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Update Distributed-Poller.md Discovery using dispatcher service (#12387)

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* Update Distributed-Poller.md

Clarify discovery when using dispatcher service. The limitation of running one discovery per server is only for cron based polling.

* Update Distributed-Poller.md

Co-authored-by: Neil Lathwood <gh+n@laf.io>
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djamp42
2020-12-17 16:17:59 -05:00
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parent 8e718d6e4f
commit 9ccb707335
1 changed files with 10 additions and 3 deletions
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doc/Extensions/Distributed-Poller.md
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@@ -174,9 +174,16 @@ need to have the same `APP_KEY` value set in the `.env` file.
### Discovery
It's not necessary to run discovery services on all pollers. In fact,
you should only run one discovery process per poller group. Designate
a single poller to run discovery (or a separate server if required).
Depending on your setup will depend on how you configure your discovery processes.
**Cron based polling**
It's not necessary to run discovery services on all pollers. In fact, you should
only run one discovery process per poller group.
Designate a single poller to run discovery (or a separate server if required).
**Dispatcher service**
When using the dispatcher service, discovery can run on all nodes.
### Configuration