upgrade from cyrus imapd 2.3.11 to 2.4.9

Eric Luyten Eric.Luyten at vub.ac.be
Tue Jun 28 15:14:31 EDT 2011

On Fri, June 24, 2011 9:22 pm, Bron Gondwana wrote:
> On Fri, Jun 24, 2011 at 03:32:50PM -0300, Patrick Boutilier wrote:
>> I was planning to an upgrade from 2.3.16 to 2.4.9 by just shutting
>> down Cyrus, installing new binaries, and then starting Cyrus again. This
>> worked fine in limited testing (one account).
> 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 ?

Eric Luyten.

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