Regarding the high CPU problem mentioned in this article,
It happened to me today too,
And the project has been adjusted to a state where no code is executed,
The solution can only be to open a new project in UGS,
Re-upload your build,
I think when UGS uploads the build,
It took too long to clean up previous builds,
or incomplete removal.
I have also come across this, I have not tested waiting a while in case it just needs more time but disabling the fleet - waiting for the servers to be removed - reenabling the fleet fixes this
make sure to submit the new build before reenabling the fleet