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From "Hive QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-6809) Support bulk deleting directories for partition drop with partial spec
Date Mon, 07 Apr 2014 10:30:17 GMT

    [ https://issues.apache.org/jira/browse/HIVE-6809?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13961767#comment-13961767
] 

Hive QA commented on HIVE-6809:
-------------------------------



{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/12638949/HIVE-6809.3.patch.txt

{color:red}ERROR:{color} -1 due to 2 failed/errored test(s), 5549 tests executed
*Failed tests:*
{noformat}
org.apache.hadoop.hive.cli.TestMinimrCliDriver.testCliDriver_reduce_deduplicate
org.apache.hcatalog.security.TestHdfsAuthorizationProvider.testTableOps
{noformat}

Test results: http://bigtop01.cloudera.org:8080/job/PreCommit-HIVE-Build/2160/testReport
Console output: http://bigtop01.cloudera.org:8080/job/PreCommit-HIVE-Build/2160/console

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: 2 tests failed
{noformat}

This message is automatically generated.

ATTACHMENT ID: 12638949

> Support bulk deleting directories for partition drop with partial spec
> ----------------------------------------------------------------------
>
>                 Key: HIVE-6809
>                 URL: https://issues.apache.org/jira/browse/HIVE-6809
>             Project: Hive
>          Issue Type: Improvement
>          Components: Query Processor
>            Reporter: Navis
>            Assignee: Navis
>         Attachments: HIVE-6809.1.patch.txt, HIVE-6809.2.patch.txt, HIVE-6809.3.patch.txt
>
>
> In busy hadoop system, dropping many of partitions takes much more time than expected.
In hive-0.11.0, removing 1700 partitions by single partial spec took 90 minutes, which is
reduced to 3 minutes when deleteData is set false. I couldn't test this in recent hive, which
has HIVE-6256 but if the time-taking part is mostly from removing directories, it seemed not
helpful to reduce whole processing time.



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