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https://issues.apache.org/jira/browse/CASSANDRA-4292?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Yuki Morishita updated CASSANDRA-4292:
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Attachment: 0001-Fix-writing-sstables-to-wrong-directory-when-compact.patch
Dave,
You are right, attaching fix to chose right directory to write sstable when
compacting.
> Improve JBOD loadbalancing and reduce contention
> ------------------------------------------------
>
> Key: CASSANDRA-4292
> URL: https://issues.apache.org/jira/browse/CASSANDRA-4292
> Project: Cassandra
> Issue Type: Improvement
> Components: Core
> Reporter: Jonathan Ellis
> Assignee: Yuki Morishita
> Fix For: 1.2.0 beta 1
>
> Attachments:
> 0001-Fix-writing-sstables-to-wrong-directory-when-compact.patch, 4292.txt,
> 4292-v2.txt, 4292-v3.txt, 4292-v4.txt
>
>
> As noted in CASSANDRA-809, we have a certain amount of flush (and compaction)
> threads, which mix and match disk volumes indiscriminately. It may be worth
> creating a tight thread -> disk affinity, to prevent unnecessary conflict at
> that level.
> OTOH as SSDs become more prevalent this becomes a non-issue. Unclear how
> much pain this actually causes in practice in the meantime.
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