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issues: 617476316

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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
617476316 MDU6SXNzdWU2MTc0NzYzMTY= 4055 Automatic chunking of arrays ? 56925856 closed 0     11 2020-05-13T14:02:41Z 2020-05-25T19:23:45Z 2020-05-25T19:23:45Z CONTRIBUTOR      

Hi there,

Hopefully this turns out to be a basic issue, but I was wondering why the chunks='auto' that dask seems to provide (https://docs.dask.org/en/latest/array-chunks.html#automatic-chunking) isn't an option for xarray? I'm not 100% sure of how dask decides how to automatically chunk its arrays, so maybe there's a compatibility issue?

I get the impression that the dask method automatically tries to prevent the issues of "too many chunks" or "too few chunks" which can sometimes happen when choosing chunk sizes automatically. If so, it would maybe be a useful thing to include in future versions?

Happy to be corrected if I've misunderstood something here though, still getting my head around how the dask/xarray compatibility really works...

Cheers!

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