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https://issues.apache.org/jira/browse/CASSANDRA-3635?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13170417#comment-13170417
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Jonathan Ellis commented on CASSANDRA-3635:
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bq. I am starting to think that we can do repairs one by one for a range
(within a region
You mean if you have replicas A B C, comparing A and B before comparing A and
C? The downside there is you now have to validate twice, or they will be too
out of sync.
> Throttle validation separately from other compaction
> ----------------------------------------------------
>
> Key: CASSANDRA-3635
> URL: https://issues.apache.org/jira/browse/CASSANDRA-3635
> Project: Cassandra
> Issue Type: Improvement
> Components: Core
> Reporter: Sylvain Lebresne
> Assignee: Sylvain Lebresne
> Priority: Minor
> Labels: repair
> Fix For: 0.8.10, 1.0.7
>
> Attachments: 0001-separate-validation-throttling.patch
>
>
> Validation compaction is fairly ressource intensive. It is possible to
> throttle it with other compaction, but there is cases where you really want
> to throttle it rather aggressively but don't necessarily want to have minor
> compactions throttled that much. The goal is to (optionally) allow to set a
> separate throttling value for validation.
> PS: I'm not pretending this will solve every repair problem or anything.
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