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From "Anoop Sam John (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-10750) Pluggable MemStoreLAB
Date Tue, 25 Mar 2014 13:32:20 GMT

     [ https://issues.apache.org/jira/browse/HBASE-10750?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Anoop Sam John updated HBASE-10750:

       Resolution: Fixed
    Fix Version/s: 0.99.0
     Release Note: 
The default implementation of the MemStore optionally can use a MSLAB. This jira makes it
also pluggable. Configure the FQCN of the impl class against the config key "hbase.regionserver.mslab.class"
to plugin a custom implementation

     Hadoop Flags: Reviewed
           Status: Resolved  (was: Patch Available)

Committed to trunk.  Thanks for the reviews.

> Pluggable MemStoreLAB
> ---------------------
>                 Key: HBASE-10750
>                 URL: https://issues.apache.org/jira/browse/HBASE-10750
>             Project: HBase
>          Issue Type: Sub-task
>          Components: regionserver
>            Reporter: Anoop Sam John
>            Assignee: Anoop Sam John
>             Fix For: 0.99.0
>         Attachments: HBASE-10750.patch, HBASE-10750_V2.patch, HBASE-10750_V3.patch
> This can allow one to have offheap MSLAB also. 
> The allocate() returns a byte[] now. This has to be changed to ByteRange so that the
impl can return on heap byte[] backed BR or offheap buffer backed BR.

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