公司现在用的是一款服装类ERP软件,目前有二百多个点。
最近系统常出一个现象,一个进程挂起后,其它进程会陆续挂起,然后下面代理商就会朝我大叫,怎么不好使了呢?
大家有谁知道这是什么现象吗
是某种操作造成的死锁吗?如何按步查找问题原因呢。
我现在只能重启sql服务解决,但是这样可能会丢数据,请助各位了。
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--查看谁造成的死锁create procedure [dbo].[sp_who_lock]asbegindeclare @spid int,@bl int,@intTransactionCountOnEntry int, @intRowcount int, @intCountProperties int, @intCounter intcreate table #tmp_lock_who (id int identity(1,1),spid smallint,bl smallint)IF @@ERROR<>0 RETURN @@ERRORinsert into #tmp_lock_who(spid,bl) 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>0IF @@ERROR<>0 RETURN @@ERROR -- 找到临时表的记录数select @intCountProperties = Count(*),@intCounter = 1from #tmp_lock_whoIF @@ERROR<>0 RETURN @@ERROR if @intCountProperties=0select '现在没有阻塞和死锁信息' as message-- 循环开始while @intCounter <= @intCountPropertiesbegin-- 取第一条记录select @spid = spid,@bl = blfrom #tmp_lock_who where Id = @intCounter beginif @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 )end -- 循环指针下移set @intCounter = @intCounter + 1enddrop table #tmp_lock_whoreturn 0end
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- SQL code
--杀死 死锁 CREATE Proc [Sp_KillAllProcessInDB] @DbName VarChar(100) as if db_id(@DbName) = Null begin Print 'DataBase dose not Exist' end else Begin Declare @spId Varchar(30) DECLARE TmpCursor CURSOR FOR Select 'Kill ' + convert(Varchar, spid) as spId from master..SysProcesses where db_Name(dbID) = @DbName and spId <> @@SpId and dbID <> 0 OPEN TmpCursor FETCH NEXT FROM TmpCursor INTO @spId WHILE @@FETCH_STATUS = 0 BEGIN Exec (@spId) FETCH NEXT FROM TmpCursor INTO @spId END CLOSE TmpCursor DEALLOCATE TmpCursor end