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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HAMA-837) Add sort behaviour to runtime partitioner
Date Wed, 08 Jan 2014 08:22:50 GMT

    [ https://issues.apache.org/jira/browse/HAMA-837?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13865194#comment-13865194
] 

Hudson commented on HAMA-837:
-----------------------------

SUCCESS: Integrated in Hama-trunk #227 (See [https://builds.apache.org/job/Hama-trunk/227/])
HAMA-837: Add sort behaviour to runtime partitioner (edwardyoon: rev 1556453)
* /hama/trunk/CHANGES.txt
* /hama/trunk/core/src/main/java/org/apache/hama/Constants.java
* /hama/trunk/core/src/main/java/org/apache/hama/bsp/PartitioningRunner.java
* /hama/trunk/examples/src/main/java/org/apache/hama/examples/DynamicGraph.java
* /hama/trunk/examples/src/test/java/org/apache/hama/examples/DynamicGraphTest.java
* /hama/trunk/examples/src/test/java/org/apache/hama/examples/MindistSearchTest.java
* /hama/trunk/graph/src/main/java/org/apache/hama/graph/DiskVerticesInfo.java
* /hama/trunk/graph/src/main/java/org/apache/hama/graph/GraphJob.java
* /hama/trunk/graph/src/main/java/org/apache/hama/graph/GraphJobRunner.java
* /hama/trunk/graph/src/main/java/org/apache/hama/graph/ListVerticesInfo.java
* /hama/trunk/graph/src/main/java/org/apache/hama/graph/MapVerticesInfo.java
* /hama/trunk/graph/src/main/java/org/apache/hama/graph/Vertex.java
* /hama/trunk/graph/src/main/java/org/apache/hama/graph/VertexInputReader.java
* /hama/trunk/ml/src/main/java/org/apache/hama/ml/semiclustering/SemiClusteringVertex.java


> Add sort behaviour to runtime partitioner
> -----------------------------------------
>
>                 Key: HAMA-837
>                 URL: https://issues.apache.org/jira/browse/HAMA-837
>             Project: Hama
>          Issue Type: Bug
>          Components: bsp core
>            Reporter: Edward J. Yoon
>            Assignee: Edward J. Yoon
>             Fix For: 0.7.0
>
>         Attachments: HAMA-837_v01.patch, HAMA-837_v02.patch
>
>
> If key is comparable and it need to be sorted by key of record, 
> {code}
>       if (outputPair.getKey() instanceof WritableComparable
>           && conf.getBoolean(Constants.PARTITION_SORT_BY_KEY, false)) {
> {code}
> each patitions should be sorted by key. In here, we can use external merge sort.



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