RE: Limiting Oracle Memory

And NT does a good job with VM?

"Walking on water and developing software from a specification are easy if both are frozen."

Christopher R. Spence
Oracle DBA
Fuelspot

-----Original Message-----
Sent: Friday, June 22, 2001 12:06 PM
To: Multiple recipients of list ORACLE-L

I am starting to think that it is a memory leak, it's just to huge to be anything else. I will calculate the size of the tables, that will be the best sign of whats happening.

        Interesting point, which I am sure everyone knows already, is that Oracle
does not let NT manage VM, it takes care of it itself. My question would be, how does it know how much to use? I mean, will it just keep sucking up disk space for VM and bring the machine down? Stick to DB's Oracle, leave VMM to OS people:)
Thanks for the advice:)
Kev

-----Original Message-----
Waleed
Sent: Thursday, June 21, 2001 7:03 PM
To: Multiple recipients of list ORACLE-L

The amount of memory (Virtual) that is used is proportional to the size of PL/SQL table.
There is no solution for this b/c it's perfectly normal except that the amount of used memory is huge in comparison to the maximum amount of data in the table which could be a memory leak.

You could estimate the size of data inserted into this PL/SQL table.

If it's correct then the design should change to using global (or even regular) temporary tables or change the logic to use cursors that will split your job.

Regards,

Waleed

-----Original Message-----
Sent: Thursday, June 21, 2001 1:21 PM
To: Multiple recipients of list ORACLE-L

Hi all,

        I have a procedure that seems to be bringing my server to it's knees.
Winnt, Oracle 817 (Pipe down Ross:))
Anyway, what happens is a pl/sql table is placed into memory and then later on it will be written to the disk. However, by the time the process is about to get to the writing part the machine is dead. The Oracle.exe process is well over 700MBs and the Virtual Memory is over a gig and a half!! Is there anyway for me to limit this, I tried using the registry entry ORA_WORKINGSETMAX, however that doesn't seem to work. Has anyone used this setting? Are you just supposed to put a number in the entry? I put 600 but nothing happens. Any help would be greatly appreciated.

Sincerely,
Kevin Kostyszyn
DBA
Dulcian, Inc
www.dulcian.com
kevin_at_dulcian.com

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