On 25/07/2022 07:30, BHARATH KUMAR wrote:
I am talking about grafana dashboard. I created a custom variable as
follows:
CPU:
All : <=100,
lt 10 && gt 0 : >0<=10,
lt 30 && gt 10 : >10<=30
So this CPU filter will be added at the top of grafana dashboard. Now
If I select ALL in CPU filter I am not able to find the unreachable
servers list in the grafana dashboard as those servers are not present
in prometheus Data Source(since these are in unreachable state).
My query:
((1 - avg(irate(node_cpu_seconds_total{mode="idle",instance=~"$ip"}[5m])) by (instance)) * 100)
$CPU
Here we are comparing the value in $cpu
Is there any other way to compare the values that are not present in
prometheus data source so that when I click ALL option I can able to
see all servers data.
If you are not scraping something (because the scrape is failing) then
no data exists about that server.
For the drop down selector in Grafana you could use the "up" metric,
which will still have values for servers that weren't able to be
scraped, but selecting one of those would then result in an empty
dashboard as there wouldn't be any CPU values.
--
Stuart Clark
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