Hello,
I'm running Zabbix 2.4.8 on Ubuntu 14.04.4. The backend is mysql on Amazon RDS. I have a single proxy in passive mode which monitors 95% of my hosts.
My question is this:
I frequently notice a phenomenon where I see very regular, hourly performance hits in the server's zabbix server performance graphs. During these 2-3 minute periods, the servers VPS drops to zero, and of course a backlog builds. After 2-3 minutes, VPS goes back up, and the backlog is cleared after 10-30 minutes.
Screenshots below:


Note the precise regularity / spacing of the intervals.
My issue is that I can't figure out what is causing these. Of course I first thought of the housekeeper....but my housekeeper is set to run every 2 hours, not every 1. (you can see this below)

I can't find anything else that is spiking on this same regular interval that might be causing the problem.
Any suggestions how I can track this down?
I'm running Zabbix 2.4.8 on Ubuntu 14.04.4. The backend is mysql on Amazon RDS. I have a single proxy in passive mode which monitors 95% of my hosts.
My question is this:
I frequently notice a phenomenon where I see very regular, hourly performance hits in the server's zabbix server performance graphs. During these 2-3 minute periods, the servers VPS drops to zero, and of course a backlog builds. After 2-3 minutes, VPS goes back up, and the backlog is cleared after 10-30 minutes.
Screenshots below:


Note the precise regularity / spacing of the intervals.
My issue is that I can't figure out what is causing these. Of course I first thought of the housekeeper....but my housekeeper is set to run every 2 hours, not every 1. (you can see this below)

I can't find anything else that is spiking on this same regular interval that might be causing the problem.
Any suggestions how I can track this down?
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