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From "Hive QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-4611) SMB joins fail based on bigtable selection policy.
Date Tue, 06 Aug 2013 10:11:51 GMT

    [ https://issues.apache.org/jira/browse/HIVE-4611?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13730592#comment-13730592
] 

Hive QA commented on HIVE-4611:
-------------------------------



{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/12596160/HIVE-4611.5.patch.txt

{color:red}ERROR:{color} -1 due to 1 failed/errored test(s), 2763 tests executed
*Failed tests:*
{noformat}
org.apache.hcatalog.mapreduce.TestHCatPartitioned.testHCatPartitionedTable
{noformat}

Test results: https://builds.apache.org/job/PreCommit-HIVE-Build/324/testReport
Console output: https://builds.apache.org/job/PreCommit-HIVE-Build/324/console

Messages:
{noformat}
Executing org.apache.hive.ptest.execution.PrepPhase
Executing org.apache.hive.ptest.execution.ExecutionPhase
Executing org.apache.hive.ptest.execution.ReportingPhase
Tests failed with: TestsFailedException: 1 tests failed
{noformat}

This message is automatically generated.
                
> SMB joins fail based on bigtable selection policy.
> --------------------------------------------------
>
>                 Key: HIVE-4611
>                 URL: https://issues.apache.org/jira/browse/HIVE-4611
>             Project: Hive
>          Issue Type: Bug
>          Components: Query Processor
>    Affects Versions: 0.11.0
>            Reporter: Vikram Dixit K
>            Assignee: Vikram Dixit K
>             Fix For: 0.11.1
>
>         Attachments: HIVE-4611.2.patch, HIVE-4611.3.patch, HIVE-4611.4.patch, HIVE-4611.5.patch.txt,
HIVE-4611.patch
>
>
> The default setting for hive.auto.convert.sortmerge.join.bigtable.selection.policy will
choose the big table as the one with largest average partition size. However, this can result
in a query failing because this policy conflicts with the big table candidates chosen for
outer joins. This policy should just be a tie breaker and not have the ultimate say in the
choice of tables.

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