Xuanwo
> Can you describe the requirements in detail? `PrometheusLayer` should be exactly the same with `MetricsLayer`, the only difference is all metrics are sent via promethues handler. > I saw...
Thanks for @wcy-fdu 's work, this issue has been implemented.
It should be very interesting to bench all OpenDAL's kv service. 🤣
Hi, https://github.com/apache/incubator-opendal/pull/2222 has been added, we can restart `leapfrog` support now.
cc @truc0, you can take `moka` as a reference to get started!
After recheck of the leapfrog's doc. Both leapfrog's key and value must be `Copy` which is impossible for OpenDAL. So we can't implement leapfrog support for OpenDAL. This issue is...
Reference: https://joshua-robinson.medium.com/listing-67-billion-objects-in-1-bucket-806e4895130f 
Now we have scan, we can take this issue into consider now.
> Will this way of concurrent listing ignore non-ASCII keys? Like `烫烫烫-20230618.log` Yes, concurrent list should not be applied in this case.
This is not a big issue now. Let's close until we have user request.