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From "Hive QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-9112) Query may generate different results depending on the number of reducers
Date Fri, 16 Jan 2015 07:18:34 GMT

    [ https://issues.apache.org/jira/browse/HIVE-9112?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14279907#comment-14279907
] 

Hive QA commented on HIVE-9112:
-------------------------------



{color:red}Overall{color}: -1 at least one tests failed

Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12692367/HIVE-9112.2.patch

{color:red}ERROR:{color} -1 due to 3 failed/errored test(s), 7315 tests executed
*Failed tests:*
{noformat}
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_udaf_histogram_numeric
org.apache.hadoop.hive.cli.TestMinimrCliDriver.testCliDriver_constprog_partitioner
org.apache.hadoop.hive.ql.TestMTQueries.testMTQueries1
{noformat}

Test results: http://ec2-174-129-184-35.compute-1.amazonaws.com/jenkins/job/PreCommit-HIVE-TRUNK-Build/2387/testReport
Console output: http://ec2-174-129-184-35.compute-1.amazonaws.com/jenkins/job/PreCommit-HIVE-TRUNK-Build/2387/console
Test logs: http://ec2-174-129-184-35.compute-1.amazonaws.com/logs/PreCommit-HIVE-TRUNK-Build-2387/

Messages:
{noformat}
Executing org.apache.hive.ptest.execution.PrepPhase
Executing org.apache.hive.ptest.execution.ExecutionPhase
Executing org.apache.hive.ptest.execution.ReportingPhase
Tests exited with: TestsFailedException: 3 tests failed
{noformat}

This message is automatically generated.

ATTACHMENT ID: 12692367 - PreCommit-HIVE-TRUNK-Build

> Query may generate different results depending on the number of reducers
> ------------------------------------------------------------------------
>
>                 Key: HIVE-9112
>                 URL: https://issues.apache.org/jira/browse/HIVE-9112
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Chao
>            Assignee: Ted Xu
>         Attachments: HIVE-9112.1.patch, HIVE-9112.2.patch, HIVE-9112.patch
>
>
> Some queries may generate different results depending on the number of reducers, for
example, tests like ppd_multi_insert.q, join_nullsafe.q, subquery_in.q, etc.
> Take subquery_in.q as example, if we add
> {noformat}
> set mapred.reduce.tasks=3;
> {noformat}
> to this test file, the result will be different (and wrong):
> {noformat}
> @@ -903,5 +903,3 @@ where li.l_linenumber = 1 and
>  POSTHOOK: type: QUERY
>  POSTHOOK: Input: default@lineitem
>  #### A masked pattern was here ####
> -108570 8571
> -4297   1798
> {noformat}



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