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From "ASF subversion and git services (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (PROTON-200) [Proton-c] Credit distribution by messenger is not balanced across all links
Date Tue, 15 Oct 2013 17:36:42 GMT

    [ https://issues.apache.org/jira/browse/PROTON-200?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13795407#comment-13795407
] 

ASF subversion and git services commented on PROTON-200:
--------------------------------------------------------

Commit 1532452 from rhs@apache.org in branch 'proton/trunk'
[ https://svn.apache.org/r1532452 ]

PROTON-200: modified messenger's credit distribution algorithm to cope with credit scarce
scenarios

> [Proton-c] Credit distribution by messenger is not balanced across all links
> ----------------------------------------------------------------------------
>
>                 Key: PROTON-200
>                 URL: https://issues.apache.org/jira/browse/PROTON-200
>             Project: Qpid Proton
>          Issue Type: Bug
>          Components: proton-c
>    Affects Versions: 0.3
>            Reporter: Ken Giusti
>            Assignee: Ken Giusti
>         Attachments: proton-200.patch, upstream-credit.patch
>
>
> The method used to distribute credit to receiving links may lead to starvation when the
number of receiving links is > the available credit.
> The distribution algorithm always starts with the same link - see messenger.c::pn_messenger_flow()



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