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SQL 死锁进程查看与处理

 2009-09-05 00:00:00 来源:WEB开发网   
核心提示:use master --必须在master数据库中创建 go if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[p_lockinfo]') and OBJECTPROPERTY(id, N'IsPr

use   master   --必须在master数据库中创建  
  go  
   
  if   exists   (select   *   from   dbo.sysobjects   where   id   =   object_id(N'[dbo].[p_lockinfo]')   and   OBJECTPROPERTY(id,   N'IsProcedure')   =   1)  
  drop   procedure   [dbo].[p_lockinfo]  
  GO  
   
  /*--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  
   
    感谢:   caiyunxia,jiangopen   两位提供的参考信息  
   
  --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 

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Tags:SQL 死锁 进程

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