[kdepim-users] Frequent coruptions of data base. Any remedies?

[Kishore Jonnalagadda]

On Nov 14, 2011 12:22 AM, "Andras Mantia" <amantia at kde.org> wrote:
>
> Kishore Jonnalagadda wrote:
>
> > I just read your blog and it explains this well. Could you slightly
expand
> > on the format used for imap cache? Folder hierarchy and how we can maybe
> > read and understand the database files?
>
> The answer unfortunately is not that easy, it'd be along the side of
> explaining the database layout. You can run the akonadiconsole tool and
try
> to explore the database. In short - in case of mails: collections are
> folders, pimitems are mail, parts are parts of mails (envelope, header,
> body), payload is the actual content of a part. remoteId is also
important,
> it identifies where the cached item points to (e.g your IMAP folder for a
> collection).
>  As explained in the blog, sometimes the payload data is stored in an
> external file. It will still have an entry to it in the database though.

Ill try if I can lookup the database for the above info but I doubt ill
succeed! :)

> > Here is the reason I ask for the above info. I use disconnected imap
with
> > gmail and if you use gmail/imap you would know that it has a pseudo
> > "[Gmail]" folder under which it has its "sent", "thrash" etc. This
[Gmail]
> > folder itself can contain no mail but for some reason, akonadi thinks it
> > has 14 mail and tries to retrieve them when I clickmon the folder and
> > starts endlessly spinning. I noticed the 14 number in the folder
> > properties dialog.
>
> This looks like either a bug in the IMAP agent or in GMail's imap
> implementation. Have you reported this bug on bugs.kde.org? I don't use
> gmail, so can't comment on it, but other devels I know were looking at
gmail
> compatibility and already fixed some issues.

Done now. https://bugs.kde.org/show_bug.cgi?id=286556

> > Now I want to tell akonadi to dump that's folder and
> > rebuild its index for it. I don't want to do that for the full account
as
> > that process took almost 48hrs the last time.
>
> Unfortunately there is no such thing as index rebuilding. The closes thing
> is Update Folder from the context menu (or Update Folder and subfolders).
> This is what synchronizes the cache with the real data.

I tried that several times but it did not help.

> > For some info on the way I use my system, I rarely restart but
> > suspend/resume several times a day and my home dir is on a local hdd. By
> > the way, akonadi seems to be very poor at recognizing internet
connection
> > loss. I often have to restart akonadi but sometimes toggling kmail
> > online/offline helps.
>
> This is a known bug inside the IMAP agent - I also suffer from it, the
> developer who wrote the IMAP agent is aware of it and I hope he will fix
it
> short term.
>  Switching the agent offline/online should help (you can do it from
> akonadiconsole if turning KMail itself offline/online does not help).

I sure hope for that too. I was in a rather embarrassing situation a few
days back... I took my laptop to a clients placed, resumed it and hooked it
up to a projector and began my presentation. Then several minutes later the
imap resources started bombarding notification back to back and I had a
tough time getting rid of them as they just kept on popping up! :( For next
time ill have to create a presentation activity with notifications disabled.
--
Cheers!
Kishore
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