buffer_pool

buffer pool 有最多8个子latch保护

SQL> set linesize 200
SQL> select addr,LATCH#,LEVEL#,CHILD#,NAME from v$latch_children where name='buffer pool';

ADDR	     LATCH#	LEVEL#	   CHILD# NAME
-------- ---------- ---------- ---------- ----------------------------------------------------------------
2CD760A8	146	     1		8 buffer pool
2CD75F78	146	     1		7 buffer pool
2CD75E48	146	     1		6 buffer pool
2CD75D18	146	     1		5 buffer pool
2CD75BE8	146	     1		4 buffer pool
2CD75AB8	146	     1		3 buffer pool
2CD75988	146	     1		2 buffer pool
2CD75858	146	     1		1 buffer pool

已选择8行。