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temporary tablespace - question [message #50170] Tue, 05 March 2002 02:17 Go to next message
iohann
Messages: 1
Registered: March 2002
Junior Member
I have next problem:
During execution of insert or update statements on indexed tables database hangs for some time, temporary tablespace begin grow up, hard disk shows heavily activity.
Server - Oracle 8.1.6 on linux Red Hat 7.2.
This problem started when I upgraded Red Hat Linux 7.0
to version 7.2. I have no problems before.
Please help

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Re: temporary tablespace - question [message #50178 is a reply to message #50170] Tue, 05 March 2002 04:56 Go to previous messageGo to next message
saleem
Messages: 65
Registered: January 2002
Member
your sort area size parameter may not be large enough to handle the sorts oracle needs to perform when executing the queries, so it creates a temp segment for you in the temp tablespace and then conducts the sort there. try increasing sort_area_size in your SGA and then see if the disk activity cuts down.

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Re: temporary tablespace - question [message #50185 is a reply to message #50178] Tue, 05 March 2002 07:16 Go to previous messageGo to next message
kiran srirama
Messages: 14
Registered: March 2002
Junior Member
just before increasing the sort_area_size parameter...please perform the following action:

select sorts(disk), sorts(memory) from v$sysstat;

if sorts(disk) value > 5% sorts(memory) then this is a clear indication that you have to increase ur sort_area_size parameter in initSID.ora fine.

regz
Kiran

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Re: temporary tablespace - question [message #50218 is a reply to message #50170] Wed, 06 March 2002 07:25 Go to previous message
Wei Lang
Messages: 23
Registered: March 2002
Junior Member
The database is updating the indexes on the table after DML. If it is OLTP system, too much indexes is a bad thing especially bitmap indexes.

Wei

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