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From "Hudson (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (GIRAPH-91) Large-memory improvements (Memory reduced vertex implementation, fast failure, added settings)
Date Thu, 17 Nov 2011 10:08:51 GMT

    [ https://issues.apache.org/jira/browse/GIRAPH-91?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13151965#comment-13151965
] 

Hudson commented on GIRAPH-91:
------------------------------

Integrated in Giraph-trunk-Commit #36 (See [https://builds.apache.org/job/Giraph-trunk-Commit/36/])
    GIRAPH-91: Large-memory improvements (Memory reduced vertex
implementation, fast failure, added settings). (aching)

aching : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1203130
Files : 
* /incubator/giraph/trunk/CHANGELOG
* /incubator/giraph/trunk/src/main/java/org/apache/giraph/benchmark/PageRankBenchmark.java
* /incubator/giraph/trunk/src/main/java/org/apache/giraph/bsp/CentralizedServiceWorker.java
* /incubator/giraph/trunk/src/main/java/org/apache/giraph/comm/BasicRPCCommunications.java
* /incubator/giraph/trunk/src/main/java/org/apache/giraph/graph/BspServiceWorker.java
* /incubator/giraph/trunk/src/main/java/org/apache/giraph/graph/EdgeListVertex.java
* /incubator/giraph/trunk/src/main/java/org/apache/giraph/graph/GiraphJob.java
* /incubator/giraph/trunk/src/main/java/org/apache/giraph/graph/GraphMapper.java
* /incubator/giraph/trunk/src/test/java/org/apache/giraph/TestJsonBase64Format.java
* /incubator/giraph/trunk/src/test/java/org/apache/giraph/graph
* /incubator/giraph/trunk/src/test/java/org/apache/giraph/graph/TestEdgeListVertex.java

                
> Large-memory improvements (Memory reduced vertex implementation, fast failure, added
settings) 
> -----------------------------------------------------------------------------------------------
>
>                 Key: GIRAPH-91
>                 URL: https://issues.apache.org/jira/browse/GIRAPH-91
>             Project: Giraph
>          Issue Type: Improvement
>            Reporter: Avery Ching
>            Assignee: Avery Ching
>         Attachments: GIRAPH-91.diff
>
>
> Current vertex implementation uses a HashMap for storing the edges, which is quite memory
heavy for large graphs.  The default settings in Giraph need to be improved for large graphs
and heaps of >20G.

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