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Re: fs dump/restore proposal

From: Mark Benedetto King <bking_at_answerfriend.com>
Date: 2002-04-24 01:03:33 CEST

On Tue, Apr 23, 2002 at 04:43:08PM -0500, Ben Collins-Sussman wrote:
>
> For this reason, we're thinking some kind of simple binary format.

I agree.

Is it worth trying to add some amount of metadata to the
format in an effort to provide for forward-compatibility?

>
> * should we bother to implement 'diffy' storage of texts in our
> format? My instinct is "no". Dumping and restoring a filesystem
> is a rare operation, so we don't need to be so paranoid about disk
> space usage. It would be extra work to implement diffy-storage,
> and imports would probably be safer (and faster) if we had nothing
> but fulltexts in our dump.

It seems to me that a dump could, then, be O(N^2)-space with
respect to repository size. That strikes me as bad, since
(10MB)^2==100TB.

--ben

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Received on Wed Apr 24 00:07:12 2002

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