如何使用跟踪标记 1204
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-- 如何使用跟踪标记 1204
--
-- 邹建 2005.08(引用请保留此信息)
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-- 测试环境
USE tempdb
GO
CREATE TABLE ta(id int)
INSERT ta SELECT 1
CREATE TABLE tb(id int)
INSERT tb SELECT 1
GO
-- 开启死锁记录
DBCC TRACEON(1204,3605,-1)
GO
-- 产生死锁 (查询窗口A)
SET LOCK_TIMEOUT -1
SET TRANSACTION ISOLATION LEVEL
REPEATABLE READ
BEGIN TRAN
SELECT * FROM ta WHERE id=1
WAITFOR DELAY '00:05:00'
UPDATE tb SET id=2 WHERE id=1
COMMIT TRAN
GO
-- 产生死锁 (查询窗口B)
SET LOCK_TIMEOUT -1
SET DEADLOCK_PRIORITY LOW
SET TRANSACTION ISOLATION LEVEL
REPEATABLE READ
BEGIN TRAN
SELECT * FROM tb WHERE id=1
UPDATE ta SET id=2 WHERE id=1
COMMIT TRAN
GO
-- 关闭死锁记录
DBCC TRACEOFF(1204,3605)
GO
-- 清除测试
DROP TABLE ta,tb
GO
-- 1204 产生的日志记录信息
2005-08-25 08:16:21.85 spid4 Node:1
2005-08-25 08:16:21.85 spid4 RID: 2:1:28:0 CleanCnt:2 Mode: U Flags: 0x2
2005-08-25 08:16:21.85 spid4 Grant List 0::
2005-08-25 08:16:21.85 spid4 Owner:0x1998aec0 Mode: S Flg:0x0 Ref:1 Life:02000000 SPID:52 ECID:0
2005-08-25 08:16:21.85 spid4 SPID: 52 ECID: 0 Statement Type: UPDATE Line #: 1
2005-08-25 08:16:21.85 spid4 Input Buf: Language Event: SET LOCK_TIMEOUT -1
SET TRANSACTION ISOLATION LEVEL
REPEATABLE READ
BEGIN TRAN
SELECT * FROM tb WHERE id=1
WAITFOR DELAY '00:01:00'
UPDATE ta SET id=2 WHERE id=1
COMMIT TRAN
2005-08-25 08:16:21.85 spid4 Requested By:
2005-08-25 08:16:21.85 spid4 ResType:LockOwner Stype:'OR' Mode: X SPID:51 ECID:0 Ec:(0x19B5B558) Value:0x1997b2c0 Cost:(1/0)
2005-08-25 08:16:21.85 spid4 Node:2
2005-08-25 08:16:21.85 spid4 RID: 2:1:15:0 CleanCnt:2 Mode: U Flags: 0x2
2005-08-25 08:16:21.85 spid4 Grant List 0::
2005-08-25 08:16:21.85 spid4 Owner:0x1997b3e0 Mode: S Flg:0x0 Ref:1 Life:02000000 SPID:51 ECID:0
2005-08-25 08:16:21.85 spid4 SPID: 51 ECID: 0 Statement Type: UPDATE Line #: 1
2005-08-25 08:16:21.85 spid4 Input Buf: Language Event:
SET LOCK_TIMEOUT -1
SET DEADLOCK_PRIORITY LOW
SET TRANSACTION ISOLATION LEVEL
REPEATABLE READ
BEGIN TRAN
SELECT * FROM ta WHERE id=1
WAITFOR DELAY '00:01:00'
UPDATE tb SET id=2 WHERE id=1
COMMIT TRAN
2005-08-25 08:16:21.85 spid4 Requested By:
2005-08-25 08:16:21.85 spid4 ResType:LockOwner Stype:'OR' Mode: X SPID:52 ECID:0 Ec:(0x1A24D558) Value:0x1998cfa0 Cost:(0/0)
2005-08-25 08:16:21.85 spid4 Victim Resource Owner:
2005-08-25 08:16:21.85 spid4 ResType:LockOwner Stype:'OR' Mode: X SPID:51 ECID:0 Ec:(0x19B5B558) Value:0x1997b2c0 Cost:(1/0)
-- 分析日志记录信息, 以分析 Node:1 为例, --** 标注的是说明
--** Node:x 在死锁的链中表示项目号 (x)。
2005-08-25 08:16:21.85 spid4 Node:1
2005-08-25 08:16:21.85 spid4 RID: 2:1:28:0 CleanCnt:2 Mode: U Flags: 0x2
--** Lists, 可以是授权(Grant)、转换(Convert)和等待(Wait),Grant List列举当前授权的所有者.
2005-08-25 08:16:21.85 spid4 Grant List 0::
2005-08-25 08:16:21.85 spid4 Owner:0x1998aec0 Mode: S Flg:0x0 Ref:1 Life:02000000 SPID:52 ECID:0
--** 在并行进程情况下,标识系统进程 ID 线程。条目 SPID x ECID 0 表示主线程,而 SPID x ECID > 0 表示同一 SPID 的子线程。
--** Statement Type: 语句类型
--** Line #:死锁发生时,正在执行的语句的行号
2005-08-25 08:16:21.85 spid4 SPID: 52 ECID: 0 Statement Type: UPDATE Line #: 1
--** input Buf 列出当前批处理中所有的语句。
2005-08-25 08:16:21.85 spid4 Input Buf: Language Event:
SET LOCK_TIMEOUT -1
SET TRANSACTION ISOLATION LEVEL
REPEATABLE READ
BEGIN TRAN
SELECT * FROM tb WHERE id=1
WAITFOR DELAY '00:01:00'
UPDATE ta SET id=2 WHERE id=1
COMMIT TRAN
2005-08-25 08:16:21.85 spid4 Requested By:
--** Mode 为线程请求、授权或等待的特定资源,指定锁的类型。模式可以是 IS(意向共享)、S(共享)、U(更新)、IX(意向独占)、SIX(与意向独占共享)和 X(独占)
2005-08-25 08:16:21.85 spid4 ResType:LockOwner Stype:'OR' Mode: X SPID:51 ECID:0 Ec:(0x19B5B558) Value:0x1997b2c0 Cost:(1/0)