Re: speed up a logical replica setup

On Thu, Nov 09, 2023 at 03:41:53PM +0100, Peter Eisentraut wrote:
> On 08.11.23 00:12, Michael Paquier wrote:
>> - Should the subdirectory pg_basebackup be renamed into something more
>> generic at this point? All these things are frontend tools that deal
>> in some way with the replication protocol to do their work. Say
>> a replication_tools?
>
> Seems like unnecessary churn. Nobody has complained about any of the other
> tools in there.

Not sure. We rename things across releases in the tree from time to
time, and here that's straight-forward.

>> - And if it would be better to refactor some of the code generic to
>> all these streaming tools to fe_utils. What makes streamutil.h a bit
>> less pluggable are all its extern variables to control the connection,
>> but perhaps that can be an advantage, as well, in some cases.
>
> Does anyone outside of pg_basebackup + existing friends + new friend need
> that? Seems like extra complications.

Actually, yes, I've used these utility routines in some past work, and
having the wrapper routines able to run the replication commands in
fe_utils would have been nicer than having to link to a source tree.
--
Michael