How fast can you push changesets to your colleagues if you are using a client-server based SCM?

Mercurial (which is a distributed SCM), when changes are pushed over an NFS-shared filesystem, can push 24 changes, with 81 patches, affecting 54 files, in less than 0.3 sec:

    gker@freya ...

When using a distributed SCM, it is often very useful to be able to automatically sync a “reference” workspace with a remote, “parent” workspace. This way, even when offline, a local clone of the parent workspace is available.

Having a local clone of the “reference tree” is useful in many ...