cyr_expire, deliver.db and other curiosities

[Sven Juergensen (KielNET)]

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Hi list,

I could use an overview of how
cyr_expire and the entry
~ delprune        cmd="/usr/sbin/cyr_expire -E 3"
in the cyrus.conf within the START
section works.

Background is, that for some
reason, every now and then cyrus
decides that it is a good idea
to resign and stop responding
on the pop3/imap4 ports.

This can be remedied by restarting
cyrus in it's entirety but when
doing this after a couple of months
uptime, the cyr_expire kicks in and
it takes >30 minutes to get it back
to work:

- ---8<---
Jan 30 06:44:46 srv1 cyrus/master[32247]: about to exec /usr/sbin/cyr_expire
Jan 30 06:44:48 srv1 cyrus/cyr_expire[32247]: duplicate_prune: pruning
back 3 days
Jan 30 06:44:48 srv1 cyrus/cyr_expire[32247]: mydelete: starting txn
2147483650
Jan 30 06:44:48 srv1 cyrus/cyr_expire[32247]: mydelete: committing txn
2147483650
[entries omitted]
Jan 30 06:58:31 srv1 cyrus/cyr_expire[32247]: duplicate_prune: purged
717903 out of 817184 entries
Jan 30 06:58:31 srv1 cyrus/cyr_expire[32247]: expunged 0 out of 0
messages from 0 mailboxes
- --->8---

Would it make sense to enter the
above cyr_deliver command from the
START section into the EVENT section
or does this make things worse?

All this is just combatting the
symptoms, not the reason. If anyone
has an idea about what causes this,
sizing of the hardware, underlying
filesystem or harddisk technology,
I'd be thankful for some pointers.

The server itself has to deal with
about 20k inboxes.

Thanks and best regards,

sven03

Mit freundlichen Gruessen

i. A. Sven Juergensen

- --
Fachbereich
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Telefon : 0431 / 2219-053
Telefax : 0431 / 2219-005
E-Mail  : s.juergensen at kielnet.de
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