雨树侠 2007-12-5 09:48
如何杀死oracle死锁进程
willpower88
方法一:Oracle的死锁非常令人头疼,总结了一些点滴经验作为学习笔记
1.查哪个过程被锁
查V$DB_OBJECT_CACHE视图:
[img]http://www.qqread.com/ArtImage/20070213/qf35_1.gif[/img]SELECT * FROM V$DB_OBJECT_CACHE WHERE OWNER='过程的所属用户' AND LOCKS!='0';
[img]http://www.qqread.com/ArtImage/20070213/qf35_1.gif[/img]
2. 查是哪一个SID,通过SID可知道是哪个SESSION.
查V$ACCESS视图:
[img]http://www.qqread.com/ArtImage/20070213/qf35_1.gif[/img]SELECT * FROM V$ACCESS WHERE OWNER='过程的所属用户' AND NAME='刚才查到的过程名';
[img]http://www.qqread.com/ArtImage/20070213/qf35_1.gif[/img]
3. 查出SID和SERIAL#
查V$SESSION视图:
[img]http://www.qqread.com/ArtImage/20070213/qf35_1.gif[/img]SELECT SID,SERIAL#,PADDR FROM V$SESSION WHERE SID='刚才查到的SID'
[img]http://www.qqread.com/ArtImage/20070213/qf35_1.gif[/img]
查V$PROCESS视图:
[img]http://www.qqread.com/ArtImage/20070213/qf35_1.gif[/img]SELECT SPID FROM V$PROCESS WHERE ADDR='刚才查到的PADDR';
[img]http://www.qqread.com/ArtImage/20070213/qf35_1.gif[/img]
4. 杀进程
(1).先杀ORACLE进程:
[img]http://www.qqread.com/ArtImage/20070213/qf35_1.gif[/img]ALTER SYSTEM KILL SESSION '查出的SID,查出的SERIAL#';
[img]http://www.qqread.com/ArtImage/20070213/qf35_1.gif[/img]
(2).再杀操作系统进程:
[img]http://www.qqread.com/ArtImage/20070213/qf35_1.gif[/img]KILL -9 刚才查出的SPID
[img]http://www.qqread.com/ArtImage/20070213/qf35_1.gif[/img]或
[img]http://www.qqread.com/ArtImage/20070213/qf35_1.gif[/img]ORAKILL 刚才查出的SID 刚才查出的SPID
方法二:
[img]http://www.qqread.com/ArtImage/20070213/qf35_1.gif[/img]经常在oracle的使用过程中碰到这个问题,所以也总结了一点解决方法:)
[img]http://www.qqread.com/ArtImage/20070213/qf35_1.gif[/img]1)查找死锁的进程:
[img]http://www.qqread.com/ArtImage/20070213/qf35_1.gif[/img]sqlplus "/as sysdba"
[img]http://www.qqread.com/ArtImage/20070213/qf35_1.gif[/img]SELECT s.username,l.OBJECT_ID,l.SESSION_ID,s.SERIAL#,l.ORACLE_USERNAME,l.OS_USER_NAME,l.PROCESS FROM V$LOCKED_OBJECT l,V$SESSION S WHERE l.SESSION_ID=S.SID;
[img]http://www.qqread.com/ArtImage/20070213/qf35_1.gif[/img]2)kill掉这个死锁的进程:
[img]http://www.qqread.com/ArtImage/20070213/qf35_1.gif[/img]alter system kill session ‘sid,serial#’; (其中sid=l.session_id)
[img]http://www.qqread.com/ArtImage/20070213/qf35_1.gif[/img]3)如果还不能解决,
[img]http://www.qqread.com/ArtImage/20070213/qf35_1.gif[/img]select pro.spid from v$session ses,v$process pro where ses.sid=XX and ses.paddr=pro.addr;
[img]http://www.qqread.com/ArtImage/20070213/qf35_1.gif[/img] 其中sid用死锁的sid替换。
[img]http://www.qqread.com/ArtImage/20070213/qf35_1.gif[/img]exit
[img]http://www.qqread.com/ArtImage/20070213/qf35_1.gif[/img]ps -ef|grep spid
[img]http://www.qqread.com/ArtImage/20070213/qf35_1.gif[/img]其中spid是这个进程的进程号,kill掉这个Oracle进程。