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From "Hive QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-8258) Compactor cleaners can be starved on a busy table or partition.
Date Sun, 12 Oct 2014 04:05:33 GMT

    [ https://issues.apache.org/jira/browse/HIVE-8258?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14168511#comment-14168511
] 

Hive QA commented on HIVE-8258:
-------------------------------



{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/12674166/HIVE-8258.6.patch

{color:red}ERROR:{color} -1 due to 1 failed/errored test(s), 4137 tests executed
*Failed tests:*
{noformat}
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_tez_smb_1
{noformat}

Test results: http://ec2-174-129-184-35.compute-1.amazonaws.com/jenkins/job/PreCommit-HIVE-TRUNK-Build/1221/testReport
Console output: http://ec2-174-129-184-35.compute-1.amazonaws.com/jenkins/job/PreCommit-HIVE-TRUNK-Build/1221/console
Test logs: http://ec2-174-129-184-35.compute-1.amazonaws.com/logs/PreCommit-HIVE-TRUNK-Build-1221/

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: 12674166

> Compactor cleaners can be starved on a busy table or partition.
> ---------------------------------------------------------------
>
>                 Key: HIVE-8258
>                 URL: https://issues.apache.org/jira/browse/HIVE-8258
>             Project: Hive
>          Issue Type: Bug
>          Components: Transactions
>    Affects Versions: 0.13.1
>            Reporter: Alan Gates
>            Assignee: Alan Gates
>            Priority: Critical
>             Fix For: 0.14.0
>
>         Attachments: HIVE-8258.2.patch, HIVE-8258.3.patch, HIVE-8258.4.patch, HIVE-8258.5.patch,
HIVE-8258.6.patch, HIVE-8258.patch
>
>
> Currently the cleaning thread in the compactor does not run on a table or partition while
any locks are held on this partition.  This leaves it open to starvation in the case of a
busy table or partition.  It only needs to wait until all locks on the table/partition at
the time of the compaction have expired.  Any jobs initiated after that (and thus any locks
obtained) will be for the new versions of the files.



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