----- Original Message -----
From: "hvlad@... [firebird-support]"
<firebird-support@yahoogroups.com>
To: <firebird-support@yahoogroups.com>
Sent: Wednesday, September 21, 2016 6:00 AM
Subject: [firebird-support] Re: Nbackup restored database size is 50 Mega
shorter than original DB


>> ---In firebird-support@yahoogroups.com, <fabianch@...> wrote :
> >
> > We noticed the results of restoring with NBackup a 7 Gb database is 50
>> megabytes shorter in size than the original DB. Is this a problem? Or it
>> does not matter? Both Db are equal?
>
> Engine expands database file by relatively big chunks, in advance,
> therefore some pages at the
> tail of the database file could be never used at backup moment. nbackup
> doesn't include such
> pages into backup file.
>
> If you want to be sure, run gfix -v on restored database.
>
> Regards,
> Vlad
>
>
>