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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (DISPATCH-767) Message Cut-Through/Streaming for efficient handling of large messages
Date Mon, 17 Jul 2017 20:43:03 GMT

    [ https://issues.apache.org/jira/browse/DISPATCH-767?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16090521#comment-16090521
] 

ASF GitHub Bot commented on DISPATCH-767:
-----------------------------------------

Github user ganeshmurthy commented on a diff in the pull request:

    https://github.com/apache/qpid-dispatch/pull/177#discussion_r127819616
  
    --- Diff: src/router_core/transfer.c ---
    @@ -851,6 +977,144 @@ static void qdr_delete_delivery_CT(qdr_core_t *core, qdr_action_t
*action, bool
             qdr_delete_delivery_internal_CT(core, action->args.delivery.delivery);
     }
     
    +static bool qdr_delivery_is_all_peers_unlinked_CT(qdr_delivery_t *dlv)
    --- End diff --
    
    @ted-ross this function (qdr_delivery_is_all_peers_unlinked_CT) needs a little bit of
your extra attention. Please take a look and let me know if you have questions.


> Message Cut-Through/Streaming for efficient handling of large messages
> ----------------------------------------------------------------------
>
>                 Key: DISPATCH-767
>                 URL: https://issues.apache.org/jira/browse/DISPATCH-767
>             Project: Qpid Dispatch
>          Issue Type: Improvement
>          Components: Router Node
>            Reporter: Ted Ross
>            Assignee: Ganesh Murthy
>             Fix For: 1.0.0
>
>
> When large, multi-frame messages are sent through the router, there is no need to wait
for the entire message to arrive before starting to send it onward.
> This feature causes the router to route the first frame and allow subsequent frames in
a delivery to be streamed out in pipeline fashion.  Ideally, the memory usage in the router
should only involve pending frames.  This would allow the router to handle arbitrary numbers
of concurrent arbitrarily large messages.



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