[jboss-jira] [JBoss JIRA] (JGRP-1429) The timeout of VERIFY_SUSPECT protocol is not guaranteed
Benoit Leblanc (JIRA)
jira-events at lists.jboss.org
Mon Feb 27 20:10:36 EST 2012
[ https://issues.jboss.org/browse/JGRP-1429?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Benoit Leblanc updated JGRP-1429:
---------------------------------
Git Pull Request: https://github.com/belaban/JGroups/pull/30
> The timeout of VERIFY_SUSPECT protocol is not guaranteed
> --------------------------------------------------------
>
> Key: JGRP-1429
> URL: https://issues.jboss.org/browse/JGRP-1429
> Project: JGroups
> Issue Type: Bug
> Affects Versions: 3.0.5
> Reporter: Benoit Leblanc
> Assignee: Bela Ban
>
> The verification of a suspected member can take more than timeout. It depend of being followed closely by other suspected members or not.
> Let's timeout = 2000ms.
> - At T: Member A is suspected (by Failure Detection protocol).
> - At T + 1500ms: Member B is suspected too.
> Member A is declared as definitively dead 3500ms later. The "worst case" occurs when a continuous flow of suspected members arrive with an interval between 0 and 2000ms (timeout). Suspected members are never removed from view.
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