master, 6.1
ClusterState has a bunch of methods such as getSlice and getReplica which
internally call getCollectionOrNull that ends up making a call to ZK via the
lazy collection reference. Many classes use these methods even though a
DocCollection object is available. In such cases, multiple redundant calls to
ZooKeeper are made.
We should audit all usages of these methods and replace them with calls to
appropriate DocCollection methods.
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