On Thu, 2006-11-16 at 11:41 -0500, Joe Shaw wrote: > Hi, > > On Thu, 2006-11-16 at 16:13 +0100, Philip Van Hoof wrote: > > o. The CamelFolderSummary uses mmap. This significantly reduces memory > > usage because an mmap is on-demand paged. > > Does the on-disk format of the CamelFolderSummary change much or at all? > In reading a summary from disk with Beagle, the main problem we've found > is that it is entirely unsearchable, because records within the file are > of variable length and there is no end-of-record marker, which means > that you can't open the file, seek to some random location, and expect > to find where the next (or previous) message begins. This means that > any time the summary changes, we have to walk the whole thing over again > to see changes. > > There was some work a while back to do a "metasummary", which was > essentially a summary of the summary for easier searching, but I'm not > sure what the end result of that was, or if it's in 2.8 or newer. > Yes, "meta-summary" implementation is available from 2.8.x.
V. Varadhan _______________________________________________ Evolution-hackers mailing list [email protected] http://mail.gnome.org/mailman/listinfo/evolution-hackers
