Guillaume Lelarge wrote:
> Ivan Voras a écrit :
>> It looks like PostgreSQL freezes the state of the "data" directory in
>> this case (and new data goes only to the transaction log - pg_xlog),
>> which effectively creates an application-level snapshot. Good to know.
>
> Nope. Even files in data directory change. That's why the documentation
> warns against tools that emit errors for files that change during the copy.
Ok, thanks. This is a bit off-topic, but if it's not how I imagine it,
then how is it implemented?
