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https://issues.apache.org/jira/browse/HBASE-1476?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12902250#action_12902250
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Jonathan Gray commented on HBASE-1476:
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HBASE-2405 deals with open/close of regions not compactions? This is more of a
dupe of HBASE-2832 which deals with multi-threading of flushing. The solutions
will be very much the same (using the new EventHandlers) for flushing and
compacting. And again, I'm hoping to do this for 0.90.
> scaling compaction with milti threads
> -------------------------------------
>
> Key: HBASE-1476
> URL: https://issues.apache.org/jira/browse/HBASE-1476
> Project: HBase
> Issue Type: Improvement
> Components: regionserver
> Reporter: Billy Pearson
> Assignee: Jonathan Gray
> Fix For: 0.90.0
>
>
> 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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