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doc: sync prometheus rules with prometheus-operator version
(and remove non-etcd specific FdExhaustionClose) https://github.com/coreos/prometheus-operator/blob/master/helm/exporter-kube-etcd/templates/etcd3.rules.yaml sync etcd alert rules with libsonnet Signed-off-by: Dmitry Verkhoturov <paskal.07@gmail.com>
This commit is contained in:
Dmitry Verkhoturov
parent
abb57363ba
commit
358cc1a8fa
@ -149,33 +149,45 @@
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},
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},
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{
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record: 'instance:fd_utilization',
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expr: 'process_open_fds / process_max_fds',
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},
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{
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alert: 'FdExhaustionClose',
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alert: 'EtcdHighNumberOfFailedHTTPRequests',
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expr: |||
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predict_linear(instance:fd_utilization{%(etcd_selector)s}[1h], 3600 * 4) > 1
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sum(rate(etcd_http_failed_total{%(etcd_selector)s}[5m])) BY (method) / sum(rate(etcd_http_received_total{%(etcd_selector)s}[5m]))
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BY (method) > 0.01
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||| % $._config,
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'for': '10m',
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labels: {
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severity: 'warning',
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},
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annotations: {
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message: '{{ $labels.job }} instance {{ $labels.instance }} will exhaust its file descriptors soon',
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message: '{{ $value }}% of requests for {{ $labels.method }} failed on etcd instance {{ $labels.instance }}',
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},
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},
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{
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alert: 'FdExhaustionClose',
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alert: 'EtcdHighNumberOfFailedHTTPRequests',
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expr: |||
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predict_linear(instance:fd_utilization{%(etcd_selector)s}[10m], 3600) > 1
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sum(rate(etcd_http_failed_total{%(etcd_selector)s}[5m])) BY (method) / sum(rate(etcd_http_received_total{%(etcd_selector)s}[5m]))
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BY (method) > 0.05
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||| % $._config,
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'for': '10m',
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labels: {
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severity: 'critical',
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},
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annotations: {
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description: '{{ $labels.job }} instance {{ $labels.instance }} will exhaust its file descriptors soon',
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message: '{{ $value }}% of requests for {{ $labels.method }} failed on etcd instance {{ $labels.instance }}.',
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},
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},
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{
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alert: 'EtcdHTTPRequestsSlow',
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expr: |||
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histogram_quantile(0.99, rate(etcd_http_successful_duration_seconds_bucket[5m]))
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> 0.15
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||| % $._config,
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'for': '10m',
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labels: {
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severity: 'warning',
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},
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annotations: {
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message: 'Etcd instance {{ $labels.instance }} HTTP requests to {{ $labels.method }} are slow.',
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},
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},
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],
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@ -1,113 +1,133 @@
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groups:
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- name: etcd3_alert.rules
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- name: etcd
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rules:
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- alert: InsufficientMembers
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expr: count(up{job="etcd"} == 0) > (count(up{job="etcd"}) / 2 - 1)
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- alert: EtcdInsufficientMembers
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annotations:
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message: 'Etcd cluster "{{ $labels.job }}": insufficient members ({{ $value
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}}).'
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expr: |
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sum(up{job=~".*etcd.*"} == bool 1) by (job) < ((count(up{job=~".*etcd.*"}) by (job) + 1) / 2)
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for: 3m
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labels:
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severity: critical
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- alert: EtcdNoLeader
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annotations:
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description: If one more etcd member goes down the cluster will be unavailable
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summary: etcd cluster insufficient members
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- alert: NoLeader
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expr: etcd_server_has_leader{job="etcd"} == 0
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message: 'Etcd cluster "{{ $labels.job }}": member {{ $labels.instance }} has
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no leader.'
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expr: |
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etcd_server_has_leader{job=~".*etcd.*"} == 0
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for: 1m
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labels:
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severity: critical
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- alert: EtcdHighNumberOfLeaderChanges
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annotations:
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description: etcd member {{ $labels.instance }} has no leader
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summary: etcd member has no leader
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- alert: HighNumberOfLeaderChanges
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expr: increase(etcd_server_leader_changes_seen_total{job="etcd"}[1h]) > 3
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message: 'Etcd cluster "{{ $labels.job }}": instance {{ $labels.instance }}
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has seen {{ $value }} leader changes within the last hour.'
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expr: |
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rate(etcd_server_leader_changes_seen_total{job=~".*etcd.*"}[15m]) > 3
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for: 15m
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labels:
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severity: warning
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- alert: EtcdHighNumberOfFailedGRPCRequests
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annotations:
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description: etcd instance {{ $labels.instance }} has seen {{ $value }} leader
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changes within the last hour
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summary: a high number of leader changes within the etcd cluster are happening
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- alert: HighNumberOfFailedGRPCRequests
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expr: 100 * (sum(rate(grpc_server_handled_total{grpc_code!="OK",job="etcd"}[5m])) BY (grpc_service, grpc_method)
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/ sum(rate(grpc_server_handled_total{job="etcd"}[5m])) BY (grpc_service, grpc_method)) > 1
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message: 'Etcd cluster "{{ $labels.job }}": {{ $value }}% of requests for {{
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$labels.grpc_method }} failed on etcd instance {{ $labels.instance }}.'
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expr: |
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100 * sum(rate(grpc_server_handled_total{job=~".*etcd.*", grpc_code!="OK"}[5m])) BY (job, instance, grpc_service, grpc_method)
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/
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sum(rate(grpc_server_handled_total{job=~".*etcd.*"}[5m])) BY (job, instance, grpc_service, grpc_method)
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> 1
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for: 10m
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labels:
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severity: warning
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- alert: EtcdHighNumberOfFailedGRPCRequests
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annotations:
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description: '{{ $value }}% of requests for {{ $labels.grpc_method }} failed
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on etcd instance {{ $labels.instance }}'
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summary: a high number of gRPC requests are failing
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- alert: HighNumberOfFailedGRPCRequests
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expr: 100 * (sum(rate(grpc_server_handled_total{grpc_code!="OK",job="etcd"}[5m])) BY (grpc_service, grpc_method)
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/ sum(rate(grpc_server_handled_total{job="etcd"}[5m])) BY (grpc_service, grpc_method)) > 5
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message: 'Etcd cluster "{{ $labels.job }}": {{ $value }}% of requests for {{
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$labels.grpc_method }} failed on etcd instance {{ $labels.instance }}.'
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expr: |
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100 * sum(rate(grpc_server_handled_total{job=~".*etcd.*", grpc_code!="OK"}[5m])) BY (job, instance, grpc_service, grpc_method)
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/
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sum(rate(grpc_server_handled_total{job=~".*etcd.*"}[5m])) BY (job, instance, grpc_service, grpc_method)
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> 5
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for: 5m
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labels:
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severity: critical
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- alert: EtcdGRPCRequestsSlow
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annotations:
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description: '{{ $value }}% of requests for {{ $labels.grpc_method }} failed
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on etcd instance {{ $labels.instance }}'
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summary: a high number of gRPC requests are failing
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- alert: GRPCRequestsSlow
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expr: histogram_quantile(0.99, sum(rate(grpc_server_handling_seconds_bucket{job="etcd",grpc_type="unary"}[5m])) by (grpc_service, grpc_method, le))
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message: 'Etcd cluster "{{ $labels.job }}": gRPC requests to {{ $labels.grpc_method
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}} are taking {{ $value }}s on etcd instance {{ $labels.instance }}.'
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expr: |
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histogram_quantile(0.99, sum(rate(grpc_server_handling_seconds_bucket{job=~".*etcd.*", grpc_type="unary"}[5m])) by (job, instance, grpc_service, grpc_method, le))
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> 0.15
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for: 10m
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labels:
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severity: critical
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annotations:
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description: on etcd instance {{ $labels.instance }} gRPC requests to {{ $labels.grpc_method
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}} are slow
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summary: slow gRPC requests
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- record: instance:fd_utilization
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expr: process_open_fds / process_max_fds
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- alert: FdExhaustionClose
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expr: predict_linear(instance:fd_utilization[1h], 3600 * 4) > 1
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for: 10m
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labels:
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severity: warning
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annotations:
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description: '{{ $labels.job }} instance {{ $labels.instance }} will exhaust
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its file descriptors soon'
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summary: file descriptors soon exhausted
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- alert: FdExhaustionClose
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expr: predict_linear(instance:fd_utilization[10m], 3600) > 1
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for: 10m
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labels:
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severity: critical
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annotations:
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description: '{{ $labels.job }} instance {{ $labels.instance }} will exhaust
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its file descriptors soon'
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summary: file descriptors soon exhausted
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- alert: EtcdMemberCommunicationSlow
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expr: histogram_quantile(0.99, rate(etcd_network_peer_round_trip_time_seconds_bucket[5m]))
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annotations:
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message: 'Etcd cluster "{{ $labels.job }}": member communication with {{ $labels.To
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}} is taking {{ $value }}s on etcd instance {{ $labels.instance }}.'
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expr: |
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histogram_quantile(0.99, rate(etcd_network_peer_round_trip_time_seconds_bucket{job=~".*etcd.*"}[5m]))
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> 0.15
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for: 10m
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labels:
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severity: warning
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- alert: EtcdHighNumberOfFailedProposals
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annotations:
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description: etcd instance {{ $labels.instance }} member communication with
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{{ $labels.To }} is slow
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summary: etcd member communication is slow
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- alert: HighNumberOfFailedProposals
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expr: increase(etcd_server_proposals_failed_total{job="etcd"}[1h]) > 5
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message: 'Etcd cluster "{{ $labels.job }}": {{ $value }} proposal failures within
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the last hour on etcd instance {{ $labels.instance }}.'
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expr: |
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rate(etcd_server_proposals_failed_total{job=~".*etcd.*"}[15m]) > 5
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for: 15m
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labels:
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severity: warning
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- alert: EtcdHighFsyncDurations
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annotations:
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description: etcd instance {{ $labels.instance }} has seen {{ $value }} proposal
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failures within the last hour
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summary: a high number of proposals within the etcd cluster are failing
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- alert: HighFsyncDurations
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expr: histogram_quantile(0.99, rate(etcd_disk_wal_fsync_duration_seconds_bucket[5m]))
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message: 'Etcd cluster "{{ $labels.job }}": 99th percentile fync durations are
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{{ $value }}s on etcd instance {{ $labels.instance }}.'
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expr: |
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histogram_quantile(0.99, rate(etcd_disk_wal_fsync_duration_seconds_bucket{job=~".*etcd.*"}[5m]))
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> 0.5
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for: 10m
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labels:
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severity: warning
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- alert: EtcdHighCommitDurations
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annotations:
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description: etcd instance {{ $labels.instance }} fync durations are high
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summary: high fsync durations
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- alert: HighCommitDurations
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expr: histogram_quantile(0.99, rate(etcd_disk_backend_commit_duration_seconds_bucket[5m]))
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message: 'Etcd cluster "{{ $labels.job }}": 99th percentile commit durations
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{{ $value }}s on etcd instance {{ $labels.instance }}.'
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expr: |
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histogram_quantile(0.99, rate(etcd_disk_backend_commit_duration_seconds_bucket{job=~".*etcd.*"}[5m]))
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> 0.25
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for: 10m
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labels:
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severity: warning
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- alert: EtcdHighNumberOfFailedHTTPRequests
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annotations:
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description: etcd instance {{ $labels.instance }} commit durations are high
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summary: high commit durations
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message: '{{ $value }}% of requests for {{ $labels.method }} failed on etcd
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instance {{ $labels.instance }}'
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expr: |
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sum(rate(etcd_http_failed_total{job=~".*etcd.*"}[5m])) BY (method) / sum(rate(etcd_http_received_total{job=~".*etcd.*"}[5m]))
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BY (method) > 0.01
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for: 10m
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labels:
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severity: warning
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- alert: EtcdHighNumberOfFailedHTTPRequests
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annotations:
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message: '{{ $value }}% of requests for {{ $labels.method }} failed on etcd
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instance {{ $labels.instance }}.'
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expr: |
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sum(rate(etcd_http_failed_total{job=~".*etcd.*"}[5m])) BY (method) / sum(rate(etcd_http_received_total{job=~".*etcd.*"}[5m]))
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BY (method) > 0.05
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for: 10m
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labels:
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severity: critical
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- alert: EtcdHTTPRequestsSlow
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annotations:
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message: Etcd instance {{ $labels.instance }} HTTP requests to {{ $labels.method
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}} are slow.
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expr: |
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histogram_quantile(0.99, rate(etcd_http_successful_duration_seconds_bucket[5m]))
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> 0.15
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for: 10m
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labels:
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severity: warning
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