More powerful hardware worst performance on the data base why?

Dear all

Help, please. I have recently improved our 10.1.0.3 to 10.2.0.4 database on a new server (Windows 2008 Server quard Core 64 bit with 6 GB of RAM). The third party software that will work perfectly, now malfunctioning.



I have compiled a list of summary points.

In summary:


Point 1. A PC (core 2 processor double 32 bit, with 2 GB of RAM on windows XP) runs faster (a windows 2008 server running in the Quard Intel core with 6 GB RAM 64 bit) the two machines are defined to use 70% of the computer's memory (IE total SGA + PGA)

Point 2. When the third-party software works the number of session (v$ session) varies. In some part of the application, it takes 60 + sessions to run a single report for a generation single end-user. (PC use much less session about 12 sessions)

Point 3. The report that generates the session 60 + (I mentioned in point 2) also takes very long time 20-30 minutes (the report still run on the PC run a lot fasters 3-5 minutes)

Point 4. Third party software is written in VB and Chrystal reports.


Questions: -.

1. How is the performance are so poor, even though we have more powerful hardware on the server than the PC?
2. when applications run, and I have observed creating mulitple sessions and destroy is this mean he runs some sort of parallel query on the database?
3. is there anything I can do to improve the speed of the server?

concerning

Ivan

P.S. I statpack data but when I copy and paste the windws text and preview, the look of terrible format so I leave.

ISWC wrote:

Help, please. I have recently improved our 10.1.0.3 to 10.2.0.4 database on a new server (Windows 2008 Server quard Core 64 bit with 6 GB of RAM). The third party software that will work perfectly, now malfunctioning.

Not unusual.

It could be that the configuration used for the new server is not appropriate to use efficiently the resources of that server.

This may, for example, designate a bottleneck caused by the use of more powerful equipment. For example, the I/O layer can manage server maybe pushing 80 Mb/s and 100 Mb/s. Most powerful processors are used, and these now perform i/o more calls per second and shoot n/b I/O required at 160 MB/s. This seriously overloading the IO layer and cause a blow all around performance drastically.

Better support has the knack to better show how the software is designed and used. It allows the code to misconfigured software, designed and written to error even more and cause more problems, per second.

3. is there anything I can do to improve the speed of the server?

Who says that there is nothing wrong with the speed of the server?

Observing that s/w is slower (VB and Crystal Reports as mentioned), it's just that - the observation of a symptom. This does not mean that the server is slow or there is a problem with the speed of the server. The server can run fast. Could just be that it runs a misconfiguration or poorly written software, very fast.

A poor or inexperienced driver will seem a small car and slowish, fine. Put that person in a sports car and inability of the person to drive will quickly become very noticeable. This isn't the fault of the car.

Similarly, I see not the question by looking at the server as being the problem - as if some buttons need to be pressed and switches put in order for automagically solve the performance problem.

You must watch the symptom and identify what is the real problem. Only once you have identified the real problem, can it be addressed and solved.

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