Limits

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Limits

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CloudLinux has support for following limits:

 

Limits

Units

Default Value

Description

Supported Kernels / OS

SPEED

% of a core, or HZ

100%

CPU speed limit, relative to a single core, or specified in HZ (portable across CPUs)

all

CPU [deprecated]

% of  CPU

25%

CPU Limit (smallest of CPU & NCPU is used)

all

NCPU [deprecated]

number of cores

1 CORE

Max number of cores (smallest of CPU & NCPU used)

all

PMEM

KB

1024MB

Physical memory limit (RSS field in ps/RES in top). Also includes shared memory and disk cache

CL5 hybrid kernel, CL5 lve1.x+ kernel & CL6

VMEM

KB

1024MB

Virtual memory limit (VSZ field in ps/VIRT in top)

all

IO

KB/sec

1024KB/sec

IO throughput - combines both read & write operations

CL6 lve1.1.9+ kernel, CL5 hybrid kernel

NPROC

number

100

Max number of processes within LVE

CL5 hybrid kernel, CL5 lve1.x+ kernel & CL6

EP

number

20

Limit on entry processes. Usually represents max number of concurrent connections to apache dynamic scripts as well as SSH and cron jobs running simultaneously.

all

 

Bellow you can find recommendations for your typical shared hosting setup. The recommendations don't depend on the power of your server. They only depend on how "fast" you want your hosting accounts to be.

 

Typical Hosting Account

SPEED=100%

PMEM=256MB

VMEM=0

IO=1024KB/s

NPROC=100

EP=20

 

High End Hosting Account

SPEED=200%

PMEM=512MB

VMEM=0

IO=1024KB/s

NPROC=100

EP=40