[jboss-jira] [JBoss JIRA] (JGRP-1614) In the case of slow receiver, sender memory doesn't get free until the MessageListener.receive() is called.

[Bela Ban (JIRA)]

    [ https://issues.jboss.org/browse/JGRP-1614?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12766379#comment-12766379 ] 

Bela Ban commented on JGRP-1614:
--------------------------------

Which protocol ? NAKACK, NAKACK2, UNICAST, UNICAST2, UNICAST3 ?
A message needs to be buffered by the sender until it has been received by the peer (unicast) or by all cluster nodes (multicast).

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> In the case of slow receiver, sender memory doesn't get free until the MessageListener.receive() is called.
> -----------------------------------------------------------------------------------------------------------
>
>                 Key: JGRP-1614
>                 URL: https://issues.jboss.org/browse/JGRP-1614
>             Project: JGroups
>          Issue Type: Feature Request
>    Affects Versions: 3.2.7
>            Reporter: Keith Ng
>            Assignee: Bela Ban
>
> In the case of slow receiver, apparently, a large chunk of memory is reserved in the sender as well as the receiver to store the un-received messages. This memory in the sender doesn't get free until the MessageListener.receive() is called. 
> As a result, sender becomes out of memory. Anyways to discard messages in sender after the message was received at receiver even if receiver does not call MessageListener.receive() yet?

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