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Add CPU and memory alerts 

Signed-off-by: Vitaly Zhuravlev <v-zhuravlev@users.noreply.github.com>
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Vitaly Zhuravlev 2023-03-28 02:57:02 +08:00 committed by Vitaly Zhuravlev
parent 0e0399d41e
commit fd2d62af63
1 changed files with 28 additions and 0 deletions
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28
docs/node-mixin/alerts/alerts.libsonnet
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@ -309,6 +309,34 @@
description: 'File descriptors limit at {{ $labels.instance }} is currently at {{ printf "%.2f" $value }}%.',
},
},
{
alert: 'NodeCPUHighUsage',
expr: |||
sum without(mode) (avg without (cpu) (rate(node_cpu_seconds_total{%(nodeExporterSelector)s, mode!="idle"}[2m]))) > 0.8
||| % $._config,
'for': '15m',
labels: {
severity: 'warning',
},
annotations: {
summary: 'High CPU usage.',
description: 'CPU usage on {{ $labels.instance }} has been above 80% for the last 15 minutes, is currently at {{ printf "%.2f" $value }}%.',
},
},
{
alert: 'NodeMemoryHighUtilization',
expr: |||
100 - node_memory_MemAvailable_bytes{%(nodeExporterSelector)s} / node_memory_MemTotal_bytes{%(nodeExporterSelector)s} * 100 < 10
||| % $._config,
'for': '15m',
labels: {
severity: 'warning',
},
annotations: {
summary: 'Host is running out of memory',
description: 'Memory is filling up on {{ $labels.instance }}, has been above 90% for the last 15 minutes, is currently at {{ printf "%.2f" $value }}%.',
},
},
],
},
],