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Posted to issues@hbase.apache.org by "Lars Hofhansl (JIRA)" <ji...@apache.org> on 2015/10/15 08:06:05 UTC

[jira] [Updated] (HBASE-14613) Remove MemStoreChunkPool?

     [ https://issues.apache.org/jira/browse/HBASE-14613?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Lars Hofhansl updated HBASE-14613:
----------------------------------
    Attachment: 14613-0.98.txt

Trivial patch. Simply remove the chunk pool and all its uses. Also allow a slight clean up of MemStoreLAB, as we no longer need to reference count chunks for how many scanner use 'em.

> Remove MemStoreChunkPool?
> -------------------------
>
>                 Key: HBASE-14613
>                 URL: https://issues.apache.org/jira/browse/HBASE-14613
>             Project: HBase
>          Issue Type: Brainstorming
>            Reporter: Lars Hofhansl
>            Priority: Minor
>         Attachments: 14613-0.98.txt
>
>
> I just stumbled across MemStoreChunkPool. The idea behind is to reuse chunks of allocations rather than letting the GC handle this.
> Now, it's off by default, and it seems to me to be of dubious value. I'd recommend just removing it.



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