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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] Commented: (MAPREDUCE-775) Add input/output formatters for Vertica clustered ADBMS.
Date Tue, 25 Aug 2009 05:11:59 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-775?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12747222#action_12747222
] 

Hadoop QA commented on MAPREDUCE-775:
-------------------------------------

-1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12415514/MAPREDUCE-775.patch
  against trunk revision 807165.

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

    +1 tests included.  The patch appears to include 16 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 passed contrib unit tests.

Test results: http://hudson.zones.apache.org/hudson/job/Mapreduce-Patch-vesta.apache.org/511/testReport/
Findbugs warnings: http://hudson.zones.apache.org/hudson/job/Mapreduce-Patch-vesta.apache.org/511/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Checkstyle results: http://hudson.zones.apache.org/hudson/job/Mapreduce-Patch-vesta.apache.org/511/artifact/trunk/build/test/checkstyle-errors.html
Console output: http://hudson.zones.apache.org/hudson/job/Mapreduce-Patch-vesta.apache.org/511/console

This message is automatically generated.

> Add input/output formatters for Vertica clustered ADBMS.
> --------------------------------------------------------
>
>                 Key: MAPREDUCE-775
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-775
>             Project: Hadoop Map/Reduce
>          Issue Type: New Feature
>            Reporter: Omer Trajman
>             Fix For: 0.21.0
>
>         Attachments: MAPREDUCE-775.patch
>
>
> Add native support for Vertica as an input or output format taking advantage of parallel
read and write properties of the DBMS.
>  
> On the input side allow for parametrized queries (a la prepared statements) and create
a split for each combination of parameters.  Also support the parameter list to be generated
from a sql statement.  For example - return metrics for all dimensions that meet criteria
X with one input split for each dimension.  Divide the read among any number of hosts in the
Vertica cluster.
>  
> On the output side, support Vertica streaming load to any number of hosts in the Vertica
cluster.  Output may be to a different cluster than input.
>  
> Also includes Input and Output formatters that support streaming interface.
> Code has been tested and run on live systems under 19 and 20.  Patch for 21 with new
API will be ready end of this week.  

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