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Posted to issues@hbase.apache.org by "Ashu Pachauri (JIRA)" <ji...@apache.org> on 2016/06/02 00:46:59 UTC
[jira] [Updated] (HBASE-15429) Add a split policy for busy regions
[ https://issues.apache.org/jira/browse/HBASE-15429?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Ashu Pachauri updated HBASE-15429:
----------------------------------
Attachment: HBASE-15429-V1.patch
HBASE-15429-V1.patch:
Removed the properties from HTableDescriptor. Modified the defaults to be more aggressive and added a description for the BusyRegionSplitPolicy class.
> Add a split policy for busy regions
> -----------------------------------
>
> Key: HBASE-15429
> URL: https://issues.apache.org/jira/browse/HBASE-15429
> Project: HBase
> Issue Type: Improvement
> Components: regionserver
> Reporter: Ashu Pachauri
> Assignee: Ashu Pachauri
> Fix For: 2.0.0, 1.3.0
>
> Attachments: HBASE-15429-V1.patch, HBASE-15429.patch
>
>
> Currently, all region split policies are based on size. However, in certain cases, it is a wise choice to make a split decision based on number of requests to the region and split busy regions.
> A crude metric is that if a region blocks writes often and throws RegionTooBusyExceoption, it's probably a good idea to split it.
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