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https://issues.apache.org/jira/browse/HBASE-15843?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Matteo Bertozzi updated HBASE-15843:
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Status: Patch Available (was: Open)
> Replace RegionState.getRegionInTransition() Map with a Set
> ----------------------------------------------------------
>
> Key: HBASE-15843
> URL: https://issues.apache.org/jira/browse/HBASE-15843
> Project: HBase
> Issue Type: Improvement
> Components: master, Region Assignment
> Affects Versions: 1.2.1, 2.0.0, 1.3.0
> Reporter: Matteo Bertozzi
> Assignee: Matteo Bertozzi
> Priority: Trivial
> Fix For: 2.0.0
>
> Attachments: HBASE-15843-v0.patch
>
>
> RegionState.getRegionInTransition() is always used as a Set.
> replace the Map with a Set, avoid some allocation and extra code.
> also ClusterStatus.RegionInTransition has duplicated information.
> The spec field contains the regionName (not encoded).
> but we have the same info as part of the region_state with the HRegionInfo
> serialized.
> unfortunately I don't think we can get rid of 'spec' that being a required
> field.
> {noformat}
> message RegionInTransition {
> required RegionSpecifier spec = 1;
> required RegionState region_state = 2;
> }
> {noformat}
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