Re: Cache and Store

On Friday 11 May 2007 08:24, Bob Ham wrote:
> On Thu, 2007-05-10 at 22:20 +0100, Matthew Toseland wrote:
> > On Thursday 10 May 2007 21:38, Bob Ham wrote:
> > > On Thu, 2007-05-10 at 00:36 +0100, Matthew Toseland wrote:
> > > > On Wednesday 09 May 2007 20:28, Bob Ham wrote:
> > > > > That was what I proposed near the start of this thread.  I would
> > > > > note, as well, that the store-shrinking code should already exist
> > > > > for cases when the user reduces the configured size of the store.
> > > >
> > > > It does, but as I have already stated at least once, it is difficult
> > > > to efficiently do an online shrink while preserving the most recently
> > > > used data.
> > > >
> > > > It is of course possible. One way to do it is to swap the key you'd
> > > > be deleting with the least recently used key just before truncating.
> > >
> > > What's your point?
> >
> > Obviously the latter is preferred but we can only do it on startup.
>
> I'm still unsure as to why you're telling us this.  Is your point that
> work still needs to be done on store shrinking?

No, it's that dynamically shrinking the cache as the store grows isn't 
feasible without additional work on shrinking.

_______________________________________________
Tech mailing list
[email protected]
http://emu.freenetproject.org/cgi-bin/mailman/listinfo/tech

-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.6 (GNU/Linux)

iD8DBQBGSf41A9rUluQ9pFARAnmBAJ4/ADaOM2M1yVg/oszdndOUUU+PFwCfRvY6
SKSxqcObUSBZA9eeQH4WzAE=
=sYzL
-----END PGP SIGNATURE-----