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Posted to issues@hive.apache.org by "Chaoyu Tang (JIRA)" <ji...@apache.org> on 2017/02/01 03:58:51 UTC

[jira] [Commented] (HIVE-15736) Add unit tests to Utilities.getInputSummary() method for multi-threading cases

    [ https://issues.apache.org/jira/browse/HIVE-15736?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15847941#comment-15847941 ] 

Chaoyu Tang commented on HIVE-15736:
------------------------------------

LGTM, +1

> Add unit tests to Utilities.getInputSummary() method for multi-threading cases
> ------------------------------------------------------------------------------
>
>                 Key: HIVE-15736
>                 URL: https://issues.apache.org/jira/browse/HIVE-15736
>             Project: Hive
>          Issue Type: Test
>          Components: Query Planning
>            Reporter: Sergio Peña
>            Assignee: Sergio Peña
>            Priority: Minor
>         Attachments: HIVE-15736.1.patch, HIVE-15736.2.patch, HIVE-15736.3.patch
>
>
> The {{Utilities.getInputSummary}} method has a configuration to use multiple threads to get the content summary of tables and partitions. This configuration variable, {{mapred.dfsclient.parallelism.max}}, is disabled by default and there are no tests that validate the quality of using multi threads.
> This JIRA is used to add tests to such method with multiple threads and fix any issue found.



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