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Posted to issues@hbase.apache.org by "Michael Stack (Jira)" <ji...@apache.org> on 2021/03/12 05:25:00 UTC

[jira] [Commented] (HBASE-25566) RoundRobinTableInputFormat

    [ https://issues.apache.org/jira/browse/HBASE-25566?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17300054#comment-17300054 ] 

Michael Stack commented on HBASE-25566:
---------------------------------------

Resolved. Thanks for the blog post and the first patch version [~discoversudhir]. Thanks for improvements, tests, and reviews [~huaxiangsun]

> RoundRobinTableInputFormat
> --------------------------
>
>                 Key: HBASE-25566
>                 URL: https://issues.apache.org/jira/browse/HBASE-25566
>             Project: HBase
>          Issue Type: Improvement
>          Components: mapreduce
>            Reporter: Michael Stack
>            Assignee: Sudhir Reddy
>            Priority: Major
>             Fix For: 3.0.0-alpha-1, 2.3.5, 2.4.2
>
>
> [~huaxiang] figured we needed a round robin on the result returned out TableInputFormat to better distribute task on a production cluster at our place-of-employ.
> This seems to be an old problem. See this helpful, old Flipkart blog: https://tech.flipkart.com/is-data-locality-always-out-of-the-box-in-hadoop-not-really-2ae9c95163cb



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