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Posted to dev@hbase.apache.org by "Anoop Sam John (JIRA)" <ji...@apache.org> on 2016/11/11 05:14:58 UTC

[jira] [Created] (HBASE-17071) Do not initialize MemstoreChunkPool when use mslab option is turned off

Anoop Sam John created HBASE-17071:
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             Summary: Do not initialize MemstoreChunkPool when use mslab option is turned off
                 Key: HBASE-17071
                 URL: https://issues.apache.org/jira/browse/HBASE-17071
             Project: HBase
          Issue Type: Sub-task
    Affects Versions: 2.0.0
            Reporter: Anoop Sam John
            Assignee: Anoop Sam John
             Fix For: 2.0.0


This is a 2.0 only issue and induced by HBASE-16407. 
We are initializing MSLAB chunk pool along with RS start itself now. (To pass it as a HeapMemoryTuneObserver).
When MSLAB is turned off  (ie. hbase.hregion.memstore.mslab.enabled is configured false) we should not be initializing MSLAB chunk pool at all.  By default the initial chunk count to be created will be 0 only.  Still better to avoid.



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