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https://issues.apache.org/jira/browse/HBASE-14838?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15013177#comment-15013177
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Mikhail Antonov commented on HBASE-14838:
-----------------------------------------
correction - "didn't think" in first sensence above
> SimpleRegionNormalizer does not merge empty region of a table
> -------------------------------------------------------------
>
> Key: HBASE-14838
> URL: https://issues.apache.org/jira/browse/HBASE-14838
> Project: HBase
> Issue Type: Bug
> Affects Versions: 1.2.0, 1.1.2
> Reporter: Romil Choksi
>
> SImpleRegionNormalizer does not merge empty region of a table
> Steps to repro:
> - Create an empty table with few, say 5-6 regions without any data in any of
> them
> - Verify hbase:meta table to verify the regions for the table or check
> HMaster UI
> - Enable normalizer switch and normalization for this table
> - Run normalizer, by 'normalize' command from hbase shell
> - Verify the regions for table by scanning hbase:meta table or checking
> HMaster web UI
> The empty regions are not merged on running the region normalizer. This seems
> to be an edge case with completely empty regions since the Normalizer checks
> for: smallestRegion (in this case 0 size) + smallestNeighborOfSmallestRegion
> (in this case 0 size) > avg region size (in this case 0 size)
> thanks to [~elserj] for verifying this from the source code side
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