I’m playing around a bit with nextcloud and image preview generation. Now I stumbled across the cron jobs.
In the file cron.php https://github.com/nextcloud/server/blob/89710bbdcf37ec92851adb68bd3af69a5c402f4a/cron.php#L117 I saw, that once a cron job has been triggered, we will execute the background jobs for 14 minutes. In the documentation https://docs.nextcloud.com/server/18/admin_manual/configuration_server/background_jobs_configuration.html#systemd it is mentioned, to configure the cron job to start every 5 minutes. This would mean, that if we have a long running cron job, we would have multiple cron jobs run in parallel. Is this the correct behavior or should the documentation be adapted, so that the nextcloudcron.timer runs every 15 minutes?