[cfe-dev] [llvm-dev] Decommissioning the compiler build artifacts in Google cloud storage

Philip Reames via cfe-dev cfe-dev at lists.llvm.org
Mon Jul 5 09:52:27 PDT 2021

I agree with Reid, both on the general usefulness of this infrastructure 
and the fact that shouldn't block you from retiring it if running it 
isn't worth while for you given the current usage.

I'll comment that I had been largely unaware this existed.  I vaguely 
remembered the original announcement, but had no idea this was still up 
and running.  To the point where I've written prototype code which does 
largely the same thing, and was using it for my own purposes.  :)

Can I ask how much this is costing to maintain?  Both in terms of direct 
cost and operations cost?  I've been toying with the idea of standing up 
something like this myself for public use and am curious if my ballpark 
guesses were accurate.


On 7/4/21 11:13 AM, Reid Kleckner via llvm-dev wrote:
> Don't let me stop you from removing the bucket, but I think this kind 
> of infrastructure would be really handy. Running `git bisect` directly 
> is awfully slow if the search requires rebuilding clang at every step, 
> and an archive of prebuilt compilers can really speed up that search 
> process. I believe Google has at least two internal clang binary 
> archives used for this purpose, and I would really prefer to see that 
> infrastructure externalized.
> On Fri, Jul 2, 2021 at 10:59 AM Azhar Mohammed via cfe-dev 
> <cfe-dev at lists.llvm.org <mailto:cfe-dev at lists.llvm.org>> wrote:
>     The Google cloud storage that we use to upload the compiler build
>     artifacts (mostly from the Green Dragon CI cluster) will soon be
>     going away (on July 12th). The primary motivation for it was the
>     use in bisection (through the `llvmlab bisect` tool [1]), and it
>     doesn’t look like it is getting used much anymore (at least not
>     since the move to monorepo as one can now use `git bisect`
>     directly). Please contact me if you would be impacted by this, or
>     if you have any thoughts or concerns.
>     -
>     Azhar
>     [1]
>     https://lists.llvm.org/pipermail/llvm-dev/2015-October/091140.html
>     <https://lists.llvm.org/pipermail/llvm-dev/2015-October/091140.html>
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