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https://issues.apache.org/jira/browse/SOLR-9310?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Pushkar Raste updated SOLR-9310:
--------------------------------
    Attachment: SOLR-9310_3ReplicaTest.patch
                PeerSync_3Node_Setup.jpg

Here is my patch with update test for scenario Noble is concerned about and a 
small diagram depicting what is going on in the test.

Test for my patch still passes.

If it looks good, I will take stab at fixing PeerSync failure (due index 
fingerprint) during active indexing, however, due to race conditions, it might 
not work well. 

Can we setup a call to discuss this ?

> 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_3Node_Setup.jpg, PeerSync_Experiment.patch, 
> SOLR-9310.patch, SOLR-9310.patch, SOLR-9310.patch, SOLR-9310.patch, 
> SOLR-9310_3ReplicaTest.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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