Hi. I am using Prometheus version 2.22.1 and I am using custom thresholds
for many of my alerts using the recording rules. But for Disk Space
Utilization I am getting stuck where I need to set a custom threshold only
for a single mount point of a particular IP. For eg. My default disk space
utilization threshold is 90%. On the IP x.x.x.x, there are 2 mounts - vol1
and vol2. I want to set the threshold for vol2 as 95%. To set the threshold
to 95% for all the mount points of an IP is easy and can be done in the way
I have done below but How do I approach setting the custom threshold for
one of the mount point?
Sample of custom thresholding that I am doing for one of the other alerts -
Number of Threads.
- record: custom_critical
expr: (up{job=~"node.*",instance="x.x.x.x:9100"}) + 9999
Alert Expression:
((node_processes_threads) > on(instance) group_left() (custom_critical or
on(instance) count by (instance)(node_processes_threads) * 0 + 4000))
Thanks in advance!
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