issue_comments: 573270896

This data as json

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/3671#issuecomment-573270896 https://api.github.com/repos/pydata/xarray/issues/3671 573270896 MDEyOklzc3VlQ29tbWVudDU3MzI3MDg5Ng== 6815844 2020-01-11T02:24:19Z 2020-01-11T02:24:19Z MEMBER

But I mistakenly thought that there was a performance penalty to doing this.

Yes, construct(stride=2) does exactly the same thing before returning an array. https://github.com/pydata/xarray/blob/ff75081304eb2e2784dcb229cc48a532da557896/xarray/core/rolling.py#L242

 
{
    "total_count": 0,
    "+1": 0,
    "-1": 0,
    "laugh": 0,
    "hooray": 0,
    "confused": 0,
    "heart": 0,
    "rocket": 0,
    "eyes": 0
}
   546791416