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From "Hive QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-12354) MapJoin with double keys is slow on MR
Date Fri, 06 Nov 2015 02:47:27 GMT

    [ https://issues.apache.org/jira/browse/HIVE-12354?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14992976#comment-14992976
] 

Hive QA commented on HIVE-12354:
--------------------------------



Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12770897/HIVE-12354.01.patch

{color:red}ERROR:{color} -1 due to no test(s) being added or modified.

{color:red}ERROR:{color} -1 due to 4 failed/errored test(s), 9774 tests executed
*Failed tests:*
{noformat}
org.apache.hadoop.hive.cli.TestHBaseCliDriver.testCliDriver_hbase_queries
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testNegativeCliDriver_authorization_uri_import
org.apache.hadoop.hive.hwi.TestHWISessionManager.testHiveDriver
org.apache.hive.jdbc.TestSSL.testSSLVersion
{noformat}

Test results: http://ec2-174-129-184-35.compute-1.amazonaws.com/jenkins/job/PreCommit-HIVE-TRUNK-Build/5939/testReport
Console output: http://ec2-174-129-184-35.compute-1.amazonaws.com/jenkins/job/PreCommit-HIVE-TRUNK-Build/5939/console
Test logs: http://ec2-174-129-184-35.compute-1.amazonaws.com/logs/PreCommit-HIVE-TRUNK-Build-5939/

Messages:
{noformat}
Executing org.apache.hive.ptest.execution.TestCheckPhase
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: 4 tests failed
{noformat}

This message is automatically generated.

ATTACHMENT ID: 12770897 - PreCommit-HIVE-TRUNK-Build

> MapJoin with double keys is slow on MR
> --------------------------------------
>
>                 Key: HIVE-12354
>                 URL: https://issues.apache.org/jira/browse/HIVE-12354
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Sergey Shelukhin
>            Assignee: Sergey Shelukhin
>         Attachments: HIVE-12354.01.patch, HIVE-12354.patch
>
>
> Double keys are also a common type when comparing numbers with strings, and such, so
it happens more often than one would expect. This is due to HADOOP-12217



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