Optimize Mysql Percona Database for 12GB Ram Server

Step 1) Switch from MyISAM to InnoDB (e.g. XtraDB) Step 2) /etc/mysql/my.cnf

default_storage_engine    = InnoDB
innodb_log_file_size = 128M
innodb_buffer_pool_size = 8G
innodb_file_per_table    = 1
innodb_open_files    = 400
innodb_io_capacity    = 400
innodb_flush_method    = O_DIRECT
innodb_flush_log_at_trx_commit    = 2
innodb_thread_concurrency = 8

  These settings are optimized for 12GB RAM Enjoy the speed of your Mysql **PERCONA