Erick Erickson created SOLR-6482:
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Summary: Add an onlyIfDown flag for DELETEREPLICA collections API
command
Key: SOLR-6482
URL: https://issues.apache.org/jira/browse/SOLR-6482
Project: Solr
Issue Type: Improvement
Components: SolrCloud
Affects Versions: 5.0, 4.11
Reporter: Erick Erickson
Assignee: Erick Erickson
Priority: Minor
Having the DELETEREPLICA delete the index is scary for some situations,
especially ones in which the operations people are taking more explicit control
of the topology of their cluster. As we move towards ZK being the "one source
of truth" and deleting replicas that then come back up, this is even scarier.
I propose to have an optional flag onlyIfDown that remove the replica from the
ZK cluster state if (and only if) the node was offline. Default value: false.
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