[Kde-pim] Mix of config and cache data

[Kevin Krammer]

On Monday, 2012-04-23, Martin (KDE) wrote:
> Am Montag, 23. April 2012, 15:11:57 schrieb Christian Mollekopf:
> > Hey Martin,
> > 
> > I don't know what exactly happended to you regarding your mail-loss, but
> > it is possibly because the config is NOT stored inside the db.
> > 
> > The problem with deleting the db is:
> > Every File/Folder (or Item/Collection to use tha akonadi jargon), has a
> > unique id within the db. If you delete the db, the new db will reuse
> > those ids though (but probably not for the same file/folder). Since
> > config options applying to a certain folder usually use this id, your
> > config will suddenly apply to a different folder after recreating the
> > db.
> > That is why such config options should be stored in the db IMO.
> > 
> > As I said, I don't know if that is what happened to you, but consider it
> > as a possibility (as this would make your conclusion below wrong).
> 
> That exactly happened to me. I had expiration set to about 20% of my folder
> and after my migration to my new computer (without copying the akonadi DB)
> the expiration was set to totally different folder. One was my archive
> folder (easy to restore because it was empty afterwards). Others were
> worse as I had to find the missing mails first.
> 
> If I remember this correct part of the problem was caused by choosing an
> integer ID instead the path/URL. I don't know how this is or will be solved
> in future.

As far as I know this has been fixed and folder specific configuration is now 
part of the respective folder's meta data.

> But how is a backup supposed to be handled then? Always the complete DB?

I can only speak for myself but I backup everything that is not in distinctly 
specified cache or temp locations.

Cheers,
Kevin

> 
> Regards
> Martin
> 
> > Cheers,
> > Christian
> 
> _______________________________________________
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> https://mail.kde.org/mailman/listinfo/kde-pim
> KDE PIM home page at http://pim.kde.org/

-- 
Kevin Krammer, KDE developer, xdg-utils developer
KDE user support, developer mentoring
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