以下脚本可以用于诊断Oracle实例中的锁情况(Lock Status):
REM SCRIPT: FULLY DECODED LOCKING
set echo off
set lines 200
set pagesize 66
break on Kill on sid on username on terminal
column Kill heading 'Kill String' format a13
column res heading 'Resource Type' format 999
column id1 format 9999990
column id2 format 9999990
column locking heading 'Lock Held/Lock Requested' format a40
column lmode heading 'Lock Held' format a20
column request heading 'Lock Requested' format a20
column serial# format 99999
column username format a10 heading "Username"
column terminal heading Term format a6
column obj format a30 heading "Table/Sequence Name"
column owner format a9
column LAddr heading "ID1 - ID2" format a18
column Lockt heading "Lock Type" format a40
column command heading "Command" format a25
column sid format 990
select
nvl(s.username,'Internal') username,
l.sid,
nvl(s.terminal,'None') terminal,
decode(l.type,'TM',u.name||'.'||substr(t.name,1,20),
'DL',u.name||'.'||substr(t.name,1,20),
'SQ',u.name||'.'||substr(t.name,1,20),'None') obj,
decode(command,
0,'None',
1,'CREATE TABLE',
2,'INSERT',
3,'SELECT',
4,'CREATE CLUSTER',
5,'ALTER CLUSTER',
6,'UPDATE',
7,'DELETE',
8,'DROP CLUSTER',
9,'CREATE INDEX',
10,'DROP INDEX',
11,'ALTER INDEX',
12,'DROP TABLE',
13,'CREATE SEQUENCE',
14,'ALTER SEQUENCE',
15,'ALTER TABLE',
16,'DROP SEQUENCE',
17,'GRANT',
18,'REVOKE',
19,'CREATE SYNONYM',
20,'DROP SYNONYM',
21,'CREATE VIEW',
22,'DROP VIEW',
23,'VALIDATE INDEX',
24,'CREATE PROCEDURE',
25,'ALTER PROCEDURE',
26,'LOCK TABLE',
27,'NO OPERATION',
28,'RENAME',
29,'COMMENT',
30,'AUDIT',
31,'NOAUDIT',
32,'CREATE DATABASE LINK',
33,'DROP DATABASE LINK',
34,'CREATE DATABASE',
35,'ALTER DATABASE',
36,'CREATE ROLLBACK SEGMENT',
37,'ALTER ROLLBACK SEGMENT',
38,'DROP ROLLBACK SEGMENT',
39,'CREATE TABLESPACE',
40,'ALTER TABLESPACE',
41,'DROP TABLESPACE',
42,'ALTER SESSION',
43,'ALTER USER',
44,'COMMIT',
45,'ROLLBACK',
46,'SAVEPOINT',
47,'PL/SQL EXECUTE',
48,'SET TRANSACTION',
49,'ALTER SYSTEM SWITCH LOG',
50,'EXPLAIN',
51,'CREATE USER',
52,'CREATE ROLE',
53,'DROP USER',
54,'DROP ROLE',
55,'SET ROLE',
56,'CREATE SCHEMA',
57,'CREATE CONTROL FILE',
58,'ALTER TRACING',
59,'CREATE TRIGGER',
60,'ALTER TRIGGER',
61,'DROP TRIGGER',
62,'ANALYZE TABLE',
63,'ANALYZE INDEX',
64,'ANALYZE CLUSTER',
65,'CREATE PROFILE',
66,'DROP PROFILE',
67,'ALTER PROFILE',
68,'DROP PROCEDURE',
69,'-',
70,'ALTER RESOURCE COST',
71,'CREATE SNAPSHOT LOG',
72,'ALTER SNAPSHOT LOG',
73,'DROP SNAPSHOT LOG',
74,'CREATE SNAPSHOT',
75,'ALTER SNAPSHOT',
76,'DROP SNAPSHOT',
77,'CREATE TYPE',
78,'DROP TYPE',
79,'ALTER ROLE',
80,'ALTER TYPE',
81,'CREATE TYPE BODY',
82,'ALTER TYPE BODY',
83,'DROP TYPE BODY',
84,'DROP LIBRARY',
85,'TRUNCATE TABLE',
86,'TRUNCATE CLUSTER',
87,'CREATE BITMAP FILE',
88,'ALTER VIEW',
89,'DROP BITMAP FILE',
90,'SET CONSTRAINTS',
91,'CREATE FUNCTION',
92,'ALTER FUNCTION',
93,'DROP FUNCTION',
94,'CREATE PACKAGE',
95,'ALTER PACKAGE',
96,'DROP PACKAGE',
97,'CREATE PACKAGE BODY',
98,'ALTER PACKAGE BODY',
99,'DROP PACKAGE BODY',
command||' - ???') command,
decode(l.lmode,1,'No Lock',
2,'Row Share',
3,'Row Exclusive',
4,'Share',
5,'Share Row Exclusive',
6,'Exclusive','NONE') lmode,
decode(l.request,1,'No Lock',
2,'Row Share',
3,'Row Exclusive',
4,'Share',
5,'Share Row Exclusive',
6,'Exclusive','NONE') request,
l.id1||'-'||l.id2 Laddr,
l.type||' - '||
decode(l.type,
'BL','Buffer hash table instance',
'CF',' Control file schema global enqueue',
'CI','Cross-instance function invocation instance',
'CU','Cursor bind',
'DF','Data file instance',
'DL','Direct loader parallel index create',
'DM','Mount/startup db primary/secondary instance',
'DR','Distributed recovery process',
'DX','Distributed transaction entry',
'FS','File set',
'HW','Space management operations on a specific segment',
'IN','Instance number',
'IR','Instance recovery serialization global enqueue',
'IS','Instance state',
'IV','Library cache invalidation instance',
'JQ','Job queue',
'KK','Thread kick',
'LA','Library cache lock instance (A=namespace)',
'LB','Library cache lock instance (B=namespace)',
'LC','Library cache lock instance (C=namespace)',
'LD','Library cache lock instance (D=namespace)',
'LE','Library cache instance lock (E=namespace)',
'LF','Library cache instance lock (F=namespace)',
'LG','Library cache instance lock (G=namespace)',
'LH','Library cache instance lock (H=namespace)',
'LI','Library cache instance lock (I=namespace)',
'LJ','Library cache instance lock (J=namespace)',
'LK','Library cache instance lock (K=namespace)',
'LL','Library cache instance lock (L=namespace)',
'LM','Library cache instance lock (M=namespace)',
'LN','Library cache instance lock (N=namespace)',
'LO','Library cache instance lock (O=namespace)',
'LP','Library cache instance lock (P=namespace)',
'MM','Mount definition gloabal enqueue',
'MR','Media recovery',
'NA','Library cache pin instance (A=namespace)',
'NB','Library cache pin instance (B=namespace)',
'NC','Library cache pin instance (C=namespace)',
'ND','Library cache pin instance (D=namespace)',
'NE','Library cache pin instance (E=namespace)',
'NF','Library cache pin instance (F=namespace)',
'NG','Library cache pin instance (G=namespace)',
'NH','Library cache pin instance (H=namespace)',
'NI','Library cache pin instance (I=namespace)',
'NJ','Library cache pin instance (J=namespace)',
'NL','Library cache pin instance (K=namespace)',
'NK','Library cache pin instance (L=namespace)',
'NM','Library cache pin instance (M=namespace)',
'NN','Library cache pin instance (N=namespace)',
'NO','Library cache pin instance (O=namespace)',
'NP','Library cache pin instance (P=namespace)',
'NQ','Library cache pin instance (Q=namespace)',
'NR','Library cache pin instance (R=namespace)',
'NS','Library cache pin instance (S=namespace)',
'NT','Library cache pin instance (T=namespace)',
'NU','Library cache pin instance (U=namespace)',
'NV','Library cache pin instance (V=namespace)',
'NW','Library cache pin instance (W=namespace)',
'NX','Library cache pin instance (X=namespace)',
'NY','Library cache pin instance (Y=namespace)',
'NZ','Library cache pin instance (Z=namespace)',
'PF','Password file',
'PI','Parallel operation',
'PR','Process startup',
'PS','Parallel operation',
'QA','Row cache instance (A=cache)',
'QB','Row cache instance (B=cache)',
'QC','Row cache instance (C=cache)',
'QD','Row cache instance (D=cache)',
'QE','Row cache instance (E=cache)',
'QF','Row cache instance (F=cache)',
'QG','Row cache instance (G=cache)',
'QH','Row cache instance (H=cache)',
'QI','Row cache instance (I=cache)',
'QJ','Row cache instance (J=cache)',
'QL','Row cache instance (K=cache)',
'QK','Row cache instance (L=cache)',
'QM','Row cache instance (M=cache)',
'QN','Row cache instance (N=cache)',
'QO','Row cache instance (O=cache)',
'QP','Row cache instance (P=cache)',
'QQ','Row cache instance (Q=cache)',
'QR','Row cache instance (R=cache)',
'QS','Row cache instance (S=cache)',
'QT','Row cache instance (T=cache)',
'QU','Row cache instance (U=cache)',
'QV','Row cache instance (V=cache)',
'QW','Row cache instance (W=cache)',
'QX','Row cache instance (X=cache)',
'QY','Row cache instance (Y=cache)',
'QZ','Row cache instance (Z=cache)',
'RT','Redo thread global enqueue',
'SC','System commit number instance',
'SM','SMON',
'SN','Sequence number instance',
'SQ','Sequence number enqueue',
'SS','Sort segment',
'ST','Space transaction enqueue',
'SV','Sequence number value',
'TA','Generic enqueue',
'TM','DML enqueue',
'TS',decode(l.id2,0,'Temporary segment enqueue',
'New block allocation enqueue lock'),
'TT','Temporary table enqueue',
'TX','Transaction enqueue',
'UL','User supplied',
'UN','User name',
'US','Undo segment DDL',
'WL','Being-written redo log instance', '????') Lockt
from V$LOCK l,
V$SESSION s,
SYS.USER$ u,
SYS.OBJ$ t
where l.sid = s.sid
and t.obj# = decode(l.type,'TM',l.id1,'DL',l.id1,'SQ',l.id1,1)
and u.user# = t.owner#
and s.type != 'BACKGROUND'
order by 1,2,5 ;
select /*+ rule */ s.username, s.sid, s.serial#, l.type "LOCK TYPE", l.id1||'-'||l.id2 id1_id2,
decode(l.lmode,0,'NONE',
1,'NULL',
2,' RS',
3,' RX',
4,' S',
5,' SRX',
6,' X',
' ?') HELD,
decode(l.request,0,' NONE',
1,' NULL',
2,' RS',
3,' RX',
4,' S',
5,' SRX',
6,' X',
' ?') REQUESTED
from v$lock l,v$session s
where l.sid = s.sid
and s.username like upper('%%')
order by id1_id2, s.sid, l.type;
col gtxid form a50
select
s.ksusenum SID
,r.ksqrsidt TYPE
,r.ksqrsid1 ID1
,r.ksqrsid2 ID2
,l.lmode lmode
,l.request request
,l.ctime ctime
,t.ktcxbstm tran_start_time
,g.K2GTIFMT||'-'||g.K2GTITID_EXT||'-'||g.K2GTIBID XID
from
v$_lock l
,x$ksuse s
,x$ksqrs r
,x$k2gte g
,x$ktcxb t
where
l.saddr=s.addr(+)
and l.raddr=r.addr
and r.ksqrsidt ='TX'
and l.laddr = t.ktcxbxba(+)
and l.laddr = g.k2gtdxcb(+)
;
oradebug setmypid;
oradebug ulimite;
oradebug dump hanganalyze 3;
oradebug dump systemstate 10;
REM check lock script
--- begin [lockchk9.sql] ---
define spoolfile = &1
spool &spoolfile
alter session set nls_date_format = 'YYYY-MM-DD HH24:MI:SS';
alter session set timed_statistics = true;
alter session set max_dump_file_size = UNLIMITED;
set feedback on
set term on
set wrap on
set trimspool on
set pagesize 1000
set linesize 2000
set numwidth 10
set echo on
select to_char(sysdate) start_time from dual;
alter session set events 'immediate trace name systemstate level 10';
alter session set events 'immediate trace name hanganalyze level 3';
column host_name format a20 tru
select instance_name, host_name, version, status, startup_time from v$instance;
select * from v$session;
select * from v$process;
select * from v$bgprocess;
select * from v$lock;
select * from v$locked_object;
select * from v$session_wait;
select * from v$latch;
select * from v$latchholder;
select * from v$rowcache;
/* For MTS */
select * from v$dispatcher;
select * from v$shared_server;
select * from v$circuit;
select * from v$queue;
select * from v$dispatcher_rate;
set echo off
Prompt;
Prompt Output file name is:;
define spoolfile
Prompt;
Prompt ALERT.LOG and TRACE FILES are located in:;
column host_name format a12 tru
column name format a20 tru
column value format a60 tru
select distinct i.host_name, p.name, p.value from v$instance i, v$parameter p
where p.name like '%_dump_dest'
and p.name != 'core_dump_dest';
select to_char(sysdate) end_time from dual;
spool off
exit
--- end [lockchk9.sql] ---
lockchk10.sql:
--- begin [lockchk10.sql] ---
define spoolfile = &1
spool &spoolfile
alter session set nls_date_format = 'YYYY-MM-DD HH24:MI:SS';
alter session set timed_statistics = true;
alter session set max_dump_file_size = UNLIMITED;
set feedback on
set term on
set wrap on
set trimspool on
set pagesize 1000
set linesize 2000
set numwidth 10
set echo on
select to_char(sysdate) start_time from dual;
alter session set events 'immediate trace name systemstate level 266';
alter session set events 'immediate trace name hanganalyze level 3';
column host_name format a20 tru
select instance_name, host_name, version, status, startup_time from v$instance;
select * from v$session;
select * from v$process;
select * from v$bgprocess;
select * from v$lock;
select * from v$locked_object;
select * from v$session_wait;
select * from v$latch;
select * from v$latchholder;
select * from v$rowcache;
/* FOR MTS */
select * from v$dispatcher;
select * from v$shared_server;
select * from v$circuit;
select * from v$queue;
select * from v$dispatcher_rate;
set echo off
Prompt;
Prompt Output file name is:;
define spoolfile
Prompt;
Prompt ALERT.LOG and TRACE FILES are located in:;
column host_name format a12 tru
column name format a20 tru
column value format a60 tru
select distinct i.host_name, p.name, p.value from v$instance i, v$parameter p
where p.name like '%_dump_dest'
and p.name != 'core_dump_dest';
select to_char(sysdate) end_time from dual;
spool off
exit
--- end [lockchk10.sql] ---
lockchk10win.sql
--- begin [lockchk10win.sql] ---
define spoolfile = &1
spool &spoolfile
alter session set nls_date_format = 'YYYY-MM-DD HH24:MI:SS';
alter session set timed_statistics = true;
alter session set max_dump_file_size = UNLIMITED;
set feedback on
set term on
set wrap on
set trimspool on
set pagesize 1000
set linesize 2000
set numwidth 10
set echo on
select to_char(sysdate) start_time from dual;
alter session set events 'immediate trace name systemstate level 10';
alter session set events 'immediate trace name hanganalyze level 3';
column host_name format a20 tru
select instance_name, host_name, version, status, startup_time from v$instance;
select * from v$session;
select * from v$process;
select * from v$bgprocess;
select * from v$lock;
select * from v$locked_object;
select * from v$session_wait;
select * from v$latch;
select * from v$latchholder;
select * from v$rowcache;
/* FOR MTS */
select * from v$dispatcher;
select * from v$shared_server;
select * from v$circuit;
select * from v$queue;
select * from v$dispatcher_rate;
set echo off
Prompt;
Prompt Output file name is:;
define spoolfile
Prompt;
Prompt ALERT.LOG and TRACE FILES are located in:;
column host_name format a12 tru
column name format a20 tru
column value format a60 tru
select distinct i.host_name, p.name, p.value from v$instance i, v$parameter p
where p.name like '%_dump_dest'
and p.name != 'core_dump_dest';
select to_char(sysdate) end_time from dual;
spool off
exit
--- end [lockchk10win.sql] ---