On 10/20/06, Jared Hardy <jaredhardy@gmail.com> wrote:
> On 10/17/06, Mark <mark@mitsein.net> wrote:
> > as far as svnsync creating a 'read-only' mirror of the repository,
> > that is only the recommended setup :). svnsync stores the metadata
> > that it needs in the revprops for rev 0 on the target repository. In
> > a failover situation, just set the revprops on the new target
> > manually, and put the triggers in place on the new source.
>
> That's an interesting fail-over clustering option for Subversion
> repository commit access. One possibility I'm interested in, that this
> option brings to mind, would be a Subversion cluster proxy front-end,
> that just redirects requests to several back-end Subversion servers
> from any given client.
> At any point in time, the front-end would know the current active
> Commit server, but any read-only actions like Update or Checkout could
> just be directed to any available mirror, in a load-balancing fashion.
> The front-end servers could be fail-over clustered as well, to
> maximize availability. They could even serve as arbitrators to help
> determine the best current Commit server.
> Perhaps every user site could host their own front-end/proxy
> servers, and each front-end could factor latency into its load-balance
> choices, so available LAN mirrors would usually be chosen over remote
> mirrors for any read-only actions. Commit server responsibility could
> even be shifted on a schedule, based on predictable geographical usage
> pattern changes. Just imagine -- each developer site could have its
> own clustered mirror and front-end set (possibly in the same boxes),
> so all read-only operations would behave at LAN speed, where only
> Commits would depend on primary server WAN connection speeds. Each
> site could have the current Commit server moved closer to them during
> their peak commit times. That would be awesome!
>
> Does anyone know any current way to implement such a front-end?
>
> :) Jared
>
Good idea. I have devs across the globe accessing one SVN server in
Florida currently. Something like this would be nice. Sounds like
RAC for Subversion.
--
Mark
"Blessed is he who finds happiness in his own foolishness, for he will
always be happy."
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Received on Sat Oct 21 09:07:22 2006