[p4] Mirroring servers
robert at vaccaperna.co.uk
Tue Oct 18 03:43:46 PDT 2005
One option might be
This helps replicate a tree from one server to another. You could use this
to replicate both ways, which would leave you with the local merging (which
you will have in any case).
An alternative would be a nightly script to create a remote depot, integrate
locally and delete the remote depot (to avoid performance overheads). Just
run one of these at each site and do the same local merging afterwards.
You can't get away from having 2 branches - with each site being the master
of one (same for ClearCase multi-site which a lot of people don't seem to
From: perforce-user-bounces at perforce.com
[mailto:perforce-user-bounces at perforce.com] On Behalf Of Whitfield, Greg
Sent: 16 October 2005 19:48
To: perforce-user at perforce.com
Subject: [p4] Mirroring servers
Has anyone any experience in trying to get an effective system for mirroring
code lines in two separate Perforce servers?
In my case I have a remote set of users who develop their own code as an
extension to code at the central server. There is a need to integrate this
code back into the main product periodically (although not frequently), and
this may include changes to the original code in addition to new modules
supplied by the remote site.
Currently this is being done using a proxy server. But because of the
geographical separation of sites, network latency causes a real performance
problem in day to day usage of Perforce for the large user base on the
remote site. I.e. even though the proxy does a good job of caching the
files, all operations in P4Win/P4V still require a roundtrip to the central
A secondary issue is that if the network link is down, the remote site's
Perforce access is effectively blocked.
Remote depots have been suggested, where the remote site mounts the original
source, and branches locally from that. While that cures the performance and
link liabilities, the downside there is that this is a one way link - the
changes from the remote site cannot be integrated back to the central
So has anyone any ideas, guidelines or gotchas on mechanisms to support
parallel development of a code line across two servers, with integrations
flowing both ways?
Any thoughts much appreciated.
Criterion Software Ltd
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