Re: IMAP "cache" ( was Re: [Evolution] Purging pop account caches (1.4.6))

[Not Zed <notzed ximian com>]

On Mon, 2005-06-20 at 14:25 -0500, Ron Johnson wrote:
> On Mon, 2005-06-20 at 13:33 +0800, Not Zed wrote:
> > On Sun, 2005-06-19 at 20:17 -0500, Ron Johnson wrote:
> > > On Mon, 2005-06-20 at 09:22 +1000, Ian Mortimer wrote:
> > > > Some people here are still using 1.4.6 and I notice that a few have
> > > > large pop account cache directories:
> > > >
> > > >    ~/evolution/mail/pop/whoever wherever com/cache
> > >
> > > $ du -c -s -h .evolution/mail/imap/me haggis/folders
> > > 250M    .evolution/mail/imap/me haggis/folders
> > > 250M    total
> >
> > Yes but imap isn't a cache, pop is!
>
> If it looks like a duck, walks like a duck, and acts like a duck...
>
> It's a header cache.
>
> $ du -a .evolution/mail/imap/me haggis/folders/INBOX | \
>        grep HEADER$ | wc -l
> 58305
>
> Do those 58K files need to sit there for all eternity?

Thats why IT ISN'T A CACHE.  A cache has a limit, things get removed
from it eventually.  Things NEVER get removed from the imap 'cache',
so ... it isn't a cache.  It is more of a server-copy.