MySQL Magento Config

my.cnf

[mysqld]
## After edit config you have to remove log files and restart mysql server
## because after changing innodb-log-file-size you should recreate ib_logfiles
## Stop MySQL server
## rm /data/dir/ib_logfile*
## Run MySQL server

##Table open cache under MacOS and MySQL 5.6 should be 250. 
##Otherwise you will get error MySQL server has gone away
##table-open-cache                   = 250
table-open-cache                     = 4096

## Cache
table-definition-cache               = 4096
thread-cache-size                    = 256
query-cache-size                     = 64M
query-cache-type                     = 1

## Per-thread Buffers
sort-buffer-size                     = 16M

## Temp Tables
max-heap-table-size                  = 512M
tmp-table-size                       = 512M

## Networking
interactive-timeout                  = 3600
max-connections                      = 400
max-connect-errors                   = 1000000
max-allowed-packet                   = 512M
skip-name-resolve
skip-secure-auth
wait-timeout                         = 28800
## MyISAM
key-buffer-size                      = 256M
#myisam-recover                      = FORCE,BACKUP
myisam-sort-buffer-size              = 128M

## InnoDB
innodb-buffer-pool-size              = 2G
innodb-log-file-size                 = 256M
innodb-thread-concurrency            = 18
innodb_flush_log_at_trx_commit       = 2
##Fastest
##innodb_flush_log_at_trx_commit     = 0