158 lines
8.8 KiB
YAML
158 lines
8.8 KiB
YAML
apiVersion: monitoring.coreos.com/v1
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kind: PrometheusRule
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metadata:
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name: clickhouse
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namespace: rybbit
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labels:
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app.kubernetes.io/name: clickhouse
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app.kubernetes.io/instance: rybbit
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app.kubernetes.io/part-of: rybbit
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spec:
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groups:
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- name: EmbeddedExporter
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rules:
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- alert: ClickHouseNodeDown
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expr: up{job="clickhouse"} == 0
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for: 2m
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labels:
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severity: critical
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annotations:
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summary: ClickHouse node down (instance {{ $labels.instance }})
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description: "No metrics received from ClickHouse exporter for over 2 minutes.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
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- alert: ClickHouseMemoryUsageCritical
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expr: ClickHouseAsyncMetrics_CGroupMemoryUsed / ClickHouseAsyncMetrics_CGroupMemoryTotal * 100 > 90 and ClickHouseAsyncMetrics_CGroupMemoryTotal > 0
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for: 5m
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labels:
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severity: critical
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annotations:
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summary: ClickHouse Memory Usage Critical (instance {{ $labels.instance }})
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description: "Memory usage is critically high, over 90%.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
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- alert: ClickHouseMemoryUsageWarning
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expr: ClickHouseAsyncMetrics_CGroupMemoryUsed / ClickHouseAsyncMetrics_CGroupMemoryTotal * 100 > 80 and ClickHouseAsyncMetrics_CGroupMemoryTotal > 0
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for: 5m
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labels:
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severity: warning
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annotations:
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summary: ClickHouse Memory Usage Warning (instance {{ $labels.instance }})
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description: "Memory usage is over 80%.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
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- alert: ClickHouseDiskSpaceLowOnDefault
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expr: ClickHouseAsyncMetrics_DiskAvailable_default / (ClickHouseAsyncMetrics_DiskAvailable_default + ClickHouseAsyncMetrics_DiskUsed_default) * 100 < 20 and (ClickHouseAsyncMetrics_DiskAvailable_default + ClickHouseAsyncMetrics_DiskUsed_default) > 0
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for: 2m
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labels:
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severity: warning
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annotations:
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summary: ClickHouse Disk Space Low on Default (instance {{ $labels.instance }})
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description: "Disk space on default is below 20%.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
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- alert: ClickHouseDiskSpaceCriticalOnDefault
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expr: ClickHouseAsyncMetrics_DiskAvailable_default / (ClickHouseAsyncMetrics_DiskAvailable_default + ClickHouseAsyncMetrics_DiskUsed_default) * 100 < 10 and (ClickHouseAsyncMetrics_DiskAvailable_default + ClickHouseAsyncMetrics_DiskUsed_default) > 0
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for: 2m
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labels:
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severity: critical
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annotations:
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summary: ClickHouse Disk Space Critical on Default (instance {{ $labels.instance }})
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description: "Disk space on default disk is critically low, below 10%.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
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- alert: ClickHouseDiskSpaceLowOnBackups
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expr: ClickHouseAsyncMetrics_DiskAvailable_backups / (ClickHouseAsyncMetrics_DiskAvailable_backups + ClickHouseAsyncMetrics_DiskUsed_backups) * 100 < 20 and (ClickHouseAsyncMetrics_DiskAvailable_backups + ClickHouseAsyncMetrics_DiskUsed_backups) > 0
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for: 2m
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labels:
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severity: warning
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annotations:
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summary: ClickHouse Disk Space Low on Backups (instance {{ $labels.instance }})
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description: "Disk space on backups is below 20%.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
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- alert: ClickHouseReplicaErrors
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expr: ClickHouseErrorMetric_ALL_REPLICAS_ARE_STALE == 1 or ClickHouseErrorMetric_ALL_REPLICAS_LOST == 1
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for: 0m
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labels:
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severity: critical
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annotations:
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summary: ClickHouse Replica Errors (instance {{ $labels.instance }})
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description: "Critical replica errors detected, either all replicas are stale or lost.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
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- alert: ClickHouseNoAvailableReplicas
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expr: ClickHouseErrorMetric_NO_AVAILABLE_REPLICA == 1
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for: 0m
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labels:
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severity: critical
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annotations:
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summary: ClickHouse No Available Replicas (instance {{ $labels.instance }})
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description: "No available replicas in ClickHouse.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
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- alert: ClickHouseNoLiveReplicas
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expr: ClickHouseErrorMetric_TOO_FEW_LIVE_REPLICAS == 1
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for: 0m
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labels:
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severity: critical
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annotations:
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summary: ClickHouse No Live Replicas (instance {{ $labels.instance }})
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description: "There are too few live replicas available, risking data loss and service disruption.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
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- alert: ClickHouseHighTCPConnections
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expr: ClickHouseMetrics_TCPConnection > 400
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for: 5m
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labels:
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severity: warning
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annotations:
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summary: ClickHouse High TCP Connections (instance {{ $labels.instance }})
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description: "High number of TCP connections, indicating heavy client or inter-cluster communication.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
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- alert: ClickHouseInterserverConnectionIssues
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expr: ClickHouseMetrics_InterserverConnection > 50
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for: 5m
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labels:
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severity: warning
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annotations:
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summary: ClickHouse Interserver Connection Issues (instance {{ $labels.instance }})
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description: "High number of interserver connections may indicate replication or distributed query handling issues.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
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- alert: ClickHouseZooKeeperConnectionIssues
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expr: ClickHouseMetrics_ZooKeeperSession != 1
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for: 3m
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labels:
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severity: warning
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annotations:
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summary: ClickHouse ZooKeeper Connection Issues (instance {{ $labels.instance }})
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description: "ClickHouse is experiencing issues with ZooKeeper connections, which may affect cluster state and coordination.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
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- alert: ClickHouseAuthenticationFailures
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expr: increase(ClickHouseErrorMetric_AUTHENTICATION_FAILED[5m]) > 3
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for: 0m
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labels:
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severity: info
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annotations:
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summary: ClickHouse Authentication Failures (instance {{ $labels.instance }})
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description: "Authentication failures detected, indicating potential security issues or misconfiguration.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
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- alert: ClickHouseAccessDeniedErrors
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expr: increase(ClickHouseErrorMetric_RESOURCE_ACCESS_DENIED[5m]) > 3
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for: 0m
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labels:
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severity: info
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annotations:
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summary: ClickHouse Access Denied Errors (instance {{ $labels.instance }})
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description: "Access denied errors have been logged, which could indicate permission issues or unauthorized access attempts.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
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- alert: ClickHouseRejectedInsertQueries
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expr: increase(ClickHouseProfileEvents_RejectedInserts[1m]) > 2
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for: 1m
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labels:
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severity: warning
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annotations:
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summary: ClickHouse rejected insert queries (instance {{ $labels.instance }})
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description: "INSERTs rejected due to too many active data parts. Reduce insert frequency.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
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- alert: ClickHouseDelayedInsertQueries
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expr: increase(ClickHouseProfileEvents_DelayedInserts[5m]) > 10
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for: 2m
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labels:
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severity: warning
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annotations:
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summary: ClickHouse delayed insert queries (instance {{ $labels.instance }})
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description: "INSERTs delayed due to high number of active parts.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
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- alert: ClickHouseZookeeperHardwareException
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expr: increase(ClickHouseProfileEvents_ZooKeeperHardwareExceptions[1m]) > 0
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for: 1m
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labels:
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severity: critical
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annotations:
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summary: ClickHouse zookeeper hardware exception (instance {{ $labels.instance }})
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description: "Zookeeper hardware exception: network issues communicating with ZooKeeper\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
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- alert: ClickHouseDistributedRejectedInserts
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expr: increase(ClickHouseProfileEvents_DistributedRejectedInserts[5m]) > 3
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for: 2m
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labels:
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severity: critical
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annotations:
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summary: ClickHouse distributed rejected inserts (instance {{ $labels.instance }})
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description: "INSERTs into Distributed tables rejected due to pending bytes limit.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
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