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Posted to dev@hbase.apache.org by "stack (JIRA)" <ji...@apache.org> on 2015/02/07 01:20:35 UTC

[jira] [Resolved] (HBASE-12897) Minimum memstore size is a percentage

     [ https://issues.apache.org/jira/browse/HBASE-12897?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

stack resolved HBASE-12897.
---------------------------
       Resolution: Fixed
    Fix Version/s: 1.1.0
                   2.0.0
                   1.0.0
     Hadoop Flags: Reviewed

Pushed to branch-1+

This patch doesn't work for 0.98. Its different.

Thanks [~churromorales]

> Minimum memstore size is a percentage
> -------------------------------------
>
>                 Key: HBASE-12897
>                 URL: https://issues.apache.org/jira/browse/HBASE-12897
>             Project: HBase
>          Issue Type: Bug
>    Affects Versions: 2.0.0, 0.98.10, 1.1.0
>            Reporter: churro morales
>            Assignee: churro morales
>             Fix For: 1.0.0, 2.0.0, 1.1.0
>
>         Attachments: HBASE-12897.patch
>
>
> We have a cluster which is optimized for random reads.  Thus we have a large block cache and a small memstore.  Currently our heap is 20GB and we wanted to configure the memstore to take 4% or 800MB.  Right now the minimum memstore size is 5%.  What do you guys think about reducing the minimum size to 1%?  Suppose we log a warning if the memstore is below 5% but allow it?
> What do you folks think? 



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