oracle 4

临时表空间使用率：

set pages 800

set lines 150

set feedback off

--Total Used

SELECT A.tablespace_name tablespace, D.mb_total,

SUM (A.used_blocks * D.block_size)/1024/1024 mb_used,

D.mb_total - SUM (A.used_blocks * D.block_size)/1024/1024 mb_free

FROM gv$sort_segment A,

(

SELECT B.name, C.block_size, SUM (C.bytes)/1024/1024 mb_total

FROM v$tablespace B, v$tempfile C

WHERE B.ts#= C.ts#

GROUP BY B.name, C.block_size

) D

WHERE A.tablespace_name = D.name

GROUP by A.tablespace_name, D.mb_total

/

--Used by Session

set line 400

col username format a20

SELECT s.inst_id, s.username, s.sid, s.serial#, u.tablespace,

sum(u.blocks * ts.block_size)/1024/1024 mb_used

FROM gv$session s, gv$sort_usage u, dba_tablespaces ts

WHERE s.saddr = u.session_addr

and s.inst_id = u.inst_id

and u.tablespace = ts.tablespace_name

GROUP by s.inst_id, s.username, s.sid, s.serial#, u.tablespace

ORDER by 6

/

(2)监控每个会话使用了多少临时表空间

select se.inst_id, se.sid,se.SERIAL#,tablespace, sum(tu.blocks)*32/1024/1024,SE.USERNAME

from gv$tempseg_usage tu, gv$session se

where tu.inst_id = se.inst_id

and tu.session_addr = se.saddr

and tu.session_num = se.serial#

group by se.inst_id, se.sid,se.SERIAL#,tablespace,SE.USERNAME

order by 5 desc;

Select se.username,se.sid,su.extents,su.blocks*to_number(rtrim(p.value))as Space,tablespace,segtype,sql_text from v$sort_usage su,v$parameter p,v$session se,v$sql s where p.name='db_block_size' and su.session_addr=se.saddr and s.hash_value=su.sqlhash and s.address=su.sqladdr
order by se.username,se.sid;