We removed the huge file and in just seconds it re-created this file, about 3mb in seconds with the following inside the file:
[15-Aug-2020 03:09:48] Notice: Sleep for started
[15-Aug-2020 03:09:48] Notice: queues_callback started
[15-Aug-2020 03:09:48] Notice: Sleep for started
[15-Aug-2020 03:09:48] Notice: queues_callback started
[15-Aug-2020 03:09:48] Notice: Sleep for started
[15-Aug-2020 03:09:48] Notice: queues_callback started
[15-Aug-2020 03:09:48] Notice: Sleep for started
[15-Aug-2020 03:09:48] Notice: queues_callback started
[15-Aug-2020 03:09:48] Notice: Sleep for started
[15-Aug-2020 03:09:48] Notice: queues_callback started
[15-Aug-2020 03:09:48] Notice: Sleep for started
[15-Aug-2020 03:09:48] Notice: queues_callback started
[15-Aug-2020 03:09:48] Notice: Sleep for started
[15-Aug-2020 03:09:48] Notice: queues_callback started
[15-Aug-2020 03:09:48] Notice: Sleep for started
[15-Aug-2020 03:09:48] Notice: queues_callback started
[15-Aug-2020 03:09:48] Notice: Sleep for started
[15-Aug-2020 03:09:48] Notice: queues_callback started
[15-Aug-2020 03:09:48] Notice: Sleep for started
[15-Aug-2020 03:09:48] Notice: queues_callback started
[15-Aug-2020 03:09:48] Notice: Sleep for started
[15-Aug-2020 03:09:48] Notice: queues_callback started
[15-Aug-2020 03:09:48] Notice: Sleep for started
[15-Aug-2020 03:09:48] Notice: queues_callback started
[15-Aug-2020 03:09:48] Notice: Sleep for started
[15-Aug-2020 03:09:48] Notice: queues_callback started
[15-Aug-2020 03:09:48] Notice: Sleep for started