issues: 288184220

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id node_id number title user state locked assignee milestone comments created_at updated_at closed_at author_association active_lock_reason draft pull_request body reactions performed_via_github_app state_reason repo type
288184220 MDU6SXNzdWUyODgxODQyMjA= 1823 We need a fast path for open_mfdataset 1197350 closed 0     19 2018-01-12T17:01:49Z 2021-01-28T18:00:15Z 2021-01-27T17:50:09Z MEMBER      

It would be great to have a "fast path" option for open_mfdataset, in which all alignment / coordinate checking is bypassed. This would be used in cases where the user knows that many netCDF files all share the same coordinates (e.g. model output, satellite records from the same product, etc.). The coordinates would just be taken from the first file, and only the data variables would be read from all subsequent files. The only checking would be that the data variables have the correct shape.

Implementing this would require some refactoring. @jbusecke mentioned that he had developed a solution for this (related to #1704), so maybe he could be the one to add this feature to xarray.

This is also related to #1385.

 
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