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Posted to issues@hbase.apache.org by "Thiruvel Thirumoolan (JIRA)" <ji...@apache.org> on 2016/07/01 18:18:11 UTC

[jira] [Created] (HBASE-16169) RegionSizeCalculator should not depend on master

Thiruvel Thirumoolan created HBASE-16169:
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             Summary: RegionSizeCalculator should not depend on master
                 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, 1.4.0


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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