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From "Hive QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-13887) LazySimpleSerDe should parse "NULL" dates faster
Date Thu, 02 Jun 2016 21:28:59 GMT

    [ https://issues.apache.org/jira/browse/HIVE-13887?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15313103#comment-15313103
] 

Hive QA commented on HIVE-13887:
--------------------------------



Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12807407/HIVE-13887.1.patch

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

{color:red}ERROR:{color} -1 due to 7 failed/errored test(s), 10197 tests executed
*Failed tests:*
{noformat}
TestHWISessionManager - did not produce a TEST-*.xml file
TestJdbcWithMiniHA - did not produce a TEST-*.xml file
TestJdbcWithMiniMr - did not produce a TEST-*.xml file
TestOperationLoggingAPIWithTez - did not produce a TEST-*.xml file
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_subquery_multiinsert
org.apache.hadoop.hive.cli.TestMiniSparkOnYarnCliDriver.testCliDriver_constprog_partitioner
org.apache.hadoop.hive.cli.TestMiniSparkOnYarnCliDriver.testCliDriver_index_bitmap3
{noformat}

Test results: http://ec2-54-177-240-2.us-west-1.compute.amazonaws.com/job/PreCommit-HIVE-MASTER-Build/501/testReport
Console output: http://ec2-54-177-240-2.us-west-1.compute.amazonaws.com/job/PreCommit-HIVE-MASTER-Build/501/console
Test logs: http://ec2-50-18-27-0.us-west-1.compute.amazonaws.com/logs/PreCommit-HIVE-MASTER-Build-501/

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: 7 tests failed
{noformat}

This message is automatically generated.

ATTACHMENT ID: 12807407 - PreCommit-HIVE-MASTER-Build

> LazySimpleSerDe should parse "NULL" dates faster
> ------------------------------------------------
>
>                 Key: HIVE-13887
>                 URL: https://issues.apache.org/jira/browse/HIVE-13887
>             Project: Hive
>          Issue Type: Bug
>          Components: Serializers/Deserializers, Vectorization
>    Affects Versions: 2.1.0
>            Reporter: Gopal V
>            Assignee: Gopal V
>              Labels: Performance
>         Attachments: HIVE-13887.1.patch, HIVE-13887.1.patch
>
>
> Date string which contain "NULL" or "(null)" are being parsed through a very slow codepath
involving exception handling as a normal codepath.
> These are currently ~4x slower than parsing an actual date field.



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