Re: [Firebird-devel] RFC: Look-ahead disk space allocation and

[Leyne, S. <Se...@br...>]

Vlad,

> > Further, have you checked the operation of NBackup against your
> > proposal/private branch?  NBackup expects a proper DB page header
for
> > each database page.
>=20
>     Good point. NBackup must not read not allocated pages (at least at
the
> tail) - it is waste of time and disk space. Currently NBackup just
reads
> whole database file. I'll look what i can do with it. Simplest way is
to
> track inventory pages while reading db file and take care about bits
on a
> last PIP. To detect last used PIP we can introduce new page flag.

How about a new value in the database header, to note the last 'real' db
page?

That would seem better than having to look for a new page flag.


Sean