U"|7mz;`.L'L0查看有哪些表被锁住51Testing软件测试网Z CF8~?q
51Testing软件测试网o,V Sulselect b.owner,b.object_name,a.session_id,a.locked_mode51Testing软件测试网F+mkf` IKW5J"h
from v$locked_object a,dba_objects b
P'svf#O&E \X m0where b.object_id = a.object_id
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x051Testing软件测试网u wv:e+qo)I&U
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w4?~0select b.username,b.sid,b.serial#,logon_time
O\D)Z^`*{_Q(_+_0from v$locked_object a,v$session b51Testing软件测试网6?"ztTX AOVz
where a.session_id = b.sid order by b.logon_time51Testing软件测试网,[T]Pvvxv
杀进程中的会话
9??J'w N-PH-^XJ0alter system kill session 'sid,serial#';
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alter system kill session '29,5497';51Testing软件测试网QH5bW.c g
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51Testing软件测试网i'BD-~b,d)ez*K
如果有ora-00031错误,则在后面加immediate;alter system kill session '29,5497' immediate;
*l3X]fogI0如何杀死oracle死锁进程
4^"X)eyR8cz4Q A01.查哪个过程被锁:
#` E&N9\KH0 查V$DB_OBJECT_CACHE视图:
r&Q*Y!u8h-}0 SELECT * FROM V$DB_OBJECT_CACHE WHERE ōWNER='过程的所属用户' AND CLOCKS!='0';
+NAhIdC0 2. 查是哪一个SID,通过SID可知道是哪个SESSION:
)P(bU3B,r {(Q7L5X0 查V$ACCESS视图:
"I3j-R:v2?!F$`0 SELECT * FROM V$ACCESS WHERE ōWNER='过程的所属用户' AND NAME='刚才查到的过程名';51Testing软件测试网#`F8n*SU)I:I
3. 查出SID和SERIAL#:51Testing软件测试网O6i@$T
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查V$SESSION视图:51Testing软件测试网y!jj6Ma`&U%t
SELECT SID,SERIAL#,PADDR FROM V$SESSION WHERE SID='刚才查到的SID';
rf8w&PM-za1Pk?\S0 查V$PROCESS视图:
vPJ:YUA0 SELECT SPID FROM V$PROCESS WHERE ADDR='刚才查到的PADDR';
/U+X i ^*Y2I.A0 4. 杀进程:
F'j{|iQb'_,g0 (1)先杀ORACLE进程:
$wp9[KIoG&g3}l6h0 ALTER SYSTEM KILL SESSION '查出的SID,查出的SERIAL#';51Testing软件测试网)b0d"Y\"\ s(r"WB
(2)再杀操作系统进程:
n\#dH7c;B|N'|"A0 KILL -9 刚才查出的SPID或ORAKILL 刚才查出的SID 刚才查出的SPID。51Testing软件测试网rkf7@*RCj0Lm d0\
Oracle的死锁
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eR*c0 查询数据库死锁:51Testing软件测试网D:J2] [+LB6r
select t2.username||' '||t2.sid||'
\p:Yk"]*ed0g]0'||t2.serial#||' '||t2.logon_time||'
iLeB'R"QK/H0'||t3.sql_text
)pN7u7X!~(a0from v$locked_object t1,v$session t2,v$sqltext t351Testing软件测试网sz%mv(?X
where t1.session_id=t2.sid
j.[Q_ M[r3N0and t2.sql_address=t3.address
'LR/{%r vhR3{-_0order by t2.logon_time;
#n\)Yk!ry3u0 查询出来的结果就是有死锁的session了,下面就是杀掉,拿到上面查询出来的SID和SERIAL#,填入到下面的语句中:
gUu:QH-p0 alter system kill session 'sid,serial#';
Z6s K9b9fL0 一般情况可以解决数据库存在的死锁了,或通过session id 查到对应的操作系统进程,在Unix中杀掉操作系统的进程。51Testing软件测试网X&A/e9N:tybC
SELECT a.username,c.spid AS os_process_id,c.pid
.d0|5^|0{(n0AS oracle_process_id FROM v$session a,v$process c51Testing软件测试网 },qm*g&QZ~.{oxa
WHERE c.addr=a.paddr and a.sid= and a.serial#= ;
2e-M!r;R4r!D0 然后采用kill (unix) 或 orakill(windows )。
Dt~X+C9_.T0 在Unix中:51Testing软件测试网6@[7M:c+UO
ps -ef|grep os_process_id
#g`?3X*B!BDOCM9R0kill -9 os_process_id51Testing软件测试网
p~ ]Z8R1^
ps -ef|grep os_process_id
(I J{X
H~,h#R0 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。51Testing软件测试网j|_"s,c
1)查找死锁的进程:
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e(X1~0sqlplus "/as sysdba" (sys/change_on_install)
-tX)CFuB3f0SELECT s.username,l.OBJECT_ID,l.SESSION_ID,s.SERIAL#,51Testing软件测试网 p)~ c,C7|
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l.ORACLE_USERNAME,l.OS_USER_NAME,l.PROCESS51Testing软件测试网"NC%l-BP
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FROM V$LOCKED_OBJECT l,V$SESSION S WHERE l.SESSION_ID=S.SID;51Testing软件测试网 |,y?Mn V0[!S
2)kill掉这个死锁的进程:
t1e&jN#hm0 alter system kill session ‘sid,serial#’; (其中sid=l.session_id)
VcTYQ }0 3)如果还不能解决:
"a%z#|y,H0select pro.spid from v$session ses,
/^,s}v0p/~0v$process pro where ses.sid=XX and
RJPr:s0ses.paddr=pro.addr;
NR)b2d/w;vt'P$i0 其中sid用死锁的sid替换:
"|}~mi2HZ0exit
s.O0K2j*pg5jE!X0ps -ef|grep spid
.VC5f+u+H5C@0 其中spid是这个进程的进程号,kill掉这个Oracle进程。51Testing软件测试网c#WIN7H:f&{)HQ