Re: Re[2]: controlling CPU usage through Oracle

In NT and win2000 you can set Os priorities to the different tasks. If you have the sane facility on aix you can give this db a lower priority so whenever the other databases will need CPU they will get it.

Yechiel Adar
Mehish
----- Original Message -----
To: Multiple recipients of list ORACLE-L <ORACLE-L_at_fatcity.com> Sent: Thursday, August 29, 2002 3:48 PM

> Kevin,
> Thanks for your input.
> Just to clarify; I only want to control this
> one database. I want to limit its resources
> so it does not impact the other 4 databases on
> the box. So, in that case would resource
> manager be beneficial ?
> Also, besides profiles, and resource manager,
> does anyone know of any other tools provided
> by Oracle which would limit resources ?
> Or, any 3rd party tools that my be beneficial ?
>
> I thank everyone for providing their input;
> it's much appreciated.
>
>
> ----- Original Message -----
> To: "Multiple recipients of list ORACLE-L" <ORACLE-L_at_fatcity.com>
> Sent: Wednesday, August 28, 2002 5:23 PM
>
>
> I don't think Resource Manager is going to do the trick here (I just read
> about it over the last week while preparing for OCP exam 4). Resource
> Manager would work great for a single database but Ed is trying to divvy
up
> resources between 5 databases.
>
> I don't have any good solution. I suppose if everything running on this
one
> database was less important than anything on the other 4 databases, you
> could renice the one database. I think that would be ok provided all
> components of the one database were at the same nice level.
>
> Kevin Kennedy
> First Point Energy Corporation
>
> If you take RAC out of Oracle you get OLE! What can this mean?
>
> -----Original Message-----
> Sent: Wednesday, August 28, 2002 9:52 AM
> To: Multiple recipients of list ORACLE-L
>
> -----Original Message-----
> From: Ed Lewis [mailto:eglewis_at_hotmail.com]
> Sent: Tuesday, August 27, 2002 4:18 PM
> To: Multiple recipients of list ORACLE-L
> Subject: controlling CPU usage through Oracle
>
>
> Hi,
> I'm looking for a way to control CPU usage of
> particular queries on a database.
> After exploring, and implementing ways of optimizing the code,
> these queries can run anywhere from 45 seconds
> to 2 minutes.
> This database is 1 of 5 on this box. So, although it's important
> to build effective queries, it's also important in this
> environment that these queries do not impact the other
> 4 databases.
> What I want to do is place a limit on CPU usage
> without terminating the query. I've looked at profiles
> with the "cpu_per_call" and "cpu_per_session" settings.
> I have never used profiles, but from what I understand,
> these will kill the session once they reach a threshold.
> I'm also looking at database resource management.
> This may be more appropriate for this situation.
> Has anyone used this, and if so what are you
> experiences ? Would you recommend it ?
> Would the only way to control CPU usage on this
> box, be through the operating system ?
>
> I welcome any suggestions. I appreciate your time.
>
> The environment is Oracle 8.1.7.2, AIX 4.3.3.
>
> --
> Please see the official ORACLE-L FAQ: http://www.orafaq.com
> --
> Author: Ed Lewis
> INET: eglewis_at_hotmail.com
>
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-- 
Please see the official ORACLE-L FAQ: http://www.orafaq.com
-- 
Author: Yechiel Adar
  INET: adar76_at_inter.net.il

Fat City Network Services    -- (858) 538-5051  FAX: (858) 538-5051
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