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-586139738,https://api.github.com/repos/pydata/xarray/issues/2459,586139738,MDEyOklzc3VlQ29tbWVudDU4NjEzOTczOA==,6213168,2020-02-14T07:50:08Z,2020-02-14T07:50:47Z,MEMBER,"@tqfjo unrelated. You're comparing the creation of a dataset with 2 variables with the creation of one with 3000. Unsurprisingly, the latter will take 1500x. If your dataset doesn't functionally contain 3000 variables but just a single two-dimensional variable, use ``xarray.DataArray(ds)``.","{""total_count"": 1, ""+1"": 1, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",,365973662