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https://issues.apache.org/jira/browse/SOLR-8227?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14994723#comment-14994723
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Timothy Potter commented on SOLR-8227:
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one question that comes to mind is what happens if the replica I'm recovering
from goes into recovery? I guess a related question is what happens today if
the leader changes?
> 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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