Date: Wed, 14 May 2008 17:55:33 +0930 From: "Daniel O'Connor" <doconnor@gsoft.com.au> To: freebsd-hackers@freebsd.org Cc: Jeremy Lea <reg@freebsd.org>, Tim Kientzle <kientzle@freebsd.org>, Anders Nore <andenore@start.no> Subject: Re: Adding .db support to pkg_tools Message-ID: <200805141755.35892.doconnor@gsoft.com.au> In-Reply-To: <48291719.5010801@freebsd.org> References: <op.uavxx8ip2n4ijf@duckjen.nextgentel.no> <20080512204558.GA44114@flint.openpave.org> <48291719.5010801@freebsd.org>
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--nextPart3648637.0ilReWUd7Z Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Content-Disposition: inline On Tue, 13 May 2008, Tim Kientzle wrote: > > I think this is a really bad idea. The problem with the tools is > > not with the files. It is that the files need to be parsed on each > > run, often recursively, and your solution would not help at all. > > Parsing one file isn't expensive; parsing several hundred files > to find one bit of information is expensive. > > > The database(s) should just be a cache of the information stored in > > the files. > > Bingo! As long as the .db version can be easily recreated > from scratch from the master data stored in the same files > as always, it doesn't really matter if the BDB is occasionally > corrupted, as long as it can be rebuilt fairly quickly. So long as you can tell it is corrupted.. It's also a drag from a user POV when the tool crashes because the DB is=20 hosed (seen in portupgrade a number of times) =2D-=20 Daniel O'Connor software and network engineer for Genesis Software - http://www.gsoft.com.au "The nice thing about standards is that there are so many of them to choose from." -- Andrew Tanenbaum GPG Fingerprint - 5596 B766 97C0 0E94 4347 295E E593 DC20 7B3F CE8C --nextPart3648637.0ilReWUd7Z Content-Type: application/pgp-signature; name=signature.asc Content-Description: This is a digitally signed message part. -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.8 (FreeBSD) iD8DBQBIKqH/5ZPcIHs/zowRAicSAJ0bihPNmz3tKAJ7SYKOFoR9l6XQ6gCggK3/ DXBGeT+Dmxen4Gi/bHriK8Y= =QpYT -----END PGP SIGNATURE----- --nextPart3648637.0ilReWUd7Z--
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