[ci] peg MiKTeX mirror #3113
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[ci] peg MiKTeX mirror #3113
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ugh wait actually it seems that that mirror only hosts one artifact at a very very specific version number (https://ctan.math.illinois.edu/systems/win32/miktex/setup/windows-x64/)
which means this code will break every time a new version is pushed. Ok I will close this and look for other strategies, sorry! |
This was referenced May 25, 2020
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This pull request has been automatically locked since there has not been any recent activity since it was closed. To start a new related discussion, open a new issue at https://github.com/microsoft/LightGBM/issues including a reference to this. |
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I learned tonight that the download link from the main MiKTeX site redirects to individual mirrors. I'm not sure what strategy it uses, but it seems to change pretty frequently. Here's an example from four requests executed within 15 seconds:
I think that pegging to a single mirror will reduce the frequency of errors like this downloading MiKTeX:
In theory that redirect mechanism they have is great because it means the download link should work whenever a particular mirror fails, but as we've seen it regularly routes us to a mirror that we can't successfully download from (for whatever reason). Since the
r-packagejobs already rely on the University of Illinois mirror being up (to install additional LaTeX packages), I'd like to propose that we should just go directly to that mirror for MiKTeX too.