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тАО04-01-2003 11:23 PM
тАО04-01-2003 11:23 PM
Kernel tuning for 2 databases in Oracle 8.1.7
Hi,
Currently our customer has an Oracle 8.1.7 database with one instance running on HP-UX 11.00. The application that our customer running on is HP OpenView Operations and Network Node Manager. Our customer requested us to create another database (instance) on the same machine to cater for HP Reporter database. We were thinking of whether we need to re-tune the kernel settings as we had tuned the kernel according to the values required by HP OpenView Installation Guide for Operations.
Prior to the first database creation, we had set the the following values as per Oracle requirements:
SHMMAX = 1 GB
SHMMNI = 256
SHMSEG = 120
SEMMNI = 140
SEMMNS = 400
Refer to the attached files for the current kernel settings on the system output by kmtune and sysdef.
Please advise should you think the current values are not sufficient to cater for two Oracle databases.
Thank you in advance.
Regards,
Melvin
Currently our customer has an Oracle 8.1.7 database with one instance running on HP-UX 11.00. The application that our customer running on is HP OpenView Operations and Network Node Manager. Our customer requested us to create another database (instance) on the same machine to cater for HP Reporter database. We were thinking of whether we need to re-tune the kernel settings as we had tuned the kernel according to the values required by HP OpenView Installation Guide for Operations.
Prior to the first database creation, we had set the the following values as per Oracle requirements:
SHMMAX = 1 GB
SHMMNI = 256
SHMSEG = 120
SEMMNI = 140
SEMMNS = 400
Refer to the attached files for the current kernel settings on the system output by kmtune and sysdef.
Please advise should you think the current values are not sufficient to cater for two Oracle databases.
Thank you in advance.
Regards,
Melvin
3 REPLIES 3
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тАО04-01-2003 11:50 PM
тАО04-01-2003 11:50 PM
Re: Kernel tuning for 2 databases in Oracle 8.1.7
Hi
The parameters SHMMNI SEMMNI SEMMNS should be increased by the same amount for 2 databases.
Also look at increasing nproc maxuprc nflocks
nfile ninode by 10%
That should suffice
Steve Steel
The parameters SHMMNI SEMMNI SEMMNS should be increased by the same amount for 2 databases.
Also look at increasing nproc maxuprc nflocks
nfile ninode by 10%
That should suffice
Steve Steel
If you want truly to understand something, try to change it. (Kurt Lewin)
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тАО04-02-2003 09:39 AM
тАО04-02-2003 09:39 AM
Re: Kernel tuning for 2 databases in Oracle 8.1.7
Don't forget that maxdsiz, maxdsiz_64bi, maxtsiz, maxtsiz_64bit, maxssiz, and maxssiz_64bit need to be set.
I would recommend recommend increasing maxssiz(_64bit) to over 128m. Also, I would increase maxusers to 128-256 (sets alot of different parameters).
Brian
I would recommend recommend increasing maxssiz(_64bit) to over 128m. Also, I would increase maxusers to 128-256 (sets alot of different parameters).
Brian
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тАО04-02-2003 01:06 PM
тАО04-02-2003 01:06 PM
Re: Kernel tuning for 2 databases in Oracle 8.1.7
I'm attaching kmtune output from a machine in the oracle test labs. It is comparable to mine, 11.11 64 bit.
Don't ask me where I got it.
SEP
Don't ask me where I got it.
SEP
Steven E Protter
Owner of ISN Corporation
http://isnamerica.com
http://hpuxconsulting.com
Sponsor: http://hpux.ws
Twitter: http://twitter.com/hpuxlinux
Founder http://newdatacloud.com
Owner of ISN Corporation
http://isnamerica.com
http://hpuxconsulting.com
Sponsor: http://hpux.ws
Twitter: http://twitter.com/hpuxlinux
Founder http://newdatacloud.com
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