Scheduled Tasks (Cron Jobs)

Scheduled (cron) jobs run on the host and execute Django management commands inside the server container via docker exec. Because Django 6.0's native task framework has no built-in scheduler (only the db_worker for enqueued tasks), all periodic maintenance is driven by host cron.

Production cron jobs

Cron name	Schedule	Command	Purpose
ses-cleanup-remote-seats	daily 03:00	cleanup_remote_seats	Release remote-app seats left behind by closed/purged sessions
ses-prewarm-due-exams	every 5 min	prewarm_due_exams	Batch-provision remote-app seats for exams starting soon
ses-import-ems-exams	every 5 min	import_ems_exams --scheduled	Poll external EMS environments for new/updated exams
ses-cleanup-sso-sessions	daily 04:00	cleanup_expired_sso_sessions	Remove expired SSO sessions and refresh tokens
ses-cleanup-db-task-results	daily 04:05	prune_db_task_results --min-age-days 14 --failed-min-age-days 45	Purge finished task results (see Background Tasks)

Each job appends its output to a log under /var/log (e.g. ses-cleanup.log, ses-task-prune.log).

The background task worker (python manage.py db_worker) is a long-running service started by Docker, not a cron job.