Overview


To improve front-end performance HostBill executes long-running tasks in the background queue. Those include, but not limit to:

When installing it's required to add crontab entry to run queue.php file every minute.

Improving Queue Performance


If you check Extras → System Logs → Task queue log in your HostBill, and find that there is a lot of tasks in Pending state, it means that queue is not performing well, which is caused by too-few queue workers available. To fix:


When using Office365 as email provider number of mail workers cannot be be set to more than 3, as your emails may be rejected with error: 4.3.2 STOREDRV