For what i understand, the WAL files only record changes to the database, so
each WAL segment is absolutely different from the previous one. As a matter
of fact, each WAL file is the incremental backup you want to make (provided
you have already taken a base or level 0 backup).
On Monday 12 February 2007 13:42, pedro noticioso wrote:
> hi there
>
> I lightly read this
> http://www.postgresql.org/docs/8.1/static/backup-online.html
>
> and am interested in creating an incremental backup of
> WAL files, but my database is small so each of this
> WAL files must be almost identical to the previous
> one.
>
> Is there a way to incrementally backup so that it
> takes less space?
>
> thanks!
>
>
>
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