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From "Thomas Jungblut (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HAMA-515) Counter should be synchronized by sync()
Date Tue, 15 May 2012 17:38:11 GMT

     [ https://issues.apache.org/jira/browse/HAMA-515?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Thomas Jungblut updated HAMA-515:
---------------------------------

    Assignee:     (was: Thomas Jungblut)

putting back, is too much work for now.
                
> Counter should be synchronized by sync()
> ----------------------------------------
>
>                 Key: HAMA-515
>                 URL: https://issues.apache.org/jira/browse/HAMA-515
>             Project: Hama
>          Issue Type: New Feature
>    Affects Versions: 0.5.0
>            Reporter: Thomas Jungblut
>            Priority: Minor
>             Fix For: 0.6.0
>
>         Attachments: HAMA-515.patch
>
>
> We should synchronize the counters in all tasks after a sync() call. 
> Then someone can use it for flow control. E.G. graph related algorithms, to get the number
of globally updated vertices.
> Two options to solve this:
>  - Sync the whole stuff over RPC from the BSPMaster
>  - Use Zookeeper for counter handling

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