issue_comments: 572369966

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https://github.com/pydata/xarray/issues/3668#issuecomment-572369966 https://api.github.com/repos/pydata/xarray/issues/3668 572369966 MDEyOklzc3VlQ29tbWVudDU3MjM2OTk2Ng== 1197350 2020-01-09T03:42:23Z 2020-01-09T03:42:23Z MEMBER

Thanks for these detailed reports!

The scenario you are describing--trying to open a file that is not accessible at all from the client--is certainly not something we ever considered when designing this. It is a miracle to me that it does work with netCDF.

I think you are on track with the serialization diagnostics. I believe that @jhamman has the best understanding of this topic. He implemented the parallel mode in open_mfdataset. Perhaps he can give some suggestions.

In the meantime, it seems worth asking the obvious question...how hard would it be to mount the NFS volume on the client? That would avoid having to go down this route.

 
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