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/1614#issuecomment-398172901,https://api.github.com/repos/pydata/xarray/issues/1614,398172901,MDEyOklzc3VlQ29tbWVudDM5ODE3MjkwMQ==,5635139,2018-06-18T19:46:39Z,2020-03-26T20:39:49Z,MEMBER,"> consider some kind of history tracker as part of the metadata propagation? Data lineage is a big, hard, unsolved problem (~for us~ internally, above both naming things and cache invalidation :) ) To second @shoyer, I think it's big and difficult enough to be a separate library","{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",,264049503