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docs-v2/content/influxdb/v2.1/reference/internals/system-buckets.md

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title description menu weight influxdb/v2.1/tags related
InfluxDB system buckets InfluxDB system buckets contain time series data used by and generated from the InfluxDB monitoring and alerting system and the task engine.
influxdb_2_1_ref
name parent
System buckets InfluxDB internals
103
buckets
/influxdb/v2.1/monitor-alert/
/influxdb/v2.1/process-data/
/{{< latest "flux" >}}/stdlib/influxdata/influxdb/monitor/check/
/{{< latest "flux" >}}/stdlib/influxdata/influxdb/monitor/deadman/
/{{< latest "flux" >}}/stdlib/influxdata/influxdb/monitor/from/
/{{< latest "flux" >}}/stdlib/influxdata/influxdb/monitor/logs/
/{{< latest "flux" >}}/stdlib/influxdata/influxdb/monitor/notify/

InfluxDB system buckets contain time series data used by and generated from the InfluxDB monitoring and alerting system and the task engine.

Each InfluxDB organization includes the following system buckets:

{{% note %}} The system bucket schemas below reference InfluxDB data elements. For more information, see InfluxDB key concepts. {{% /note %}}

_monitoring system bucket

The _monitoring system bucket stores InfluxDB data used to monitor data and send alerts.

Data retention: 7 days

_monitoring bucket schema

  • statuses (measurement)

    • tags:
      • _check_id: check ID
      • _check_name: check name
      • _level: level evaluated by the check (ok, info, warn, or crit)
      • _source_measurement: original measurement queried by the check
      • _type: check type (threshold or deadman)
      • other tags inherited from queried data or added in the check configuration
    • fields:
      • _message: message generated by the check
      • _source_timestamp: original timestamp of the queried data
      • other fields inherited from queried data

  • notifications (measurement)

    • tags:
      • _check_id: check ID that triggered the notification
      • _check_name: check name that triggered the notification
      • _level: check-evaluated level that triggered the notification (ok, info, warn, or crit)
      • _notification_endpoint_id: notification endpoint ID
      • _notification_endpoint_name: notification endpoint name
      • _notification_rule_id: notification rule ID
      • _notification_rule_name: notification rule name
      • _sent: sent status (true or false)
      • _source_measurement: original measurement queried by the check
      • _type: check type (threshold or deadman)
      • other tags inherited from queried data or added in the check configuration
    • fields:
      • _message: message generated by the check
      • _source_timestamp: original timestamp of the queried data
      • _status_timestamp: timestamp when the status (_level) was evaluated
      • other fields inherited from queried data

  • {{% cloud-only %}}

    rejected_points (measurement)

    • tags:
      • bucket: ID of the bucket targeted in the write request
      • reason: brief description of why InfluxDB rejected the point
      • field: field name of the point (present if the point contained a field)
      • measurement: measurement of the point (present if the point contained a measurement)
      • gotType: InfluxDB field type in the point (present if type mismatch)
      • wantType: InfluxDB field type in the bucket schema (present if type mismatch)
    • fields:
      • _field: count (for data type and schema conflicts) or error (for parsing errors)
      • _value: 1 if _field: "count" or error details if _field: "error"
      • timestamp: time the rejected point was logged {{% /cloud-only %}}

_tasks system bucket

The _tasks system bucket stores data related to InfluxDB task executions.

Data retention: 3 days

_tasks bucket schema

A task run refers to a single task execution.

  • runs (measurement)
    • tags:
      • status: task run status (success or failed)
      • taskID: task ID
    • fields:
      • finishedAt: timestamp when the task run finished
      • logs: log output from the task run
      • requestedAt: timestamp when the task run was requested
      • runID task run ID
      • scheduledFor: timestamp the task run was scheduled for
      • startedAt: timestamp when the task run started