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From "Bo Wang (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (GIRAPH-185) Improve concurrency of putMsg / putMsgList
Date Sat, 05 May 2012 19:01:51 GMT

     [ https://issues.apache.org/jira/browse/GIRAPH-185?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Bo Wang updated GIRAPH-185:
---------------------------

    Attachment:     (was: GIRAPH-185.patch)
    
> Improve concurrency of putMsg / putMsgList
> ------------------------------------------
>
>                 Key: GIRAPH-185
>                 URL: https://issues.apache.org/jira/browse/GIRAPH-185
>             Project: Giraph
>          Issue Type: Improvement
>          Components: graph
>    Affects Versions: 0.2.0
>            Reporter: Bo Wang
>            Assignee: Bo Wang
>             Fix For: 0.2.0
>
>         Attachments: GIRAPH-185.patch, GIRAPH-185.patch, GIRAPH-185.patch
>
>   Original Estimate: 2h
>  Remaining Estimate: 2h
>
> Currently in putMsg / putMsgList, a synchronized closure is used to protect the whole
transientInMessages when adding the new message. This lock prevents other concurrent calls
to putMsg/putMsgList and increases the response time. We should use fine-grain locks to allow
high concurrency in message communication.

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