[jboss-jira] [JBoss JIRA] (JGRP-1523) FD_ALL does not unsuspect on heartbeat

[Jan Boehm (JIRA)]

Jan Boehm created JGRP-1523:
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             Summary: FD_ALL does not unsuspect on heartbeat
                 Key: JGRP-1523
                 URL: https://issues.jboss.org/browse/JGRP-1523
             Project: JGroups
          Issue Type: Quality Risk
    Affects Versions: 3.0.14
            Reporter: Jan Boehm
            Assignee: Bela Ban


FD_ALL stores suspected nodes in "suspected_mbrs" when it receives no heartbeats. If it does not predict the local node as new coordinator it does not pass this suspicion upwards. Since UNSUSPECT from upwards is the only event that removes a node from suspected_mbrs the set retains all nodes except the nodes that where newly suspected when local became the potential new coordinator.

This seems wasteful and wrong (it leads to wrong results if there are "stale" suspects that would be preferred as new coordinators). The timestamps for nodes in suspected_mbrs should be rechecked in FD_ALL.suspect before adding the new nodes.

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