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https://issues.apache.org/jira/browse/CASSANDRA-5220?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14509113#comment-14509113
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Ryan McGuire commented on CASSANDRA-5220:
-----------------------------------------
Hi [~molsson], I'm happy to run some of my own testing on this, but I'm having
trouble applying your patch. Can you rebase it or let me know what git SHA your
patch applies to?
> Repair improvements when using vnodes
> -------------------------------------
>
> Key: CASSANDRA-5220
> URL: https://issues.apache.org/jira/browse/CASSANDRA-5220
> Project: Cassandra
> Issue Type: Improvement
> Components: Core
> Affects Versions: 1.2.0 beta 1
> Reporter: Brandon Williams
> Labels: performance, repair
> Attachments: 5220-yourkit.png, 5220-yourkit.tar.bz2,
> cassandra-3.0-5220.patch
>
>
> Currently when using vnodes, repair takes much longer to complete than
> without them. This appears at least in part because it's using a session per
> range and processing them sequentially. This generates a lot of log spam
> with vnodes, and while being gentler and lighter on hard disk deployments,
> ssd-based deployments would often prefer that repair be as fast as possible.
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