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From Germán Kondolf (JIRA) <>
Subject [jira] Created: (CASSANDRA-1876) Allow minor Parallel Compaction
Date Fri, 17 Dec 2010 16:26:01 GMT
Allow minor Parallel Compaction

                 Key: CASSANDRA-1876
             Project: Cassandra
          Issue Type: Improvement
            Reporter: Germán Kondolf
            Priority: Minor


According to the dev's list discussion (1) I've patched the CompactionManager to allow parallel

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.


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