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Re: locking a file renders repos unusable with older clients

From: Ben Collins-Sussman <sussman_at_collab.net>
Date: 2005-03-30 17:25:16 CEST

On Mar 30, 2005, at 9:14 AM, Tobias Ringström wrote:

> Mark Benedetto King wrote:
>> In practice (and probabilistically), writers eventually get the
>> lock.
> Of course you'll *eventually* get the lock. :-)
> I'm just trying to suggest a less intrusive upgrade. If we can perform
> the upgrade without the exclusive repository lock, and it's not harder
> to implement, why not be nice to our users with lots of busy
> repositories and do it?

Tobias, I think that in this particular case, you're right -- we don't
need an exclusive repository lock to create a couple of tables and bump
the format number. But we're anticipating that future "svnadmin
upgrade" processes in future releases might need to do so; there may
be schema changes that don't require dump/load, but still are dangerous
enough to warrant exclusive access.

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Received on Wed Mar 30 17:28:48 2005

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