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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-13008) Better default for hbase.regionserver.regionSplitLimit parameter.
Date Thu, 12 Feb 2015 20:50:11 GMT

    [ https://issues.apache.org/jira/browse/HBASE-13008?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14318957#comment-14318957
] 

Hudson commented on HBASE-13008:
--------------------------------

FAILURE: Integrated in HBase-TRUNK #6123 (See [https://builds.apache.org/job/HBase-TRUNK/6123/])
HBASE-13008 Better default for hbase.regionserver.regionSplitLimit parameter (Srikanth Srungarapu)
(apurtell: rev fc2e849cd35ffef0cf91b80d42c983702e456199)
* hbase-common/src/main/resources/hbase-default.xml
* hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/CompactSplitThread.java


> Better default for hbase.regionserver.regionSplitLimit parameter.
> -----------------------------------------------------------------
>
>                 Key: HBASE-13008
>                 URL: https://issues.apache.org/jira/browse/HBASE-13008
>             Project: HBase
>          Issue Type: Improvement
>            Reporter: Srikanth Srungarapu
>            Assignee: Srikanth Srungarapu
>            Priority: Minor
>             Fix For: 2.0.0, 1.0.1, 1.1.0, 0.98.11
>
>         Attachments: HBASE-13008.patch, HBASE-13008_v2.patch
>
>
> Currently, the default value for hbase.regionserver.regionSplitLimit is 2147483647. Couple
of customers ran into trouble, as they ended up with too many regions(~7k) running on their
region servers. Would it be possible for us to come up with better default or at least some
new guard rail, which can be used for logging warnings when the number of regions are going
overboard?
> Ref:
> [1] https://github.com/apache/hbase/blob/master/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/CompactSplitThread.java#L101



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