上传文件至「docker-compose/prometheus/promtheus/config/rules」

docker-compose/prometheus/promtheus/config/rules/cpu.yaml

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+groups:
+- name: cpu
+  interval: 15s
+  rules:
+  - alert: HighCpuUsage
+    expr: 1 - avg(irate(node_cpu_seconds_total{mode="idle"}[1m])) by (hostname) > 0.8
+    for: 30s
+    labels:
+      severity: warning
+    annotations:
+      summary: "主机 {{ $labels.hostname }} CPU 使用率过高"
+      description: "CPU 使用率: {{ $value | humanizePercentage }}"

docker-compose/prometheus/promtheus/config/rules/disk.yaml

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+groups:
+  - name: disk
+    interval: 15s
+    rules:
+      - alert: HighDiskUsageRoot
+        expr: (1 - node_filesystem_avail_bytes{mountpoint="/"} / node_filesystem_size_bytes{mountpoint="/"}) > 0.8
+        for: 5m
+        labels:
+          severity: critical
+          alert_type: disk
+        annotations:
+          summary: "主机 {{ $labels.hostname }} 根分区磁盘使用率过高"
+          description: "根分区 / 当前使用率: {{ $value | humanizePercentage }}（阈值80%）"
+
+      - alert: HighDiskUsageData
+        expr: (1 - node_filesystem_avail_bytes{mountpoint="/data"} / node_filesystem_size_bytes{mountpoint="/data"}) > 0.9
+        for: 5m
+        labels:
+          severity: warning
+          alert_type: disk
+        annotations:
+          summary: "主机 {{ $labels.hostname }} /data 分区磁盘使用率过高"
+          description: "/data 分区当前使用率: {{ $value | humanizePercentage }}（阈值90%）"

docker-compose/prometheus/promtheus/config/rules/mem.yaml

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+groups:
+  - name: memory
+    interval: 15s
+    rules:
+      - alert: HighMemoryUsage
+        expr: 1 - (node_memory_MemAvailable_bytes / node_memory_MemTotal_bytes) > 0.8
+        for: 2m
+        labels:
+          severity: warning
+          alert_type: memory
+        annotations:
+          summary: "主机 {{ $labels.hostname }} 内存使用率过高"
+          # 修正：移除不支持的函数，只保留百分比显示
+          description: "当前内存使用率: {{ $value | humanizePercentage }}（阈值80%）"

docker-compose/prometheus/promtheus/config/rules/mysql.yaml

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+groups:
+  - name: mysql
+    interval: 15s
+    rules:
+    - alert: MysqlDown
+      expr: mysql_up == 0
+      for: 0m
+      labels:
+        severity: critical
+      annotations:
+        summary: MySQL down (instance {{ $labels.instance }})
+        description: "MySQL instance is down on {{ $labels.instance }}\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"
+
+    - alert: MysqlTooManyConnections(>80%)
+      expr: max_over_time(mysql_global_status_threads_connected[1m]) / mysql_global_variables_max_connections * 100 > 80
+      for: 2m
+      labels:
+        severity: warning
+      annotations:
+        summary: MySQL too many connections (> 80%) (instance {{ $labels.instance }})
+        description: "More than 80% of MySQL connections are in use on {{ $labels.instance }}\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"
+
+    - alert: MysqlHighPreparedStatementsUtilization(>80%)
+      expr: max_over_time(mysql_global_status_prepared_stmt_count[1m]) / mysql_global_variables_max_prepared_stmt_count * 100 > 80
+      for: 2m
+      labels:
+        severity: warning
+      annotations:
+        summary: MySQL high prepared statements utilization (> 80%) (instance {{ $labels.instance }})
+        description: "High utilization of prepared statements (>80%) on {{ $labels.instance }}\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"
+    - alert: MysqlHighPreparedStatementsUtilization(>80%)
+      expr: max_over_time(mysql_global_status_prepared_stmt_count[1m]) / mysql_global_variables_max_prepared_stmt_count * 100 > 80
+      for: 2m
+      labels:
+        severity: warning
+      annotations:
+        summary: MySQL high prepared statements utilization (> 80%) (instance {{ $labels.instance }})
+        description: "High utilization of prepared statements (>80%) on {{ $labels.instance }}\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"
+
+    - alert: MysqlHighThreadsRunning
+      expr: max_over_time(mysql_global_status_threads_running[1m]) / mysql_global_variables_max_connections * 100 > 60
+      for: 2m
+      labels:
+        severity: warning
+      annotations:
+        summary: MySQL high threads running (instance {{ $labels.instance }})
+        description: "More than 60% of MySQL connections are in running state on {{ $labels.instance }}\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"
+
+    - alert: MysqlSlaveIoThreadNotRunning
+      expr: ( mysql_slave_status_slave_io_running and ON (instance) mysql_slave_status_master_server_id > 0 ) == 0
+      for: 0m
+      labels:
+        severity: critical
+      annotations:
+        summary: MySQL Slave IO thread not running (instance {{ $labels.instance }})
+        description: "MySQL Slave IO thread not running on {{ $labels.instance }}\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"
+
+    - alert: MysqlSlaveSqlThreadNotRunning
+      expr: ( mysql_slave_status_slave_sql_running and ON (instance) mysql_slave_status_master_server_id > 0) == 0
+      for: 0m
+      labels:
+        severity: critical
+      annotations:
+        summary: MySQL Slave SQL thread not running (instance {{ $labels.instance }})
+        description: "MySQL Slave SQL thread not running on {{ $labels.instance }}\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"
+  
+    - alert: MysqlSlaveReplicationLag
+      expr: ( (mysql_slave_status_seconds_behind_master - mysql_slave_status_sql_delay) and ON (instance) mysql_slave_status_master_server_id > 0 ) > 30
+      for: 1m
+      labels:
+        severity: critical
+      annotations:
+        summary: MySQL Slave replication lag (instance {{ $labels.instance }})
+        description: "MySQL replication lag on {{ $labels.instance }}\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"
+  
+    - alert: MysqlSlowQueries
+      expr: increase(mysql_global_status_slow_queries[1m]) > 0
+      for: 2m
+      labels:
+        severity: warning
+      annotations:
+        summary: MySQL slow queries (instance {{ $labels.instance }})
+        description: "MySQL server mysql has some new slow query.\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"
+  
+    - alert: MysqlInnodbLogWaits
+      expr: rate(mysql_global_status_innodb_log_waits[15m]) > 10
+      for: 0m
+      labels:
+        severity: warning
+      annotations:
+        summary: MySQL InnoDB log waits (instance {{ $labels.instance }})
+        description: "MySQL innodb log writes stalling\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"
+  
+    - alert: MysqlRestarted
+      expr: mysql_global_status_uptime < 60
+      for: 0m
+      labels:
+        severity: info
+      annotations:
+        summary: MySQL restarted (instance {{ $labels.instance }})
+        description: "MySQL has just been restarted, less than one minute ago on {{ $labels.instance }}.\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"
+  
+    - alert: MysqlHighQps
+      expr: irate(mysql_global_status_questions[1m]) > 10000
+      for: 2m
+      labels:
+        severity: info
+      annotations:
+        summary: MySQL High QPS (instance {{ $labels.instance }})
+        description: "MySQL is being overload with unusual QPS (> 10k QPS).\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"
+  
+    - alert: MysqlTooManyOpenFiles
+      expr: mysql_global_status_innodb_num_open_files / mysql_global_variables_open_files_limit * 100 > 75
+      for: 2m
+      labels:
+        severity: warning
+      annotations:
+        summary: MySQL too many open files (instance {{ $labels.instance }})
+        description: "MySQL has too many open files, consider increase variables open_files_limit on {{ $labels.instance }}.\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"
+  
+    - alert: MysqlInnodbForceRecoveryIsEnabled
+      expr: mysql_global_variables_innodb_force_recovery != 0
+      for: 2m
+      labels:
+        severity: warning
+      annotations:
+        summary: MySQL InnoDB Force Recovery is enabled (instance {{ $labels.instance }})
+        description: "MySQL InnoDB force recovery is enabled on {{ $labels.instance }}\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"
+  
+    - alert: MysqlInnodbHistory_lenTooLong
+      expr: mysql_info_schema_innodb_metrics_transaction_trx_rseg_history_len > 50000
+      for: 2m
+      labels:
+        severity: warning
+      annotations:
+        summary: MySQL InnoDB history_len too long (instance {{ $labels.instance }})
+        description: "MySQL history_len (undo log) too long on {{ $labels.instance }}\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"
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