Which version of Cyrus IMAPD

Rob Siemborski rjs3 at andrew.cmu.edu
Fri Dec 6 12:10:25 EST 2002


Its an improved database backend that is optimized for enumeration, which
happens a lot with the mailbox list.

Berkeley DB is not optimized for enumeration, and while flat can give you
fast enumeration, it is tremendously slow to update.

-Rob

On Fri, 6 Dec 2002 marc.bigler at day.com wrote:

>
> What does exactly that skiplist feature do ?
>
> Regards
> Marc
>
>
>
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>
>                     Rob Siemborski       To:     marc.bigler at day.com
>                     <rjs3 at andrew.c       cc:     info-cyrus at andrew.cmu.edu
>                     mu.edu>              Subject:     Re: Which version of Cyrus IMAPD
>
>                     12/06/02 05:05
>                     PM
>
>
>
>
>
>
> On Fri, 6 Dec 2002 marc.bigler at day.com wrote:
>
> > For a production mail server, which version of Cyrus IMAPD should I use ?
> > Version 2.0.17 or version 2.1.11 ? And what are the differences really
> > between those two latest versions ?
>
> 2.0.17 is only intended for sites which are upgrading from previous 2.0
> versions and are unable to make the upgrade to 2.1.x for whatever reason.
>
> I strongly recommend you use 2.1.11 if you're starting a new system.  It
> has fairly substantial performance benefits over 2.0 (especially if you
> are using the skiplist database backend for your mailbox list).
>
> -Rob
>
> -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
> Rob Siemborski * Andrew Systems Group * Cyert Hall 207 * 412-268-7456
> Research Systems Programmer * /usr/contributed Gatekeeper
>
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>

-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
Rob Siemborski * Andrew Systems Group * Cyert Hall 207 * 412-268-7456
Research Systems Programmer * /usr/contributed Gatekeeper





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