Lost emails during akonadi database rebuild

[ianseeks]

On Tuesday, 30 August 2016 21:17:43 BST Ingo Klöcker wrote:
> On Tuesday 30 August 2016 11:32:40 ianseeks wrote:
> > HI
> > 
> > Due to my kmail (Version 5.3.0 (QtWebEngine)) crashing at will every few
> > minutes (and akonadi server had its restart issues last week), i thought
> > i'd clear out the akonadi database and let it all rebuild from scratch in
> > the hope it might help kmail. I did the following (i followed this link
> > https://
> > docs.kde.org/stable5/en/kdepim/kmail/clean-start-after-a-failed-migration.
> > h
> > tml - which may have been the wrong thing to do):-
> > 
> > Akonadictl stop
> > ~/.local/share/akonadi
> > ~/.config/akonadi
> > akonadictl start
> > 
> > I've now got a load of emails back but only starting from about May this
> > year and i should have had emails going back years. The lost emails are
> > not
> > an issue because its just mailing list stuff but i was under the
> > impression
> > that the akonadi database was separate from the emails so i should not
> > have
> > lost any. Was this an incorrect belief?
> 
> No, yes, depends. :/
> 
> Under certain circumstances, due to bugs, it could happen that some messages
> were never written to disk (for local accounts) or to the IMAP server.
> These messages were only held in Akonadi's database. This is not by design,
> but due to bugs. For example, there was a longstanding bug where only the
> first of multiple messages that are moved to a local folder was actually
> written to disk.
> 
> 
> Regards,
> Ingo

Thanks. 14 April 2016 seems to be the magic date where all my mailing list 
folders start from now. I've have no idea what could have happened on or near 
that date that caused all the emails prior to that date to be lost. Must have 
been a serious bug to lose so many in a contiguous set of dates.

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