Daniel Magliola

> We are going to implement allowlist of controllers, others will be ignored. > Controller/action is the most used tags and this can also bring significantly amount of metrics. This...

Hello, thank you for reporting this. This sounds like it's very likely related to issue #143 Over time, too many files accumulate and that becomes an issue. We don't have...

See Lawrence's comment on file locking as a potential way of knowing which files are still owned by living processes. https://github.com/prometheus/client_ruby/issues/143#issuecomment-510068358 Valid warning from Brian that it may not work...

Hi @srodriguezOPT. Sorry for the late response to this... I'd like to understand this request better. Is this a method that sets a gauge to `Time.now.to_i` (as suggested by the...

@brian-brazil I'd like to understand better this concept of Custom Collectors... The way I understand this, you'd do this by basically subclassic either `Metric`, and implementing a `values` method that...

Could you expand a little bit on what that means, please?

So, historically... [This](https://github.com/prometheus/client_ruby/commit/85db51ea675cdcb4296c4fe45b6f52b9f5bd3bd7) I agree it'd be a good idea to try to re-add it, though.

Totally agreed, just thought I'd contribute how we got here

@grobie Reading that doc, I'm not sure I understand what this would be. How is this different from the `Registry` the client already supports? As for the performance improvement mentioned,...

Thank you for your explanation @nieltg ! I'd like to try to tackle this issue sooner than later, since it unblocks a bunch of other use cases, but i'd like...