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https://issues.apache.org/jira/browse/SLING-11496?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Stefan Egli closed SLING-11496.
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> Fresh instance must remain suppressed until syncToken stored
> ------------------------------------------------------------
>
> Key: SLING-11496
> URL: https://issues.apache.org/jira/browse/SLING-11496
> Project: Sling
> Issue Type: Task
> Components: Discovery
> Affects Versions: Discovery Oak 1.2.36
> Reporter: Stefan Egli
> Assignee: Stefan Egli
> Priority: Major
> Fix For: Discovery Oak 1.2.40
>
> Time Spent: 20m
> Remaining Estimate: 0h
>
> The changes in SLING-11450 have one case still missing : if an instance
> reuses the clusterNodeId but is slow, it is not suppressed. Reason being that
> there's no cleanup of data in /var/discovery/oak/idMap and
> ./clusterInstances. So if it reuses the clusterNodeId, the old data from a
> previous instance would still be there, and the other instances do not
> distinguish where the data originated.
> The only way to detect a clusterNodeId-reuse is to require it to update the
> syncToken. Until it doesn't do that it is suppressed. Once it does it, it
> joins the cluster regularly. From then on, then syncToken is no longer
> checked (since existing instances are excempted from that check).
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