Considering to switch away from KDEPIM/Akonadi

Paul Vixie paul at
Fri Apr 5 00:19:54 BST 2019

i do this every two weeks, because forced.

i fsck and vacuum and restart twice a day, because forced.

i use post gres, because mariadb was even worse.

don't like akonadi.

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On 5 Apr 2019, 00:43, at 00:43, con.hennessy at wrote:
>Hi Martin,
>I'm also a longtime (and content) user of kmail.
>I've occasionally experienced what you describe (or something very
>similar) and what I've 
>ended up doing is to effectively reinitialise akonadi. This is
>relatively easy to do by 
>stopping akonadi, moving ~/local/share/akonai, and restarting akonadi. 
>It may take some time to re-download various emails by akonadi but it
>has proven 
>successful. I've only had to do this twice in the last 12 months.
>I hope this might help you and others. 
>On Thursday 4 April 2019 and Martin Steigerwald wrote:
>> Hi.
>> I did not write in a long time about own issues with KDEPIM/Akonadi
>> instead tried to help others along here and there, but now I feel
>> frustrated…
>> also due to own resistance to actually report a bug, I deal with a
>> regular crash of KMail¹ – regular as in several times a day.
>> However, that is not the main issue.
>> The main issue are two performance related issues (despite MariaDB
>> tuning and all that):
>> 1) During mail retrieval KMail sometimes just stops displaying new
>> coming in. It GUI is responsive, but when I click on another folder
>> so… I just get the waiting message. These stalls, that do not happen
>> of the time, take up to a minute or even longer.
>> 2) Filtering of new mail into folders takes very long. Very long
>> up to 5 minutes or move of sustained activity of both Akonadi and
>> MariaDB for filtering 1000-2000 new mails. That is with me even
>> sure to remove old mails from Akonadi's maildir entirely. Most
>> do not have more than 30000-40000 mails, some considerable less. A
>> have 80000-100000 mails and I have the idea to remove mails out of
>> as well.
>> 3) Then I had one of the LRCONFLICTs displayed in KMail's status line
>> without even able to expand it to see what is is about. I solved it
>> clearing Akonadi cache of incoming folder.
>> At the same time due to introduction of Office 365 at work² I partly
>> Evolution with EWS and I found the following:
>> 1) Evolution did not crash *once* so far.
>> 2) Evolution just works. For me so far, that is.
>> 3) Evolution does not get stuck.
>> 3) So far I do not see much of a performance issue. There are some
>> stalls at time, but nothing even almost as unbearable as with KMail
>> Akonadi.
>> Granted the amount of mails in my work-around is considerably lower.
>> while KMail does not crash several times a day with my work setup, it
>> still crashed once in a while. Also Akonadi gets stuck with IMAP or
>> connection or whatever else.
>> Now, I know how much I defended KDEPIM / Akonadi, but… I also see the
>> amount of effort you, Daniel, and others put into fixing things up
>> even changing Akonadi in some fundamental ways in order to make it
>> I truly appreciate that work…
>> but I am also tired.
>> Simply put: I am fed up with it.
>> Yes, I see the recent improvements in Akonadiconsole to help others
>> report meaningful bugs and all that…
>> but I do not like to be a database admin or a server administrator
>> to read my mail and respond to them or write a bug report.
>> KMail is still *just* a mail program.
>> Akonadi does not have issues since yesterday. I'd say it had issues
>> the beginning. I might have been lucky at times where it mostly
>> for me, but also I moved through a ton of issues and pain with KDEPIM
>> and Akonadi.
>> I am sorry to write but I have found myself seriously considering to
>> switch away from KDEPIM, as much as I like KMail.
>> The only other idea I had is to just switch from MariaDB to
>> It would mean a PostgreSQL upgrade once in a while, but it if works
>> better, I'd probably do that. Especially after I somewhere skimmed
>> you, Daniel, wrote about a kind of locking issue with MariaDB/MySQL.
>> also since you, Daniel, as the only one I am currently aware of
>> deep into Akonadi, AFAIK use PostgreSQL as well.
>> I am reluctant as akonadictl fsck reported a lot of issues the last
>> I used it, including about items without RID. I may like to export
>> into files before attempting a switch as Akonadi still cannot reply
>> those. And still I also do not get how a maildir resource could ever
>> fail to write out the mail into the maildir as long as the filesystem
>> healthy.  I am also reluctant due to having to reconfigure about 100
>> more filter rules.
>> Or I might give it another change till the rewrite of the search
>> infrastructure as one of the last steps to improve Akonadi's
>> architecture.
>> Or at least wait till 18.12 or 19.04 packages are available and test
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