Shalin Shekhar Mangar created SOLR-6847:
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Summary: LeaderInitiatedRecoveryThread compares wrong replica's
state with lirState
Key: SOLR-6847
URL: https://issues.apache.org/jira/browse/SOLR-6847
Project: Solr
Issue Type: Bug
Components: SolrCloud
Affects Versions: 4.10.2
Reporter: Shalin Shekhar Mangar
Priority: Minor
Fix For: 5.0, Trunk
LeaderInitiatedRecoveryThread looks at a random replica to figure out if it
should re-publish LIR state to "down". It does however publish the LIR state
for the correct replica.
The bug has always been there. The thread used ZkStateReader.getReplicaProps
method with the coreName to find the correct replica. However, the coreName
parameter in getReplicaProps was un-used and I removed it in SOLR-6240 but I
didn't find and fix this bug then.
The possible side-effects of this bug would be that we may be republish LIR
state multiple times and/or in rare cases, cause double 'requestrecovery' to be
executed on a replica.
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