Hi Mika,

Am I guessing correctly that when you refer to switching between DT and DR you 
mean between darktable’s darkroom and  light table modes?

I haven’t experienced the problem you experience, possibly because I don’t use 
tags all that much,  but just as a sanity check have you got your selection 
criteria in lighttable set to a film roll or other sensibly small collection 
rather than trying to load the whole database into the lighttable for display?

Rgds,
Rob.



From: Mika Mantere [mailto:[email protected]]
Sent: 23 May 2014 05:15
To: [email protected]
Subject: [Darktable-users] db issues

I've been dabbling with DT (among others) in my quest to establish a workflow 
on linux (Ubuntu) and I like DT. Darkroom seems very promising for me as I've 
been messing around with a few images.

So I decided to try it further and imported around 40K images (mostly nef, but 
psd, tif and jpg too) and then the problems started. All of a sudden it now 
takes many minutes to start DT.  Then it goes from DT to DR immediately, but 
going back from DR to DT again takes many minutes.

I found out that large dbs had been a problem in DT,but it was supposedly fixed 
in 1.4.

Looking at tags I noticed that when importing tifs and jpgs, DT adds tags to 
every image, namely a tag for date, time and copyright info each and then one 
more like 'darktable|format|tif'.  This does not happen with nefs. This catalog 
used about 300 keywords in a hierarchy, but DT's behavior added thousands of 
tags and I suspect it might have something to do with the slowdown of DT.

Has anyone similar problems?

Thanks,
Mika

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