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From "ramkrishna.s.vasudevan (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-18442) Speed up Memstore chunk pool ByteBuffer allocations
Date Mon, 21 Aug 2017 09:01:00 GMT

     [ https://issues.apache.org/jira/browse/HBASE-18442?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

ramkrishna.s.vasudevan updated HBASE-18442:
-------------------------------------------
    Status: Patch Available  (was: Open)

> 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
>
>         Attachments: HBASE-18442_1.patch
>
>
> 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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