> From: Garrett Rooney [mailto:firstname.lastname@example.org]
> Sent: Wednesday, November 05, 2003 1:07 AM
> On Nov 4, 2003, at 10:01 AM, C. Michael Pilato wrote:
> > email@example.com writes:
> >> There are various proposed solutions in the issue. But for now, I'd
> >> like to talk just about solutions we can implement before 1.0 (i.e.,
> >> before Beta, i.e., before 0.33 :-) ). The two that seem most
> >> realistic are:
> >> 1. Prevent deltification on files over a certain size, but create
> >> some sort of out-of-band compression command -- something like
> >> 'svnadmin deltify/compress/whatever' that a sysadmin or cron job
> >> can run during non-peak hours to reclaim disk space.
I'd rather go for all or nothing. Not something based on file size.
> >> 2. Make svn_fs_merge() spawn a deltification thread (using APR
> >> threads) and return success immediately. If the thread fails to
> >> deltify, it's not the end of the world: we simply don't get the
> >> disk-space savings.
For 2. we'd need both a fork()ed and a threaded implementation, based
on availability advertised by APR at compile time.
> > 3. Never do deltification of any sort in the filesystem code, and
> > create an out-of-band compression command that can be run as a
> > post-commit hook.
> I really don't find the idea of having to run separate commands to get
> deltification very intuitive. If I was a new user, I would be shocked
> if deltas were not used by default. If anything, this should only be
> enabled for files over a certain size, so that everyone does not need
> to pay the price.
Well, I could go for this, but we'd need a default working post-commit
hook that does this, instead of just a template.
> > I say all this to promote the idea that it isn't too much to ask of a
> > repos administrator to run some out-of-process deltification routine
> > -- even per-commit -- because if they are truly concerned about disk
> > space, they'll already have some out-of-process log-file cleanup
> > process. And if you have a cronjob/post-commit hook to cleanup
> > logfiles, what's an extra line in that script to deltify?
> People already freak when they find out about the logfiles stuff. I
> don't like the idea of adding more administrative overhead if it can be
I think a working default post-commit hook, which does:
b) log cleanup
would be a fair solution.
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Received on Wed Nov 5 09:53:36 2003