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From "Tommaso Teofili (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HAMA-732) Investigate the usage of Apache DirectMemory to store vertices
Date Tue, 17 Sep 2013 08:32:52 GMT

     [ https://issues.apache.org/jira/browse/HAMA-732?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Tommaso Teofili updated HAMA-732:
---------------------------------

    Attachment: HAMA-732.3.patch

last version of the patch with DM 0.2 (released yesterday)
                
> 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-732.3.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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