Am 22.07.2013 14:23, schrieb Robert Schetterer: > Am 22.07.2013 13:50, schrieb Ralf Hildebrandt: >> * Robert Schetterer <r...@sys4.de>: >>> Am 20.07.2013 20:30, schrieb Robert Schetterer: >>>> Hi Timo, i have reports from few users about lost performance with 2.17 >>>> maildir bigger mailboxes ( up to 2 GB ), i also use zlib plugin >>>> >>>> what about this patch.....,may not working as i should? >>>> >>>> http://hg.dovecot.org/dovecot-2.1/rev/9c23d1fb8969 >>>> >>>> Best Regards >>>> MfG Robert Schetterer >>>> >>> >>> >>> i checked this reverting to 2.1.15 (had only this pre compiled) >>> perfomance gets better with this, looks like the problem is getting more >>> worst with having bigger mailboxes and heavy use of subfolder trees >>> any idea? >> >> I wonder why this would matter. zlib is compressing EACH message >> individually, so the actual SIZE of the mailbox would not matter (the >> number of message would matter, though). >> >> Which operations are slow? Folder listing? Actually accessing messages? > > accessing , list messsages , copy, move delete operations > > it must not be zlib related, that was a guess > there are two other patches only maildir related might be a better guess > > http://hg.dovecot.org/dovecot-2.1/rev/7389ff729d2e > http://hg.dovecot.org/dovecot-2.1/rev/4c05b9447a10 > > other patches dont look related to me, however i use a lot of other > plugins which might also involved > > sorry not easy to measure , but performance here is def better with > 2.1.15 , same client setup, no special failures about that in debug logs > > > >> > > > > Best Regards > MfG Robert Schetterer >
back to 2.1.17 looks like rising values for /proc/sys/fs/inotify/max_user_instances helped however i got no warning in the logs so wait and and see for now Best Regards MfG Robert Schetterer -- [*] sys4 AG http://sys4.de, +49 (89) 30 90 46 64 Franziskanerstraße 15, 81669 München Sitz der Gesellschaft: München, Amtsgericht München: HRB 199263 Vorstand: Patrick Ben Koetter, Axel von der Ohe, Marc Schiffbauer Aufsichtsratsvorsitzender: Florian Kirstein
