[jira] Commented: (PIG-1249) Safe-guards against misconfigured Pig scripts without PARALLEL keyword

["Jeff Zhang (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/PIG-1249?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12874903#action_12874903 ] 

Jeff Zhang commented on PIG-1249:
---------------------------------

Alan,Thanks for your help.

> 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_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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