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From "Hive QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-15881) Use new thread count variable name instead of mapred.dfsclient.parallelism.max
Date Sat, 25 Feb 2017 07:26:44 GMT

    [ https://issues.apache.org/jira/browse/HIVE-15881?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15884127#comment-15884127
] 

Hive QA commented on HIVE-15881:
--------------------------------



Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12854267/HIVE-15881.5.patch

{color:red}ERROR:{color} -1 due to build exiting with an error

Test results: https://builds.apache.org/job/PreCommit-HIVE-Build/3774/testReport
Console output: https://builds.apache.org/job/PreCommit-HIVE-Build/3774/console
Test logs: http://104.198.109.242/logs/PreCommit-HIVE-Build-3774/

Messages:
{noformat}
Executing org.apache.hive.ptest.execution.TestCheckPhase
Executing org.apache.hive.ptest.execution.PrepPhase
Tests exited with: NonZeroExitCodeException
Command 'bash /data/hiveptest/working/scratch/source-prep.sh' failed with exit status 1 and
output '+ date '+%Y-%m-%d %T.%3N'
2017-02-25 07:26:29.532
+ [[ -n /usr/lib/jvm/java-8-openjdk-amd64 ]]
+ export JAVA_HOME=/usr/lib/jvm/java-8-openjdk-amd64
+ JAVA_HOME=/usr/lib/jvm/java-8-openjdk-amd64
+ export PATH=/usr/lib/jvm/java-8-openjdk-amd64/bin/:/usr/local/bin:/usr/bin:/bin:/usr/local/games:/usr/games
+ PATH=/usr/lib/jvm/java-8-openjdk-amd64/bin/:/usr/local/bin:/usr/bin:/bin:/usr/local/games:/usr/games
+ export 'ANT_OPTS=-Xmx1g -XX:MaxPermSize=256m '
+ ANT_OPTS='-Xmx1g -XX:MaxPermSize=256m '
+ export 'MAVEN_OPTS=-Xmx1g '
+ MAVEN_OPTS='-Xmx1g '
+ cd /data/hiveptest/working/
+ tee /data/hiveptest/logs/PreCommit-HIVE-Build-3774/source-prep.txt
+ [[ false == \t\r\u\e ]]
+ mkdir -p maven ivy
+ [[ git = \s\v\n ]]
+ [[ git = \g\i\t ]]
+ [[ -z master ]]
+ [[ -d apache-github-source-source ]]
+ [[ ! -d apache-github-source-source/.git ]]
+ [[ ! -d apache-github-source-source ]]
+ date '+%Y-%m-%d %T.%3N'
2017-02-25 07:26:29.534
+ cd apache-github-source-source
+ git fetch origin
+ git reset --hard HEAD
HEAD is now at 2f6f6bd HIVE-15951 : Make sure base persist directory is unique and deleted
(Slim Bouguerra via Ashutosh Chauhan)
+ git clean -f -d
+ git checkout master
Already on 'master'
Your branch is up-to-date with 'origin/master'.
+ git reset --hard origin/master
HEAD is now at 2f6f6bd HIVE-15951 : Make sure base persist directory is unique and deleted
(Slim Bouguerra via Ashutosh Chauhan)
+ git merge --ff-only origin/master
Already up-to-date.
+ date '+%Y-%m-%d %T.%3N'
2017-02-25 07:26:33.301
+ patchCommandPath=/data/hiveptest/working/scratch/smart-apply-patch.sh
+ patchFilePath=/data/hiveptest/working/scratch/build.patch
+ [[ -f /data/hiveptest/working/scratch/build.patch ]]
+ chmod +x /data/hiveptest/working/scratch/smart-apply-patch.sh
+ /data/hiveptest/working/scratch/smart-apply-patch.sh /data/hiveptest/working/scratch/build.patch
error: a/common/src/java/org/apache/hadoop/hive/conf/HiveConf.java: No such file or directory
error: a/ql/src/java/org/apache/hadoop/hive/ql/exec/Utilities.java: No such file or directory
error: a/ql/src/test/org/apache/hadoop/hive/ql/exec/TestUtilities.java: No such file or directory
The patch does not appear to apply with p0, p1, or p2
+ exit 1
'
{noformat}

This message is automatically generated.

ATTACHMENT ID: 12854267 - PreCommit-HIVE-Build

> Use new thread count variable name instead of mapred.dfsclient.parallelism.max
> ------------------------------------------------------------------------------
>
>                 Key: HIVE-15881
>                 URL: https://issues.apache.org/jira/browse/HIVE-15881
>             Project: Hive
>          Issue Type: Task
>          Components: Query Planning
>            Reporter: Sergio Peña
>            Assignee: Sergio Peña
>            Priority: Minor
>         Attachments: HIVE-15881.1.patch, HIVE-15881.2.patch, HIVE-15881.3.patch, HIVE-15881.4.patch,
HIVE-15881.5.patch
>
>
> The Utilities class has two methods, {{getInputSummary}} and {{getInputPaths}}, that
use the variable {{mapred.dfsclient.parallelism.max}} to get the summary of a list of input
locations in parallel. These methods are Hive related, but the variable name does not look
it is specific for Hive.
> Also, the above variable is not on HiveConf nor used anywhere else. I just found a reference
on the Hadoop MR1 code.
> I'd like to propose the deprecation of {{mapred.dfsclient.parallelism.max}}, and use
a different variable name, such as {{hive.get.input.listing.num.threads}}, that reflects the
intention of the variable. The removal of the old variable might happen on Hive 3.x



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