* Ralf Hildebrandt via dovecot <dovecot@dovecot.org>: > We're using dovecot (via LMTP) as a backup for all incoming mail. > > I upgraded from 2.3.6 to 2.3.7 on the 12th: > 2019-07-12 14:35:44 upgrade dovecot-imapd:amd64 2:2.3.6-2~bionic > 2:2.3.7-8~bionic > > and it seems that 2.3.7 is slower than 2.3.6 -- mail to the backup > IMAP box is suddenly taking quite some time to get delivered and is piling up > in the queue.
And alas, I had a look at the monitoring and found that disk IO has increase A LOT after the update: https://www.arschkrebs.de/images/dovecot-disk-io-increase.png I zoomed in and found that the sudden increace in IO coincides with the update to 2.3.7 (14:35): https://www.arschkrebs.de/images/dovecot-io-2.png -- Ralf Hildebrandt Geschäftsbereich IT | Abteilung Netzwerk Charité - Universitätsmedizin Berlin Campus Benjamin Franklin Hindenburgdamm 30 | D-12203 Berlin Tel. +49 30 450 570 155 | Fax: +49 30 450 570 962 ralf.hildebra...@charite.de | https://www.charite.de
