Scott Blum created SOLR-8696:
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Summary: Optimize overseer + startup
Key: SOLR-8696
URL: https://issues.apache.org/jira/browse/SOLR-8696
Project: Solr
Issue Type: Improvement
Components: SolrCloud
Affects Versions: 5.4.1
Reporter: Scott Blum
ZkController.publishAndWaitForDownStates() occurs before overseer election.
That means if there is currently no overseer, there is ironically no one to
actually service the down state changes it's waiting on. This particularly
affects a single-node cluster such as you might run locally for development.
Additionally, we're doing an unnecessary ZkStateReader forced refresh on over
Overseer operation. This isn't necessary because ZkStateReader keeps itself up
to date.
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