[jboss-jira] [JBoss JIRA] (JGRP-2412) GMS: reduce likelyhood of merges on concurrent new member startup

[Bela Ban (Jira)]

     [ https://issues.redhat.com/browse/JGRP-2412?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Bela Ban updated JGRP-2412:
---------------------------
    Fix Version/s: 4.2.0
                       (was: 4.1.9)


> GMS: reduce likelyhood of merges on concurrent new member startup
> -----------------------------------------------------------------
>
>                 Key: JGRP-2412
>                 URL: https://issues.redhat.com/browse/JGRP-2412
>             Project: JGroups
>          Issue Type: Enhancement
>            Reporter: Bela Ban
>            Assignee: Bela Ban
>            Priority: Major
>             Fix For: 4.2.0
>
>
> When multiple new members are started concurrently, and no coord is present yet, different clients get different discovery results, and this may lead to merging.
> If we have no coord, we could run the discovery protocol multiple time, *with the current members list being cached*, and then might end up with a more similar list of new members.
> This could be governed by an additional attribute in {{Discovery}} ({{num_discovery_runs}}?)



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