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https://issues.apache.org/jira/browse/SLING-10854?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Stefan Egli closed SLING-10854.
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> Introduce cleanup job of old slingId data in discovery
> ------------------------------------------------------
>
> Key: SLING-10854
> URL: https://issues.apache.org/jira/browse/SLING-10854
> Project: Sling
> Issue Type: Improvement
> Components: Discovery
> Affects Versions: Discovery Oak 1.2.34
> Reporter: Stefan Egli
> Assignee: Stefan Egli
> Priority: Major
> Fix For: Discovery Oak 1.2.44
>
> Time Spent: 11h 10m
> Remaining Estimate: 0h
>
> Discovery.oak stores nodes and properties per slingId under
> {{/var/discovery/oak}}. In a scenario where the slingIds are stable things
> are fine. If the slingIds change frequently, old slingId-related data stays
> as garbage and accumulates.
> We should introduce a cleanup job to delete old slingId data. The leader
> could execute this to avoid race conditions. We might need to add some
> additional property to indicate age of slingIds (there's already the
> {{/var/discovery/oak/clusterInstances/leaderElectionIdCreatedAt}} property
> which gets updated upon each discovery.oak bundle activation - but it's
> somewhat indirect. Having a new, dedicated property sounds cleaner (this one
> could be used to clean up old data though)
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