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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAHOUT-1306) SSVD-PCA results mangled if -ow (overwrite) is requested
Date Thu, 08 Aug 2013 07:59:49 GMT

    [ https://issues.apache.org/jira/browse/MAHOUT-1306?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13733236#comment-13733236
] 

Hudson commented on MAHOUT-1306:
--------------------------------

FAILURE: Integrated in Mahout-Quality #2189 (See [https://builds.apache.org/job/Mahout-Quality/2189/])
MAHOUT-1306: fixing PCA tests; -ow flag causing PCA errors

Squashed commit of the following:

commit cefe0d4863955288f304683ea25cc97047805bdd
Author: Dmitriy Lyubimov <dlyubimov@apache.org>
Date:   Wed Aug 7 22:50:48 2013 -0700

    disabling sparse SSVD PCA test with -q=0 (leaving -q=1) in the interest of smaller test
run time.

commit 412f9c5e06bf2a510948475e7d670f91d18d3386
Author: Dmitriy Lyubimov <dlyubimov@apache.org>
Date:   Wed Aug 7 22:36:17 2013 -0700

    cleaning up certain things; pca tests are asserting names and keys propagation

commit 4b002b30ddd4038311c003c77b7ba543eadcda98
Merge: 15b9a05 70777c4
Author: Dmitriy Lyubimov <dlyubimov@apache.org>
Date:   Wed Aug 7 21:27:57 2013 -0700

    Merge branch 'trunk' into PCA_fixes

commit 15b9a056603f703707672e601c1e3c13dbd00b8f
Author: Dmitriy Lyubimov <dlyubimov@apache.org>
Date:   Wed Aug 7 15:27:58 2013 -0700

    reverting test back to q=1

commit 8e91cc6ae5056b159fa6208a26b5a4f0e002bd8c
Author: Dmitriy Lyubimov <dlyubimov@apache.org>
Date:   Wed Aug 7 13:12:36 2013 -0700

    test fixes (dlyubimov: rev 1511590)
* /mahout/trunk/core/src/main/java/org/apache/mahout/math/hadoop/stochasticsvd/QJob.java
* /mahout/trunk/core/src/main/java/org/apache/mahout/math/hadoop/stochasticsvd/SSVDHelper.java
* /mahout/trunk/core/src/main/java/org/apache/mahout/math/hadoop/stochasticsvd/SSVDSolver.java
* /mahout/trunk/core/src/main/java/org/apache/mahout/math/hadoop/stochasticsvd/UJob.java
* /mahout/trunk/core/src/main/java/org/apache/mahout/math/hadoop/stochasticsvd/VJob.java
* /mahout/trunk/core/src/test/java/org/apache/mahout/math/hadoop/stochasticsvd/LocalSSVDPCADenseTest.java
* /mahout/trunk/core/src/test/java/org/apache/mahout/math/hadoop/stochasticsvd/LocalSSVDPCASparseTest.java
* /mahout/trunk/core/src/test/java/org/apache/mahout/math/hadoop/stochasticsvd/LocalSSVDSolverDenseTest.java
* /mahout/trunk/core/src/test/java/org/apache/mahout/math/hadoop/stochasticsvd/LocalSSVDSolverSparseSequentialTest.java

                
> SSVD-PCA results mangled if -ow (overwrite) is requested
> --------------------------------------------------------
>
>                 Key: MAHOUT-1306
>                 URL: https://issues.apache.org/jira/browse/MAHOUT-1306
>             Project: Mahout
>          Issue Type: Bug
>    Affects Versions: 0.8
>            Reporter: Dmitriy Lyubimov
>            Assignee: Dmitriy Lyubimov
>             Fix For: 0.9
>
>         Attachments: MAHOUT-1306.patch
>
>
> Seems some PCA related vectors are wiped by incorrect application of directory cleanup
when -ow is given. 
> I will also take this opportunity to do some architectural and test cleanup.

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