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SQL Server进程阻塞的检查和解决办法

2009-03-19 14:57 429 查看
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

//-----------------------------------------

declare Roy_lock cursor for
select
db_name(dbid),0,blocked
from
master..sysprocesses a
where
Blocked>0 and
not exists(select 1 from Master..Sysprocesses where blocked=a.spid)
union
select
db_name(dbid),spid,blocked
from
master..sysprocesses a
where
Blocked>0
declare @DBName sysname,@spid bigint,@Blocked bigint
open Roy_lock
fetch next from Roy_lock into @DBName,@spid,@Blocked
while @@fetch_status=0
begin
if @spid=0
print N'鎖定數據庫:'+@DBName+' 語句:'
else
print N'鎖定數據庫:'+@DBName+' 進程SPID:'+rtrim(@spid)+' 語句:'
dbcc inputbuffer(@Blocked)
fetch next from Roy_lock into @DBName,@spid,@Blocked
end
close Roy_lock
deallocate Roy_lock

GO

SQL2005:

with Lock(dbName,spid,blocked,sql_handle)
as
(
select
db_name(dbid),0,blocked,sql_handle
from
master..sysprocesses a
where
Blocked>0 and
not exists(select 1 from Master..Sysprocesses where blocked=a.spid)
union
select
db_name(dbid),spid,blocked,sql_handle
from
master..sysprocesses a
where
Blocked>0
)
select * from Lock a cross apply sys.dm_exec_sql_text(a.sql_handle)b

//----------------------------------------------------------------------------

--查看锁信息
create table #t(req_spid int,obj_name sysname)

declare @s nvarchar(4000)
,@rid int,@dbname sysname,@id int,@objname sysname

declare tb cursor for
select distinct req_spid,dbname=db_name(rsc_dbid),rsc_objid
from master..syslockinfo where rsc_type in(4,5)
open tb
fetch next from tb into @rid,@dbname,@id
while @@fetch_status=0
begin
set @s='select @objname=name from ['+@dbname+']..sysobjects where id=@id'
exec sp_executesql @s,N'@objname sysname out,@id int',@objname out,@id
insert into #t values(@rid,@objname)
fetch next from tb into @rid,@dbname,@id
end
close tb
deallocate tb

select 进程id=a.req_spid
,数据库=db_name(rsc_dbid)
,类型=case rsc_type when 1 then 'NULL 资源(未使用)'
when 2 then '数据库'
when 3 then '文件'
when 4 then '索引'
when 5 then '表'
when 6 then '页'
when 7 then '键'
when 8 then '扩展盘区'
when 9 then 'RID(行 ID)'
when 10 then '应用程序'
end
,对象id=rsc_objid
,对象名=b.obj_name
,rsc_indid
from master..syslockinfo a left join #t b on a.req_spid=b.req_spid

go
drop table #t

//----------------------------------------------------------------
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