现在的位置: 首页 > 综合 > 正文

sql server性能分析–检测数据库阻塞语句

2013年06月01日 ⁄ 综合 ⁄ 共 1819字 ⁄ 字号 评论关闭

 

create PROCEDURE [dbo].[auto_checkblocks] AS
set nocount on
if exists ( select * from master..sysprocesses where blocked <> 0 )

begin
    /**//* show top blockers, but no duplicates */
    select '请尝试使用KILL [SPID] 来杀进程'
  --      select '请尝试使用SP_LOCK [SPID]来显示锁信息,用OBJECT_NAME(ID)来显示锁对象名称或用sp_who [SPID] 来显示信息'
   --     select '在使用OBJECT_NAME显示对象名称时请注意对应的db_id'  
       select '以下是引起阻塞的语句' 
    select distinct
    '进程ID'              = str( a.spid, 4 ),
    '进程ID状态'          = convert( char(10), a.status ),
    '分块进程的进程ID'    = str( a.blocked, 2 ),
    '工作站名称'          = convert( char(10), a.hostname ),
    '执行命令的用户'      = convert( char(10), suser_name( a.uid ) ),
    '数据库名'            = convert( char(10), db_name(a.dbid ) ),       
    '应用程序名'          = convert( char(10), a.program_name ),
    '正在执行的命令'      = convert( char(16), a.cmd ),
    '累计CPU时间'         = str( a.cpu, 7 ),
    'IO'                  = str( a.physical_io, 7 ),
        '登录名'              = a.loginame,
    '执行语句'=b.text
    from master..sysprocesses a
    cross apply sys.dm_exec_sql_text(a.sql_handle) b
    where spid in ( select blocked from master..sysprocesses )
    and blocked = 0
    order by str(spid,4)

    /**//* 显示阻塞牺牲品 */
    select '以下是被阻塞的等待执行的语句' 
        select 
    '进程ID[SPID]'        = str( a.spid, 4 ),
    '进程ID状态'          = convert( char(10), a.status ),
    '分块进程的进程ID'    = str( a.blocked, 2 ),
    '工作站名称'          = convert( char(10), a.hostname ),
    '执行命令的用户'      = convert( char(10), suser_name( a.uid ) ),
    '数据库名'            = convert( char(10), db_name( a.dbid ) ),       
    '应用程序名'          = convert( char(10), a.program_name ),
    '正在执行的命令'      = convert( char(16), a.cmd ),
    '累计CPU时间'         = str( a.cpu, 7 ),
    'IO'                  = str( a.physical_io, 7 ),
        '登录名'              = a.loginame,
    '执行语句'=b.text
    from master..sysprocesses a
    cross apply sys.dm_exec_sql_text(a.sql_handle) b
    where blocked <> 0
    order by spid
end

else
begin
    select '恭喜!当前没有阻塞,当前的进程信息如下.', convert (char(24),getdate(),13)
        select 
    '进程ID'              = str( spid, 4 ),
    '进程ID状态'          = convert( char(10), status ),
    '分块进程的进程ID'    = str( blocked, 2 ),
    '工作站名称'          = convert( char(10), hostname ),
    '执行命令的用户'      = convert( char(10), suser_name( uid ) ),
    '数据库名'            = convert( char(10), db_name( dbid ) ),       
    '应用程序名'          = convert( char(10), program_name ),
    '正在执行的命令'      = convert( char(16), cmd ),
    '累计CPU时间'         = str( cpu, 7 ),
    'IO'                  = str( physical_io, 7 ),
        '登录名'              = loginame
    from master..sysprocesses
    where blocked = 0
    order by spid
end

return

抱歉!评论已关闭.