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Posted to issues@hbase.apache.org by "Andrew Purtell (JIRA)" <ji...@apache.org> on 2017/11/09 02:50:02 UTC

[jira] [Updated] (HBASE-16765) New SteppingRegionSplitPolicy, avoid too aggressive spread of regions for small tables.

     [ https://issues.apache.org/jira/browse/HBASE-16765?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Andrew Purtell updated HBASE-16765:
-----------------------------------
    Fix Version/s:     (was: 1.4.0)

> New SteppingRegionSplitPolicy, avoid too aggressive spread of regions for small tables.
> ---------------------------------------------------------------------------------------
>
>                 Key: HBASE-16765
>                 URL: https://issues.apache.org/jira/browse/HBASE-16765
>             Project: HBase
>          Issue Type: Bug
>            Reporter: Lars Hofhansl
>            Assignee: Lars Hofhansl
>            Priority: Critical
>             Fix For: 2.0.0, 1.3.0, 1.2.5, 0.98.24, 1.1.8
>
>         Attachments: 16765-0.98.txt
>
>
> We just did some experiments on some larger clusters and found that while using IncreasingToUpperBoundRegionSplitPolicy generally works well and is very convenient, it does tend to produce too many regions.
> Since the logic is - by design - local, checking the number of regions of the table in question on the local server only, we end with more regions then necessary.



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