notes/plan for hpss performance work

[Andrew Bennetts]

John Arbash Meinel wrote:
[...]
> As for 'put last revision file' taking 3s, is it trying to do it atomically from
> the client, thus having a put to a temp name, and then rename into place? Or is
> the bzr:// 'put' api smart enough to have the server do all of that work?

It's a single smart call.  I've seen it with the smart verb 'put' and with
'append' in those experiments (but only those).

-Andrew.