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From "Hive QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-4825) Separate MapredWork into MapWork and ReduceWork
Date Sat, 27 Jul 2013 07:27:48 GMT

    [ https://issues.apache.org/jira/browse/HIVE-4825?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13721565#comment-13721565
] 

Hive QA commented on HIVE-4825:
-------------------------------



{color:red}Overall{color}: -1 at least one tests failed

Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12594510/HIVE-4825.5.patch

{color:red}ERROR:{color} -1 due to 1 failed/errored test(s), 2653 tests executed
*Failed tests:*
{noformat}
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_dynamic_partition_skip_default
{noformat}

Test results: https://builds.apache.org/job/PreCommit-HIVE-Build/205/testReport
Console output: https://builds.apache.org/job/PreCommit-HIVE-Build/205/console

Messages:
{noformat}
Executing org.apache.hive.ptest.execution.CleanupPhase
Executing org.apache.hive.ptest.execution.PrepPhase
Executing org.apache.hive.ptest.execution.ExecutionPhase
Executing org.apache.hive.ptest.execution.ReportingPhase
Tests failed with: TestsFailedException: 1 tests failed
{noformat}

This message is automatically generated.
                
> Separate MapredWork into MapWork and ReduceWork
> -----------------------------------------------
>
>                 Key: HIVE-4825
>                 URL: https://issues.apache.org/jira/browse/HIVE-4825
>             Project: Hive
>          Issue Type: Improvement
>            Reporter: Gunther Hagleitner
>            Assignee: Gunther Hagleitner
>            Priority: Minor
>         Attachments: HIVE-4825.1.patch, HIVE-4825.2.code.patch, HIVE-4825.2.testfiles.patch,
HIVE-4825.3.testfiles.patch, HIVE-4825.4.patch, HIVE-4825.5.patch
>
>
> Right now all the information needed to run an MR job is captured in MapredWork. This
class has aliases, tagging info, table descriptors etc.
> For Tez and MRR it will be useful to break this into map and reduce specific pieces.
The separation is natural and I think has value in itself, it makes the code easier to understand.
However, it will also allow us to reuse these abstractions in Tez where you'll have a graph
of these instead of just 1M and 0-1R.

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