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Editorial Team
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Asked: 2026-05-16T04:31:03+00:00

I have a server application which reads messages off a queue and writes them

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I have a server application which reads messages off a queue and writes them in a database by calling stored procedures. It is written in C# targeting .NET Framework 3.5.

The server is XEON 2.4Ghz (16 cores)

In my Build properties I had the Platform Target as "Any CPU". The result was in the server, all cores to run constant at 100% but the application was running slow!

I changed the Platform Target to be x86 and when running on the server is running much faster than before and the Cores are around 20-30% load.

I can’t really explain what is happening.

Any ideas?

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1 Answer

  1. Editorial Team

    Well, doesn’t make a lot of sense. But you are running with a very different dbase provider. The 64-bit versions of them are relatively new and might not have gone through the same kind of rigorous testing and optimization as their 32-bit versions.

    Still, a program like this should always block on the queue read and the dbase write. I/O is always slow, much slower than raw code. Only when the thread blocks on an I/O request will it use less than 100% of the CPU cycles.

    Do make sure that it isn’t throwing and catching exceptions frequently. That’s expensive and easily gobbles up all CPU resources. Visible while debugging in the Output window.

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