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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HAMA-732) Investigate the usage of Apache DirectMemory to store vertices
Date Sat, 21 Sep 2013 07:53:51 GMT

    [ https://issues.apache.org/jira/browse/HAMA-732?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13773748#comment-13773748
] 

Hudson commented on HAMA-732:
-----------------------------

SUCCESS: Integrated in Hama-trunk #176 (See [https://builds.apache.org/job/Hama-trunk/176/])
HAMA-732 - applied patch for integration with DM for OffHeapVerticesInfo (tommaso: rev 1525198)
* /hama/trunk/graph/src/main/java/org/apache/hama/graph/OffHeapVerticesInfo.java
* /hama/trunk/graph/src/test/java/org/apache/hama/graph/TestOffHeapVerticesInfo.java
HAMA-732 - applied patch for integration with DM for OffHeapVerticesInfo (tommaso: rev 1525197)
* /hama/trunk/graph/pom.xml
* /hama/trunk/graph/src/main/java/org/apache/hama/graph/DefaultVertexOutputWriter.java
* /hama/trunk/graph/src/main/java/org/apache/hama/graph/DiskVerticesInfo.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/Vertex.java
* /hama/trunk/graph/src/main/java/org/apache/hama/graph/VerticesInfo.java
* /hama/trunk/graph/src/test/java/org/apache/hama/graph/TestSubmitGraphJob.java

                
> Investigate the usage of Apache DirectMemory to store vertices
> --------------------------------------------------------------
>
>                 Key: HAMA-732
>                 URL: https://issues.apache.org/jira/browse/HAMA-732
>             Project: Hama
>          Issue Type: Improvement
>          Components: graph
>    Affects Versions: 0.6.0
>            Reporter: Tommaso Teofili
>            Assignee: Tommaso Teofili
>            Priority: Minor
>             Fix For: 0.6.3
>
>         Attachments: HAMA-732.2.patch, HAMA-732.3.patch, HAMA-732.patch
>
>
> Since Apache DirectMemory can keep objects outside of the java heap that could help on
improving performances.
> I created a simple extension implementation of VerticesInfo which uses Apache DirectMemory
CacheService instead of a List, performance seem to be improved.

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