Bug 158949 - IMAP checking uses too much CPU
Summary: IMAP checking uses too much CPU
Status: RESOLVED UNMAINTAINED
Alias: None
Product: kmail
Classification: Applications
Component: IMAP (show other bugs)
Version: 1.9.8
Platform: FreeBSD Ports FreeBSD
: NOR normal
Target Milestone: ---
Assignee: kdepim bugs
URL:
Keywords: triaged
Depends on:
Blocks:
 
Reported: 2008-03-08 06:07 UTC by Daniel O'Connor
Modified: 2018-09-04 18:23 UTC (History)
3 users (show)

See Also:
Latest Commit:
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Description Daniel O'Connor 2008-03-08 06:07:07 UTC
Version:            (using KDE 3.5.8)
Installed from:    FreeBSD Ports
Compiler:          gcc version 4.2.1 20070719  [FreeBSD]
 
OS:                FreeBSD

kmail (standalone and in kontact) uses a lot of CPU (eg 40% of my Pentium-M 1.4GHz) when checking email. I find this pretty surprising because I would have thought it would be a bandwidth limited task.

I don't really know what I can try to work out what it's spending it's time doing though :(
Comment 1 FiNeX 2008-03-08 11:29:55 UTC
Are you using some antispam software such spamassassin?
Comment 2 Daniel O'Connor 2008-03-08 12:31:38 UTC
Nope, just checking an IMAP account (disconnected mode).

I do have a reasonable amount of mail - 5000 messages max in a given folder, 160k messages total, 180 mailboxes, but it doesn't appear to be related to mailbox size.

Comment 3 Thomas McGuire 2008-03-13 19:04:54 UTC
Could be the same as in bug 115331. Try the workaround in comment 8 there.
Comment 4 Daniel O'Connor 2008-03-17 04:13:12 UTC
Makes no difference unfortunately :(
Comment 5 Michael Leupold 2009-04-04 10:12:00 UTC
I can't reproduce this bug using trunk r948809. However if this is related to mailbox size I can't check it because I currently don't have any imap folder that big.

Can you still see the CPU usage going up on a recent release (eg. KDE 4.2.x)?
Comment 6 Björn Ruberg 2010-01-15 01:28:14 UTC
Waiting for an answer
Comment 7 Andrew Crouthamel 2018-09-04 18:23:55 UTC
Hello! Sorry to be the bearer of bad news, but this version of Kmail has been unmaintained for many years so I am closing this bug. Please try using the latest version of Kmail to see if your issue persists. If it does, please submit a new bug in "kmail2". Thank you!