【 tulaoshi.com - 编程语言 】
                             
                            myisam_max_[extra]_sort_file_size足够大 
delay_key_write减少io,提高写入性能 
bulk_insert_buffer_size 
concurrent_insert 设置为2 
read_rnd_buffer_size random scan 使用 
read_buffer_size 顺序扫描表使用 
key cache 的三种方式 
key cache 预加载 
SET GLOBAL hot_cache.key_buffer_size=16m 
SET BLOBAL cold_cache.key_buffer_size=16m 
CACHE INDEX example.top_message IN hot_cache 
CACHE INDEX example.event IN cold_cache 
LOAD INDEX INTO CACHE example.top_message,example.event IGNORE LEAVES 
LOAD INDEX INTO CACHE example.user IGNORE LEAVERS,expamle.groups 
MySQL 优化设置步骤