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https://issues.apache.org/jira/browse/PIG-1642?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Richard Ding updated PIG-1642:
------------------------------
Attachment: PIG-1642.patch
The patch passed test-core.
The results of test-patch:
{code}
[exec] +1 overall.
[exec]
[exec] +1 @author. The patch does not contain any @author tags.
[exec]
[exec] +1 tests included. The patch appears to include 8 new or
modified tests.
[exec]
[exec] +1 javadoc. The javadoc tool did not generate any warning
messages.
[exec]
[exec] +1 javac. The applied patch does not increase the total number
of javac compiler warnings.
[exec]
[exec] +1 findbugs. The patch does not introduce any new Findbugs
warnings.
[exec]
[exec] +1 release audit. The applied patch does not increase the
total number of release audit warnings.
{code}
> Order by doesn't use estimation to determine the parallelism
> ------------------------------------------------------------
>
> Key: PIG-1642
> URL: https://issues.apache.org/jira/browse/PIG-1642
> Project: Pig
> Issue Type: Bug
> Affects Versions: 0.8.0
> Reporter: Richard Ding
> Assignee: Richard Ding
> Fix For: 0.8.0
>
> Attachments: PIG-1642.patch
>
>
> With PIG-1249, a simple heuristic is used to determine the number of reducers
> if it isn't specified (via PARALLEL or default_parallel). For order by
> statement, however, it still defaults to 1.
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