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https://issues.apache.org/jira/browse/HBASE-17973?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15999265#comment-15999265
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Hudson commented on HBASE-17973:
--------------------------------
FAILURE: Integrated in Jenkins build HBase-HBASE-14614 #223 (See
[https://builds.apache.org/job/HBase-HBASE-14614/223/])
HBASE-17973 Expand list_regions to filter on data locality (elserj: rev
13b6fdf8ad81e236632a2dc99e6c4a317213858e)
* (add) hbase-shell/src/test/ruby/hbase/list_regions_test_no_cluster.rb
* (edit) hbase-shell/src/main/ruby/hbase_constants.rb
* (edit) hbase-shell/src/main/ruby/shell/commands/list_regions.rb
HBASE-17973 Fix incorrect method call in list_regions and expand tests (elserj:
rev de78c11893d7c25f9faaf4bcb0ef10a9df1cd96e)
* (edit) hbase-shell/src/main/ruby/shell/commands/list_regions.rb
* (edit) hbase-shell/src/test/ruby/hbase/list_regions_test_no_cluster.rb
> Create shell command to identify regions with poor locality
> -----------------------------------------------------------
>
> Key: HBASE-17973
> URL: https://issues.apache.org/jira/browse/HBASE-17973
> Project: HBase
> Issue Type: Improvement
> Components: shell
> Reporter: Josh Elser
> Assignee: Josh Elser
> Fix For: 2.0.0
>
> Attachments: HBASE-17973.001.patch, HBASE-17973.002.patch,
> HBASE-17973.003.patch, HBASE-17973.branch-1.001.patch
>
>
> The data locality of regions often plays a large role in the efficiency of
> HBase. Compactions are also expensive to execute, especially on very large
> tables. The balancer can do a good job trying to maintain locality (when
> tuned properly), but it is not perfect.
> This creates a less-than-desirable situation where it's a costly operation to
> take a cluster with spotty poor locality (e.g. a small percentage of
> regionservers with poor locality).
> We already have this information available via the {{ClusterStatus}} proto.
> We can easily write a shell command that can present regions which are
> lacking a certain percentage of locality.
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