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https://issues.apache.org/jira/browse/SOLR-6920?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Mark Miller resolved SOLR-6920.
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Resolution: Fixed
Fix Version/s: Trunk
5.0
Thanks Varun, great job.
> During replication use checksums to verify if files are the same
> ----------------------------------------------------------------
>
> Key: SOLR-6920
> URL: https://issues.apache.org/jira/browse/SOLR-6920
> Project: Solr
> Issue Type: Bug
> Components: replication (java)
> Reporter: Varun Thacker
> Assignee: Mark Miller
> Priority: Critical
> Fix For: 5.0, Trunk
>
> Attachments: SOLR-6920-5x.patch, SOLR-6920-5x.patch,
> SOLR-6920-5x.patch, SOLR-6920-5x.patch, SOLR-6920.patch, SOLR-6920.patch,
> SOLR-6920.patch, SOLR-6920.patch, SOLR-6920.patch, SOLR-6920.patch
>
>
> Currently we check if an index file on the master and slave is the same by
> checking if it's name and file length match.
> With LUCENE-2446 we now have a checksums for each index file in the segment.
> We should leverage this to verify if two files are the same.
> Places like SnapPuller.isIndexStale and SnapPuller.downloadIndexFiles should
> check against the checksum also.
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