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temporary tablespace size [message #52632]

Thu, 01 August 2002 22:42

Saravana Kumar
Messages: 7
Registered: May 2002

Junior Member

size of my temporary tablespace has suddenly shot upto 4 GB. we have very less space in Server now. How can I reduce the datafile size of temporary tablespace?

Oracle Enterprise manager gives some option to directly change the size. but the database is online, and i dont want to do R&D on that.

I am using Oracle 9i Enterprise server with NT Service Pack 6.

Please help.

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Re: temporary tablespace size [message #52634 is a reply to message #52632]

Fri, 02 August 2002 05:17

Mahesh Rajendran
Messages: 10707
Registered: March 2002
Location: oracleDocoVille

Senior Member
Account Moderator

apart from setting an optimum pctincrease ( 0 or nonzero) you can try to force SMON to do some clean up.
1. login to sqlplus as internal /sys
2. alter session set events 'immediate trace name DROP_SEGMENTS level TS#+1';

3. To find the tablespace number run the following query:

select name, ts# from ts$;

4. This will return the tablespace number which you must pass in the query.
5. The DROP_SEGMENTS event will not work if the segments are locked. Typically you will see TS locks in v$lock on the associated tablespace if this event is not working.

This routine does what SMON does in the background, i.e. drops temporary segments. It is provided as a manual intervention tool which the user may invoke if SMON misses the post and does not get to clean the temp segments for hours.

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Re: temporary tablespace size [message #52667 is a reply to message #52632]

Mon, 05 August 2002 13:47

Silpa
Messages: 23
Registered: July 2002

Junior Member

I had the same problem before.

I restarted the database and every thing was clean.

Did immediate shutdown and restarted it.

If you can afford to bring down you database then you can try this.

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