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https://issues.apache.org/jira/browse/CASSANDRA-1876?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12973984#action_12973984
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Germán Kondolf commented on CASSANDRA-1876:
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Certainly we didn't see that, perhaps for not knowing deeply the code, the
"logic" SSTable seemed simple and feasible.
Thanks for your feedback, if we had pursued this path we could end up in the
same place where we started, like you said.
It still being noicy that you pass the same data several times a day from an
SSTable to another one.
Regards,
Germán
> Allow minor Parallel Compaction
> -------------------------------
>
> Key: CASSANDRA-1876
> URL: https://issues.apache.org/jira/browse/CASSANDRA-1876
> Project: Cassandra
> Issue Type: Improvement
> Reporter: Germán Kondolf
> Priority: Minor
> Attachments: 1876-reformatted.txt, compactionPatch-V2.txt
>
>
> Hi,
> According to the dev's list discussion (1) I've patched the CompactionManager
> to allow parallel compaction.
> Mainly it splits the sstables to compact in the desired buckets, configured
> by a new parameter: compaction_parallelism with the current default of "1".
> Then, it just submits the units of work to a new executor and waits for the
> finalization.
> The patch was created in the trunk, so I don't know the exact affected
> version, I assume that is 0.8.
> I'll try to apply this patch to 0.6.X also for my current production
> installation, and then reattach it.
> (1) http://markmail.org/thread/cldnqfh3s3nufnke
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