* Maria Arrea <maria_ar...@gmx.com>: > Hello > > I have Red Hat Enterprise Linux 5, postfix 2.3.3 and dovecot 2.0.9. Mails > are delivered to dovecot by virtual_transport=dovecot and the mailbox_command > is /usr/libexec/dovecot/deliver. Everything works as expected. > > In dovecot I am testing enabling zlib compression to save some IOPs and disk > space. I use the software postal to generate mail load and send 30.000 > messages of 2 megabytes in 1 hour, always the same test, with compression > enabled & disabled. > > My first question is about logs. Without compression in dovecot I got log > lines like this: > > /Feb 4 14:10:13 buzon postfix/pipe[4018]: 4EA77C7775: to=<cor...@us.es>, > relay=dovecot, delay=1.6, delays=1.3/0.17/0/0.12, dsn=2.0.0, status=sent > (delivered via dovecot service)/ > > With compression enabled: > > Feb 3 17:48:25 buzon postfix/pipe[8263]: 2169CC7758: > to=<javierdemig...@us.es>, relay=dovecot, delay= *13*, delays= > *0.83/11/0/1.2*, dsn=2.0.0, status=sent (delivered via dovecot service)
The mail stays in the queue for a longer time. Probably because the dovecot transport is busy (qmgr is waiting for a delivery slot) -- 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 | http://www.charite.de
