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Re: Experience with FSFS repository

From: Alan Knowles <alan_at_akbkhome.com>
Date: 2004-09-18 04:54:32 CEST

I had repeated wedging over a year, installed a brand new server, all
with debian packages (from what I remember), and the wedging continued
(after a week or so) on the fresh install.

The only possible reasons for the wedging that I could think of.
- issue with prebuilt packages (apr/bdb/subversion etc.) being slightly
incompatible, maybe they where compiled with different gcc/version/flags
- poor fault recovery in bdb? - If something goes foobar in fsfs, it is
usually a very simple filesystem call failure, (where as there are
potentially mulitple points of failure in bdb)
- disk getting full (on old server) - causing all sorts of havoc..

It may be that some minor issue in the setup I have caused bdb wedging
(like the copy on commit scripts), but the design of fsfs, appears to be
alot more fault tolerant the bdb.


Patrick Dean Rusk wrote:

>"Martin Tomes" <lists@tomes.org> wrote...
>>We use BDB and it has *never* got wedged and there is little reason why it
>should if you set up the
>>server correctly.
>That has been our experience as well.
>It would be helpful if people like Scott who talk Subversion wedging their
>repositories a lot in the past would make it clear what version of
>Subversion they were using. My impression is that there is a lot less
>wedging going on now than before 1.0. We're up to 1200 revisions without
>having had a wedge or a single dangling transaction (the kind you see with
>"svnadmin lstxns").
>On the other hand, I'm not surprised at problems arising when people convert
>large VSS or CVS repositories to SVN. It's always struck me as a fool's
>errand to do so, but I guess it's important to some people to not have to go
>to another tool to see history on a file.
>Patrick Rusk
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Received on Sat Sep 18 04:54:02 2004

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