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InstanceHighCPUUtilization
tei-k edited this page Jun 2, 2020
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This alert indicates that one or more instances has an average CPU over 90% for the past 5 minutes. In many cases this alert is normal to see during peak operation times. It doesn't reflect the overall state of the environment.
[prodtest-f4vofpw][FIRING:1] InstanceHighCPUUtilization warning
cassandra-1.internal.scalar-labs.com:9100 - firing - 93.93%
[prodtest-f4vofpw][RESOLVED] InstanceHighCPUUtilization warning
cassandra-1.internal.scalar-labs.com:9100 - resolved
- Keep an eye on Grafana dashboard (Scalar DLT Response) and check for high response times in the 99th, 95th, and 90th percentile. This may indicate the cluster needs to be expanded or a bigger resource type is needed.
- How to access the monitor server