issue_comments: 510167911

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https://github.com/pydata/xarray/issues/2501#issuecomment-510167911 https://api.github.com/repos/pydata/xarray/issues/2501 510167911 MDEyOklzc3VlQ29tbWVudDUxMDE2NzkxMQ== 1312546 2019-07-10T18:05:07Z 2019-07-10T18:05:07Z MEMBER

Great, thanks. I’ll look into the memory issue when writing. We may already have an issue for it.

On Jul 10, 2019, at 10:59, Rich Signell notifications@github.com wrote:

@TomAugspurger , I sat down here at Scipy with @rabernat and he instantly realized that we needed to drop the feature_id coordinate to prevent open_mfdataset from trying to harmonize that coordinate from all the chunks.

So if I use this code, the open_mdfdataset command finishes:

def drop_coords(ds): ds = ds.drop(['reference_time','feature_id']) return ds.reset_coords(drop=True) and I can then add back in the dropped coordinate values at the end:

dsets = [xr.open_dataset(f) for f in files[:3]] ds.coords['feature_id'] = dsets[0].coords['feature_id'] I'm now running into memory issues when I write the zarr data -- but I should raise that as a new issue, right?

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