On 04 May 2015, at 16:59, Nagy, Attila <b...@fsn.hu> wrote: > > Hi, > > On 05/04/15 10:59, Timo Sirainen wrote: >> On 28 Apr 2015, at 23:49, Nagy, Attila <b...@fsn.hu> wrote: >>> Hi, >>> >>> imapc does a lot of UID FETCH $UID (BODY.PEEK[]), which is nice, because it >>> works even with the dumbest IMAP server, altough it really kills >>> performance, especially on high latency lines. >>> >>> I wonder: if IMAP servers can effectively handle boundless fetches (like a >>> list with all wanted UIDs, or simply 1:* if all are needed), do you see >>> this as a good addition to develop? >> Set mail_prefetch_count = 10 or 100 or something and it'll do larger >> FETCHes. The higher the value, the more memory/disk space is used for >> storing the received mails. >> > I'm aware of that, but it doesn't, or at least not always. > For example Thunderbird issues this: > 13 UID fetch 333574:333601,333630:333801 (UID RFC822.SIZE FLAGS > BODY.PEEK[HEADER.FIELDS (From To Cc Bcc Subject Date Message-ID Priority > X-Priority References Newsgroups In-Reply-To Content-Type Reply-To)]) > Dovecot does this to the IMAP backend > 18 UID FETCH 333574 (BODY.PEEK[])
Oh, there were several bugs related to that. Fixed: http://hg.dovecot.org/dovecot-2.2/rev/8f20aa806bcc http://hg.dovecot.org/dovecot-2.2/rev/d350a23207c2 http://hg.dovecot.org/dovecot-2.2/rev/8c49fb6d789b