[jira] [Commented] (HIVE-8156) Vectorized reducers need to avoid memory build-up during a single key

["Hive QA (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HIVE-8156?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14138677#comment-14138677 ] 

Hive QA commented on HIVE-8156:
-------------------------------



{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/12669325/HIVE-8156.2.patch

{color:red}ERROR:{color} -1 due to 1 failed/errored test(s), 6279 tests executed
*Failed tests:*
{noformat}
org.apache.hadoop.hive.ql.parse.TestParse.testParse_union
{noformat}

Test results: http://ec2-174-129-184-35.compute-1.amazonaws.com/jenkins/job/PreCommit-HIVE-TRUNK-Build/855/testReport
Console output: http://ec2-174-129-184-35.compute-1.amazonaws.com/jenkins/job/PreCommit-HIVE-TRUNK-Build/855/console
Test logs: http://ec2-174-129-184-35.compute-1.amazonaws.com/logs/PreCommit-HIVE-TRUNK-Build-855/

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: 12669325

> Vectorized reducers need to avoid memory build-up during a single key
> ---------------------------------------------------------------------
>
>                 Key: HIVE-8156
>                 URL: https://issues.apache.org/jira/browse/HIVE-8156
>             Project: Hive
>          Issue Type: Bug
>    Affects Versions: 0.14.0
>            Reporter: Gopal V
>            Assignee: Gopal V
>             Fix For: 0.14.0
>
>         Attachments: HIVE-8156.1.patch, HIVE-8156.2.patch
>
>
> When encountering a skewed key with a large number of values, the vectorized reducer will not release memory within the loop.



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