如果想要查出SQL Server死锁的原因，下面就教您SQL Server死锁监控的语句写法，如果您对此方面感兴趣的话，不妨一看。
下面的SQL语句运行之后，便可以查找出SQLServer死锁和阻塞的源头。
查找出SQLServer的死锁和阻塞的源头 –查找出SQLServer死锁和阻塞的源头
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<pre class="inline:true class:language-sql decode:1 " >use master go declare @spid int,@bl int DECLARE s_cur CURSOR FOR select 0 ,blocked from (select * from sysprocesses where blocked>0 ) a where not exists(select * from (select * from sysprocesses where blocked>0 ) b where a.blocked=spid) union select spid,blocked from sysprocesses where blocked>0 OPEN s_cur FETCH NEXT FROM s_cur INTO @spid,@bl WHILE @@FETCH_STATUS = 0 begin if @spid =0 select '引起数据库死锁的是: '+ CAST(@bl AS VARCHAR(10)) + '进程号,其执行的SQL语法如下' else select '进程号SPID：'+ CAST(@spid AS VARCHAR(10))+ '被' + ' 进程号SPID：'+ CAST(@bl AS VARCHAR(10)) +'阻塞,其当前进程执行的SQL语法如下' DBCC INPUTBUFFER (@bl ) FETCH NEXT FROM s_cur INTO @spid,@bl end CLOSE s_cur DEALLOCATE s_cur |
查看当前进程,或死锁进程,并能自动杀掉死进程 –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。
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<pre class="inline:true class:language-sql decode:1 " >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 exec p_lockinfo |
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