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https://issues.apache.org/jira/browse/HBASE-1476?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13011578#comment-13011578
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stack commented on HBASE-1476:
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I did a first pass review N over on RB. Good stuff.
> scaling compaction with multiple threads
> ----------------------------------------
>
> Key: HBASE-1476
> URL: https://issues.apache.org/jira/browse/HBASE-1476
> Project: HBase
> Issue Type: Improvement
> Components: regionserver
> Reporter: Billy Pearson
> Assignee: Nicolas Spiegelberg
> Labels: moved_from_0_20_5
> Fix For: 0.92.0
>
>
> Was thinking we should build in support to be able to handle more then one
> thread for compactions this will allow us to keep up with compactions when we
> get to the point where we store Tb's of data per node and may regions
> Maybe a configurable setting to set how many threads a region server can use
> for compactions.
> With compression turned on my compactions are limited by cpu speed with multi
> cores then it would be nice to be able to scale compactions to 2 or more
> cores.
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