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From "Hive QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-11652) Avoid expensive call to removeAll in DefaultGraphWalker
Date Fri, 28 Aug 2015 21:58:46 GMT

    [ https://issues.apache.org/jira/browse/HIVE-11652?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14720660#comment-14720660
] 

Hive QA commented on HIVE-11652:
--------------------------------



{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/12752973/HIVE-11652.02.patch

{color:red}ERROR:{color} -1 due to 1 failed/errored test(s), 9380 tests executed
*Failed tests:*
{noformat}
org.apache.hive.hcatalog.api.TestHCatClient.testTableSchemaPropagation
{noformat}

Test results: http://ec2-174-129-184-35.compute-1.amazonaws.com/jenkins/job/PreCommit-HIVE-TRUNK-Build/5104/testReport
Console output: http://ec2-174-129-184-35.compute-1.amazonaws.com/jenkins/job/PreCommit-HIVE-TRUNK-Build/5104/console
Test logs: http://ec2-174-129-184-35.compute-1.amazonaws.com/logs/PreCommit-HIVE-TRUNK-Build-5104/

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: 1 tests failed
{noformat}

This message is automatically generated.

ATTACHMENT ID: 12752973 - PreCommit-HIVE-TRUNK-Build

> Avoid expensive call to removeAll in DefaultGraphWalker
> -------------------------------------------------------
>
>                 Key: HIVE-11652
>                 URL: https://issues.apache.org/jira/browse/HIVE-11652
>             Project: Hive
>          Issue Type: Bug
>          Components: Logical Optimizer, Physical Optimizer
>    Affects Versions: 1.3.0, 2.0.0
>            Reporter: Jesus Camacho Rodriguez
>            Assignee: Jesus Camacho Rodriguez
>         Attachments: HIVE-11652.01.patch, HIVE-11652.02.patch, HIVE-11652.patch
>
>
> When the plan is too large, the removeAll call in DefaultGraphWalker (line 140) will
take very long as it will have to go through the list looking for each of the nodes. We try
to get rid of this call by rewriting the logic in the walker.



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