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TEMP tablespace is 99% full...
Hi,
We are on W2K with 8i.
We have a TEMP tablespace defined as 'Temporary'. Size 5 GB.
Today I see it is about 99% used. I belive some one ran a huge query. Now my question after the temp tablespace is used by the oracle for sorting, and the work is completed, does it not return the space back ? If not, how do we get back the unused space (inactive space).. I don't know what word should I use here for this space. Or How do I free the space ?
If someone wants to run a similar query/report will they get an error just becaue it is already 99% used or this new query would make use of the already filled but inactive tablespace(99%) ?
Thanks,
-Hidayath
Last edited by Hidayath; 05-27-2003 at 05:44 PM.
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Re: TEMP tablespace is 99% full...
Originally posted by Hidayath
Now my question after the temp tablespace is used by the oracle for sorting, and the work is completed, does it not return the space back ?
Correct. Behaviour changed in 8i, so that extents are allocated and not de-allocated. It saves on resources.
Use the sys view V$TEMPSEG_USAGE to monitor the usage of the temp tablespace.
also, read the 8i documentation concerning use of temporary tablespaces.
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Thanks ...
Thanks slimdave,
After posting this I went to metalink and got some answers to this.
I am getting error (table or view doesnot exist) when i quried V$TEMPSEG_USAGE view. I used sys.V$TEMPSEG_USAGE still I get the same error. Do you mean v$sort_segment view ?
When I queried the above view I find over 70% of the Blocks are free.
This tells me that though the TEMP space is full by over 99% there are over 70% of free blocks.
Thanks for you reply.
-Hidayath
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I was looking at 9iR2 documentation for that view definition -- maybe it's not in 8i.
check the 8i Reference for a definition of the view, but it sounds correct.
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check also V$Sort_Usage, u will have better picture.
funky...
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