Re: PITR - "Rewind to snapshot" scheme

"Martin Langhoff" <martin.langhoff@gmail.com> writes:
> I have been following and experimenting a bit with PITR for a while,
> and I wonder whether it is practical to use the PITR hooks to roll
> back the database to a known state. The scenario is that I am
> developing a script that will be massaging data in a medium size
> database. A pg_restore of the pristine data takes ~35 minutes to
> complete, if I can take a snapshot right after pg_restore, and use it
> to later "rewind" to that point, I'll save 35 minutes every time I
> need to test it.

Seems overly complicated --- why don't you just shut down the postmaster
and take a tarball archive of the PGDATA tree?  Then to revert, stop
postmaster and untar.

            regards, tom lane