issue_comments: 338687376

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https://github.com/pydata/xarray/issues/1650#issuecomment-338687376 https://api.github.com/repos/pydata/xarray/issues/1650 338687376 MDEyOklzc3VlQ29tbWVudDMzODY4NzM3Ng== 703554 2017-10-23T14:58:59Z 2017-10-23T14:58:59Z CONTRIBUTOR

It looks like #1017 is about having no index at all. I want indexes, but I want to avoid loading all coordinate values into memory.

On Mon, Oct 23, 2017 at 1:47 PM, Fabien Maussion notifications@github.com wrote:

Has anyone considered implementing an index for monotonic data that does not require loading all values into main memory?

But this is already the case? #1017 https://github.com/pydata/xarray/pull/1017

With on file datasets I think it is sufficient to drop_variables when opening the dataset in order not to parse the coordinates:

ds = xr.open_dataset(f, drop_variables=['lon', 'lat'])

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