Nagios Log Server - Poller Subsystem Architecture
Poller Subsystem Overview
The poller subsystem of Nagios Log Server runs on every instance. In addition to updating the elasticsearch database with the current running configuration, the poller subsystem also updates service state information for all of the instances in the Nagios Log Server cluster. In addition to this, the poller subsystem also updates each instance with the current list of all known hosts in the cluster.
Architecture Components And Execution Flow
The poller subsystem starts every minute via a cron located at /etc/cron.d/nagioslogserver and runs as the nagios user.
This cron executes a loop that by default runs every 15 seconds to perform the following action:
The general flow of execution of the poller subsystem works as follows:
Some potential problems with the poller subsystem, as well as troubleshooting information are listed below:
Problem: The Instance Status page doesn't list all instances or your service statuses are not updating
For any support related questions please visit the Nagios Support Forums at:
|Posted by: swilkerson - Fri, Feb 6, 2015 at 2:04 PM. This article has been viewed 3273 times.|
|Online URL: https://support.nagios.com/kb/article/nagios-log-server-poller-subsystem-architecture-63.html|
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