InnoDB的配置
http://www.cnblogs.com/szx_rencaijob/archive/2010/04/28/1723211.html
推荐InnoDB的配置(1G内存情况,主要运行mysql服务器):
innodb_buffer_pool_size = 600M
innodb_additional_mem_pool_size = 64M
# Set .._log_file_size to 25 % of buffer pool size
innodb_log_file_size = 256M
#innodb_log_buffer_size = 8M
innodb_flush_log_at_trx_commit = 1
#innodb_lock_wait_timeout = 50
innodb_file_per_table
其中innodb_flush_log_at_trx_commit和innodb_file_per_table对I/O性能影响最大。