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Version: 2.0

Requests and Jobs processing

Parallelization of every process in a key architectural concept for REGARDS.

To do so, REGARDS use Requests and Jobs notions :

  • Request : Is the process request information received by a service.
  • Job : Is the work done by the service in a separate Thread for a batch of requests.

Regards Jobs system is configurable on each REGARDS microservice by setting :

  • Jobs pool size. If you want each instance of one microservice type to be able to process more Jobs in parallel.
  • Requests batch size. If you want to configure the number of requests handled by a single job.
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You can raise these parameters in relation with server resources and database pool connection size.

To make the fullest use of the Jobs system, each process request received by a Regards microservice is handled with the same algorithm:

  1. Process request is received by a microservice (AMQP API or REST API).
  2. Request format and consistency is validated.
  3. Valid requests are saved in microservice database with a Granted state.
  4. A planned task or Scheduler check for requests in Granted state.
  5. The scheduler create one or many Jobs with associated requests, save Jobs in database and update requests with Scheduled state. The number of requests per jobs is a configurable parameter in most of the microservices.
  6. Job is executed by the Job Service.
  7. Requests are updated to Success or Error status.

To learn more about Job system and its usage in Regards Microservice, see Module Jobs