[jboss-jira] [JBoss JIRA] Resolved: (JGRP-1258) NAKACK: remove max_xmit_buf_size

[Bela Ban (JIRA)]

     [ https://jira.jboss.org/browse/JGRP-1258?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Bela Ban resolved JGRP-1258.
----------------------------

    Resolution: Done


> NAKACK: remove max_xmit_buf_size
> --------------------------------
>
>                 Key: JGRP-1258
>                 URL: https://jira.jboss.org/browse/JGRP-1258
>             Project: JGroups
>          Issue Type: Task
>            Reporter: Bela Ban
>            Assignee: Bela Ban
>             Fix For: 2.12
>
>
> This property discards the oldest N message (even undelivered one), to keep the max number of messages buffered for retransmission to max_xmit_buf_size.
> However, this leads to issues. E.g. when P sent a message M, then discards it because max_xmit_buf_size has been exceeded, and then a member Q asks P for retransmission of M, P won't be able to furnish M !
> We don't have a concept of being able to tell Q that it will never receive M and should therefore skip it. This would require quite some code changes, so we don't do it here (maybe later).

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