On Mon, 2025-12-15 at 07:25 +0000, kasem adel wrote:
> Thanks for your support We have physical replication connection with Postgres node standby
> and have another replication slot with logical replication with another node and every day
> after run pg_basebackup we face huge number of file created and size per every hour is 23GB
> and in normal size is 0.8 GB and in logical replication we see in logs it’s in same
> checkpoint but baseline change and we run pg_basebackup with -X fetch -C fast.
pg_basebackup does not increase the WAL volume, except by the full-page images that get
written after any checkpoint. So you'd need to find an explanation for that.
"-X fetch" is not a good choice. Use "-X stream".
Anyway, you didn't answer all my questions.
Yours,
Laurenz Albe
