Hi Jelle,

It is a little off-topic, but no. I actually use both. It depends a
little on the use-case we have. In cases where the tasks is more
oriented to mesh-based data I use the XDMF format. This is XML for the
descriptive part and HDF5 (PyTables) for the heavy data. For
monitoring a physical test, the main task is orchestrating data
producers (data acquisition systems) and data consumers (graphing and
data processing/monitoring tools). In the latter case I am using
CouchDb. However, combining both of them is also possible. Thus I can
perfectly imagine storing a HDF5 database inside a CouchDb document.
Again, the metadata will be present in the document attributes
(typical key-value pairs) these can be queried easily. While the HDF5
part is a blob inside the same document.

Regards,

Marco

On Wed, Jan 5, 2011 at 7:40 PM, Jelle Feringa <jelleferi...@gmail.com> wrote:
>> I will try to write a testcase in the next few weeks and post it here.
>
> I'm very curious. I know you've been working with pytables too; did you 
> chance from using pytables ( hdf5 ) to couchdb?
>
> -jelle
>
>

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