How to Tuning Apache and Mysql
Posted by:
atans chiu
Date: April 08, 2011 01:10AM
top - 12:24:22 up 1 day, 18:37, 2 users, load average: 1.19, 1.77, 1.59
Tasks: 166 total, 4 running, 162 sleeping, 0 stopped, 0 zombie
Cpu(s): 20.1%us, 5.8%sy, 0.0%ni, 62.4%id, 10.8%wa, 0.0%hi, 1.0%si, 0.0%st
Mem: 987780k total, 979052k used, 8728k free, 17240k buffers
Swap: 2104432k total, 106760k used, 1997672k free, 174100k cached
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
4116 mysql 15 0 356m 105m 4176 S 12.0 11.0 139:58.69 mysqld
5722 apache 15 0 160m 17m 4224 S 10.0 1.8 0:00.78 httpd
5741 apache 15 0 161m 17m 4220 S 9.3 1.8 0:00.37 httpd
5840 apache 15 0 161m 17m 4148 S 8.3 1.8 0:00.52 httpd
5846 apache 15 0 161m 17m 4132 S 6.3 1.8 0:00.47 httpd
5744 apache 15 0 162m 18m 4224 S 2.0 1.9 0:00.37 httpd
5725 apache 15 0 161m 17m 4424 S 1.3 1.8 0:00.34 httpd
5755 apache 15 0 105m 14m 4248 R 1.3 1.5 0:00.17 httpd
5564 apache 15 0 163m 19m 4360 S 1.0 2.0 0:00.65 httpd
5322 apache 16 0 162m 19m 4456 S 0.7 2.0 0:02.26 httpd
5586 apache 15 0 161m 18m 4468 S 0.7 1.9 0:01.77 httpd
5852 apache 16 0 99.9m 11m 3424 S 0.7 1.2 0:00.02 httpd
5121 root 18 0 98.3m 10m 4320 S 0.3 1.1 0:00.07 httpd
5723 apache 15 0 161m 17m 4240 S 0.3 1.8 0:00.31 httpd
5833 apeadm 15 0 12740 1128 808 R 0.3 0.1 0:00.03 top
5834 apache 15 0 160m 16m 4172 S 0.3 1.7 0:00.20 httpd
5836 apache 15 0 98.5m 9388 2912 S 0.3 1.0 0:00.01 httpd
1 root 15 0 10348 592 560 S 0.0 0.1 0:00.72 init
2 root RT -5 0 0 0 S 0.0 0.0 0:00.01 migration/0
Server Spec: ----------------------------------------------------------------------------
CENTOS CPU:E5200 RAM:1G
Software: Zencart X 3, Piwik x1
Server always down,How to tuning apache and mysql?
Thanks a lot.
httpd.conf ----------------------------------------------------------------------------
<IfModule mpm_prefork_module>
StartServers 8
MinSpareServers 8
MaxSpareServers 15
ServerLimit 450
MaxClients 450
MaxRequestsPerChild 10000
</IfModule>
<IfModule mpm_worker_module>
StartServers 2
ServerLimit 450
MaxClients 450
MinSpareThreads 25
MaxSpareThreads 75
ThreadsPerChild 25
MaxRequestsPerChild 10000
</IfModule>
<IfModule mpm_beos_module>
StartThreads 10
MaxClients 50
MaxRequestsPerThread 10000
</IfModule>
<IfModule mpm_netware_module>
ThreadStackSize 65536
StartThreads 250
MinSpareThreads 25
MaxSpareThreads 250
MaxThreads 1000
MaxRequestsPerChild 10000
MaxMemFree 100
</IfModule>
<IfModule mpm_mpmt_os2_module>
StartServers 2
MinSpareThreads 5
MaxSpareThreads 10
MaxRequestsPerChild 10000
</IfModule>
my.cnf ----------------------------------------------------------------------------
[mysqld]
set-variable = query_cache_limit=1M
set-variable = query_cache_size=16M
set-variable = query_cache_type=1
set-variable = max_connections=400
set-variable = interactive_timeout=100
set-variable = wait_timeout=100
set-variable = connect_timeout=100
set-variable = thread_cache_size=16
#
# Set key_buffer to 5 - 50% of your RAM depending on how much
# you use MyISAM tables, but keep key_buffer_size + InnoDB
# buffer pool size < 80% of your RAM
set-variable = key_buffer=32M
set-variable = join_buffer=1M
set-variable = max_allowed_packet=8M
set-variable = table_cache=1024
set-variable = record_buffer=1M
set-variable = sort_buffer_size=2M
set-variable = read_buffer_size=2M
set-variable = max_connect_errors=10
set-variable = myisam_sort_buffer_size=16M
#Useful for SMP
set-variable = thread_concurrency=8
Edited 1 time(s). Last edit at 04/08/2011 01:11AM by atans chiu.