TVB-2606: cache metadata
Created by: adrian-dordea
Currently, with every HasTraits scalar, we re-read all H5 metadata. It is not really visible in tvb web GUI as a performance drop, but we could do it smarter
Created by: adrian-dordea
Currently, with every HasTraits scalar, we re-read all H5 metadata. It is not really visible in tvb web GUI as a performance drop, but we could do it smarter