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From "HBase Review Board (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HBASE-2844) Capping the number of regions
Date Thu, 05 Aug 2010 04:57:16 GMT

    [ https://issues.apache.org/jira/browse/HBASE-2844?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12895542#action_12895542
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HBase Review Board commented on HBASE-2844:
-------------------------------------------

Message from: stack@duboce.net

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trunk/src/test/java/org/apache/hadoop/hbase/regionserver/TestRegionServer.java
<http://review.cloudera.org/r/334/#comment2466>

    Should we even include this test Pranav?  I don't see where you are proving that we do
not exceed the limit or that the limit works.  Also, where are you making the splits in this
test? 
    
    I'm fine committing the patch without this test -- the code as is looks fine to me.


- stack





> 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
>
> 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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