issue_comments: 485460901

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https://github.com/pydata/xarray/issues/2912#issuecomment-485460901 https://api.github.com/repos/pydata/xarray/issues/2912 485460901 MDEyOklzc3VlQ29tbWVudDQ4NTQ2MDkwMQ== 1217238 2019-04-22T16:06:50Z 2019-04-22T16:06:50Z MEMBER

You're using dask, so the Dataset is being lazily computed. If one part of your pipeline is very expensive (perhaps reading the original data from disk?) then the process of saving can be very slow.

I would suggest doing some profiling, e.g., as shown in this example: http://docs.dask.org/en/latest/diagnostics-local.html#example

Once we know what the slow part is, that will hopefully make opportunities for improvement more obvious.

 
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