On 04 May 2015, at 18:45, Timo Sirainen <t...@iki.fi> wrote: > > 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
Also if you want imapc to use the full set of features with latest Dovecot, use: imapc_features=rfc822.size fetch-headers search After that it shouldn't be fetching BODY.PEEK[] anymore unless the body was actually wanted to be fetched.
