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From "Konstantin Ryakhovskiy (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-16108) RowCounter should support multiple key ranges
Date Fri, 01 Jul 2016 20:05:11 GMT

    [ https://issues.apache.org/jira/browse/HBASE-16108?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15359549#comment-15359549
] 

Konstantin Ryakhovskiy commented on HBASE-16108:
------------------------------------------------

Findbugs warning is for HFileWriterV2 which is not touched by the patch, therefore it was
introduced previously.
The failed test TestStochasticLoadBalancer2 is not related to the patch as well. I've run
the test locally with the patch and it was successful.


> RowCounter should support multiple key ranges
> ---------------------------------------------
>
>                 Key: HBASE-16108
>                 URL: https://issues.apache.org/jira/browse/HBASE-16108
>             Project: HBase
>          Issue Type: Improvement
>            Reporter: Geoffrey Jacoby
>            Assignee: Konstantin Ryakhovskiy
>             Fix For: 2.0.0, 1.4.0
>
>         Attachments: HBASE-16108.branch-1.001.patch, HBASE-16108.master.001.patch, HBASE-16108.master.003.patch,
HBASE-16108.master.004.patch, test_HBASE-16108.log, test_TestTableBasedReplicationSourceManagerImpl.log
>
>
> Currently, RowCounter only allows a single key range to be used as a filter. It would
be useful in some cases to be able to specify multiple key ranges (or prefixes) in the same
job. (For example, counting over a set of Phoenix tenant ids in an unsalted table)
> This could be done by enhancing the existing key range parameter to take multiple start/stop
row pairs. Alternately, a new --row-prefixes option could be added, similar to what HBASE-15847
did for VerifyReplication. 



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