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https://issues.apache.org/jira/browse/CASSANDRA-12701?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15560934#comment-15560934
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Nate McCall commented on CASSANDRA-12701:
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[~jjirsa] +1 Patch looks fine. Your linked tests have failures, but have
nothing to do with these system tables and are on several recent builds.
(Thanks, [~bradfordcp]!)
> Repair history tables should have TTL and TWCS
> ----------------------------------------------
>
> Key: CASSANDRA-12701
> URL: https://issues.apache.org/jira/browse/CASSANDRA-12701
> Project: Cassandra
> Issue Type: Improvement
> Components: Core
> Reporter: Chris Lohfink
> Labels: lhf
> Attachments: CASSANDRA-12701.txt
>
>
> Some tools schedule a lot of small subrange repairs which can lead to a lot
> of repairs constantly being run. These partitions can grow pretty big in
> theory. I dont think much reads from them which might help but its still
> kinda wasted disk space. I think a month TTL (longer than gc grace) and maybe
> a 1 day twcs window makes sense to me.
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