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etcd3_alert.rules.yml
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etcd3_alert.rules.yml
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groups:
- name: etcd3_alert.rules
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: 100 * (sum(rate(grpc_server_handled_total{grpc_code!="OK",job="etcd"}[5m])) BY (grpc_service, grpc_method)
/ sum(rate(grpc_server_handled_total{job="etcd"}[5m])) BY (grpc_service, grpc_method)) > 1
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: 100 * (sum(rate(grpc_server_handled_total{grpc_code!="OK",job="etcd"}[5m])) BY (grpc_service, grpc_method)
/ sum(rate(grpc_server_handled_total{job="etcd"}[5m])) BY (grpc_service, grpc_method)) > 5
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, sum(rate(grpc_server_handling_seconds_bucket{job="etcd",grpc_type="unary"}[5m])) by (grpc_service, grpc_method, le))
> 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: 100 * (sum(rate(etcd_http_failed_total{job="etcd"}[5m])) BY (method) / sum(rate(etcd_http_received_total{job="etcd"}[5m]))
BY (method)) > 1
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: 100 * (sum(rate(etcd_http_failed_total{job="etcd"}[5m])) BY (method) / sum(rate(etcd_http_received_total{job="etcd"}[5m]))
BY (method)) > 5
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
- record: instance:fd_utilization
expr: process_open_fds / process_max_fds
- alert: FdExhaustionClose
expr: predict_linear(instance:fd_utilization[1h], 3600 * 4) > 1
for: 10m
labels:
severity: warning
annotations:
description: '{{ $labels.job }} instance {{ $labels.instance }} will exhaust
its file descriptors soon'
summary: file descriptors soon exhausted
- alert: FdExhaustionClose
expr: predict_linear(instance:fd_utilization[10m], 3600) > 1
for: 10m
labels:
severity: critical
annotations:
description: '{{ $labels.job }} instance {{ $labels.instance }} will exhaust
its file descriptors soon'
summary: file descriptors soon exhausted
- alert: EtcdMemberCommunicationSlow
expr: histogram_quantile(0.99, rate(etcd_network_peer_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