On Tue, Jun 28, 2011 at 09:14:31PM +0200, Eric Luyten wrote: > > The only issue is that every first mailbox access causes an in-place > > upgrade which requires a full scan of every email, so it can hurt pretty bad > > for IO. > > Is the required server effort, I/O- and CPU-wise, comparable to a > 'reconstruct' on the folder being opened, as written on this list, > same thread ? It's comparable to a reconstruct -G, rather than a regular reconstruct. The difference being that regular reconstruct doesn't re-parse all the message files, it only stats them to check size (unless you pass -s, in which case it doesn't even stat - just does a readdir to check for existance) Bron. ---- Cyrus Home Page: http://www.cyrusimap.org/ List Archives/Info: http://lists.andrew.cmu.edu/pipermail/info-cyrus/