issue_comments: 873094334

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https://github.com/pydata/xarray/issues/5567#issuecomment-873094334 https://api.github.com/repos/pydata/xarray/issues/5567 873094334 MDEyOklzc3VlQ29tbWVudDg3MzA5NDMzNA== 2448579 2021-07-02T15:48:53Z 2021-07-02T15:48:53Z MEMBER

ds.chunk({'time': -1})

I suspect this is making your entire dataset one big chunk. I would chunk along lat and lon in open_mfdataset first.

 
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