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Re: Memory Leak?

From: Kenneth C Stahl <kstahl_at_lucent.com>
Date: Tue, 22 Jun 1999 12:01:54 -0400
Message-ID: <376FB371.9EDBDD2D@lucent.com>


If you even suspect a memory leak, contact Oracle support. It may be that there has been a patched issued which addresses the problem. If nothing else, it is better to check this first instead of trying to track it down yourself.

Ken

sunblade_at_my-deja.com wrote:

> Oracle DB Server - Solaris 2.6 sunE4500 4CPU 6GB RAM ~250GB HD Capicty
>
> Oracle Apps Server - Solaris 2.6 sunE450 2CPU 2GB RAM
>
> full ERP package
>
> backup software - Budtool 4.6 w/ oracle module
>
> backup hardware - Storagetek Timberwolf 9714 DLT Jukebox
>
> The problem:
>
> Whenever we do a backup (hot or cold) the database server starts to
> consume memory at a steady rate until it is under 100MB free at which
> point the system starts to stop. During a backup i've run the TOP
> program and watched the memory get sucked up at about 10MB/5sec. We
> have 5 instances running on the DB w/ about 150 concurrent managers
> running between them. I haven't yet tried shutting off all of the
> instances and their concurrent managers before doing a cold backup. I
> hope to get time to do that tonight. Currently for a cold I shut down
> the managers for the database i want to backup and then shut down the
> instance itself and do the backup. As soon as it starts the memory
> drops. It does the same thing for a hot backup. Tonight I plan on
> having a downtime where i can shut down all of the instances and their
> manager and attempt a backup then to see if the memory problem is with
> the oracle processes running. I'm pretty sure it's not my backup
> software itself, but it may be a setting under solaris. Our consultants
> had us make some changes to /etc/system that I think pertain to memory,
> but I don't know enough about solaris memory usage to be certain.
>
Received on Tue Jun 22 1999 - 11:01:54 CDT

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