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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] Commented: (PIG-1249) Safe-guards against misconfigured Pig scripts without PARALLEL keyword
Date Tue, 27 Jul 2010 17:57:17 GMT

    [ https://issues.apache.org/jira/browse/PIG-1249?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12892873#action_12892873
] 

Hadoop QA commented on PIG-1249:
--------------------------------

-1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12450579/PIG-1249_5.patch
  against trunk revision 979503.

    +1 @author.  The patch does not contain any @author tags.

    +1 tests included.  The patch appears to include 5 new or modified tests.

    +1 javadoc.  The javadoc tool did not generate any warning messages.

    +1 javac.  The applied patch does not increase the total number of javac compiler warnings.

    +1 findbugs.  The patch does not introduce any new Findbugs warnings.

    +1 release audit.  The applied patch does not increase the total number of release audit
warnings.

    -1 core tests.  The patch failed core unit tests.

    -1 contrib tests.  The patch failed contrib unit tests.

Test results: http://hudson.zones.apache.org/hudson/job/Pig-Patch-h8.grid.sp2.yahoo.net/359/testReport/
Findbugs warnings: http://hudson.zones.apache.org/hudson/job/Pig-Patch-h8.grid.sp2.yahoo.net/359/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Console output: http://hudson.zones.apache.org/hudson/job/Pig-Patch-h8.grid.sp2.yahoo.net/359/console

This message is automatically generated.

> Safe-guards against misconfigured Pig scripts without PARALLEL keyword
> ----------------------------------------------------------------------
>
>                 Key: PIG-1249
>                 URL: https://issues.apache.org/jira/browse/PIG-1249
>             Project: Pig
>          Issue Type: Improvement
>    Affects Versions: 0.8.0
>            Reporter: Arun C Murthy
>            Assignee: Jeff Zhang
>            Priority: Critical
>             Fix For: 0.8.0
>
>         Attachments: PIG-1249-4.patch, PIG-1249.patch, PIG-1249_5.patch, PIG_1249_2.patch,
PIG_1249_3.patch
>
>
> It would be *very* useful for Pig to have safe-guards against naive scripts which process
a *lot* of data without the use of PARALLEL keyword.
> We've seen a fair number of instances where naive users process huge data-sets (>10TB)
with badly mis-configured #reduces e.g. 1 reduce. 

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