hbase-issues mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Vladimir Rodionov (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-15542) Minimize garbage allocation during compaction
Date Sat, 26 Mar 2016 20:48:25 GMT
Vladimir Rodionov created HBASE-15542:

             Summary: Minimize garbage allocation during compaction
                 Key: HBASE-15542
                 URL: https://issues.apache.org/jira/browse/HBASE-15542
             Project: HBase
          Issue Type: Improvement
          Components: Compaction
    Affects Versions: 2.0.0
            Reporter: Vladimir Rodionov
            Assignee: Vladimir Rodionov
             Fix For: 2.0.0

Compactions are CPU-bound, not I/O bound. We can mitigate this by increasing number of compaction
threads for small and large compactions, but  excessive object allocation limits maximum number
of compaction threads we can use w/o bringing down RS due to very frequent GC cycles.   

This message was sent by Atlassian JIRA

View raw message