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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