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https://issues.apache.org/jira/browse/SOLR-9310?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15392412#comment-15392412
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Pushkar Raste commented on SOLR-9310:
-------------------------------------
Another question.
Why update commands with flag {{REPLAY}} are not buffered in
{{DistributedUpdateProcessor.versionAdd()}} but update commands with flag
{{PEER_SYNC}} are.
Also even you ask for IndexFingerPrint of a specific version, you will end up
sending {{Long.MAX_VALUE}} while asking for versions to
{{RealTimeGetComponent}}.
Given all different race conditions, I am not sure how much we really gain out
of fingerprint check
> 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: 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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