apache-couchdb

alert: CouchDBUnhealthyCluster
annotations:
  description: '{{$labels.couchdb_cluster}} has reported a value of {{ printf "%.0f"
    $value }} for its stability over the last 5 minutes, which is below the threshold
    of 1.'
  summary: At least one of the nodes in a cluster is reporting the cluster as being
    unstable.
expr: |
  min by(job, couchdb_cluster) (couchdb_couch_replicator_cluster_is_stable) < 1
for: 5m
labels:
  severity: critical

alert: CouchDBHigh4xxResponseCodes
annotations:
  description: '{{ printf "%.0f" $value }} 4xx responses have been detected over the
    last 5 minutes on {{$labels.instance}}, which is above the threshold of 5.'
  summary: There are a high number of 4xx responses for incoming requests to a node.
expr: |
  sum by(job, instance) (increase(couchdb_httpd_status_codes{code=~"4.*"}[5m])) > 5
for: 5m
labels:
  severity: warning

alert: CouchDBHigh5xxResponseCodes
annotations:
  description: '{{ printf "%.0f" $value }} 5xx responses have been detected over the
    last 5 minutes on {{$labels.instance}}, which is above the threshold of 0.'
  summary: There are a high number of 5xx responses for incoming requests to a node.
expr: |
  sum by(job, instance) (increase(couchdb_httpd_status_codes{code=~"5.*"}[5m])) > 0
for: 5m
labels:
  severity: critical

alert: CouchDBModerateRequestLatency
annotations:
  description: 'An average of {{ printf "%.0f" $value }}ms of request latency has
    occurred over the last 5 minutes on {{$labels.instance}}, which is above the threshold
    of 500ms. '
  summary: There is a moderate level of request latency for a node.
expr: |
  sum by(job, instance) (couchdb_request_time_seconds_sum / couchdb_request_time_seconds_count) > 500
for: 5m
labels:
  severity: warning

alert: CouchDBHighRequestLatency
annotations:
  description: 'An average of {{ printf "%.0f" $value }}ms of request latency has
    occurred over the last 5 minutes on {{$labels.instance}}, which is above the threshold
    of 1000ms. '
  summary: There is a high level of request latency for a node.
expr: |
  sum by(job, instance) (couchdb_request_time_seconds_sum / couchdb_request_time_seconds_count) > 1000
for: 5m
labels:
  severity: critical

alert: CouchDBManyReplicatorJobsPending
annotations:
  description: '{{ printf "%.0f" $value }} replicator jobs are pending on {{$labels.instance}},
    which is above the threshold of 10. '
  summary: There is a high number of replicator jobs pending for a node.
expr: |
  sum by(job, instance) (couchdb_couch_replicator_jobs_pending) > 10
for: 5m
labels:
  severity: warning

alert: CouchDBReplicatorJobsCrashing
annotations:
  description: '{{ printf "%.0f" $value }} replicator jobs have crashed over the last
    5 minutes on {{$labels.instance}}, which is above the threshold of 0. '
  summary: There are replicator jobs crashing for a node.
expr: |
  sum by(job, instance) (increase(couchdb_couch_replicator_jobs_crashes_total[5m])) > 0
for: 5m
labels:
  severity: critical

alert: CouchDBReplicatorChangesQueuesDying
annotations:
  description: '{{ printf "%.0f" $value }} replicator changes queue processes have
    died over the last 5 minutes on {{$labels.instance}}, which is above the threshold
    of 0. '
  summary: There are replicator changes queue process deaths for a node.
expr: |
  sum by(job, instance) (increase(couchdb_couch_replicator_changes_queue_deaths_total[5m])) > 0
for: 5m
labels:
  severity: warning

alert: CouchDBReplicatorConnectionOwnersCrashing
annotations:
  description: '{{ printf "%.0f" $value }} replicator connection owner processes have
    crashed over the last 5 minutes on {{$labels.instance}}, which is above the threshold
    of 0. '
  summary: There are replicator connection owner process crashes for a node.
expr: |
  sum by(job, instance) (increase(couchdb_couch_replicator_connection_owner_crashes_total[5m])) > 0
for: 5m
labels:
  severity: warning

alert: CouchDBReplicatorConnectionWorkersCrashing
annotations:
  description: '{{ printf "%.0f" $value }} replicator connection worker processes
    have crashed over the last 5 minutes on {{$labels.instance}}, which is above the
    threshold of 0. '
  summary: There are replicator connection worker process crashes for a node.
expr: |
  sum by(job, instance) (increase(couchdb_couch_replicator_connection_worker_crashes_total[5m])) > 0
for: 5m
labels:
  severity: warning