upgrade from cyrus imapd 2.3.11 to 2.4.9
brong at fastmail.fm
Wed Jun 29 02:07:34 EDT 2011
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
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