issue_comments: 432342180

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https://github.com/pydata/xarray/issues/2501#issuecomment-432342180 https://api.github.com/repos/pydata/xarray/issues/2501 432342180 MDEyOklzc3VlQ29tbWVudDQzMjM0MjE4MA== 1197350 2018-10-23T17:27:30Z 2018-10-23T17:27:30Z MEMBER

In open_mfdataset, all of the dimensions and coordinates of the individual files have to be checked and verified to be compatible. That is often the source of slow performance with open_mfdataset.

To help us help you debug, please provide more information about the files your are opening. Specifically, please call open_dataset() directly on the first two files and copy and paste the output here. Specifically, do something like this python from glob import glob import xarray as xr all_files = glob('*1002*.nc') display(xr.open_dataset(all_files[0])) display(xr.open_dataset(all_files[1]))

 
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