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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
1247010680 I_kwDOAMm_X85KU994 6633 Opening dataset without loading any indexes? TomNicholas 35968931 open 0     10 2022-05-24T19:06:09Z 2024-02-23T05:36:53Z   MEMBER      

Is your feature request related to a problem?

Within pangeo-forge's internals we would like to call open_dataset, then to_dict(), and end up with a schema-like representation of the contents of the dataset. This works, but it also has the side-effect of loading all indexes into memory, even if we are loading the data values "lazily".

Describe the solution you'd like

@benbovy do you think it would be possible to (perhaps optionally) also avoid loading indexes upon opening a dataset, so that we actually don't load anything? The end result would act a bit like ncdump does.

Describe alternatives you've considered

Otherwise we might have to try using xarray-schema or something but the suggestion here would be much neater and more flexible.

xref: https://github.com/pangeo-forge/pangeo-forge-recipes/issues/256

cc @rabernat @jhamman @cisaacstern 

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     xarray 13221727 issue

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