## This server may run 2+ separate instances
## So we use mysqld_multi to manage their services
[mysqld_multi]
mysqld = /opt/mysql/bin/mysqld_safe
mysqladmin = /opt/mysql/bin/mysqladmin
log = /opt/mysql/log/mysqld_multi.log
user = root ## Used for stopping the server via mysqladmin
#password =

## This is the general purpose database
## The locations are default
# They are left in [mysqld] in case the server is started normally instead of by mysqld_multi
[mysqld1]
socket = /opt/mysql/run/mysqld.sock
port = 3306
pid-file = /opt/mysql/run/mysqld.pid
datadir = /opt/mysql/data
lc-messages-dir = /opt/mysql/share/english

## These support master - master replication
#auto-increment-increment = 4
#auto-increment-offset = 1 ## Since it is master 1
#log-bin = /opt/mysql/binlogs/bin-log-mysqld1
#log-bin-index = /opt/mysql/binlogs/bin-log-mysqld1.index
#binlog-do-db = ## Leave this blank if you want to control it on slave
#max_binlog_size = 1024M

## This is exlusively for mysqld2
## It is on 3307 with data directory /opt/mysql/data2
[mysqld2]
socket = /opt/mysql/run/mysqld.sock2
port = 3307
pid-file = /opt/mysql/run/mysqld.pid2
datadir = /opt/mysql/data2
lc-messages-dir = /opt/mysql/share/english

## Disable DNS lookups
#skip-name-resolve

## These support master - slave replication
log-bin = /opt/mysql/binlogs/bin-log-mysqld2
log-bin-index = /opt/mysql/binlogs/bin-log-mysqld2.index
#binlog-do-db = ## Leave this blank if you want to control it on slave
max_binlog_size = 1024M

## Relay log settings
#relay-log = /opt/mysql/log/relay-log-mysqld2
#relay-log-index = /opt/mysql/log/relay-log-mysqld2.index
#relay-log-space-limit = 4G

## Slow query log settings
#log-slow-queries = /opt/mysql/log/slow-log-mysqld2
#long_query_time = 2
#log-queries-not-using-indexes

## The rest of the my.cnf is shared
## Here follows entries for some specific programs
## The MySQL server
[mysqld]
basedir = /opt/mysql
tmpdir = /opt/mysql/tmp
socket = /opt/mysql/run/mysqld.sock
port = 3306
pid-file = /opt/mysql/run/mysqld.pid
datadir = /opt/mysql/data
lc-messages-dir = /opt/mysql/share/english

skip-external-locking
key_buffer_size = 16K
max_allowed_packet = 1M
table_open_cache = 4
sort_buffer_size = 64K
read_buffer_size = 256K
read_rnd_buffer_size = 256K
net_buffer_length = 2K
thread_stack = 128K

## Increase the max connections
max_connections = 200

## The expiration time for logs, including binlogs
expire_logs_days = 14

## Set the character as utf8
character-set-server = utf8
collation-server = utf8_unicode_ci

## This is usually only needed when setting up chained replication
#log-slave-updates

## Enable this to make replication more resilient against server crashes and restarts
## but can cause higher I/O on the server
#sync_binlog = 1

## The server id, should be unique in same network
server-id = 1

## Set this to force MySQL to use a particular engine/table-type for new tables
## This setting can still be overridden by specifying the engine explicitly
## in the CREATE TABLE statement
default-storage-engine = INNODB

## Uncomment the following if you are using InnoDB tables
#innodb_data_home_dir = /opt/mysql/data
#innodb_data_file_path = ibdata1:10M:autoextend
#innodb_log_group_home_dir = /opt/mysql/data
## You can set .._buffer_pool_size up to 50 - 80 % of RAM
## but beware of setting memory usage too high
innodb_buffer_pool_size = 16M
innodb_additional_mem_pool_size = 2M
## Set .._log_file_size to 25 % of buffer pool size
innodb_log_file_size = 5M
innodb_log_buffer_size = 8M
innodb_flush_log_at_trx_commit = 1
innodb_lock_wait_timeout = 50

[mysqldump]
quick
max_allowed_packet = 16M

[mysql]
no-auto-rehash

[myisamchk]
key_buffer_size = 8M
sort_buffer_size = 8M

[mysqlhotcopy]
interactive-timeout

[mysql.server]
user = mysql

[mysqld_safe]
log-error = /opt/mysql/log/mysqld.log
pid-file = /opt/mysql/run/mysqld.pid
open-files-limit = 8192

[client]
default-character-set = utf8

#!/bin/sh
#
# A simple startup script for mysqld_multi by Tim Smith and Jani Tolonen.
# This script assumes that my.cnf file exists either in /etc/my.cnf or
# /root/.my.cnf and has groups [mysqld_multi] and [mysqldN]. See the
# mysqld_multi documentation for detailed instructions.
#
# This script can be used as /etc/init.d/mysql.server
#
# Comments to support chkconfig on RedHat Linux
# chkconfig: 2345 64 36
# description: A very fast and reliable SQL database engine.
#
# Version 1.0
#

basedir=/opt/mysql
bindir=/opt/mysql/bin

conf=/opt/mysql/etc/my.cnf
export PATH=$PATH:$bindir

if test -x $bindir/mysqld_multi
then
mysqld_multi="$bindir/mysqld_multi";
else
echo "Can't execute $bindir/mysqld_multi from dir $basedir";
exit;
fi

case "$1" in
'start' )
"$mysqld_multi" --defaults-extra-file=$conf start $2
;;
'stop' )
"$mysqld_multi" --defaults-extra-file=$conf stop $2
;;
'report' )
"$mysqld_multi" --defaults-extra-file=$conf report $2
;;
'restart' )
"$mysqld_multi" --defaults-extra-file=$conf stop $2
"$mysqld_multi" --defaults-extra-file=$conf start $2
;;
*)
echo "Usage: $0 {start|stop|report|restart}" >&2
;;
esac