Re: Replicating an existing (huge) database

You can set up wal archiving and set restore_command before you start the
replica. Then you can use pg_basebackup with `-Xnone --no-slot`.
Alternatively or in combination, use a quicker backup as Laurenz explained.

On Mon, Nov 28, 2022 at 11:17 AM Srinivasa T N <seenutn(at)gmail(dot)com> wrote:

> Hi All,
> I am using postgresql 12. As part of streaming replication setup, I
> run pg_basebackup on the slave which copies the database from master to
> slave. But the database is huge and it takes around 2 to 3 days for the
> pg_basebackup to finish. When pg_basebackup is running, a huge number of
> wal files are generated on the master which occupies a lot of space (even
> though it is for 2-3 days, disk space is low). Is there any other way to
> start replication without using pg_baseback?
>
> Regards,
> Seenu.
>