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https://issues.apache.org/jira/browse/SLING-9465?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17114960#comment-17114960
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Timothee Maret edited comment on SLING-9465 at 5/23/20, 10:05 PM:
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Pushed another approach based on configuration listener in PR
[#30|https://github.com/apache/sling-org-apache-sling-distribution-journal/pull/30].
It is untested but functional and descriptive enough to show the pattern. The
DistributionPublisherConfigured service gets registered only once, when a
DistributionPublisher config has been created. Adding/removing
DistributionPublisher configurations won't deactivate the DiscoveryService.
This option may suffer inconsistencies due to missing events (unless there's a
way to ensure the listener is registered before the event are fired).
was (Author: marett):
Pushed another approach based on configuration listener in PR
[#30|https://github.com/apache/sling-org-apache-sling-distribution-journal/pull/30].
It is untested but functional and descriptive enough to show the pattern. The
DistributionPublisherConfigured service gets registered only once, when a
DistributionPublisher config has been created. Adding/removing
DistributionPublisher configurations won't deactivate the DiscoveryService.
This option is more stable than PR #29 but may suffer missing events (unless
there's a way to ensure the listener is registered before the event are fired).
> DiscoveryService is activated on all services
> ---------------------------------------------
>
> Key: SLING-9465
> URL: https://issues.apache.org/jira/browse/SLING-9465
> Project: Sling
> Issue Type: Bug
> Components: Content Distribution
> Reporter: Timothee Maret
> Assignee: Timothee Maret
> Priority: Major
> Fix For: Content Distribution Journal Core 0.1.12
>
>
> The DiscoveryService service is only required on services running the
> DistributionPublisher agents. The DiscoveryServices consumes resources
> (connections, data volume) which should be avoided.
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