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When operating a distributed system like Zeebe, it is important to put proper monitoring in place.

To facilitate this, Zeebe exposes an extensive set of metrics.

Zeebe exposes metrics over an embedded HTTP server.

Types of metrics#

  • Counters: A time series that records a growing count of some unit. Examples: number of bytes transmitted over the network, number of process instances started.
  • Gauges: A time series that records the current size of some unit. Examples: number of currently open client connections, current number of partitions.

Metrics format#

Zeebe exposes metrics directly in Prometheus text format. Read details of the format in the Prometheus documentation.


# HELP zeebe_stream_processor_events_total Number of events processed by stream processor# TYPE zeebe_stream_processor_events_total counterzeebe_stream_processor_events_total{action="written",partition="1",} 20320.0zeebe_stream_processor_events_total{action="processed",partition="1",} 20320.0zeebe_stream_processor_events_total{action="skipped",partition="1",} 2153.0

Configuring metrics#

Configure the HTTP server to export the metrics in the configuration file.

Connecting Prometheus#

As explained, Zeebe exposes the metrics over a HTTP server. The default port is 9600.

Add the following entry to your prometheus.yml:

- job_name: zeebe  scrape_interval: 15s  metrics_path: /metrics  scheme: http  static_configs:  - targets:    - localhost: 9600

Available metrics#

All Zeebe-related metrics have a zeebe_-prefix.

Most metrics have the following common label:

  • partition: Cluster-unique id of the partition

Metrics related to process processing:

  • zeebe_stream_processor_events_total: The number of events processed by the stream processor. The action label separates processed, skipped, and written events.
  • zeebe_exporter_events_total: The number of events processed by the exporter processor. The action label separates exported and skipped events.
  • zeebe_element_instance_events_total: The number of occurred process element instance events. The action label separates the number of activated, completed, and terminated elements. The type label separates different BPMN element types.
  • zeebe_running_process_instances_total: The number of currently running process instances, i.e. not completed or terminated.
  • zeebe_job_events_total: The number of job events. The action label separates the number of created, activated, timed out, completed, failed, and canceled jobs.
  • zeebe_pending_jobs_total: The number of currently pending jobs, i.e. not completed or terminated.
  • zeebe_incident_events_total: The number of incident events. The action label separates the number of created and resolved incident events.
  • zeebe_pending_incidents_total: The number of currently pending incident, i.e. not resolved.

Metrics related to performance:

Zeebe has a back-pressure mechanism by which it rejects requests when it receives more requests than it can handle without incurring high processing latency.

Monitor back-pressure and processing latency of the commands using the following metrics:

  • zeebe_dropped_request_count_total: The number of user requests rejected by the broker due to backpressure.
  • zeebe_backpressure_requests_limit: The limit for the number of inflight requests used for backpressure.
  • zeebe_stream_processor_latency_bucket: The processing latency for commands and event.

Metrics related to health:

The health of partitions in a broker can be monitored by the metric zeebe_health.


Zeebe comes with a pre-built dashboard, available in the repository: monitor/grafana/zeebe.json.

Import it into your Grafana instance, then select the correct Prometheus data source (important if you have more than one), and you should be greeted with the following dashboard: