Hi Grant,
I suppose those 4 processors and 4G of RAM are all on one system board so that
configuring the hardware as two distinct domains is not an option. Other than
purchasing more hardware, you may want to consider Sun's "Solaris Resource
Manager" which you can read about at
http://www.sun.com/software/solaris/ds/ds-srm/. Unfortunately, I have no
experience with it so I can add anything to the marketing information. Maybe
others can.
Meanwhile, make sure that you are using priority_paging so that intense demand
for file system pages by one instance will not page out anonymous and executable
pages from the other.
@ Regards,
@ Steve Adams
@ http://www.ixora.com.au/
@ http://www.christianity.net.au/
-----Original Message-----
[mailto:[EMAIL PROTECTED]]
Sent: Thursday, 1 March 2001 12:06
To: Multiple recipients of list ORACLE-L
Group,
being fairly new to Oracle (and this list) I have what I consider (and
others may dare to differ) a valid question....(running with 8i on Solaris
2.6)
How do you manage the division of resources between 2 instances located on
the same host?
We have two oracle 8i instances (and a number of other applications)
running on the same server. One in particular is drastically hogging the
bulk of the server resources thus impeding the performance of the other
instance and related applications
As far as memory conflicts go, we're running an ad hoc query system on one
instance, which means it can get resource hungry and can only be
tuned/designed to an extent. The issue is that the resources it can grab
should be limited, so they don't eat into a minimum resource allocation
that the other instance should get.
I am not aware of a way to use the DBMS_RESOURCE_MANAGER across two
instances. Is there anything we can do here? I'm not sure how we specify
how the two instances relate in terms of resources....perhaps something in
the init.ora file?
Our Oracle environment resides on an exclusive E10K domain with 4 dedicated
(400mhz) processors, 4GB RAM.
TIA
Grant
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Author: Steve Adams
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