cyrus-imapd 2.2 db3 or db4?

Igor Brezac igor at
Mon May 12 12:56:05 EDT 2003

On Fri, 9 May 2003, Lawrence Greenfield wrote:

>    Date: Wed, 7 May 2003 15:04:16 -0400 (EDT)
>    From: Igor Brezac <igor at>
> [...]
>    What sleepycat db version do you use?  Something is broken with the 4.1.25
>    version on busy sites.  It works fine on small installations.  I can tweak
>    db env (via DB_CONFIG), but eventually it runs out of resources and
>    duplicate suppression stops working.  What is the drawback of turning
>    duplicate suppression off besides diskspace?  My logs show less then .01%
>    duplicate messages.  Furthermore, chechpoint of a large duplicate.db
>    (50MB) takes over 10 minutes on my system and high cpu utilization.
> We currently use db 4.0.14. I don't think we've tested any 4.1.x
> versions.
> I haven't noticed any problems with our checkpointing times; I see a
> ~230 meg deliver.db file on one machine.

Can you share the contents of DB_CONFIG if you use one?


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