No need to apologise!

Do you have benchmarks using the Prometheus remote-read and remote-write 
protobufs ?

On Wednesday 14 February 2024 at 08:08:37 UTC [email protected] wrote:

> Hi all, sorry to disrupt this discussion.
>
> Before stumbling upon this thread, I had worked on a separate fork 
> <https://github.com/prometheus/prometheus/compare/main...mircodz:prometheus:deprecate-gogo>
>  
> to deprecate gogo in favor of csproto, as compiling it using 
> enableunsafedecode=true seems <https://github.com/mircodz/go-proto-bench> to 
> give performance even better than vtproto. (Note, I have only compared 
> the performance of csproto and vtproto to the official proto generator, 
> and not gogo).
> As of now the branch compiles and passes all tests, but I haven't gone 
> through the code to check for possible optimizations that could arise from 
> migrating away from gogo.
> Would you be interested in a pull request? As mentioned above, this would 
> be also a good opportunity to cleanup the proto generation code using buf.
>
> P.S.: This would depend on a change in prometheus/client_model, but would 
> allow removing the duplicate proto definition in the repository.
>
> King Regards,
> Mirco De Zorzi.
> On Monday, February 5, 2024 at 10:58:17 AM UTC+1 Bartłomiej Płotka wrote:
>
>> Issue for reference: 
>> https://github.com/prometheus/prometheus/issues/11908
>>
>> Kind Regards,
>> Bartek Płotka
>>
>> On Saturday, February 3, 2024 at 12:56:09 PM UTC Bartłomiej Płotka wrote:
>>
>>> We did a bit of testing for remote write 2.0 work (e.g. here 
>>> <https://github.com/bwplotka/go-proto-bench>) for gogo vs different 
>>> plugins, and vtproto is the most promising even with more pointers.
>>>
>>> We have to get rid of nullables, yes (more pointers, pore separate 
>>> objects on heap, generally more allocs), but even for our current remote 
>>> write (especially with interning) there is literally not many slices (with 
>>> many elements) that use custom types. And even if there are (e.g. 
>>> []*TimeSeries) those objects might be worth to keep separate on the heap. 
>>> This is also what protobuf direction will be, given the vision of "opaque 
>>> API" (ability to load/allocate/ parts of proto message in a lazy way).
>>>
>>> Furthermore we hit a roadblock a bit, as a apparently "optional 
>>> <https://github.com/gogo/protobuf/issues/713>" proto3 option does not 
>>> work with proto. This makes it maybe even more worth doing. (e.g. PRW 2.0 
>>> optional timestamp int64 would not be able to have valid value of 0 etc).
>>>
>>> I think I would consider doing this work this summer, perhaps as a GSoC 
>>> mentorship 
>>> <https://github.com/cncf/mentoring/blob/main/programs/summerofcode/2024.md>.
>>>  
>>> Anyone would like to mentor/co-mentor that with me or Callum? (: 
>>>
>>> Kind Regards,
>>> Bartek Plotka
>>>
>>> On Wednesday, November 29, 2023 at 2:38:14 AM UTC [email protected] 
>>> wrote:
>>>
>>>> As part of all the remote write proto changes I've been working on I 
>>>> tried out moving us off of gogoproto, cherry picking Austin's original 
>>>> changes into a new branch off of the current main branch.
>>>>
>>>> As Tom mentioned, the main reason for using gogoproto is that `repeated 
>>>> SomeMessageType = n;` fields within messages are generated as slices of 
>>>> concrete types rather than slices of pointers, which makes it much easier 
>>>> to write code that avoids extra memory allocations. From what I've hacked 
>>>> together, we can get similar (or potentially better) performance using 
>>>> vtproto and their pooling feature, but it's going to be a big refactoring 
>>>> effort. 
>>>>
>>>> It might, however, be worth it. It looks to me like even with slightly 
>>>> more allocations the proto marshalling is faster and the marshalled 
>>>> message 
>>>> is smaller. I'll push what I have later this week when I'm more confident 
>>>> it's working correctly.
>>>>
>>>> On Thursday, July 8, 2021 at 2:42:41 AM UTC-7 Frederic Branczyk wrote:
>>>>
>>>>> I think I'd be most useful to rebase, and create a PR from this, then 
>>>>> we can see whether tests pass and we can run prombench (although I don't 
>>>>> think there are any perf tests that involve the proto parts). Then we can 
>>>>> discuss on there and figure out where to take this.
>>>>>
>>>>> Thank you so much for the work you have already put into this!
>>>>>
>>>>> On Mon, 21 Jun 2021 at 19:53, Austin Cawley-Edwards <
>>>>> [email protected]> wrote:
>>>>>
>>>>>> I've updated my branch (
>>>>>> https://github.com/austince/prometheus/tree/feat/drop-gogo) to use 
>>>>>> both the vitess plugin and the buf tool, which indeed fit very nicely 
>>>>>> together.
>>>>>>
>>>>>> I've only updated the code enough for it to compile, have not 
>>>>>> investigated the semantic differences. This is likely the furthest I'll 
>>>>>> be 
>>>>>> able to take this for a bit, so feedback and playing around are welcome 
>>>>>> and 
>>>>>> appreciated if this is where we'd like protobuf in Prometheus to go :) 
>>>>>>
>>>>>> Best,
>>>>>> Austin
>>>>>>
>>>>>> On Thu, Jun 17, 2021 at 12:56 PM Frederic Branczyk <[email protected]> 
>>>>>> wrote:
>>>>>>
>>>>>>> I have heard great thing, but haven’t used it. Wrongfully thought 
>>>>>>> that they are mutually exclusive but turns out they are actually 
>>>>>>> complementary: 
>>>>>>> https://twitter.com/fredbrancz/status/1405192828049838080?s=21
>>>>>>>
>>>>>>> We should probably do an investigation of the combination.
>>>>>>>
>>>>>>> On Thu 17. Jun 2021 at 18:26, Austin Cawley-Edwards <
>>>>>>> [email protected]> wrote:
>>>>>>>
>>>>>>>> Just saw this on the CNCF blog as well, seems like a promising 
>>>>>>>> library.
>>>>>>>>
>>>>>>>> Tangentially, have you heard of https://github.com/bufbuild/buf? 
>>>>>>>> It seems much nicer than compiling with shell scripts and protoc.
>>>>>>>>
>>>>>>>>
>>>>>>>>

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