issue_comments: 347811473

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https://github.com/pydata/xarray/issues/1745#issuecomment-347811473 https://api.github.com/repos/pydata/xarray/issues/1745 347811473 MDEyOklzc3VlQ29tbWVudDM0NzgxMTQ3Mw== 1217238 2017-11-29T10:03:51Z 2017-11-29T10:03:51Z MEMBER

I think this was introduced by https://github.com/pydata/xarray/pull/1551, where we started loading coordinates that are compared for equality into memory. This speeds up open_mfdataset, but does increase memory usage.

We might consider adding an option for reduced memory usage at the price of speed. @crusaderky @jhamman @rabernat any thoughts?

 
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