issue_comments: 432998937

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https://github.com/pydata/xarray/issues/2504#issuecomment-432998937 https://api.github.com/repos/pydata/xarray/issues/2504 432998937 MDEyOklzc3VlQ29tbWVudDQzMjk5ODkzNw== 11750960 2018-10-25T10:27:49Z 2018-10-25T10:27:49Z CONTRIBUTOR

ds = xr.open_dataset(grid_dir_nc+'Depth.nc', chunks={'face':1}, engine='h5netcdf') % time print(ds.Depth.mean().values) leads to: CPU times: user 824 ms, sys: 50.4 ms, total: 875 ms Wall time: 11.3 s and ds = xr.open_dataset(grid_dir_nc+'Depth.nc', chunks={'face':1}).load() % time print(ds.Depth.mean().values) to CPU times: user 61.9 ms, sys: 22.4 ms, total: 84.3 ms Wall time: 76.2 ms much better ... thanks a lot for these two solutions.

 
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