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Sunday 1 April 2012

Oracle Temp space information

Oracle Space usage
Oracle Temp


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 v$sort_segment A, ( SELECT B.name, C.block_size, SUM (C.bytes) / 1024 / 1024 mb_total
FROM v$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;


TABLESPACE MB_TOTAL MB_USED MB_FREE
------------------------------- ---------- ---------- ----------
TEMP 29 0 29







SELECT S.sid || ',' || S.serial# sid_serial, S.username,
T.blocks * TBS.block_size / 1024 / 1024 mb_used, T.tablespace,
T.sqladdr address, Q.hash_value, Q.sql_text
FROM v$sort_usage T, v$session S, v$sqlarea Q, dba_tablespaces TBS
WHERE T.session_addr = S.saddr
AND T.sqladdr = Q.address (+)
AND T.tablespace = TBS.tablespace_name
ORDER BY S.sid;


SELECT S.sid || ',' || S.serial# sid_serial, S.username, S.osuser, P.spid, S.module,
S.program, SUM (T.blocks) * TBS.block_size / 1024 / 1024 mb_used, T.tablespace,
COUNT(*) sort_ops
FROM v$sort_usage T, v$session S, dba_tablespaces TBS, v$process P
WHERE T.session_addr = S.saddr
AND S.paddr = P.addr
AND T.tablespace = TBS.tablespace_name
GROUP BY S.sid, S.serial#, S.username, S.osuser, P.spid, S.module,
S.program, TBS.block_size, T.tablespace
ORDER BY sid_serial;




break on report
compute sum of mb on report
compute sum of pct on report

col sid format a10 heading "Session ID"
col username format a10 heading "User Name"
col sql_text format a8 heading "SQL"
col tablespace format a10 heading "Temporary|TS Name"
col mb format 999,999,990 heading "Mbytes|Used"
col pct format 990.00 heading "% Avail|TS Spc"

select s.sid || ',' || s.serial# sid,
s.username,
u.tablespace,
substr(a.sql_text, 1, (instr(a.sql_text, ' ')-1)) sql_text,
u.blocks/128 mb,
((u.blocks/128)/(sum(f.blocks)/128))*100 pct
from v$sort_usage u,
v$session s,
v$sqlarea a,
dba_data_files f
where s.saddr = u.session_addr
and a.address (+) = s.sql_address
and a.hash_value (+) = s.sql_hash_value
and f.tablespace_name = u.tablespace
group by
s.sid || ',' || s.serial#,
s.username,
substr(a.sql_text, 1, (instr(a.sql_text, ' ')-1)),
u.tablespace,
u.blocks/128

spool sort_use
/




select u.username, s.sql_fulltext, u.segtype, u.extents, u.blocks
from v$tempseg_usage u, v$sql s
where s.sql_id = u.sql_id;


SELECT s.username, u."USER", u.tablespace,u.contents,u.extents, u.blocks,a.sql_text,u.sqladdr,u.sqlhash
FROM v$session s,v$sort_usage u,v$sql a
WHERE s.SADDR = u.SESSION_ADDR
and a.hash_value = u.sqlhash and u.contents = 'TEMPORARY'

Oracle DBA

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