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Re: Deltification (WAS: Re: Subversion 0.33.0 released).

From: <kfogel_at_collab.net>
Date: 2003-11-17 22:01:12 CET

Ryan Hunt <rhunt@hp.com> writes:
> The subsequent checkin took 160 min, and after removing the unused log
> files the repository had grown by 1GB to 6GB indicating to me that the
> entire 1GB file had been added to the repository rather than the Delta.
>
> This is significant as I was using 0.29 not 0.33.
>
> So the question is, on large binaries is deltification being
> implemented correctly at all?

That depends on what you mean by "correctly". The entire 1GB will be
(temporarily) in the repository, so BDB's on-disk storage will grow by
that much. But that space will get reused by future commits, so over
time this works out to a decent behavior. 0.33.* will behave the same
as 0.29 in this respect (if you turn on deltification at all).

> Though one serious issue I have is that no matter what I can't seem to
> get more than 30MB per minute through put...

Your tests are almost certainly running into

   http://subversion.tigris.org/issues/show_bug.cgi?id=1582

-Karl

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Received on Mon Nov 17 22:44:52 2003

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