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From "stack (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-16169) Make RegionSizeCalculator scalable
Date Thu, 17 Nov 2016 07:08:58 GMT

     [ https://issues.apache.org/jira/browse/HBASE-16169?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

stack updated HBASE-16169:
--------------------------
       Resolution: Fixed
     Hadoop Flags: Reviewed
    Fix Version/s:     (was: 1.4.0)
           Status: Resolved  (was: Patch Available)

Pushed to master branch.

Why push to 1.4 [~thiruvel]? It adds new API in Admin. 2.0 will be out before 1.4 is my guess?
(You'll be able to rolling upgrade from branch-1 to 2.0 -- is the hope)

> Make RegionSizeCalculator scalable
> ----------------------------------
>
>                 Key: HBASE-16169
>                 URL: https://issues.apache.org/jira/browse/HBASE-16169
>             Project: HBase
>          Issue Type: Sub-task
>          Components: mapreduce, scaling
>            Reporter: Thiruvel Thirumoolan
>            Assignee: Thiruvel Thirumoolan
>             Fix For: 2.0.0
>
>         Attachments: HBASE-16169.master.000.patch, HBASE-16169.master.001.patch, HBASE-16169.master.002.patch,
HBASE-16169.master.003.patch, HBASE-16169.master.004.patch, HBASE-16169.master.005.patch,
HBASE-16169.master.006.patch, HBASE-16169.master.007.patch, HBASE-16169.master.007.patch,
HBASE-16169.master.008.patch
>
>
> RegionSizeCalculator is needed for better split generation of MR jobs. This requires
RegionLoad which can be obtained via ClusterStatus, i.e. accessing Master. We don't want master
to be in this path.
> The proposal is to add an API to the RegionServer that gets RegionLoad of all regions
hosted on it or those of a table if specified. RegionSizeCalculator can use the latter.



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