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Editorial Team
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Asked: 2026-05-16T06:32:35+00:00

I am building a site using WebFormsMvp and Entity Framework 4. The site is

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I am building a site using WebFormsMvp and Entity Framework 4.

The site is a bit slow and when i profile in dotTrace these three methods take 75% of the time. (My first method takes about 3%)

  1. System.Threading.WaitHandle.InternalWaitOne(SafeHandle,
    Int64, Boolean, Boolean)
  2. Microsoft.Samples.Runtime.Remoting.Channels.Pipe.PipeNative.ConnectNamedPipe(Int32,
    Overlapped)
  3. Microsoft.Samples.Runtime.Remoting.Channels.Pipe.PipeNative.ReadFile(Int32,
    Byte[0..], UInt32, Byte[0..],
    UInt32)

Anyone seen these three before that should shine some light on what this might be? I’ve tried to track them down but cannot find anything useful. I know this is a really hard question to answer..

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1 Answer

  1. Editorial Team

    Those are all routines that block threads. What you need to know is why you are calling for that I/O. There is a very simple way to find out – stackshots.
    All you need is an IDE with a pause button.

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