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etcd-alerts.yml
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etcd-alerts.yml
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groups:
- name: etcd-alerts
rules:
- alert: InsufficientMembers
expr: count(up{job="ETCD"} == 0) > (count(up{job="ETCD"}) / 2 - 1)
for: 3m
labels:
severity: critical
annotations:
description: If one more etcd member goes down the cluster will be unavailable
summary: etcd cluster insufficient members
- alert: NoLeader
expr: etcd_server_has_leader{job="ETCD"} == 0
for: 1m
labels:
severity: critical
annotations:
description: etcd member {{ $labels.instance }} has no leader
summary: etcd member has no leader
- alert: HighNumberOfLeaderChanges
expr: increase(etcd_server_leader_changes_seen_total{job="ETCD"}[1h]) > 3
labels:
severity: warning
annotations:
description: etcd instance {{ $labels.instance }} has seen {{ $value }} leader
changes within the last hour
summary: a high number of leader changes within the etcd cluster are happening
- alert: HighNumberOfFailedGRPCRequests
expr: sum by(grpc_method) (rate(etcd_grpc_requests_failed_total{job="ETCD"}[5m]))
/ sum by(grpc_method) (rate(etcd_grpc_total{job="ETCD"}[5m])) > 0.01
for: 10m
labels:
severity: warning
annotations:
description: '{{ $value }}% of requests for {{ $labels.grpc_method }} failed
on etcd instance {{ $labels.instance }}'
summary: a high number of gRPC requests are failing
- alert: HighNumberOfFailedGRPCRequests
expr: sum by(grpc_method) (rate(etcd_grpc_requests_failed_total{job="ETCD"}[5m]))
/ sum by(grpc_method) (rate(etcd_grpc_total{job="ETCD"}[5m])) > 0.05
for: 5m
labels:
severity: critical
annotations:
description: '{{ $value }}% of requests for {{ $labels.grpc_method }} failed
on etcd instance {{ $labels.instance }}'
summary: a high number of gRPC requests are failing
- alert: GRPCRequestsSlow
expr: histogram_quantile(0.99, rate(etcd_grpc_unary_requests_duration_seconds_bucket[5m]))
> 0.15
for: 10m
labels:
severity: critical
annotations:
description: on etcd instance {{ $labels.instance }} gRPC requests to {{ $labels.grpc_method
}} are slow
summary: slow gRPC requests
- alert: HighNumberOfFailedHTTPRequests
expr: sum by(method) (rate(etcd_http_failed_total{job="ETCD"}[5m])) / sum by(method)
(rate(etcd_http_received_total{job="ETCD"}[5m])) > 0.01
for: 10m
labels:
severity: warning
annotations:
description: '{{ $value }}% of requests for {{ $labels.method }} failed on etcd
instance {{ $labels.instance }}'
summary: a high number of HTTP requests are failing
- alert: HighNumberOfFailedHTTPRequests
expr: sum by(method) (rate(etcd_http_failed_total{job="ETCD"}[5m])) / sum by(method)
(rate(etcd_http_received_total{job="ETCD"}[5m])) > 0.05
for: 5m
labels:
severity: critical
annotations:
description: '{{ $value }}% of requests for {{ $labels.method }} failed on etcd
instance {{ $labels.instance }}'
summary: a high number of HTTP requests are failing
- alert: HTTPRequestsSlow
expr: histogram_quantile(0.99, rate(etcd_http_successful_duration_seconds_bucket[5m]))
> 0.15
for: 10m
labels:
severity: warning
annotations:
description: on etcd instance {{ $labels.instance }} HTTP requests to {{ $labels.method
}} are slow
summary: slow HTTP requests
- alert: EtcdMemberCommunicationSlow
expr: histogram_quantile(0.99, rate(etcd_network_member_round_trip_time_seconds_bucket[5m]))
> 0.15
for: 10m
labels:
severity: warning
annotations:
description: etcd instance {{ $labels.instance }} member communication with
{{ $labels.To }} is slow
summary: etcd member communication is slow
- alert: HighNumberOfFailedProposals
expr: increase(etcd_server_proposals_failed_total{job="ETCD"}[1h]) > 5
labels:
severity: warning
annotations:
description: etcd instance {{ $labels.instance }} has seen {{ $value }} proposal
failures within the last hour
summary: a high number of proposals within the etcd cluster are failing
- alert: HighFsyncDurations
expr: histogram_quantile(0.99, rate(etcd_disk_wal_fsync_duration_seconds_bucket[5m]))
> 0.5
for: 10m
labels:
severity: warning
annotations:
description: etcd instance {{ $labels.instance }} fync durations are high
summary: high fsync durations
- alert: HighCommitDurations
expr: histogram_quantile(0.99, rate(etcd_disk_backend_commit_duration_seconds_bucket[5m]))
> 0.25
for: 10m
labels:
severity: warning
annotations:
description: etcd instance {{ $labels.instance }} commit durations are high
summary: high commit durations