[cfe-dev] Can we remove llvmbb from IRC?

[David Blaikie via cfe-dev]

On Tue, Sep 1, 2020 at 12:42 PM Nico Weber <thakis at chromium.org> wrote:

> On Tue, Sep 1, 2020 at 3:32 PM David Blaikie <dblaikie at gmail.com> wrote:
>
>> On Tue, Sep 1, 2020 at 12:07 PM Nico Weber via cfe-dev <
>> cfe-dev at lists.llvm.org> wrote:
>>
>>> Hi,
>>>
>>> llvmbb's job is to inform people of build breaks. However, it seems to
>>> trigger for a big list of bots, and at least one of them seems to always be
>>> broken,
>>>
>>
>> If a bot is always broken it shouldn't be sending email/notifications -
>> generally they are configured only to send email on green>red and red>green
>> transitions, so if it's already broken you shouldn't be blamed for it. If
>> you are seeing bot spam or emails from a bot that's already red, please
>> email llvm-dev and the bot maintainer and ask the bot to be reconfigured or
>> disabled.
>>
>> If a bot is regularly flakey (& thus sending email/notifications that are
>> false-positives/that no one can act on) please also send email asking for
>> the bot to be reconfigured or disabled. (or, if you want to be a bit more
>> punchy - send a patch to the zorg repository to have the bot disabled &
>> explain why you're proposing that)
>>
>
> I agree with this in the abstract, but I get pinged completely reliably at
> least twice after every single of my commits. This isn't something that
> sometimes happens, it's something that always happens.
>

Could you point to specific buildbots/email when that comes up to help
improve things both on IRC and email/mailing lists, etc?


> and the broken bots tend to have cycle times of several hours.
>>>
>>
>> Long cycle times are a real problem - that might be best left to another
>> discussion about buildbot maintenance - I would be for a policy that says
>> bot windows shouldn't be longer than, say, an hour or maybe less. (so, eg:
>> if you have a bot that's just going to take 5 hours to run - then you need
>> 5 machines that each pickup work every hour, so the blame lists are
>> smaller) this doesn't solve the problem of being notified 5 hours later
>> about a breakage that was caused by someone else who committed a few
>> minutes before or after you. Solving that problem will require a much
>> greater investment in infrastructure to chain buildbots, possibly use built
>> artefacts from one buildbot to another, etc.
>>
>>
>>> So if you're on IRC and you commit something, you get pinged by llvmbb
>>> for hours afterwards.
>>>
>>> Does anyone think llvmbb is useful?
>>>
>>
>> I sometimes find it useful, but happy to move to llvm-build to get those
>> notifications. Other folks might not know to do that, though.
>>
>>
>>> The best thing about llvmbb I've heard it's easy to just "/ignore
>>> llvmbb", but if that's what everybody does then why not not have it in the
>>> first place?
>>>
>>> Nico
>>> _______________________________________________
>>> cfe-dev mailing list
>>> cfe-dev at lists.llvm.org
>>> https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-dev
>>>
>>
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