deliver.db conversion to skiplist

[Rafael Alcalde]

Use db_recover....

Shelley Waltz wrote:
> I have read many threads regarding issues with deliver.db being in Berkeley
> DB format.  I am running cyrus-imapd-2.2.3-4 on Redhat AS3.  I have not
> had any issues with deliver.db until last week.  I have about 200 accounts
> with
> most at 250MB, some at 500MB and a few at 1GB.
>
> The issue started with messages as ...
>
> relay=/var/lib/imap/socket/lmtp[/var/lib/imap/socket/lmtp], delay=40033,
> status=deferred (conversation with
> /var/lib/imap/socket/lmtp[/var/lib/imap/socket/lmtp] timed out while
> sending end of data -- message may be sent more than once)
>
> Aug 24 10:50:33 chipmunk lmtpunix[18926]: DBERROR db4: 1382 lockers
> Aug 24 10:50:33 chipmunk lmtpunix[18963]: executed
> Aug 24 10:50:33 chipmunk lmtpunix[18963]: DBERROR: opening
> /var/lib/imap/deliver.db: Cannot allocate memory
> Aug 24 10:50:33 chipmunk lmtpunix[18963]: DBERROR: opening
> /var/lib/imap/deliver.db: cyrusdb error
> Aug 24 10:50:33 chipmunk lmtpunix[18963]: FATAL: lmtpd: unable to init
> duplicate delivery database
>
>
> A reboot did not fix the problem, but after I reconstructed the mailboxes
> from a flatfile - it took 6 hours and then restarted everything, the issue
> with lmtp refusing connections still existed.  Oddly, the issue corrected
> itself about a hour later?
>
> I've read that stopping the server and simply removing the deliver.db and
> tls_connections.db (in Berkeley format) and then restarting will result in
> no harm.  I also read that concverting a large Berkeley deliver.db(mine is
> 26MB) could take a long time ad result in a skiplist file of huge
> proportions.
>
> My question is - should I convert the deliver.db to skiplist?  If I simply
> move it elsewhere and change the imapd.conf to use a deliver.db in skiplist
> and restart, what is lost?  Surely this huge db contains information
> necessary and useful to the message system?
>
> Any illumination on this is appreciated.
>
> S.Waltz
>
>
> { Shelley Waltz;
>   Center for Advanced Biotechnology and Medicine;
>   Rutgers University/UMDNJ;
>   679 Hoes Lane;
>   Piscataway, NJ 08854;
>   732 235 3346 }
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