cPanel Hosting Stuff

MySQL Web Hosting

Sometimes we need to tune or optimize mySQL server configuration for better performance.

Before making any changes, I strongly recommend that you back up the file, so that you can restore it in case the service does not restart or any other problem happens:

Use the following Config for my.cnf.

1. Take backup of existing config with
cp /etc/my.cnf my.cnf.bak

2. vi /etc/my.cnf

3. Remove the whatever entry are there.

4. Add the following.

[mysqld]
datadir=/var/lib/mysql
socket=/var/lib/mysql/mysql.sock
max_user_connections=25
max_connections=500
interactive_timeout=10
wait_timeout=10
connect_timeout=10
thread_cache_size=128
key_buffer=16M
join_buffer=1M
max_allowed_packet=16M
table_cache=1024
record_buffer=1M
sort_buffer_size=2M
read_buffer_size=2M
myisam_sort_buffer_size=64M
old-passwords = 1

[mysql.server]
user=mysqlbasedir=/var/lib

[safe_mysqld]
err-log=/var/log/mysqld.log
pid-file=/var/lib/mysql/mysql.pid
open_files_limit=8192

[mysqldump]
quickmax_allowed_packet=16M

[mysql]
no-auto-rehash

[isamchk]
key_buffer=64M
sort_buffer=64M
read_buffer=16M
write_buffer=16M
[myisamchk]
key_buffer=64M
sort_buffer=64M
read_buffer=16M
write_buffer=16M

[mysqlhotcopy]
interactive-timeout

And restart mysql on server.
# /scripts/restartsrv_mysql

MySQL and databases