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https://issues.apache.org/jira/browse/DISPATCH-367?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15319404#comment-15319404
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Jiri Danek commented on DISPATCH-367:
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As I understand balanced delivery, it sends the message on the link that has
fewest unsettled deliveries. Since those are blocking sends, every delivery is
first settled before the next delivery begins, and dispatch is not doing any
randomization if more than one link firs, therefore only one receiver is
participating.
I guess the best behavior is use-case specific. Imagine I have a receiver
handling messages and I want to make my system futureproof in case load
increases and one receiver is not able to handle it. I put more receivers in
the network. Do I want to have receivers sharing the load equally from the
start, or do I want to have only one of them participating and keep the others
as a "hot spare", used only if the previous receivers stop being able to handle
the load as it comes? Both are IMO valid.
> balanced distribution needs to be more... balanced.
> ---------------------------------------------------
>
> Key: DISPATCH-367
> URL: https://issues.apache.org/jira/browse/DISPATCH-367
> Project: Qpid Dispatch
> Issue Type: Bug
> Components: Router Node
> Affects Versions: 0.6.0
> Reporter: Ken Giusti
> Fix For: 0.6.0
>
>
> When blocking sends are done to a balanced address with multiple consumers on
> the same router all the messages go to one of the consumers.
> I would expect that the messages would be evenly distributed across all
> _locally_attached_ consumers.
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