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Re: [PATCH] FSFS speedup (was: Re: Making blame even faster)

From: Daniel Berlin <dberlin_at_dberlin.org>
Date: 2005-02-23 02:24:01 CET

On Mon, 2005-02-21 at 23:03 -0500, Greg Hudson wrote:
> On Mon, 2005-02-21 at 20:37, Daniel Berlin wrote:
> > ChangeLog is > SVN_DELTA_WINDOW_SIZE when deltified, and you only
> > auto-expand the first window
>
> That doesn't agree with my reading of Peter's change. It looks like he
> auto-expands all windows of the last rep.
>
> (Something is obviously wrong, but I'm not convinced this is it.)

Fair enough.
I've put the repo in question (it's about 1/8th the total revisions of
our changelog) at http://www.toolchain.org/~dberlin/repo.dump.bz2

It's 1.9 meg compressed, 8 meg uncompressed dump file, and 55 meg in
repo form (in both bdb and fsfs. The FSFS is about 50% revprops space in
the case of changelog, of course)

svn blame on the bdb repo doesn't show any copy_source_ops activity.
svn blame on the fsfs repo does.
So something is up, not sure what.

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Received on Wed Feb 23 02:27:36 2005

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