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/630#issuecomment-152287198,https://api.github.com/repos/pydata/xarray/issues/630,152287198,MDEyOklzc3VlQ29tbWVudDE1MjI4NzE5OA==,2443309,2015-10-29T18:58:43Z,2015-10-29T18:58:43Z,MEMBER,"Okay, so the `Dataset` constructor needs to create a copy of the metadata. Could we include a argument to the constructor that copies the `.values` too? Obviously there is a performance hit there but it would allow users to be explicit about their own memory handling. Just an idea.
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