SQL Server进程阻塞的检查和解决办法（转自好友Ｂｌｏｇ）

先声明，这篇文章是转自一个好友（文心残）的Blog。
我最近在项目中遇到了这样的问题，这篇文章给了一个比较好的解决方案。

create   procedure  sp_who_lock
as
begin
declare   @spid   int , @bl   int ,
@intTransactionCountOnEntry   int ,
@intRowcount   int ,
@intCountProperties   int ,
@intCounter   int
create   table  #tmp_lock_who (
id  int   identity ( 1 , 1 ),
spid  smallint ,
bl  smallint )
IF   @@ERROR <> 0   RETURN   @@ERROR
insert   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 > 0
IF   @@ERROR <> 0   RETURN   @@ERROR
--  找到临时表的记录数
select   @intCountProperties   =   Count ( * ), @intCounter   =   1
from  #tmp_lock_who
IF   @@ERROR <> 0   RETURN   @@ERROR
if   @intCountProperties = 0
select   ' 现在没有阻塞信息 '   as  message
--  循环开始
while   @intCounter   <=   @intCountProperties
begin
--  取第一条记录
select   @spid   =  spid, @bl   =  bl
from  #tmp_lock_who  where  Id  =   @intCounter
begin
if   @spid   = 0
select   ' 引起数据库阻塞的是:  ' +   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   +   1
end

drop   table  #tmp_lock_who
return   0
end
GO

-- 结束SQL阻塞的进程％％％％％％％％％％％％％％％％％％％％％％
create      procedure  sp_Kill_lockProcess
as
begin
         SET  NOCOUNT  ON
  declare   @spid   int , @bl   int ,
  @intTransactionCountOnEntry   int ,
  @intRowcount   int ,
  @intCountProperties   int ,
  @intCounter   int ,
         @sSql   nvarchar  ( 200 )
 
  create   table  #tmp_lock_who (
 id  int   identity ( 1 , 1 ),
 spid  smallint ,
 bl  smallint )
 
  IF   @@ERROR <> 0   RETURN   @@ERROR
 
  insert   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 > 0
 
  IF   @@ERROR <> 0   RETURN   @@ERROR
 
  --  找到临时表的记录数
  select   @intCountProperties   =   Count ( * ), @intCounter   =   1
  from  #tmp_lock_who
 
  IF   @@ERROR <> 0   RETURN   @@ERROR
 
  while   @intCounter   <=   @intCountProperties
  begin
          --  取第一条记录
   select   @spid   =  spid, @bl   =  bl
   from  #tmp_lock_who  where  Id  =   @intCounter
   begin
    if   @spid   = 0
    begin
                           set   @sSql = ' kill  '   +   CAST ( @bl   AS   VARCHAR ( 10 ))
                           exec  sp_executesql  @sSql
    end
   end
  
   --  循环指针下移
   set   @intCounter   =   @intCounter   +   1
  end
 
  drop   table  #tmp_lock_who
         SET  NOCOUNT  OFF
  return   0
end

GO