buffer_pool

buffer pool 有最多8个子latch保护SQL> set linesize 200SQL> select addr,LATCH#,LEVEL#,CHILD#,NAME from v$latch_children where name='buffer pool';ADDR     LATCH#LEVEL#   CHILD# NAME-------- ---------- ---------- ---------- ----------------------------------------------------------------2CD760A8146     18 buffer pool2CD75F78146     17 buffer pool2CD75E48146     16 buffer pool2CD75D18146     15 buffer pool2CD75BE8146     14 buffer pool2CD75AB8146     13 buffer pool2CD75988146     12 buffer pool2CD75858146     11 buffer pool已选择8行。