Kim, JinSan

I would like to take this one.

Interesting!! Logically, I thought `put` might be faster than `cursor.insert` because `cursor.insert` has to conduct same thing with `put` and then addtionally it should update the current position to the...

> I thought put might be faster than cursor.insert because cursor.insert has to conduct same thing with put and then addtionally it should update the current position to the new...

extract from `mdbx` doc: > A single transaction can open multiple databases. Generally databases should only be opened once, by the first transaction in the process. ref: https://erthink.github.io/libmdbx/usage.html, `Getting started`...

I have same error. The error happens with nodejs v20 and ubuntu 22.04. With nodejs v20 and mac, there is no error. :(

@TheRebo Please could you share the environment?

Even though this repo might be not used in the future, I'd like to discuss why `mtx` is needed for `prefixdb` and whether it's possible to remove it. Please could...

AFAIK, the all db implementation should be concurrency safe. The description also shows it. https://github.com/tendermint/tm-db/blob/53ed3dbaa3eb4c7693ca0aaa2deff093e4675b24/types.go#L16

@ilovers https://github.com/line/tm-db/pull/20