Which version of Cyrus IMAPD

[Rob Siemborski]

--with-mboxlist-db=skiplist

-Rob

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

>
> Do I need to activate something during the compilation (configure) or is it
> per default enabled in 2.1.11 ?
>
> Regards
> Marc
>
>
>
> |--------+------------------------------------->
> |        |                                     |
> |        |          Rob Siemborski             |
> |        |          <rjs3 at andrew.cmu.edu>      |
> |        |          Sent by:                   |
> |        |          owner-info-cyrus at lists.andr|
> |        |          ew.cmu.edu                 |
> |        |                                     |
> |        |                                     |
> |        |          12/06/02 06:10 PM          |
> |        |                                     |
> |--------+------------------------------------->
>   >-----------------------------------------------------------------------------------------------------------|
>   |                                                                                                           |
>   |      To:     marc.bigler at day.com                                                                          |
>   |      cc:     info-cyrus at andrew.cmu.edu                                                                    |
>   |      Subject:     Re: Which version of Cyrus IMAPD                                                        |
>   >-----------------------------------------------------------------------------------------------------------|
>
>
>
>
> 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
> >
> >
> >
> >
> >
> >                     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
> >
> >
> >
> >
> >
> >
> >
>
> -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
> Rob Siemborski * Andrew Systems Group * Cyert Hall 207 * 412-268-7456
> Research Systems Programmer * /usr/contributed Gatekeeper
>
>
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>
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>

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