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https://issues.apache.org/jira/browse/SLING-2831?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Bertrand Delacretaz updated SLING-2831:
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Summary: Use new discovery API in extensions/event bundle (was: Use new
discovery API)
> Use new discovery API in extensions/event bundle
> ------------------------------------------------
>
> Key: SLING-2831
> URL: https://issues.apache.org/jira/browse/SLING-2831
> Project: Sling
> Issue Type: Improvement
> Components: Extensions
> Affects Versions: Extensions Event 3.1.4
> Reporter: Carsten Ziegeler
> Assignee: Carsten Ziegeler
> Fix For: Extensions Event 3.2.0
>
>
> We should leverage the new discovery api in several ways:
> With SLING-2829 we have an API which allows to detect the capabilities of an
> instance (= the jobs the instance can process). The discovery API provides a
> way to distribute this information across the cluster. The job handling
> should use this information to distribute the jobs to instances which are
> capable of handling the jobs.
> I refer to this as the push based job distributed: once a job is created, the
> receiving instance can use the capabilities and push the job to an instance
> which is able to process this. This allows job processing without any
> additional overhead like locking etc.
> With the new topology view of the discovery api, we can handle
> crashing/stopped instances, changes in capabilities etc. As these events
> usually require redistribution, we can use the leader election of the
> topology view to let only one instance do the task
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