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тАО07-08-2003 10:56 AM
тАО07-08-2003 10:56 AM
System appears fine, but apps run slow
Thanks
Mike Peddycord
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тАО07-08-2003 11:05 AM
тАО07-08-2003 11:05 AM
Re: System appears fine, but apps run slow
On the system side, look at memory allocation. What percentage of the I/O is physical I/O?
HTH
Marty
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тАО07-08-2003 11:09 AM
тАО07-08-2003 11:09 AM
Re: System appears fine, but apps run slow
There are two methods to analyze your problem:
1) You supply very little data and we "Use the Force".
2) You supply things like kmtune outputs from both boxes, sar or Glance output, vmstat output, ... and then we use more conventional methods.
You mention longer compile times but what about other applications. Are database query times longer? More data, please.
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тАО07-08-2003 08:22 PM
тАО07-08-2003 08:22 PM
Re: System appears fine, but apps run slow
a few more info.
Is the database on the same server or a different one?
(could it be a network connection problem?)
revert
regards
Yogeeraj
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тАО07-08-2003 08:49 PM
тАО07-08-2003 08:49 PM
Re: System appears fine, but apps run slow
My adaptation of HP's background performance data collection scripts.
Simply run the attached scripts in the background and data will be magically collected. You will see what your bottleneck is and have a good start at cleaning it up.
I'm betting on swap, based on your answer.
swapinfo -tam
On low memory systems (Under 4 GB), swap needs to be twice RAM to support Oracle. That is based on real world experience.
How you get there is a matter of debate.
I am now testing the A. Clay style of smaller primary swap with a larger secondary swap. Sized correctly this can provide you great performance.
Run the scripts Luke. See what the data tells you(Couldn't resist).
SEP
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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тАО07-08-2003 11:20 PM
тАО07-08-2003 11:20 PM
Re: System appears fine, but apps run slow
Well you can check the database performance by running script :$ORACLE_HOME/rdbms/bin.
The two script are utlbstat.sql and utlestat.sql.
OR you can load a software called TOAD at www.toad.com.It's free trial for 30 days.
Then post the output of this script and we might take turn to look at the result.
regards
mB