{
  "AMBARI": {
    "service": [
    ],
    "AMBARI_SERVER" : [
      {
        "name": "ambari_server_agent_heartbeat",
        "label": "Ambari Agent Heartbeat",
        "description": "This alert is triggered if the server has lost contact with an agent.",
        "interval": 2,
        "help_url": "https://cwiki.apache.org/confluence/display/AMBARI/Ambari+Alerts#AmbariAlerts-ambari_agent_heartbeat",
        "scope": "HOST",
        "enabled": true,
        "source": {
          "type": "SERVER",
          "class": "org.apache.ambari.server.alerts.AgentHeartbeatAlertRunnable"
        }
      },
      {
        "name": "ambari_server_stale_alerts",
        "label": "Ambari Server Alerts",
        "description": "This alert is triggered if the server detects that there are alerts which have not run in a timely manner.",
        "interval": 5,
        "scope": "SERVICE",
        "enabled": true,
        "source": {
          "type": "SERVER",
          "class": "org.apache.ambari.server.alerts.StaleAlertRunnable",
          "parameters": [
            {
              "name": "stale.interval.multiplier",
              "display_name": "Interval Multiplier",
              "value": 2,
              "type": "NUMERIC",
              "description": "The number of intervals which must pass before an an alert is considered stale. This value is a multiplier for each alert's individual interval.",
              "units": "Intervals",
              "threshold": "CRITICAL"
            }
          ]
        }
      },
      {
        "name": "ambari_server_performance",
        "label": "Ambari Server Performance",
        "description": "This alert is triggered if the Ambari Server detects that there is a potential performance problem with Ambari. This type of issue can arise for many reasons, but is typically attributed to slow database queries and host resource exhaustion.",
        "interval": 5,
        "scope": "SERVICE",
        "enabled": true,
        "source": {
          "type": "SERVER",
          "class": "org.apache.ambari.server.alerts.AmbariPerformanceRunnable",
          "parameters": [
            {
              "name": "request.by.status.warning.threshold",
              "display_name": "Get Request Progress",
              "value": 3000,
              "type": "NUMERIC",
              "description": "The time to find requests in progress before a warning alert is triggered.",
              "units": "ms",
              "threshold": "WARNING"
            },
            {
              "name": "request.by.status.critical.threshold",
              "display_name": "Get Request Progress",
              "value": 5000,
              "type": "NUMERIC",
              "description": "The time to find requests in progress before a critical alert is triggered.",
              "units": "ms",
              "threshold": "CRITICAL"
            },
            {
              "name": "task.status.aggregation.warning.threshold",
              "display_name": "Get Request Status",
              "value": 3000,
              "type": "NUMERIC",
              "description": "The time to calculate a request's status from its tasks before a warning alert is triggered.",
              "units": "ms",
              "threshold": "WARNING"
            },
            {
              "name": "task.status.aggregation.critical.threshold",
              "display_name": "Get Request Status",
              "value": 5000,
              "type": "NUMERIC",
              "description": "The time to calculate a request's status from its tasks before a critical alert is triggered.",
              "units": "ms",
              "threshold": "CRITICAL"
            },
            {
              "name": "rest.api.cluster.warning.threshold",
              "display_name": "Get Cluster",
              "value": 5000,
              "type": "NUMERIC",
              "description": "The time to get a cluster via the REST API before a warning alert is triggered.",
              "units": "ms",
              "threshold": "WARNING"
            },
            {
              "name": "rest.api.cluster.critical.threshold",
              "display_name": "Get Cluster",
              "value": 7000,
              "type": "NUMERIC",
              "description": "The time to get a cluster via the REST API before a critical alert is triggered.",
              "units": "ms",
              "threshold": "CRITICAL"
            }
          ]
        }
      },
      {
        "name": "ambari_server_component_version",
        "label": "Component Version",
        "description": "This alert is triggered if the server detects that there is a problem with the expected and reported version of a component. The alert is suppressed automatically during an upgrade.",
        "interval": 5,
        "scope": "SERVICE",
        "enabled": true,
        "source": {
          "type": "SERVER",
          "class": "org.apache.ambari.server.alerts.ComponentVersionAlertRunnable"
        }
      }
    ],
    "AMBARI_AGENT" : [
      {
        "name": "ambari_agent_disk_usage",
        "label": "Host Disk Usage",
        "description": "This host-level alert is triggered if the amount of disk space used goes above specific thresholds. The default threshold values are 50% for WARNING and 80% for CRITICAL.",
        "interval": 1,
        "scope": "HOST",
        "enabled": true,
        "source": {
          "type": "SCRIPT",
          "path": "alert_disk_space.py",
          "parameters": [
            {
              "name": "minimum.free.space",
              "display_name": "Minimum Free Space",
              "value": 5000000000,
              "type": "NUMERIC",
              "description": "The overall amount of free disk space left before an alert is triggered.",
              "units": "bytes",
              "threshold": "WARNING"
            },
            {
              "name": "percent.used.space.warning.threshold",
              "display_name": "Warning",
              "value": 50,
              "type": "PERCENT",
              "description": "The percent of disk space consumed before a warning is triggered.",
              "units": "%",
              "threshold": "WARNING"
            },
            {
              "name": "percent.free.space.critical.threshold",
              "display_name": "Critical",
              "value": 80,
              "type": "PERCENT",
              "description": "The percent of disk space consumed before a critical alert is triggered.",
              "units": "%",
              "threshold": "CRITICAL"
            }
          ]
        }
      },
      {
        "name": "ambari_agent_ulimit",
        "label": "Ulimit for open files",
        "description": "This host-level alert is triggered if value of ulimit for open files (-n) goes above specific thresholds. The default threshold values are 200000 for WARNING and 800000 for CRITICAL.",
        "interval": 1,
        "scope": "HOST",
        "enabled": true,
        "source": {
          "type": "SCRIPT",
          "path": "alert_ulimit.py",
          "parameters": [
            {
              "name": "ulimit.warning.threshold",
              "display_name": "Warning",
              "value": 200000,
              "type": "NUMERIC",
              "description": "The threshold of ulimit for open files (-n) for WARNING alert.",
              "threshold": "WARNING"
            },
            {
              "name": "ulimit.critical.threshold",
              "display_name": "Critical",
              "value": 800000,
              "type": "NUMERIC",
              "description": "The threshold of ulimit for open files (-n) for CRITICAL alert.",
              "threshold": "CRITICAL"
            }
          ]
        }
      },
      {
        "name": "ambari_agent_version_select",
        "label": "Ambari Agent Distro/Conf Select Versions",
        "description": "This host-level alert is triggered if the distro selector such as hdp-select cannot calculate versions available on this host. This may indicate that /usr/$stack/ directory has links/dirs that do not belong inside of it.",
        "interval": 5,
        "scope": "HOST",
        "enabled": true,
        "source": {
          "type": "SCRIPT",
          "path": "alert_version_select.py"
        }
      }

    ]
  }
}