[jira] [Commented] (GIRAPH-185) Improve concurrency of putMsg / putMsgList

["Bo Wang (Commented) (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/GIRAPH-185?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13255933#comment-13255933 ] 

Bo Wang commented on GIRAPH-185:
--------------------------------

putVertexIdMessagesList can be improved together
                
> 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
>             Fix For: 0.2.0
>
>   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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