Re: [Monotone-devel] slow update/status on NFS

[Ulf Ochsenfahrt]

Markus Schiltknecht wrote:
> Humpf... I've just added a 'path::status  cached_status;' to any_path, 
> with an additional which returns that or gets the status.
>
> The problem now is, that this routine needs to *write* the status into 
> any_path.cached_status, requiring that the any_path in question is not 
> const, but writable. That breaks a whole lot of any_path & const xy 
> routines. And I'm unsure if its good to remove all those consts.
>
>
> Another way to do it would be, implementing all that caching inside the 
> platform dependent 'get_path_status'. But on second thought, this isn't 
> that simple as well, because we don't know about the lifetime of the 
> underlying any_path class there.

In a long-lived monotone instance, caching may actually be dangerous. 
Maybe generalized status caching isn't such a good idea...

-- Ulf