Thanks. It's a valid thought on such trade-off. I do think we can still favor productivity without losing resolution, though, for the following two reasons:
1. A pull-based system can pull less when the system is overload, which means a pulled service needs to keep historical stats. For instance, the endpoint `/metric` needs to keep previous gauge values or the accumulated counters. That said, a push-based metric library can keep history too. Indeed, it is exactly what the micrometers library does.
2. Don't let the metric system overload. This sounds like a hyperbole, but it is what companies do in practice: telemetry system is so foundational and critical to an internet company that it should always run smoothly.
1. A pull-based system can pull less when the system is overload, which means a pulled service needs to keep historical stats. For instance, the endpoint `/metric` needs to keep previous gauge values or the accumulated counters. That said, a push-based metric library can keep history too. Indeed, it is exactly what the micrometers library does.
2. Don't let the metric system overload. This sounds like a hyperbole, but it is what companies do in practice: telemetry system is so foundational and critical to an internet company that it should always run smoothly.