issue_comments: 590351872

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https://github.com/pydata/xarray/issues/3795#issuecomment-590351872 https://api.github.com/repos/pydata/xarray/issues/3795 590351872 MDEyOklzc3VlQ29tbWVudDU5MDM1MTg3Mg== 34353851 2020-02-24T14:39:11Z 2020-02-24T15:06:16Z NONE

backends\api.py DATAARRAY_NAME = "xarray_dataarray_name" DATAARRAY_VARIABLE = "xarray_dataarray_variable"

The name is auto when i open the file ,xarrray.open_dataset( parallel=True)

core\dataarray.py

def rename( self, new_name_or_name_dict: Union[Hashable, Mapping[Hashable, Hashable]] = None, **names: Hashable, ) -> "DataArray":

    if names or utils.is_dict_like(new_name_or_name_dict):
        new_name_or_name_dict = cast(
            Mapping[Hashable, Hashable], new_name_or_name_dict
        )
        name_dict = either_dict_or_kwargs(new_name_or_name_dict, names, "rename")
        **dataset = self.**_to_temp_dataset()**.rename(name_dict)
        return self._from_temp_dataset(dataset)**
    else:
        new_name_or_name_dict = cast(Hashable, new_name_or_name_dict)
        return self._replace(name=new_name_or_name_dict)

I think an operation changing the previous chunksize or something with xarrray.open_dataset parallel=True, (core\parallel.py) because the chunksize changes to 365 based on days of the year Sorry i cannot help more.

 
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