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Shared web server resources (CPU&RAM)
Post 302128369 by Sergiu-IT on Tuesday 24th of July 2007 11:18:39 AM
07-24-2007
Shared web server resources (CPU&RAM)
Hello, guys !
Long time no seen. I have a question about Linux web servers. I guess it is a more general question, but in my case it is a Linux web server. I want to know how much RAM memory should I put on my servers. Do you have some formula or guidelines on how should I calculate the amount of RAM memory needed on a web server ?
To give you an example, I have this machine:
It has 2GB RAM. Is it enough for it's CPU's ? Or should I add some extra RAM ?
The machine has on it a web server, ftp server, mysql server and named server.
Any advices are welcomed
Long time no seen. I have a question about Linux web servers. I guess it is a more general question, but in my case it is a Linux web server. I want to know how much RAM memory should I put on my servers. Do you have some formula or guidelines on how should I calculate the amount of RAM memory needed on a web server ?
To give you an example, I have this machine:
Quote:
]# cat /proc/cpuinfo
processor : 0
vendor_id : AuthenticAMD
cpu family : 15
model : 75
model name : AMD Athlon(tm) 64 X2 Dual Core Processor 3800+
stepping : 2
cpu MHz : 2004.904
cache size : 512 KB
physical id : 0
siblings : 2
core id : 0
cpu cores : 2
fdiv_bug : no
hlt_bug : no
f00f_bug : no
coma_bug : no
fpu : yes
fpu_exception : yes
cpuid level : 1
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext lm 3dnowext 3dnow pni
bogomips : 4011.44
processor : 1
vendor_id : AuthenticAMD
cpu family : 15
model : 75
model name : AMD Athlon(tm) 64 X2 Dual Core Processor 3800+
stepping : 2
cpu MHz : 2004.904
cache size : 512 KB
physical id : 0
siblings : 2
core id : 1
cpu cores : 2
fdiv_bug : no
hlt_bug : no
f00f_bug : no
coma_bug : no
fpu : yes
fpu_exception : yes
cpuid level : 1
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext lm 3dnowext 3dnow pni
bogomips : 4008.35
processor : 0
vendor_id : AuthenticAMD
cpu family : 15
model : 75
model name : AMD Athlon(tm) 64 X2 Dual Core Processor 3800+
stepping : 2
cpu MHz : 2004.904
cache size : 512 KB
physical id : 0
siblings : 2
core id : 0
cpu cores : 2
fdiv_bug : no
hlt_bug : no
f00f_bug : no
coma_bug : no
fpu : yes
fpu_exception : yes
cpuid level : 1
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext lm 3dnowext 3dnow pni
bogomips : 4011.44
processor : 1
vendor_id : AuthenticAMD
cpu family : 15
model : 75
model name : AMD Athlon(tm) 64 X2 Dual Core Processor 3800+
stepping : 2
cpu MHz : 2004.904
cache size : 512 KB
physical id : 0
siblings : 2
core id : 1
cpu cores : 2
fdiv_bug : no
hlt_bug : no
f00f_bug : no
coma_bug : no
fpu : yes
fpu_exception : yes
cpuid level : 1
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext lm 3dnowext 3dnow pni
bogomips : 4008.35
Quote:
# uname -a
Linux myserver.tld 2.6.9-42.0.10.ELsmp #1 SMP Tue Feb 27 10:11:19 EST 2007 i686 athlon i386 GNU/Linux
Linux myserver.tld 2.6.9-42.0.10.ELsmp #1 SMP Tue Feb 27 10:11:19 EST 2007 i686 athlon i386 GNU/Linux
The machine has on it a web server, ftp server, mysql server and named server.
Any advices are welcomed
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LEARN ABOUT LINUX
cachemgr.cgi
cachemgr.cgi(8) System Manager's Manual cachemgr.cgi(8) NAME
cachemgr.cgi - squid HTTP proxy manager interface SYNOPSIS
http://your.server/cgi-bin/cachemgr.cgi DESCRIPTION
The cache manager (cachemgr.cgi) is a CGI utility for displaying statistics about the Squid HTTP proxy process as it runs. The cache man- ager is a convenient way to manage the cache and view statistics without logging into the server. FILES
./cachemgr.conf @DEFAULT_CACHEMGR_CONFIG@ The access configuration file defining which Squid servers may be managed via this cachemgr.cgi program. Each line specifies a server:port followed by an optional description The server name may contain shell wildcard characters such as *, [] etc. A quick selection dropdown menu is automatically con- structed from the simple server names. Specifying :port is optional. If not specified then the default proxy port is assumed. :* or :any matches any port on the target server. SECURITY
cachemgr.cgi calls the requested server on the requested port using HTTP and returns a formatted version of the response. To avoid abuse it is recommended to configure your web server to restrict access to the cachemgr.cgi program. Configuration examples for many common web servers can be found in the Squid FAQ. SEE ALSO
squid(8) The Squid FAQ, Chapter 9 The Cache Manager Squid Web Proxy 3.1.20 cachemgr.cgi(8)