cyrus-imapd exporting databases failed on shutdown - deliver.db.skiplist 2048M

[Simon Matter]

> 2020. 06.  20, szombat keltezéssel 21.31-kor Simon Matter ezt írta:
>> Hi,
>>
>> The question is why is the deliver db > 2GB in skiplist format? Is it
>> normal or do you have a corrupt BDB db or does your db pruning not work
>> for deliverdb. I think that should be something like 'delprune
>> cmd="cyr_expire -D 7 -E 3 -X 7" at=0400' in cyrus.conf.
>>
>> I think the easiest way would be to make sure you have pruning
>> configured
>> correctly, then change config of deliver db to skiplist, and start
>> without
>> a db so a new, empty deliver db is created.
>>
>> Then have an eye on the db file to see if it grows again to almost 2GB.
>> If
>> it doesn't grow so much, you should be fine.
>>
>> Regards,
>> Simon
>
> Hi,
>
> Something definitely not seems fine:
>
> -bash-3.2$ /usr/lib/cyrus-imapd/cyr_expire -E 3 -D 7 -X 7 -v

Please make sure the options here are also valid for your cyrus version.
However, I also guess your deliver.db is corrupted somehow. From my own
experience skiplist dbs are easier to handle than bdb and using skiplist
only has not shown any issues.

Regards,
Simon

>
> expunged 0 out of 0 messages from 0 mailboxes
>
> The deliver.db still about 48MB.
>
> Tomorrow I will continue.
>
> Thanks,
> István
>