My RoundCube webmail is extremely low and sometimes users can not even use it.
Code:
[mysqld]
local-infile=0
datadir=/home/mysql/
socket=/var/lib/mysql/mysql.sock
slow_query_log=1
slow_query_log_file=mysql-slow.log
long_query_time=0.2
#skip-locking
##skip-innodb
query_cache_limit=2M
query_cache_size=100M
query_cache_type=1
max_user_connections=100
max_connections=300
interactive_timeout=100
wait_timeout=15
connect_timeout=999
thread_cache_size=128
key_buffer_size=750M
join_buffer=2M
join_buffer_size=1M
max_allowed_packet=512M
table_cache=6000
#record_buffer=1M
sort_buffer_size=256K
read_buffer_size=128K
myisam_sort_buffer_size=64M
server-id=1
federated
innodb_buffer_pool_size=2500M
#[mysql.server]
#user=mysql
#basedir=/var/lib
open_files_limit=50000
[safe_mysqld]
err-log=/var/log/mysqld.log
pid-file=/var/lib/mysql/mysql.pid
#[mysqldump]
#quick
#max_allowed_packet=16M
[mysql]
no-auto-rehash
[isamchk]
key_buffer=64M
sort_buffer=64M
read_buffer=16M
write_buffer=16M
[myisamchk]
sort_buffer=64M
read_buffer=16M
write_buffer=16M
[mysqlhotcopy]
interactive-timeout