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From "Edward J. Yoon (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HAMA-999) Wrong size of MemoryQueue
Date Tue, 11 Apr 2017 05:53:41 GMT

    [ https://issues.apache.org/jira/browse/HAMA-999?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15963871#comment-15963871
] 

Edward J. Yoon commented on HAMA-999:
-------------------------------------

Thanks for report! I'll check what's wrong.

> Wrong size of MemoryQueue
> -------------------------
>
>                 Key: HAMA-999
>                 URL: https://issues.apache.org/jira/browse/HAMA-999
>             Project: Hama
>          Issue Type: Bug
>          Components: bsp core
>            Reporter: JongYoon Lim
>
> I found that *SuperstepPiEstimator* example sometimes gives wrong result when call *peer.getNumCurrentMessages()*.
And that was because of wrong *size()* of *MemoryQueue*. When I printed out sizes of queue
from the example, sometimes it said, 
> {noformat}
> bundle size: 20, numOfMsg: 19, deque size: 0
> {noformat}
> I think *deque*, *bundles* and *numOfMsg* of *MemoryQueue* should be properly synchronized
to get correct result. 



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