Skip to content

Services

As spool-only version of PLOSSYS Output Engine, Local Spooler contains only part of the Output Engine services as listed below.

On how to list, start and stop the services, refer to Administrate the Output Engine Services.

Each service has their own log file. You can find those here:

  • Windows: C:\ProgramData\SEAL Systems\log
  • Linux: /var/log/seal

The services expose Prometheus metrics that provide insights into their operation and performance, and can help to identify any potential issues.

For the list of ports used by the services, refer to Ports.


Local Spooler Services

Service Description Metrics
seal-checkin Is the entry point for LPR jobs. metrics
seal-checkout Responsible for sending the print job to the printer. metrics
seal-co-notifier Sends job status notifications to SAP and IPP backend systems. metrics
seal-controller Handles job and printer statuses and dispatches print jobs via streaming to follow-up services. metrics
seal-convert-dispatcher Dispatches document conversions to other convert services. metrics
seal-housekeeper Cleans up old print jobs. metrics
seal-ipp-checkin Entry point for IPP jobs. metrics
seal-job-notifier Sends job status notifications to the configured destinations. metrics
seal-out-ngn-message-relay Relay service for the transactional outbox pattern. metrics
seal-rest REST API for {{ FULL_NAME }}. Refer to Output Engine OpenAPI Specification for more information. metrics

Infrastructure Services

Service Description Product
seal-consul-agent Core process of Consul. The agent maintains membership information, registers services, runs checks, responds to queries, and more. Consul by HashiCorp
seal-mongodb Document database designed for ease of application development and scaling. SEAL MongoDB
seal-nats Fail-safe message broker for distributed systems. Prevents message loss. SEAL NATS

Back to top