Oracle HowTo:如何快速杀死占用过多资源(CPU,内存)的数据库进程

alter system kill session 'sid,serial#';

[oracle@danaly ~]$ sqlplus "/ as sysdba"

SQL*Plus: Release 10.2.0.1.0 - Production on Thu Oct 27 11:09:50 2005

Copyright (c) 1982, 2005, Oracle.  All rights reserved.


Connected to:
Oracle Database 10g Enterprise Edition Release 10.2.0.1.0 - Production
With the Partitioning, Oracle Label Security, OLAP and Data Mining Scoring Engine options

SQL> select sid,username,status from v$session;

       SID USERNAME                       STATUS
---------- ------------------------------ --------
....
       154 SCOTT                          KILLED
...

30 rows selected.

SQL> select 'kill -9 '||spid from v$process where addr = (select paddr from v$session where sid=&sid);
Enter value for sid: 154
old   1: select 'kill -9 '||spid from v$process where addr = (select paddr from v$session where sid=&sid)
new   1: select 'kill -9 '||spid from v$process where addr = (select paddr from v$session where sid=154)

'KILL-9'||SPID
--------------------
kill -9 22702

SQL> !

[oracle@danaly ~]$ ps -ef|grep 22702
oracle   22702     1  0 Oct25 ?        00:00:02 oracledanaly (LOCAL=NO)
oracle   12082 12063  0 11:12 pts/1    00:00:00 grep 22702
[oracle@danaly ~]$ kill -9 22702
[oracle@danaly ~]$ ps -ef|grep 22702
oracle   12088 12063  0 11:12 pts/1    00:00:00 grep 22702
[oracle@danaly ~]$ exit
exit

SQL> select sid,username,status from v$session;

       SID USERNAME                       STATUS
---------- ------------------------------ --------
...
       154 SCOTT                          KILLED
...

30 rows selected.

SQL> select sid,serial#,username from v$session where sid=154;

       SID    SERIAL# USERNAME
---------- ---------- ------------------------------
       154      56090 SCOTT

SQL> alter system kill session '154,56090' immediate;

System altered.

SQL> select sid,serial#,username from v$session where sid=154;

no rows selected