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High UObject discovery time during build

I'm getting a UObject discovery time of over 5 seconds when building. In the test scenario where I got this number, I've done a full rebuild, then added a space in one of my comments in the ClientGameMode.cpp file.

After running the steps in Project.Build.cs It will wait for a while and print : UObject discovery time: 5.1137333s Then proceed to run Parsing headers for unrealEditor. Taking a total of 22 seconds in the end to compile this tiny change.

What is causing this, and how can I resolve or reduce it?

Product Version: UE 4.13
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asked Oct 12 '16 at 04:10 PM in C++ Programming

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zeroZshadow
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