launchpad-dev team mailing list archive

[Julian Edwards <julian.edwards@xxxxxxxxxxxxx>]

On Wednesday 29 September 2010 12:24:12 Jonathan Lange wrote:
> On Tue, Sep 28, 2010 at 9:29 PM, Robert Collins
> 
> <robertc@xxxxxxxxxxxxxxxxx> wrote:
> > One of the SPOF's we have at the moment is poppy: we have a single
> > instance of both the FTP and SFTP servers.
> > 
> > Are any code changes needed to support having two instances of both
> > (behind a load balancer, so clients won't know about them).
> > 
> > Or is it just creating one/two new configs in production and deploying
> > another copy running that config?
> > 
> > I am assuming, given that we run a separate SFTP and FTP process, that
> > there aren't any concurrency issues around the task being performed.
> 
> I don't know about Poppy per se, but there's nothing in its SSH server
> code preventing multiple instances that I know of.

There is an issue in both to do with file name creation races isn't there?