Aaron Abbott

@pirgeo if `mycounter` is function of its dimensions, shouldn't it always include all of those dimensions? If you sent the those metrics to a backend and queried grouping by `a`,...

~If I understand the spec correctly, the colliding stream values should be aggregated together like shown above. This seems really tricky and like a lot of work for an exporter...

We should probably not work on this since Prometheus is hopefully adding UTF8 support and we will no longer need sanitization

The simplest solution is to only support a single protobuf major version. Once the ecosystem has majority moved over to Protobuf 5, we can switch over to just supporting it....

> Right, but can't the runtime be updated even if the generated files are old? e.g. the google cloud tools like pubsub allow anything from `>=3.20.2` up to `

Thanks for the data point. It's been a few months now, I think we should just upgrade to protobuf 5. Let's try to get it in for the next release....

@ehiggs > Does this mean that otel would only upgrade when the next major version of the protobuf runtime is released? No, I'm trying to say let's fix this specific...

~A data point on usage before we move forward. I wasn't able to find PyPI stats that break down by package version.~ I was able to make the breakdown of...

Discussed in Python SIG. Given there are only a few utils, I think we might table this PR until we have more need for code sharing. It would be better...

Are you trying to access the counts programmatically or just monitor the queue? In the spirit of OTel, we should consider adding the metric instrumentation directly to the BatchSpanProcessor code.