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From "Eugene Koifman (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-17917) VectorizedOrcAcidRowBatchReader.computeOffsetAndBucket optimization
Date Fri, 28 Sep 2018 02:11:00 GMT

    [ https://issues.apache.org/jira/browse/HIVE-17917?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16631259#comment-16631259
] 

Eugene Koifman commented on HIVE-17917:
---------------------------------------

+1

> VectorizedOrcAcidRowBatchReader.computeOffsetAndBucket optimization
> -------------------------------------------------------------------
>
>                 Key: HIVE-17917
>                 URL: https://issues.apache.org/jira/browse/HIVE-17917
>             Project: Hive
>          Issue Type: Sub-task
>          Components: Transactions
>    Affects Versions: 3.0.0
>            Reporter: Eugene Koifman
>            Assignee: Saurabh Seth
>            Priority: Minor
>         Attachments: HIVE-17917.2.patch, HIVE-17917.patch
>
>
> VectorizedOrcAcidRowBatchReader.computeOffsetAndBucket optimization() computation is
currently (after HIVE-17458) is done once per split.  It could instead be done once per file
(since the result is the same for each split of the same file) and passed along in OrcSplit



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