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From "Hive QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-16778) LLAP IO: better refcount management
Date Sat, 27 May 2017 05:37:04 GMT

    [ https://issues.apache.org/jira/browse/HIVE-16778?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16027213#comment-16027213
] 

Hive QA commented on HIVE-16778:
--------------------------------



Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12870176/HIVE-16778.patch

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

{color:red}ERROR:{color} -1 due to 3 failed/errored test(s), 10788 tests executed
*Failed tests:*
{noformat}
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[named_column_join] (batchId=72)
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[subquery_scalar] (batchId=152)
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[vector_if_expr] (batchId=145)
{noformat}

Test results: https://builds.apache.org/job/PreCommit-HIVE-Build/5455/testReport
Console output: https://builds.apache.org/job/PreCommit-HIVE-Build/5455/console
Test logs: http://104.198.109.242/logs/PreCommit-HIVE-Build-5455/

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: 3 tests failed
{noformat}

This message is automatically generated.

ATTACHMENT ID: 12870176 - PreCommit-HIVE-Build

> LLAP IO: better refcount management
> -----------------------------------
>
>                 Key: HIVE-16778
>                 URL: https://issues.apache.org/jira/browse/HIVE-16778
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Sergey Shelukhin
>            Assignee: Sergey Shelukhin
>         Attachments: HIVE-16778.patch, HIVE-16778.patch
>
>
> Looks like task cancellation can close the UGI, causing the background thread to die
with an exception, leaving a bunch of unreleased cache buffers.
> Overall, it's probably better to modify how refcounts are handled - if there's some bug
in the code we don't want to leak them. 



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