How can this happen? I always thought, that, when in backup mode,
nothing is able to change the database - so the database files shouldn't
change. Can autovaccumdb cause the changes?
pg_start_backup() doesn't tell the database to stop writing changes to disk;
it essentially just says "
Hi!
We're using two backup strategies to get consistent backups of our
postgresql databases. First, we create a complete dump every night by
running pg_dump, zipping the file and writing this backup on tape.
Second, we create a basebackup every saturday. To create a basebackup,
we run pg_start
