Prometheus reporting negative value of cpu utilization as taken with rate
function.
Not able to fix this issue even after putting so much hours. This is
understood that this is causing due to missed scrap. But not sure how rate
function actually normalizing values which end up having negative values
for cpu utilization.
Here is link of snapshots of error condition.
100 - (avg by (instance)
(rate(node_cpu_seconds_total{mode="idle",instance=~"$host"}[1m])) * 100)
Response: attached snapshot link.
http://skras.ddns.net/TI/Promcpu
Troubleshooting Query: node_cpu_seconds_total{mode="idle",instance=~"$host"}
Troubleshooting Query Response:
Object
request:Object
url:"api/datasources/proxy/1/api/v1/query_range?query=node_cpu_seconds_total%7Bmode%3D%22idle%22%2Cinstance%3D~%22sermon%22%7D&start=1619717745&end=1619717880&step=15"
method:"GET"
hideFromInspector:false
response:Object
status:"success"
data:Object
resultType:"matrix"
result:Array[4]
0:Object
metric:Object
values:Array[10]
0:Array[1619717745,322555.9]
1:Array[1619717760,322570.32]
2:Array[1619717775,322580]
3:Array[1619717790,322580]
4:Array[1619717805,322580]
5:Array[1619717820,322627.9]
6:Array[1619717835,322642.11]
7:Array[1619717850,322656.44]
8:Array[1619717865,322670.74]
9:Array[1619717880,322685.1]
1:Object
2:Object
3:Object
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