Monitoring Trigger for Linux with vm.memory.size[pfree]

[FrancisET]

Hi,

I'm running zabbix v 4.2.0 and using a template based of the the stand Linux template that ships with zabbix.

Now I want to monitor free memory percentage availability and was hoping to use vm.memory.size[pfree] as I've seen somewhere in the forums as the recommended way (rather than creating a custom calculation). Unfortunately its saying its an incorrect item key whenever I use it.

Is this possible with my version of zabbix (most likely as its been discussed to be added way back)? If yes, whats the trigger expression that I should use?

Kind regards,
Francis

[FrancisET]

Hi Splitek,

Got my answer here:

https://www.zabbix.com/forum/zabbix-cookbook/18570-free-memory-percentage-will-this-trigger-do-it

I wanted to trip a trigger using memory percentage, not the amount of free memory as our servers have different memory configurations. By default, its 20M and that doesn't cut it for us since we have machines with memory more than 512MB and we need to trigger it depending on the % of free memory to be more in-line with how we use our machines.

Kind regards,
Francis

[FrancisET]

Hi Splitek,

Yes, that works too. I was originally under the impression that it was already there (%memory free) but thought it was pfree as used in swap space % check.

Thanks for this!

Kind regards,
Francis