issue_comments: 1560651807

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https://github.com/pydata/xarray/issues/7868#issuecomment-1560651807 https://api.github.com/repos/pydata/xarray/issues/7868 1560651807 IC_kwDOAMm_X85dBagf 19285200 2023-05-24T08:12:18Z 2023-05-24T08:12:18Z NONE

Thanks @kmuehlbauer ! https://github.com/pydata/xarray/pull/7869 solve the issues !

Summarizing: - With #7869, netCDF4 with NC_STRING variable arrays are now read into xarray as Unicode dtype (instead of object) - As a consequence dask can estimate the array's size and xr.open_dataset(fpath, chunks="auto") does not raise anymore the NotImplementedError. - NC_CHAR variable arrays continue to be read into xarray as fixed-length byte-string dtype. Maybe something more could be done to deserialize also NC_CHAR to Unicode. However, this might cause some backward incompatibilities and might be better to address this in a separate PR.

Thanks again @kmuehlbauer for having resolved the problem in less than 2 hours :1st_place_medal: 

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