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https://issues.apache.org/jira/browse/SOLR-9310?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15417909#comment-15417909
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Yonik Seeley commented on SOLR-9310:
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bq. My fix is not to buffer updates commands that have PEER_SYNC flag on it.
Ah, I see... I had no idea that PEER_SYNC updates were buffered (I don't recall
that being intentional at least).
That would prevent updates obtained from the leader and applied to the replica
from being included in the fingerprint on the replica after the peersync.
> PeerSync fails on a node restart due to IndexFingerPrint mismatch
> -----------------------------------------------------------------
>
> Key: SOLR-9310
> URL: https://issues.apache.org/jira/browse/SOLR-9310
> Project: Solr
> Issue Type: Bug
> Security Level: Public(Default Security Level. Issues are Public)
> Reporter: Pushkar Raste
> Assignee: Noble Paul
> Attachments: PeerSync_Experiment.patch, SOLR-9310.patch,
> SOLR-9310.patch, SOLR-9310.patch, SOLR-9310.patch
>
>
> I found that Peer Sync fails if a node restarts and documents were indexed
> while node was down. IndexFingerPrint check fails after recovering node
> applies updates.
> This happens only when node restarts and not if node just misses updates due
> reason other than it being down.
> Please check attached patch for the test.
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