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/1340#issuecomment-298433889,https://api.github.com/repos/pydata/xarray/issues/1340,298433889,MDEyOklzc3VlQ29tbWVudDI5ODQzMzg4OQ==,1217238,2017-05-01T21:11:15Z,2017-05-01T21:11:15Z,MEMBER,"@karenamckinnon In this case, it was in the file paths, i.e., `/glade/apps/opt/pandas/0.14.0/gnu/4.8.2/lib/python2.7/site-packages/pandas-0.14.0-py2.7-linux-x86_64.egg/pandas/core/index.pyc`","{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",,218260909
https://github.com/pydata/xarray/issues/1340#issuecomment-297572440,https://api.github.com/repos/pydata/xarray/issues/1340,297572440,MDEyOklzc3VlQ29tbWVudDI5NzU3MjQ0MA==,1217238,2017-04-26T23:48:29Z,2017-04-26T23:48:29Z,MEMBER,"@karenamckinnon From your traceback, it looks like you're using pandas 0.14, but xarray requires at least pandas 0.15.","{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",,218260909
https://github.com/pydata/xarray/issues/1340#issuecomment-297566576,https://api.github.com/repos/pydata/xarray/issues/1340,297566576,MDEyOklzc3VlQ29tbWVudDI5NzU2NjU3Ng==,1217238,2017-04-26T23:08:55Z,2017-04-26T23:08:55Z,MEMBER,@karenamckinnon could you please share a traceback for the error?,"{""total_count"": 1, ""+1"": 1, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",,218260909
https://github.com/pydata/xarray/issues/1340#issuecomment-290484162,https://api.github.com/repos/pydata/xarray/issues/1340,290484162,MDEyOklzc3VlQ29tbWVudDI5MDQ4NDE2Mg==,1197350,2017-03-30T17:33:02Z,2017-03-30T17:33:02Z,MEMBER,This sounds like the kind of thing I could manage.,"{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",,218260909
https://github.com/pydata/xarray/issues/1340#issuecomment-290480036,https://api.github.com/repos/pydata/xarray/issues/1340,290480036,MDEyOklzc3VlQ29tbWVudDI5MDQ4MDAzNg==,1217238,2017-03-30T17:18:22Z,2017-03-30T17:18:22Z,MEMBER,"Indeed, it's not. We should add some way to pipe this arguments through `auto_combine` on to `concat`.","{""total_count"": 3, ""+1"": 3, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",,218260909
https://github.com/pydata/xarray/issues/1340#issuecomment-290478206,https://api.github.com/repos/pydata/xarray/issues/1340,290478206,MDEyOklzc3VlQ29tbWVudDI5MDQ3ODIwNg==,1197350,2017-03-30T17:12:01Z,2017-03-30T17:12:01Z,MEMBER,"`coords` is not a valid kwarg for open_mfdataset

http://xarray.pydata.org/en/latest/generated/xarray.open_mfdataset.html#xarray-open-mfdataset","{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",,218260909
https://github.com/pydata/xarray/issues/1340#issuecomment-290477014,https://api.github.com/repos/pydata/xarray/issues/1340,290477014,MDEyOklzc3VlQ29tbWVudDI5MDQ3NzAxNA==,1217238,2017-03-30T17:07:50Z,2017-03-30T17:07:50Z,MEMBER,"My strong suspicion is that the bottleneck here is xarray checking all the coordinates for equality in concat, when deciding whether to add a ""time"" dimension or not.

Try passing `coords='minimal'` and see if that speeds things up. See the `concat` documentation for details:
http://xarray.pydata.org/en/stable/generated/xarray.concat.html#xarray.concat

This was a convenient check for small/in-memory datasets but possibly it's not a good one going forward. It's generally slow to load all the coordinate data for comparisons, but it's even worse with the current implementation, which computes pair-wise comparisons of arrays with dask instead of doing them in parallel all at once.","{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",,218260909