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Clint Armstrong
2015-09-14 10:16:07 -04:00
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doc/Extensions/Poller-Service.md
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@ -19,6 +19,7 @@ $config['poller_service_poll_frequency'] = 300;
$config['poller_service_discover_frequency'] = 21600;
$config['poller_service_down_retry'] = 60;
$config['poller_service_retry_query'] = 1;
$config['poller_service_single_connection'] = false;
```
## Distributed Polling
@ -27,6 +28,9 @@ Distributed polling is possible, and uses the same configuration options as are
## Multi-Master MySQL considerations
Because locks are not replicated in Multi-Master MySQL configurations, if you are using such a configuration, you will need to make sure that all pollers are using the same MySQL server.
## Single Connection
If you are running MariaDB 10.2 or newer, you can tell poller-service to use a single mysql connectino for managing locks by setting `$config['poller_service_single_connection']` to `true`. *DO NOT* configure this for any version of MariaDB less than 10.2 or any version of MySQL.
## Service Installation
An upstart configuration `poller-service.conf` is provided. To install run `ln -s /opt/librenms/poller-service.conf /etc/init/poller-service.conf`. The service will start on boot and can be started manually by running `start poller-service`. If you recieve an error that the service does not exist, run `initctl reload-configuration`. The service is configured to run as the user `librenms` and will fail if that user does not exist.