[jira] [Commented] (HIVE-10215) Large IN() clauses: deep hashCode performance during optimizer pass

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

    [ https://issues.apache.org/jira/browse/HIVE-10215?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14395879#comment-14395879 ] 

Hive QA commented on HIVE-10215:
--------------------------------



{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/12709403/HIVE-10215.1.patch

{color:red}ERROR:{color} -1 due to 4 failed/errored test(s), 8692 tests executed
*Failed tests:*
{noformat}
TestMinimrCliDriver-smb_mapjoin_8.q - did not produce a TEST-*.xml file
TestSparkClient - did not produce a TEST-*.xml file
org.apache.hadoop.hive.thrift.TestHadoop20SAuthBridge.testMetastoreProxyUser
org.apache.hadoop.hive.thrift.TestHadoop20SAuthBridge.testSaslWithHiveMetaStore
{noformat}

Test results: http://ec2-174-129-184-35.compute-1.amazonaws.com/jenkins/job/PreCommit-HIVE-TRUNK-Build/3285/testReport
Console output: http://ec2-174-129-184-35.compute-1.amazonaws.com/jenkins/job/PreCommit-HIVE-TRUNK-Build/3285/console
Test logs: http://ec2-174-129-184-35.compute-1.amazonaws.com/logs/PreCommit-HIVE-TRUNK-Build-3285/

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: 4 tests failed
{noformat}

This message is automatically generated.

ATTACHMENT ID: 12709403 - PreCommit-HIVE-TRUNK-Build

> Large IN() clauses: deep hashCode performance during optimizer pass
> -------------------------------------------------------------------
>
>                 Key: HIVE-10215
>                 URL: https://issues.apache.org/jira/browse/HIVE-10215
>             Project: Hive
>          Issue Type: Bug
>          Components: Logical Optimizer
>    Affects Versions: 1.2.0
>            Reporter: Gopal V
>            Assignee: Gopal V
>            Priority: Minor
>         Attachments: HIVE-10215.1.patch
>
>
> The logical optimizer uses several maps and sets, which are exceeding expensive for large IN() clauses due to the fact that several part of the queries walk over the lists without short-circuiting during hashCode(), while equals() is faster due to short-circuiting via less expensive operators.



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