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查看temp db

发表于：2024-10-19 作者：千家信息网编辑

千家信息网最后更新 2024年10月19日，use tempdb-- 每隔1秒钟运行一次，直到用户手工终止脚本运行while 1=1beginselect getdate()-- 从文件级看tempdb使用情况dbcc showfilestat

千家信息网最后更新 2024年10月19日查看temp dbuse tempdb

-- 每隔1秒钟运行一次，直到用户手工终止脚本运行

while 1=1

begin

select getdate()

-- 从文件级看tempdb使用情况

dbcc showfilestats

-- Query 1

-- 返回所有做过空间申请的session信息

Select 'Tempdb' as DB, getdate() as Time,

SUM (user_object_reserved_page_count)*8 as user_objects_kb,

SUM (internal_object_reserved_page_count)*8 as internal_objects_kb,

SUM (version_store_reserved_page_count)*8 as version_store_kb,

SUM (unallocated_extent_page_count)*8 as freespace_kb

From sys.dm_db_file_space_usage

Where database_id = 2

-- Query 2

-- 这个管理视图能够反映当时tempdb空间的总体分配

SELECT t1.session_id,

t1.internal_objects_alloc_page_count, t1.user_objects_alloc_page_count,

t1.internal_objects_dealloc_page_count , t1.user_objects_dealloc_page_count,

t3.*

from sys.dm_db_session_space_usage t1 ,

-- 反映每个session累计空间申请

sys.dm_exec_sessions as t3

-- 每个session的信息

where

t1.session_id = t3.session_id

and (t1.internal_objects_alloc_page_count>0

or t1.user_objects_alloc_page_count >0

or t1.internal_objects_dealloc_page_count>0

or t1.user_objects_dealloc_page_count>0)

-- Query 3

-- 返回正在运行并且做过空间申请的session正在运行的语句

SELECT t1.session_id,

st.text

from sys.dm_db_session_space_usage as t1,

sys.dm_exec_requests as t4

CROSS APPLY sys.dm_exec_sql_text(t4.sql_handle) AS st

where t1.session_id = t4.session_id

and t1.session_id >50

and (t1.internal_objects_alloc_page_count>0

or t1.user_objects_alloc_page_count >0

or t1.internal_objects_dealloc_page_count>0

or t1.user_objects_dealloc_page_count>0)

waitfor delay '0:0:1'

end

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select replace(a.hostname,' ','') as hostname ,''''+replace(program_name,' ','')+'''' as program_name
, loginame, j.*
from (
SELECT t1.session_id, t1.internal_objects_alloc_page_count*8.0 internal_objects_alloc_KB,
t1.user_objects_alloc_page_count*8.0 user_objects_alloc_KB,
t1.internal_objects_dealloc_page_count*8.0 internal_objects_dealloc_KB,
t1.user_objects_dealloc_page_count*8.0 user_objects_dealloc_KB,
st.text
from sys.dm_db_session_space_usage as t1,
sys.dm_exec_requests as t4
CROSS APPLY sys.dm_exec_sql_text(t4.sql_handle) AS st
where t1.session_id = t4.session_id
and t1.session_id >50
and (t1.internal_objects_alloc_page_count>0
or t1.user_objects_alloc_page_count >0
or t1.internal_objects_dealloc_page_count>0
or t1.user_objects_dealloc_page_count>0) ) as j
left join
sys.sysprocesses as a with(nolock) on a.spid=j.session_id
where isnull(a.loginame,'') <>''

点击(此处)折叠或打开

select j.session_id,replace(s.hostname,' ','') as hostname ,''''+replace(s.program_name,' ','')+'''' as program_name
, s.loginame, db_name(s.dbid) AS DBname,j.text from
( SELECT t1.session_id,st.text
from sys.dm_db_session_space_usage as t1,
sys.dm_exec_requests as t4
CROSS APPLY sys.dm_exec_sql_text(t4.sql_handle) AS st
where t1.session_id = t4.session_id
and t1.session_id >50
and (t1.internal_objects_alloc_page_count>0
or t1.user_objects_alloc_page_count >0
or t1.internal_objects_dealloc_page_count>0
or t1.user_objects_dealloc_page_count>0)) as j
left join
sys.sysprocesses as s with(nolock) on s.spid=j.session_id
where isnull(s.loginame,'') <>''

点击(此处)折叠或打开

select sum(convert(float,size) * (8192/1024)/1024/1024) TMPFILE_GB, sum(convert(float,maxsize) * (8192/1024)/1024/1024) MAX_TMPFILE_GB,(sum(size)*1.0/sum(maxsize))*100 USED_PER from tempdb.dbo.sysfiles
where name like 'tempdev%'
select * from tempdb.dbo.sysfiles