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From "ramkrishna.s.vasudevan (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-18442) Speed up Memstore chunk pool ByteBuffer allocations
Date Mon, 24 Jul 2017 07:00:00 GMT
ramkrishna.s.vasudevan created HBASE-18442:
----------------------------------------------

             Summary: Speed up Memstore chunk pool ByteBuffer allocations
                 Key: HBASE-18442
                 URL: https://issues.apache.org/jira/browse/HBASE-18442
             Project: HBase
          Issue Type: Improvement
            Reporter: ramkrishna.s.vasudevan
            Assignee: ramkrishna.s.vasudevan
             Fix For: 2.0.0


Like in HBASE-17738 we can speed up the allocation of memstore chunk pool's ByteBuffers. {code}
2017-07-24 17:51:09,726 INFO  [regionserver/stobdtserver6/10.66.254.41:16020] regionserver.ChunkCreator:
Allocating MemStoreChunkPool with chunk size 2 MB, max count 12288, initial count 12288
2017-07-24 17:51:19,642 INFO  [regionserver/stobdtserver6/10.66.254.41:16020] regionserver.HRegionServer:
Serving as stobdtserver6,16020,1500898858958, RpcServer on stobdtserver6/10.66.254.41:16020,
sessionid=0x15d748a9ccc0002
{code}
Allocating 12288 buffers of 2MB size takes around 10 secs. 



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