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From "Billy Pearson (JIRA)" <j...@apache.org>
Subject [jira] Created: (HBASE-1476) scaling compaction with milti threads
Date Tue, 02 Jun 2009 18:35:07 GMT
scaling compaction with milti threads
-------------------------------------

                 Key: HBASE-1476
                 URL: https://issues.apache.org/jira/browse/HBASE-1476
             Project: Hadoop HBase
          Issue Type: Improvement
            Reporter: Billy Pearson
             Fix For: 0.20.1


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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