DB performance is very slow from a WINDOWS machine

Hi,
We have written an application which contains a pkg that will write all the logs related to application in the form of a text file. We are using utl file operation to achieve the same. As of now I have 2 Setups. We have two IBM servers with similar configuration, one in which we have installed Windows server 2003 and the other with HP-UX. We have installed 11g version of DB In these two machines. The problem is with the performance of the application. The DB in Unix server takes less time for writing the log. For eg: it takes 10 secs to write 5MB log. But the same takes more than an hour from a Windows machine. I want to know whether the performance of the DB depends on the OS which we are operating from or else it depends on the parameters set for the DB? Kindly help me.
Thanks
Vin..

tyro_vin wrote:
Hi,
We have written an application which contains a pkg that will write all the logs related to application in the form of a text file. We are using utl file operation to achieve the same. As of now I have 2 Setups. We have two IBM servers with similar configuration, one in which we have installed Windows server 2003 and the other with HP-UX. We have installed 11g version of DB In these two machines. The problem is with the performance of the application. The DB in Unix server takes less time for writing the log. For eg: it takes 10 secs to write 5MB log. But the same takes more than an hour from a Windows machine. I want to know whether the performance of the DB depends on the OS which we are operating from or else it depends on the parameters set for the DB? Kindly help me.I did some testing a while back between windows and linux and the difference on properly configured windows and linux database servers (same hardware same db version) wasn't worth talking about (< 10% often less than 5%).
That said it's not clear what exactly you mean. If you mean that writing a 5mb file on a windows machine takes an hour, then yep something is badly wrong - most likely with the hardware. I suspect though that what you mean is that you do a bunch of database work and that takes an hour on one machine and 10s on the other. This is likely to be a problem amenable to response time analysis, that is to say talking your workload and tracing it with timing information to see where it is spending the time. As you say it is your package, you will also be able to (and should) instrument your own code to see where the time is spent.
given the huge difference, you may well also find that statspack/awr will spit out your offending processes quite well as well.
regards
Niall Litchfield
http://www.orawin.info/

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user11263705 wrote:
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On Fri, 15 Aug 2003 11:55:03 -0500 (CDT), HAL wrote:
>My performance is very slow when I run graphs. How do I increase the
>speed at which I can do other things while the data is being updated
>and displayed on the graphs?
>
>I am doing an an aquisition and displaying the data on graphs. When I
>run the program it is slow. I think because I have the number of
>scans to read associated with my scan rate. It takes the number of
>seconds I want to display on the chart times the scan rate and feeds
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>The problem is that it stalls until the data points are aquired and
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ble to help
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"There are very few problems that cannot be solved by
orders ending with 'or die.' " -Alistair J.R Young

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USERNAME SID
WPCPRODUSR 378
WPCPRODUSR 379
WPCPRODUSR 380
WPCPRODUSR 381
WPCPRODUSR 382
WPCPRODUSR 383
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WPCPRODUSR 385
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WPCPRODUSR 387
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USERNAME SID
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USERNAME SID
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WPCPRODUSR 403
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USERNAME SID
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USERNAME SID
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USERNAME SID
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USERNAME SID
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WPCPRODUSR 455
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WPCPRODUSR 466
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WPCPRODUSR 477
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WPCPRODUSR 480
WPCPRODUSR 481
WPCPRODUSR 482
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WPCPRODUSR 486
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USERNAME SID
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WPCPRODUSR 503
WPCPRODUSR 504
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WPCPRODUSR 509
USERNAME SID
WPCPRODUSR 510
WPCPRODUSR 511
WPCPRODUSR 512
WPCPRODUSR 513
WPCPRODUSR 514
WPCPRODUSR 515
WPCPRODUSR 516
WPCPRODUSR 517
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WPCPRODUSR 519
WPCPRODUSR 520
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WPCPRODUSR 522
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Hello,
The specific forum is dealing with printing software for Macintosh envoirnment.
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Shlomi
Say thanks by clicking the Kudos thumb up in the post.
If my post resolve your problem please mark it as an Accepted Solution

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DB performance is very slow from a WINDOWS machine

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