[Digikam-users] Mysql/MariaDb database expert needs...

Richard Mortimer richm+digikam at oldelvet.org.uk
Thu Nov 12 17:12:49 GMT 2015

On 12/11/2015 16:38, Henrique Santos Fernandes wrote:
>     The one advantage of having separate databases is for backup purposes.
>     The thumbnail database in particular can be massive and having it
>     separate makes it easier especially since it is basically throwaway data
>     anyway.
> This is true. But still easy to remove or drop the tables related to it.
> Only "problem" would be the backup size, as it would include the
> thumbnails..
Yes. That's my point. Dropping the tables isn't practical on a nightly
basis. I currently have separated databases and the "main" database
backup is 1.5 MB compressed but the thumbnails database is 650 MB

>     The performance of MySQL doesn't really come into it. You can in theory
>     partition different databases into different locations/disks etc. and
>     that might be of interest to some but it would be a pretty special
>     use case.
>     I think that the correct default would be to use a common name for all
>     three but allow separate names if required.
> I think teh default should be one database also.
> I guess, having the possibility to separate the databases  would
> introduce much more work right? I am not sure.. not a developer..  i
> only know some about infrastructure .
You can already separate them and I would like to see that capability
remain if possible.



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