Varun Thacker created SOLR-8227:
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Summary: Recovering replicas should be able to recover from any
active replica
Key: SOLR-8227
URL: https://issues.apache.org/jira/browse/SOLR-8227
Project: Solr
Issue Type: Improvement
Reporter: Varun Thacker
Currently when a replica goes into recovery it uses the leader to recover. It
first tries to do a PeerSync. If thats not successful it does a replication.
Most of the times it ends up doing a full replication because segment merging,
autoCommits causing segments to be formed differently on the replicas ( We
should explore improving that in another issue ) .
But when many replicas are recovering and hitting the leader, the leader can
become a bottleneck. Since Solr is a CP system , we should be able to recover
from any of the 'active' replicas instead of just the leader.
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