ITPub博客

首页 > 应用开发 > IT综合 > latch free

latch free

原创 IT综合 作者:davies 时间:2007-02-02 13:13:32 0 删除 编辑
latch free[@more@]

latch free

The latch free wait event is related to concurrency and serialization.

1. Get the name of the latch that is being competed for using the P2 value supplied by the CURRENT_EVENT cursor:

select name
from v$latchname
where latch# = ;

2. Obtain the SQL statement that is associated with the latch free event using the hash value supplied by the CURRENT_EVENT cursor:

select hash_value, address, piece, sql_text
from v$sqltext
where hash_value =
order by piece;

来自 “ ITPUB博客 ” ,链接:https://blog.itpub.net/178357/viewspace-896948/ ,如需转载,请注明出处,否则将追究法律责任。

下一篇: direct path read
请登录后发表评论 登录
全部评论
  • 博文量
    81
  • 访问量
    507774