We use CloudLinux on our Linux servers (cPanel and DirectAdmin) and set resource limits with each hosting account/plan. The following are our current limits**:
Web Hosting Plan Limits:
Entry
CPU = 100%
RAM = 3 GB
Entry Processes = 30
I/O = 50 MB/sec
IOPS = 5024
Inodes = Unlimited
Advanced
CPU = 150%
RAM = 5 GB
Entry Processes = 50
I/O = 70 MB/sec
IOPS = 7024
Inodes = Unlimited
Expert
CPU = 200%
RAM = 6 GB
Entry Processes = 60
I/O = 80 MB/sec
IOPS = 10024
Inodes = Unlimited
Reseller Hosting Plan Limits:
Reseller Entry *
CPU = 100%
RAM = 3 GB
Entry Processes = 30
I/O = 50 MB/sec
IOPS = 5024
Inodes = Unlimited
Reseller Advanced *
CPU = 150%
RAM = 5 GB
Entry Processes = 50
I/O = 70 MB/sec
IOPS = 7024
Inodes = Unlimited
Reseller Expert *
CPU = 200%
RAM = 6 GB
Entry Processes = 60
I/O = 80 MB/sec
IOPS = 10024
Inodes = Unlimited
* Reseller amounts listed are for the resellers main account only. All sub accounts created by the reseller receives the default limit equal to our Entry hosting plan.
To set your own accounts resource limits using Reseller Limits instead, please see: https://my.hostmantis.com/knowledgebase/282/Reseller-Limits.html
Enterprise Hosting Plan Limits:
Entry
CPU = 250%
RAM = 4 GB
Entry Processes = 40
I/O = 60 MB/sec
IOPS = 10024
Inodes = Unlimited
Advanced
CPU = 450%
RAM = 6 GB
Entry Processes = 60
I/O = 80 MB/sec
IOPS = 20024
Inodes = Unlimited
Expert
CPU = 550%
RAM = 8 GB
Entry Processes = 80
I/O = 100 MB/sec
IOPS = 25024
Inodes = Unlimited
** resource limits are subject to change without prior notice