SQLserver数据库死锁处理(治标不治本的方法)
1、/*--处理死锁
查看当前进程,或死锁进程,并能自动杀掉死进程
因为是针对死的,所以如果有死锁进程,只能查看死锁进程
当然,你可以通过参数控制,不管有没有死锁,都只查看死锁进程
--邹建 2004.4--*/
/*--调用示例
exec p_lockinfo
--*/
create proc p_lockinfo
@kill_lock_spid bit=1, --是否杀掉死锁的进程,1 杀掉, 0 仅显示
@show_spid_if_nolock bit=1 --如果没有死锁的进程,是否显示正常进程信息,1 显示,0 不显示
as
declare @count int,@s nvarchar(1000),@i int
select id=identity(int,1,1),标志,
进程ID=spid,线程ID=kpid,块进程ID=blocked,数据库ID=dbid,
数据库名=db_name(dbid),用户ID=uid,用户名=loginame,累计CPU时间=cpu,
登陆时间=login_time,打开事务数=open_tran, 进程状态=status,
工作站名=hostname,应用程序名=program_name,工作站进程ID=hostprocess,
域名=nt_domain,网卡地址=net_address
into #t from(
select 标志='死锁的进程',
spid,kpid,a.blocked,dbid,uid,loginame,cpu,login_time,open_tran,
status,hostname,program_name,hostprocess,nt_domain,net_address,
s1=a.spid,s2=0
from master..sysprocesses a join (
select blocked from master..sysprocesses group by blocked
)b on a.spid=b.blocked where a.blocked=0
union all
select '|_牺牲品_>',
spid,kpid,blocked,dbid,uid,loginame,cpu,login_time,open_tran,
status,hostname,program_name,hostprocess,nt_domain,net_address,
s1=blocked,s2=1
from master..sysprocesses a where blocked<>0
)a order by s1,s2
select @count=@@rowcount,@i=1
if @count=0 and @show_spid_if_nolock=1
begin
insert #t
select 标志='正常的进程',
spid,kpid,blocked,dbid,db_name(dbid),uid,loginame,cpu,login_time,
open_tran,status,hostname,program_name,hostprocess,nt_domain,net_address
from master..sysprocesses
set @count=@@rowcount
end
if @count>0
begin
create table #t1(id int identity(1,1),a nvarchar(30),b Int,EventInfo nvarchar(255))
if @kill_lock_spid=1
begin
declare @spid varchar(10),@标志 varchar(10)
while @i<=@count
begin
select @spid=进程ID,@标志=标志 from #t where id=@i
insert #t1 exec('dbcc inputbuffer('+@spid+')')
if @标志='死锁的进程' exec('kill '+@spid)
set @i=@i+1
end
end
else
while @i<=@count
begin
select @s='dbcc inputbuffer('+cast(进程ID as varchar)+')' from #t where id=@i
insert #t1 exec(@s)
set @i=@i+1
end
select a.*,进程的SQL语句=b.EventInfo
from #t a join #t1 b on a.id=b.id
end
go
2、稍加改造就能变成自动杀进程的过程
CREATE PROCEDURE auto_checkblocks AS
set nocount on
if exists ( select * from master..sysprocesses where blocked <> 0 )
begin
/* show top blockers, but no duplicates */
select convert(char(24),getdate(),13)
select '注意发生阻塞!请不要慌张,请仔细查看下面的信息。导致问题的锁进程:'
select '请尝试使用KILL [SPID] 来杀进程'
select '请尝试使用SP_LOCK [SPID]来显示锁信息,用OBJECT_NAME(ID)来显示锁对象名称或用sp_who [SPID] 来显示信息'
select '在使用OBJECT_NAME显示对象名称时请注意对应的db_id'
select distinct
'进程ID' = str( spid, 4 ),
'进程ID状态' = convert( char(10), status ),
'分块进程的进程ID' = str( blocked, 2 ),
'工作站名称' = convert( char(10), hostname ),
'执行命令的用户' = convert( char(10), suser_name( uid ) ),
'数据库名' = convert( char(10), db_name( dbid ) ),
'应用程序名' = convert( char(10), program_name ),
'正在执行的命令' = convert( char(16), cmd ),
'累计CPU时间' = str( cpu, 7 ),
'IO' = str( physical_io, 7 ),
'登录名' = loginame
from master..sysprocesses
where spid in ( select blocked from master..sysprocesses )
and blocked = 0
order by str(spid,4)
/* 显示阻塞牺牲品 */
select '以上阻塞的牺牲品'
select
'进程ID[SPID]' = str( spid, 4 ),
'进程ID状态' = convert( char(10), status ),
'分块进程的进程ID' = str( blocked, 2 ),
'工作站名称' = convert( char(10), hostname ),
'执行命令的用户' = convert( char(10), suser_name( uid ) ),
'数据库名' = convert( char(10), db_name( dbid ) ),
'应用程序名' = convert( char(10), program_name ),
'正在执行的命令' = convert( char(16), cmd ),
'累计CPU时间' = str( cpu, 7 ),
'IO' = str( physical_io, 7 ),
'登录名' = loginame
from master..sysprocesses
where blocked <> 0
order by spid
end
else
begin
select '恭喜!当前没有阻塞,当前的进程信息如下.', convert (char(24),getdate(),13)
select
'进程ID' = str( spid, 4 ),
'进程ID状态' = convert( char(10), status ),
'分块进程的进程ID' = str( blocked, 2 ),
'工作站名称' = convert( char(10), hostname ),
'执行命令的用户' = convert( char(10), suser_name( uid ) ),
'数据库名' = convert( char(10), db_name( dbid ) ),
'应用程序名' = convert( char(10), program_name ),
'正在执行的命令' = convert( char(16), cmd ),
'累计CPU时间' = str( cpu, 7 ),
'IO' = str( physical_io, 7 ),
'登录名' = loginame
from master..sysprocesses
where blocked = 0
order by spid
end
return
GO
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