[cfe-dev] [llvm-dev] Buildbot Noise

[Reid Kleckner via cfe-dev]

We are not saying "don't test on ARM". We are merely saying "don't send
low-value email notifications". Bots that don't send email still provide
value through their logs for after the fact fault finding.

This would be a departure from what we have done in the past, and I agree,
it does place a lot more burden on buildbot maintainers to monitor
infrastructure failures etc. That said, I think it's a *good* thing, for
the reasons already outlined.

The way I see it, being able to send lots of email notifications to
developers who might have broken your bot platform or configuration is a
privilege. To earn that privilege, you have to also put in work to ensure
that those notifications are meaningful.

I know maintaining CI infrastructure is grueling work, and the LLVM
community as a whole may not have the coordination or manpower to keep the
infrastructure reliable. Until that changes (and I hope it does), disabling
flaky notifications is probably better than tolerating them.

---

Hopefully that captures how developers feel. I also want to thank Renato
for maintaining all these bots over the years. He has already done a huge
amount of the buildbot stabilization and reliability work that I'm talking
about. I'm sure we can find a way forward for ARM testing.
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