说明：
recover thread：rollback clean thread,recv write thread
kernel thread：dict stats thread ,buf dump thread ,master thread,page cleaner thread ,purge thread,insert buffer thread,read thread,write thread,redo log thread,full text search optimize thread
monitor thread：monitor thread,lock timeout thread,error monitor thread
kernel thread：dict stats thread ,buf dump thread ,master thread,page cleaner thread ,purge thread,insert buffer thread,read thread,write thread,redo log thread,full text search optimize thread
monitor thread：monitor thread,lock timeout thread,error monitor thread
内存：
缓冲池中的数据页类型：数据页，索引页，undo页，insert buffer，adaptive hash index，lock info，data dictionary
重做日志缓冲
额外缓冲池
译者介绍：家华，从事mysqlDBA的工作，记录自己对mysql的一些总结