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https://issues.apache.org/jira/browse/HIVE-9984?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14364731#comment-14364731
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Hive QA commented on HIVE-9984:
-------------------------------
{color:green}Overall{color}: +1 all checks pass
Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12704937/HIVE-9984.2.patch
{color:green}SUCCESS:{color} +1 7769 tests passed
Test results:
http://ec2-174-129-184-35.compute-1.amazonaws.com/jenkins/job/PreCommit-HIVE-TRUNK-Build/3050/testReport
Console output:
http://ec2-174-129-184-35.compute-1.amazonaws.com/jenkins/job/PreCommit-HIVE-TRUNK-Build/3050/console
Test logs:
http://ec2-174-129-184-35.compute-1.amazonaws.com/logs/PreCommit-HIVE-TRUNK-Build-3050/
Messages:
{noformat}
Executing org.apache.hive.ptest.execution.PrepPhase
Executing org.apache.hive.ptest.execution.ExecutionPhase
Executing org.apache.hive.ptest.execution.ReportingPhase
{noformat}
This message is automatically generated.
ATTACHMENT ID: 12704937 - PreCommit-HIVE-TRUNK-Build
> JoinReorder's getOutputSize is exponential
> ------------------------------------------
>
> Key: HIVE-9984
> URL: https://issues.apache.org/jira/browse/HIVE-9984
> Project: Hive
> Issue Type: Bug
> Reporter: Gunther Hagleitner
> Assignee: Gunther Hagleitner
> Attachments: HIVE-9984.1.patch, HIVE-9984.2.patch
>
>
> Found by [~mmokhtar]. Causes major issues in large plans (50+ joins). Simple
> fix would be to memoize the recursion. There should also be a flag to switch
> this opt off.
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