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Re: The Deltify Recovey Myth

From: Dominic Anello <danello_at_danky.com>
Date: 2005-01-18 23:14:50 CET

On 2005-01-18 15:55:00 -0500, Peter Kahn wrote:
> I am told that deltify will do no good interms of making recoveries
> faster. Let say, I am a stuborn person and unwilling to believe this
> regardless of the evidence. I'm an SVN flat-earther of sorts.
>
> Is there any harm to running deltify -r HEAD each night?

There is no harm, because AFAIK svnadmin deltify has been redundant
since before 1.0 came out. SVN performs deltify automatically when you
commit.

Also when manual deltify *was* necessary, you couldn't just deltify HEAD
at the end of the day. You had to individually deltify every new rev,
usually in a post-commit hook. Something like:
svnadmin deltify -r $2 $1 &>/dev/null &

You could also keep track of the last rev deltified and do something
like the following in a cron script:
svnadmin deltify -r $last_deltify:HEAD $repo_path

Hope this helps...

-Dominic

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Received on Tue Jan 18 23:14:14 2005

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