Tickets :: Comment on [#7789] too much IMAP traffic with IMP 4

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Comment	> I have IMP 3 and IMP 4 both running on the same server -- same > hardware, same operating system, same apache, same php. With IMP 3, > listing a mailbox takes less than 1 second. With IMP 4 it takes 5 > seconds. > > > > So, I used tcpdump to trace the IMAP traffic, and found IMP 4 is > doing far too much work. > > > > My test mailbox has about 1000 messages, IMP is configured to display > 100 per page. > > > > With this setup, IMP 3 does 6 IMAP FETCHes, IMP 4 does 305 IMAP > FETCHes. In addition, it looks like IMP 4 is fetching the same group > of messages (106:125) over and over again. > > > > IMP 3 IMAP Trace: > > > > LOGIN ... > > CAPABILITY > > SELECT bulk > > LSUB "" * > > LIST "" INBOX > > FETCH 1:20 (UID ENVELOPE BODY PEEK[HEADER.FIELDS (Newsgroups > Content-MD5 Content-Disposition Content-Language Content-Location > Followup-To References)] INTERNALDATE RFC822 SIZE FLAGS) > > FETCH 21:1299 (UID INTERNALDATE RFC822 SIZE FLAGS) > > SEARCH UNSEEN > > FETCH 21:40 ... > > FETCH 41,42:61 > > FETCH 62,63:82 > > FETCH 83,84:103 > > LOGOUT > > > > > > IMP 4 IMAP Trace: > > > > LOGIN ... > > CAPABILITY > > STATUS bulk ((MESSAGES.RECENT.UNSEEN.UIDNEXT.UIDVALIDITY) > > EXAMINE bulk > > UID FETCH 1 UID > > UID FETCH 2 UID > > UID FETCH 3 UID > > ... > > UID FETCH 98 UID > > UID FETCH 99 UID > > UID FETCH 100 UID > > FETCH.1,2:21.(ENVELOPE.BODY.PEEK[HEADER.FIELDS.(Newsgroups.Content-MD5.Content-Disposition.Content-Language.Content-Location.Followup-To.References)].INTERNALDATE.RFC822.SIZE.FLAGS) > > FETCH 22,23:42 ... > > FETCH 43,44:63 ... > > FETCH 64,65:84 ... > > FETCH 85,86:105 ... > > GETQUOTAROOT bulk > > FETCH 1,106:125 (BODYSTRUCTURE.FLAGS) > > FETCH 1 BODY PEEK[HEADER] > > FETCH 2,106:125 (BODYSTRUCTURE.FLAGS) > > FETCH 2 BODY PEEK[HEADER] > > FETCH 3,106:125 (BODYSTRUCTURE.FLAGS) > > FETCH 3 BODY PEEK[HEADER] > > ... > > FETCH 99,106:125 (BODYSTRUCTURE.FLAGS) > > FETCH 99 BODY PEEK[HEADER] > > FETCH 100,106:125 (BODYSTRUCTURE.FLAGS) > > FETCH 100 BODY PEEK[HEADER] > > LOGOUT > > > >
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