[jboss-jira] [JBoss JIRA] Commented: (JGRP-939) MERGE: merging of overlapping subgroups causes problems with UNICAST

[Bela Ban (JIRA)]

    [ https://jira.jboss.org/jira/browse/JGRP-939?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12462291#action_12462291 ] 

Bela Ban commented on JGRP-939:
-------------------------------

This issue should get fixed by https://jira.jboss.org/jira/browse/JGRP-952

> MERGE: merging of overlapping subgroups causes problems with UNICAST
> --------------------------------------------------------------------
>
>                 Key: JGRP-939
>                 URL: https://jira.jboss.org/jira/browse/JGRP-939
>             Project: JGroups
>          Issue Type: Task
>            Reporter: Bela Ban
>            Assignee: Bela Ban
>             Fix For: 2.8
>
>
> - We have {A,B,C,D}
> - D is slow, and gets excluded, so A,B,C see themselves as view, but D has view {A,B,C,D}
> - When we want to merge {A,B,C} and {A,B,C,D}, the latter subgroup has existing seqnos for A, B and C in UNICAST, whereas the former doesn't
> - Say, D has seqnos A:25, B:7 and C:3, and sends a unicast message 26 to A, but A expects #1, then we have an issue
> We cannot trash UNICAST connection tables because of JGRP-659

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