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Change monitoring condition for Context Switch.

This commit is contained in:
Kazuhiro MUSASHI 2020-10-24 13:07:04 +09:00
parent c6531b06a0
commit 47a854653e
1 changed files with 2 additions and 2 deletions
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4
cookbooks/prometheus/files/etc/prometheus.d/alerts/node_exporter.yml
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@ -113,13 +113,13 @@ groups:
# Alert threshold depends on nature of application. # Alert threshold depends on nature of application.
# Please read: https://github.com/samber/awesome-prometheus-alerts/issues/58 # Please read: https://github.com/samber/awesome-prometheus-alerts/issues/58
- alert: HostContextSwitching - alert: HostContextSwitching
expr: (rate(node_context_switches_total[5m])) / (count without(cpu, mode) (node_cpu_seconds_total{mode="idle"})) > 4000 expr: (rate(node_context_switches_total[5m])) / (count without(cpu, mode) (node_cpu_seconds_total{mode="idle"})) > 4500
for: 5m for: 5m
labels: labels:
severity: warning severity: warning
annotations: annotations:
summary: "Host context switching (instance {{ $labels.instance }})" summary: "Host context switching (instance {{ $labels.instance }})"
description: "Context switching is growing on node (> 4000 / s)\n VALUE = {{ $value }}\n LABELS: {{ $labels }}" description: "Context switching is growing on node (> 4500 / s)\n VALUE = {{ $value }}\n LABELS: {{ $labels }}"
- alert: HostSwapIsFillingUp - alert: HostSwapIsFillingUp
expr: (1 - (node_memory_SwapFree_bytes / node_memory_SwapTotal_bytes)) * 100 > 80 expr: (1 - (node_memory_SwapFree_bytes / node_memory_SwapTotal_bytes)) * 100 > 80