issue_comments: 586066908

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html_url issue_url id node_id user created_at updated_at author_association body reactions performed_via_github_app issue
https://github.com/pydata/xarray/issues/2459#issuecomment-586066908 https://api.github.com/repos/pydata/xarray/issues/2459 586066908 MDEyOklzc3VlQ29tbWVudDU4NjA2NjkwOA== 40251676 2020-02-14T02:25:25Z 2020-02-14T02:25:25Z NONE

I've run into this twice. This time I'm seeing a difference of very roughly 100x or more just using a transpose -- I can't test or time it properly right now, but this is what it looks like:

``` ipdb> df x a b ... c d y 0 0 ... 7 7 z ...
0 0.000000 0.0 ... 0.0 0.0 1 -0.000416 0.0 ... 0.0 0.0

[2 rows x 2932 columns] ipdb> df.to_xarray()

ipdb> df.T.to_xarray()

<Finishes instantly>

```

 
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