We use CloudLinux on our Linux servers and set resource limits with each hosting account/plan. The following are our current limits**:
Web Hosting Plan Limits:
Entry
CPU = 75%
RAM = 3 GB
Entry Processes = 30
I/O = 30 MB/sec
Inodes = 300000
Starter
CPU = 100%
RAM = 4 GB
Entry Processes = 40
I/O = 35 MB/sec
Inodes = 400000
Advanced
CPU = 150%
RAM = 5 GB
Entry Processes = 50
I/O = 40 MB/sec
Inodes = 500000
Expert
CPU = 200%
RAM = 6 GB
Entry Processes = 60
I/O = 60 MB/sec
Inodes = 600000
Unlimited
CPU = 75%
RAM = 3 GB
Entry Processes = 30
I/O = 30 MB/sec
Inodes = 300000
Reseller Hosting Plan Limits:
Reseller Entry *
CPU = 75%
RAM = 3 GB
Entry Processes = 30
I/O = 30 MB/sec
Inodes = 300000
Reseller Starter *
CPU = 100%
RAM = 4 GB
Entry Processes = 40
I/O = 35 MB/sec
Inodes = 400000
Reseller Advanced *
CPU = 150%
RAM = 5 GB
Entry Processes = 50
I/O = 40 MB/sec
Inodes = 500000
Reseller Expert *
CPU = 200%
RAM = 6 GB
Entry Processes = 60
I/O = 60 MB/sec
Inodes = 600000
* 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.
Elastic Sites Plan Limits:
Entry
CPU = 250%
RAM = 4 GB
Entry Processes = 40
I/O = 40 MB/sec
Inodes = 300000
Starter
CPU = 350%
RAM = 5 GB
Entry Processes = 50
I/O = 50 MB/sec
Inodes = 400000
Advanced
CPU = 450%
RAM = 6 GB
Entry Processes = 60
I/O = 60 MB/sec
Inodes = 500000
Expert
CPU = 550%
RAM = 8 GB
Entry Processes = 80
I/O = 80 MB/sec
Inodes = 600000
** resource limits are subject to change without prior notice