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请问一下，在 Prometheus 监控系统中，告警规则： expr: job:EC2 - Node:up == 0 表示什么意思呢？
huoshuaibing · Jan 21, 2019 · 2522 viewsThis topic created in 2665 days ago, the information mentioned may be changed or developed.
groups:
- name: host-alerts
rules:
- alert: InstanceDown
expr: job:EC2 - Node:up == 0
for: 1m
labels:
severity: critical
annotations:
text: |
{{ $labels.instance }} of job {{ $labels.job }} has been down for more than 1 minute.
- name: host-alerts
rules:
- alert: InstanceDown
expr: job:EC2 - Node:up == 0
for: 1m
labels:
severity: critical
annotations:
text: |
{{ $labels.instance }} of job {{ $labels.job }} has been down for more than 1 minute.
1 replies • 2019-01-22 09:41:08 +08:00
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1
CivAx Jan 22, 2019
当 EC2 节点持续 1 分钟检测到节点（ node ）在线数量为 0 时，以 Critical 级别告警并发送 text 告警信息
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