PostgreSQL Documentation - Re: [HACKERS] Online backup vs Continuous backup

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Re: [HACKERS] Online backup vs Continuous backup

Andrew Dunstan

2005-12-27, 8:24 pm

Greg Stark said:

> Bruce Momjian <pgman@candle.pha.pa.us> writes:
>
>
> Well fwiw what pg_dump does isn't even considered a "backup" at all in
> other systems. It's a "logical export" or something of that sort.
>
> It's not considered a "backup" because it's saving something different
> than the actual physical database. When you restore you get something
> (hopefully) logically equivalent but still physically different.

This seems fairly arbitrary. On that basis anything on a higher level than
dd is not a backup method, ISTM.

cheers

andrew

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