On 11 Mar 10:49, Yagyansh S. Kumar wrote:
> I have one more small query.
> If I use this expression to do my alerting, the value that I will get when
> I use $value in my alert will be Load per CPU Core.
> How to get the actual CPU Load value itself while using the expression
> mentioned by you.
>
> On Wednesday, March 11, 2020 at 11:07:21 PM UTC+5:30, Yagyansh S. Kumar
> wrote:
> >
> > Maybe I'll refine the threshold even further but for now this works.
> > Thanks a lot for help.
> >
> > On Wednesday, March 11, 2020 at 10:47:14 PM UTC+5:30, Harald Koch wrote:
> >>
> >>
> >>
> >> On Wed, Mar 11, 2020, at 13:00, Yagyansh S. Kumar wrote:
> >>
> >> Hi. I have configured alert for CPU Load for my servers and my current
> >> threshold is 8 for warning and 10 for critical.
> >> I want to make this threshold dynamic i.e I want the critical alert when
> >> the CPU Load becomes greater than the number of CPU Cores of the machine.
> >> Eg. For a server with 8 CPU cores, I want a critical alert when CPU load
> >> > 8 and for a machine with 16 CPU cores, I want a critical alert when CPU
> >> Load > 16.
> >>
> >>
> >> count without (cpu, mode) (node_cpu_seconds_total{mode="system"}))
> >>
> >> is one way of counting the number of CPUs on a server, so:
> >>
Hi,
you can use
node_load5 > count without (cpu, mode) (node_cpu_seconds_total{mode="system"}))
regards,
> >> (node_load5 / count without (cpu, mode)
> >> (node_cpu_seconds_total{mode="system"})) > 1
> >>
> >> would alert you when the (5 minute) load average is greater than the
> >> number of CPUs.
> >>
> >> I find this alert to be noisy - your experience may differ.
> >>
> >> --
> >> Harald
> >>
> >>
> >>
>
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