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Posted to dev@hama.apache.org by "Tommaso Teofili (JIRA)" <ji...@apache.org> on 2013/07/19 15:48:50 UTC

[jira] [Commented] (HAMA-732) Investigate the usage of Apache DirectMemory to store vertices

    [ https://issues.apache.org/jira/browse/HAMA-732?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13713666#comment-13713666 ] 

Tommaso Teofili commented on HAMA-732:
--------------------------------------

an up to date (and passing the tests) of the integration with DM : https://github.com/tteofili/hama/compare/apache:trunk...HAMA-732

                
> 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: 0.7.0
>
>         Attachments: HAMA-732.2.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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