[Akonadi] [Bug 338571] Performance Regression: Folder synchronisation in Akonadi 16.08 (actually in any release, starting with KDE 4.14) very slow, compared to kMail from KDE 4.13.x

https://bugs.kde.org/show_bug.cgi?id=338571 Jerôme Pouiller changed: What|Removed |Added CC||jerome.pouil...@gmail.com -- You are

[Akonadi] [Bug 338571] Performance Regression: Folder synchronisation in Akonadi 16.08 (actually in any release, starting with KDE 4.14) very slow, compared to kMail from KDE 4.13.x

https://bugs.kde.org/show_bug.cgi?id=338571 --- Comment #55 from Tore Anderson --- > In my experience Akonadi based KMail with IMAP never really worked Assuming KMail wasn't always «Akonadi based», I would agree with this. I used to be a happy KMail user years ago, then I upgraded my distro

[Akonadi] [Bug 338571] Performance Regression: Folder synchronisation in Akonadi 16.08 (actually in any release, starting with KDE 4.14) very slow, compared to kMail from KDE 4.13.x

https://bugs.kde.org/show_bug.cgi?id=338571 --- Comment #54 from Martin Steigerwald --- Tore, thank you again for your recent findings. Just to let you know: I was not doubting it. In my experience Akonadi based KMail with IMAP never really worked with folders with more than maybe 1-2

[Akonadi] [Bug 338571] Performance Regression: Folder synchronisation in Akonadi 16.08 (actually in any release, starting with KDE 4.14) very slow, compared to kMail from KDE 4.13.x

https://bugs.kde.org/show_bug.cgi?id=338571 Gard Spreemann changed: What|Removed |Added CC|gspreem...@gmail.com| -- You are receiving this mail because: You

[Akonadi] [Bug 338571] Performance Regression: Folder synchronisation in Akonadi 16.08 (actually in any release, starting with KDE 4.14) very slow, compared to kMail from KDE 4.13.x

https://bugs.kde.org/show_bug.cgi?id=338571 Martin Steigerwald changed: What|Removed |Added Version|5.5.2 |5.14.1 --- Comment #53 from Martin

[Akonadi] [Bug 338571] Performance Regression: Folder synchronisation in Akonadi 16.08 (actually in any release, starting with KDE 4.14) very slow, compared to kMail from KDE 4.13.x

https://bugs.kde.org/show_bug.cgi?id=338571 Tore Anderson changed: What|Removed |Added Resolution|WAITINGFORINFO |--- Status|NEEDSINFO

[Akonadi] [Bug 338571] Performance Regression: Folder synchronisation in Akonadi 16.08 (actually in any release, starting with KDE 4.14) very slow, compared to kMail from KDE 4.13.x

https://bugs.kde.org/show_bug.cgi?id=338571 --- Comment #51 from Gunter Ohrner --- (In reply to Martin Steigerwald from comment #48) > Gunter, sorry for spelling your name wrong. No problem Martin, and thanks for even noticing it! ;) However, unfortunately I don't think I can be of much help

[Akonadi] [Bug 338571] Performance Regression: Folder synchronisation in Akonadi 16.08 (actually in any release, starting with KDE 4.14) very slow, compared to kMail from KDE 4.13.x

https://bugs.kde.org/show_bug.cgi?id=338571 --- Comment #50 from Philip Allen --- (In reply to Tore Anderson from comment #49) > (In reply to Martin Steigerwald from comment #47) > > Tore, Gunther or someone else who commented here: Could you please check > > whether you still have those

[Akonadi] [Bug 338571] Performance Regression: Folder synchronisation in Akonadi 16.08 (actually in any release, starting with KDE 4.14) very slow, compared to kMail from KDE 4.13.x

https://bugs.kde.org/show_bug.cgi?id=338571 --- Comment #49 from Tore Anderson --- (In reply to Martin Steigerwald from comment #47) > Tore, Gunther or someone else who commented here: Could you please check > whether you still have those performance issues you reported there with >

[Akonadi] [Bug 338571] Performance Regression: Folder synchronisation in Akonadi 16.08 (actually in any release, starting with KDE 4.14) very slow, compared to kMail from KDE 4.13.x

https://bugs.kde.org/show_bug.cgi?id=338571 --- Comment #48 from Martin Steigerwald --- Gunter, sorry for spelling your name wrong. -- You are receiving this mail because: You are the assignee for the bug. You are on the CC list for the bug.

[Akonadi] [Bug 338571] Performance Regression: Folder synchronisation in Akonadi 16.08 (actually in any release, starting with KDE 4.14) very slow, compared to kMail from KDE 4.13.x

https://bugs.kde.org/show_bug.cgi?id=338571 Martin Steigerwald changed: What|Removed |Added Resolution|--- |WAITINGFORINFO

[Akonadi] [Bug 338571] Performance Regression: Folder synchronisation in Akonadi 16.08 (actually in any release, starting with KDE 4.14) very slow, compared to kMail from KDE 4.13.x

https://bugs.kde.org/show_bug.cgi?id=338571 Leszek Lesner changed: What|Removed |Added CC||leszek.les...@web.de --

[Akonadi] [Bug 338571] Performance Regression: Folder synchronisation in Akonadi 16.08 (actually in any release, starting with KDE 4.14) very slow, compared to kMail from KDE 4.13.x

https://bugs.kde.org/show_bug.cgi?id=338571 David henry changed: What|Removed |Added CC||dhe...@redhat.com -- You are

[Akonadi] [Bug 338571] Performance Regression: Folder synchronisation in Akonadi 16.08 (actually in any release, starting with KDE 4.14) very slow, compared to kMail from KDE 4.13.x

https://bugs.kde.org/show_bug.cgi?id=338571 --- Comment #46 from Tore Anderson --- By the way, if you need an IMAP account to test with, try the IETF mailing list archives, which is available through anonymous IMAP (cf. https://trac.tools.ietf.org/group/tools/trac/wiki/Imap):

[Akonadi] [Bug 338571] Performance Regression: Folder synchronisation in Akonadi 16.08 (actually in any release, starting with KDE 4.14) very slow, compared to kMail from KDE 4.13.x

https://bugs.kde.org/show_bug.cgi?id=338571 --- Comment #45 from Tore Anderson --- Created attachment 106920 --> https://bugs.kde.org/attachment.cgi?id=106920=edit Temperature graph - KMail tests at 21:30-22:00 and 12:35-13:05 -- You are receiving this mail because: You are the

[Akonadi] [Bug 338571] Performance Regression: Folder synchronisation in Akonadi 16.08 (actually in any release, starting with KDE 4.14) very slow, compared to kMail from KDE 4.13.x

https://bugs.kde.org/show_bug.cgi?id=338571 --- Comment #43 from Tore Anderson --- Created attachment 106918 --> https://bugs.kde.org/attachment.cgi?id=106918=edit I/O throughput graph - KMail tests at 21:30-22:00 and 12:35-13:05 -- You are receiving this mail because: You are

[Akonadi] [Bug 338571] Performance Regression: Folder synchronisation in Akonadi 16.08 (actually in any release, starting with KDE 4.14) very slow, compared to kMail from KDE 4.13.x

https://bugs.kde.org/show_bug.cgi?id=338571 --- Comment #44 from Tore Anderson --- Created attachment 106919 --> https://bugs.kde.org/attachment.cgi?id=106919=edit Load graph - KMail tests at 21:30-22:00 and 12:35-13:05 -- You are receiving this mail because: You are the

[Akonadi] [Bug 338571] Performance Regression: Folder synchronisation in Akonadi 16.08 (actually in any release, starting with KDE 4.14) very slow, compared to kMail from KDE 4.13.x

https://bugs.kde.org/show_bug.cgi?id=338571 --- Comment #42 from Tore Anderson --- Created attachment 106917 --> https://bugs.kde.org/attachment.cgi?id=106917=edit IOOPS graph - KMail tests at 21:30-22:00 and 12:35-13:05 -- You are receiving this mail because: You are on the CC

[Akonadi] [Bug 338571] Performance Regression: Folder synchronisation in Akonadi 16.08 (actually in any release, starting with KDE 4.14) very slow, compared to kMail from KDE 4.13.x

https://bugs.kde.org/show_bug.cgi?id=338571 --- Comment #41 from Tore Anderson --- Created attachment 106916 --> https://bugs.kde.org/attachment.cgi?id=106916=edit CPU graph - KMail tests at 21:30-22:00 and 12:35-13:05 -- You are receiving this mail because: You are on the CC

[Akonadi] [Bug 338571] Performance Regression: Folder synchronisation in Akonadi 16.08 (actually in any release, starting with KDE 4.14) very slow, compared to kMail from KDE 4.13.x

https://bugs.kde.org/show_bug.cgi?id=338571 --- Comment #40 from Tore Anderson --- Following the release of Fedora 26, I decided to test KMail again and compare it with Mozilla Thunderbird, both using a completely empty UNIX account. tl;dr: Compared to Thunderbird, KMail/Akonadi

[Akonadi] [Bug 338571] Performance Regression: Folder synchronisation in Akonadi 16.08 (actually in any release, starting with KDE 4.14) very slow, compared to kMail from KDE 4.13.x

https://bugs.kde.org/show_bug.cgi?id=338571 Gunter Ohrner changed: What|Removed |Added Version|GIT (master)|5.5.2

[Akonadi] [Bug 338571] Performance Regression: Folder synchronisation in Akonadi 16.08 (actually in any release, starting with KDE 4.14) very slow, compared to kMail from KDE 4.13.x

https://bugs.kde.org/show_bug.cgi?id=338571 --- Comment #38 from Gunter Ohrner --- (In reply to mefyl from comment #36) > I had some hunch around 6 months ago and switched my IMAP server from > courier-imap to dovecot, and problem solved: folders now synchronize in a >

[Akonadi] [Bug 338571] Performance Regression: Folder synchronisation in Akonadi 16.08 (actually in any release, starting with KDE 4.14) very slow, compared to kMail from KDE 4.13.x

https://bugs.kde.org/show_bug.cgi?id=338571 --- Comment #37 from Gunter Ohrner --- (In reply to Martin Steigerwald from comment #35) > > Switching between folders is sloow... :) > Is this still the case? Absolutely. Unfortunately. -- You are receiving this mail

[Akonadi] [Bug 338571] Performance Regression: Folder synchronisation in Akonadi 16.08 (actually in any release, starting with KDE 4.14) very slow, compared to kMail from KDE 4.13.x

https://bugs.kde.org/show_bug.cgi?id=338571 --- Comment #36 from mefyl --- Some information that could help: I've been hit by the horrible read performance bug for years - i.e. opening a folder would take minutes of processing, with akonadi apparently going through all the

[Akonadi] [Bug 338571] Performance Regression: Folder synchronisation in Akonadi 16.08 (actually in any release, starting with KDE 4.14) very slow, compared to kMail from KDE 4.13.x

https://bugs.kde.org/show_bug.cgi?id=338571 --- Comment #35 from Martin Steigerwald --- (In reply to Gunter Ohrner from comment #31) > (In reply to Martin Steigerwald from comment #28) > > 1) There is folder synchronisation when you enter a folder and click mails > > in

[Akonadi] [Bug 338571] Performance Regression: Folder synchronisation in Akonadi 16.08 (actually in any release, starting with KDE 4.14) very slow, compared to kMail from KDE 4.13.x

https://bugs.kde.org/show_bug.cgi?id=338571 --- Comment #34 from Martin Steigerwald --- (In reply to Martin Steigerwald from comment #33) […] > and probably needless folder synchronisations. I reported IMHO needless > folder synchronisations for maildir already in: > >

[Akonadi] [Bug 338571] Performance Regression: Folder synchronisation in Akonadi 16.08 (actually in any release, starting with KDE 4.14) very slow, compared to kMail from KDE 4.13.x

https://bugs.kde.org/show_bug.cgi?id=338571 --- Comment #33 from Martin Steigerwald --- David, to me this appears an issue that is not directly related to folder synchronisation speed although slow folder synchronisation speeds makes it worse. I think it is a mixture of

[Akonadi] [Bug 338571] Performance Regression: Folder synchronisation in Akonadi 16.08 (actually in any release, starting with KDE 4.14) very slow, compared to kMail from KDE 4.13.x

https://bugs.kde.org/show_bug.cgi?id=338571 davidblunkett changed: What|Removed |Added CC|

[Akonadi] [Bug 338571] Performance Regression: Folder synchronisation in Akonadi 16.08 (actually in any release, starting with KDE 4.14) very slow, compared to kMail from KDE 4.13.x

https://bugs.kde.org/show_bug.cgi?id=338571 --- Comment #31 from Gunter Ohrner --- (In reply to Martin Steigerwald from comment #28) > 1) There is folder synchronisation when you enter a folder and click mails > in there to read them. No, that's a misunderstanding.

[Akonadi] [Bug 338571] Performance Regression: Folder synchronisation in Akonadi 16.08 (actually in any release, starting with KDE 4.14) very slow, compared to kMail from KDE 4.13.x

https://bugs.kde.org/show_bug.cgi?id=338571 --- Comment #30 from Martin Steigerwald --- I just created Bug 367892 - During folder synchronisation Akonadi blocks out other operations like deleting or viewing mails for blocking out other operations during folder

[Akonadi] [Bug 338571] Performance Regression: Folder synchronisation in Akonadi 16.08 (actually in any release, starting with KDE 4.14) very slow, compared to kMail from KDE 4.13.x

https://bugs.kde.org/show_bug.cgi?id=338571 --- Comment #29 from Martin Steigerwald --- Okay, nope changing the title on the bug report I mentioned on the third issue doesn´t make sense. I don´t see this bug anymore since performance improvements made by Dan and Millian. It

[Akonadi] [Bug 338571] Performance Regression: Folder synchronisation in Akonadi 16.08 (actually in any release, starting with KDE 4.14) very slow, compared to kMail from KDE 4.13.x

https://bugs.kde.org/show_bug.cgi?id=338571 --- Comment #28 from Martin Steigerwald --- There seem to be three issues in what you observe: 1) There is folder synchronisation when you enter a folder and click mails in there to read them. I don´t have that and for me this

[Akonadi] [Bug 338571] Performance Regression: Folder synchronisation in Akonadi 16.08 (actually in any release, starting with KDE 4.14) very slow, compared to kMail from KDE 4.13.x

https://bugs.kde.org/show_bug.cgi?id=338571 --- Comment #27 from Martin Steigerwald --- Created attachment 100801 --> https://bugs.kde.org/attachment.cgi?id=100801=edit excerpt of query log for folder synchronisation after deleting mails I sometimes need to delete quite a

[Akonadi] [Bug 338571] Performance Regression: Folder synchronisation in Akonadi 16.08 (actually in any release, starting with KDE 4.14) very slow, compared to kMail from KDE 4.13.x

https://bugs.kde.org/show_bug.cgi?id=338571 --- Comment #26 from Martin Steigerwald --- Created attachment 100800 --> https://bugs.kde.org/attachment.cgi?id=100800=edit excerpt of query log, clicking mails in open folders for some seconds This is what is almost instant on

[Akonadi] [Bug 338571] Performance Regression: Folder synchronisation in Akonadi 16.08 (actually in any release, starting with KDE 4.14) very slow, compared to kMail from KDE 4.13.x

https://bugs.kde.org/show_bug.cgi?id=338571 --- Comment #25 from Martin Steigerwald --- Okay, I seriously don´t get why its so different for you: One folder with about 1 mails about one second with cold caches and one with more than 24000 mails about 2-3 seconds with

[Akonadi] [Bug 338571] Performance Regression: Folder synchronisation in Akonadi 16.08 (actually in any release, starting with KDE 4.14) very slow, compared to kMail from KDE 4.13.x

https://bugs.kde.org/show_bug.cgi?id=338571 --- Comment #24 from Gunter Ohrner --- I'm using regular IMAP but with a local IMAP server. Don't ask me why I'm doing it this way, but apparently it's a good setup to detect performance bottlenecks in the IMAP codepaths. ;)

[Akonadi] [Bug 338571] Performance Regression: Folder synchronisation in Akonadi 16.08 (actually in any release, starting with KDE 4.14) very slow, compared to kMail from KDE 4.13.x

https://bugs.kde.org/show_bug.cgi?id=338571 --- Comment #23 from Martin Steigerwald --- Hmmm, okay, now I notice there is an important difference. I tested this against a local maildir resource, not with IMAP. I think… I bet that may cause a difference in MySQL load. Do you

[Akonadi] [Bug 338571] Performance Regression: Folder synchronisation in Akonadi 16.08 (actually in any release, starting with KDE 4.14) very slow, compared to kMail from KDE 4.13.x

https://bugs.kde.org/show_bug.cgi?id=338571 Mikael Gerdin changed: What|Removed |Added CC|mikael.ger...@gmail.com | -- You are

[Akonadi] [Bug 338571] Performance Regression: Folder synchronisation in Akonadi 16.08 (actually in any release, starting with KDE 4.14) very slow, compared to kMail from KDE 4.13.x

https://bugs.kde.org/show_bug.cgi?id=338571 --- Comment #22 from Martin Steigerwald --- Gunther, I am not sure what is going on on your system, cause when I access a 76000 mails folder it takes about 8 seconds to actually see KMail showing the first mails and starting the

[Akonadi] [Bug 338571] Performance Regression: Folder synchronisation in Akonadi 16.08 (actually in any release, starting with KDE 4.14) very slow, compared to kMail from KDE 4.13.x

https://bugs.kde.org/show_bug.cgi?id=338571 --- Comment #20 from Gunter Ohrner --- Currently slightly more than 41000 mails. It was somewhat less two years ago with kMail from KDE 4.13, but not significantly, and the performance dropped all of a sudden with the update.

[Akonadi] [Bug 338571] Performance Regression: Folder synchronisation in Akonadi 16.08 (actually in any release, starting with KDE 4.14) very slow, compared to kMail from KDE 4.13.x

https://bugs.kde.org/show_bug.cgi?id=338571 --- Comment #21 from Gunter Ohrner --- Wow, it's much worse than one query per mail... Activating the MySQL query log and just opening my Sent folder leaves me with a log file which is - 190 MByte (!) in size... Admittedly

[Akonadi] [Bug 338571] Performance Regression: Folder synchronisation in Akonadi 16.08 (actually in any release, starting with KDE 4.14) very slow, compared to kMail from KDE 4.13.x

https://bugs.kde.org/show_bug.cgi?id=338571 --- Comment #19 from Martin Steigerwald --- Gunter, how big is your sent folder? How many mails are in there. And, I am not sure whether it has been mentioned already, but my better experience may (!) be related to some manual

[Akonadi] [Bug 338571] Performance Regression: Folder synchronisation in Akonadi 16.08 (actually in any release, starting with KDE 4.14) very slow, compared to kMail from KDE 4.13.x

https://bugs.kde.org/show_bug.cgi?id=338571 Gunter Ohrner changed: What|Removed |Added Severity|normal |major -- You are

[Akonadi] [Bug 338571] Performance Regression: Folder synchronisation in Akonadi 16.08 (actually in any release, starting with KDE 4.14) very slow, compared to kMail from KDE 4.13.x

https://bugs.kde.org/show_bug.cgi?id=338571 Gunter Ohrner changed: What|Removed |Added Summary|Performance Regression: |Performance Regression: