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From "Eric Hanson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-6104) Join-key logging in join operator
Date Mon, 13 Jan 2014 23:05:51 GMT

    [ https://issues.apache.org/jira/browse/HIVE-6104?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13870098#comment-13870098
] 

Eric Hanson commented on HIVE-6104:
-----------------------------------

Even though it is short, if you put the patch on Review Board that'll make it easier to review.

> Join-key logging in join operator
> ---------------------------------
>
>                 Key: HIVE-6104
>                 URL: https://issues.apache.org/jira/browse/HIVE-6104
>             Project: Hive
>          Issue Type: Bug
>          Components: Diagnosability
>    Affects Versions: 0.11.0, 0.12.0, 0.13.0
>            Reporter: Steven Wong
>            Assignee: Steven Wong
>            Priority: Minor
>             Fix For: 0.13.0
>
>         Attachments: HIVE-6104.patch
>
>
> JoinOperator.processOp logs lines like "table 0 has x rows for join key \[foo\]". It
is supposed to log after x rows for x = i, 2i, 4i, .... However, it has never worked completely:
> * In 0.11.0 and before, it logs after i rows and not after >i rows, because nextSz
is not properly updated.
> * In 0.12.0, HIVE-4960 partially fixed that but x fails to be reset when the alias (tag)
changes.



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