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From "Elliott Clark (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-13412) Region split decisions should have jitter
Date Mon, 06 Apr 2015 16:51:12 GMT

     [ https://issues.apache.org/jira/browse/HBASE-13412?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Elliott Clark updated HBASE-13412:
----------------------------------
          Component/s: regionserver
    Affects Version/s: 2.0.0
                       1.0.0
        Fix Version/s: 1.1.0
                       2.0.0
           Issue Type: New Feature  (was: Bug)

> Region split decisions should have jitter
> -----------------------------------------
>
>                 Key: HBASE-13412
>                 URL: https://issues.apache.org/jira/browse/HBASE-13412
>             Project: HBase
>          Issue Type: New Feature
>          Components: regionserver
>    Affects Versions: 1.0.0, 2.0.0
>            Reporter: Elliott Clark
>            Assignee: Elliott Clark
>             Fix For: 2.0.0, 1.1.0
>
>
> Whenever a region splits it causes lots of IO (compactions are queued for a while). Because
of this it's important to make sure that well distributed tables don't have all of their regions
split at exactly the same time.
> This is basically the same as our compaction jitter.



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