DBERROR: skiplist recovery errors

Alessandro Oliveira alessandro.o at nunoferreira.com.br
Fri Dec 13 06:01:22 EST 2002

So... is the berkley db3 more reliable then skiplist ?
is it slower than skiplist ?

Lawrence Greenfield wrote:

>   Date: Wed, 11 Dec 2002 10:46:45 -0200
>   From: Alessandro Oliveira <alessandro.o at nunoferreira.com.br>
>   ....
>   Dec  9 09:12:35 intra03 imapd[30212]: DBERROR: skiplist recovery: 0958 
>   should be ADD or DELETE
>   Dec  9 09:12:35 intra03 imapd[30212]: DBERROR: opening 
>   /var/lib/imap/user/n/natacha.seen: cyrusdb error
>   Dec  9 09:12:35 intra03 imapd[30212]: Could not open seen state for 
>   natacha (System I/O error)
>   ....
>   I can't figure it out whats going on here, do you have any clues ?
>Any error like this is either the result of a bug in the skiplist
>implementation (likely) or a bug in the write ordering of the
>underlying OS (which assumes you've actually had a _crash_, not an
>orderly reboot).
>We've seen this once or twice on our seen state. I've reviewed the
>skiplist code and haven't found any good reason for it. I haven't come
>up with a nice way of gathering more information to debug.
Best Regards,

Alessandro Oliveira
Nuno Ferreira Cargas Internacionais Ltda.
Phone: +55-11-3241-2000
Fax  : +55-11-3242-9891

It's trivial to make fun of Microsoft products, but it takes a real 
man to make them work, and a god to make them do anything useful.

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