Paul Loyd

Now they're called in the sender's scope. Can degrade performance, need to run benchmarks.

It can be useful to make bold changes in timestamps between lines.

Actors can use `tokio::select`, but the `elfo_message_handling_time_seconds` metric isn't calculated correctly, which breaks the calculation of utilization. Maybe we need another way to calculate utilization?

Status changes should be dumped.

* Custom eyre's handler that captures backtrace at the moment of error. * Remove all frames starting at the `exec` function to provide short traces. * Print `error.stack = [...]`...

Sometimes it's useful to produce ticks within some area around the configured period. For instance, when a lot of actors inside a group have the same period to do something...

https://docs.rs/tokio/latest/tokio/time/enum.MissedTickBehavior.html