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From "stack (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HBASE-2844) Capping the number of regions
Date Sun, 08 Aug 2010 16:04:17 GMT

     [ https://issues.apache.org/jira/browse/HBASE-2844?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

stack updated HBASE-2844:

    Attachment: RegionCappingV2.patch

Patch applied (minus the indefinite test).

> Capping the number of regions
> -----------------------------
>                 Key: HBASE-2844
>                 URL: https://issues.apache.org/jira/browse/HBASE-2844
>             Project: HBase
>          Issue Type: Improvement
>          Components: regionserver
>            Reporter: Pranav Khaitan
>            Assignee: Pranav Khaitan
>            Priority: Minor
>             Fix For: 0.90.0
>         Attachments: RegionCappingV2.patch
> It may sometimes be advantageous to prevent the number of regions from growing very large.
This may happen if the values are large in size even though the number of keyvalues are not
large. If the number of regions becomes too large, then it is difficult to accommodate the
memstore for each region in memory. In such cases, we either have to flush out memstore to
disk or decrease size of each memstore.

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