Sébastien Biner

I have the same problem. open_mfdatasset is 10X slower than nc.MFDataset. I used the following code to get some timing on opening 456 local netcdf files located in a `nc_local`...

I just tried and it did not help ... ``` In [5]: run test_ouverture_fichier_nc_vs_xr.py timing glob: 0.00s timing netcdf4: 3.36s timing xarray: 44.82s timing xarray tune: 14.47s In [6]: xr.show_versions()...