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https://issues.apache.org/jira/browse/SOLR-6920?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14310806#comment-14310806
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Mark Miller edited comment on SOLR-6920 at 2/8/15 3:08 PM:
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Been thinking about adding this since last night - should go in the trunk
version too - this patch will also download any files under 100kb if there is
no checksum - more future proof for new small files, alternate codec proof, etc.
was (Author: [email protected]):
Been thinking about adding this since last night - should go in the trunk
version too - this patch will also company any files under 100kb if there is no
checksum - more future proof for new small files, alternate codec proof, etc.
> 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
> 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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