issues: 361858640

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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
361858640 MDU6SXNzdWUzNjE4NTg2NDA= 2423 manually specify chunks in open_zarr 1197350 closed 0     2 2018-09-19T17:52:31Z 2020-01-09T15:21:35Z 2020-01-09T15:21:35Z MEMBER      

Currently, open_zarr has two possible chunking behaviors. auto_chunk=True (default) creates dask chunks corresponding with zarr chunks. auto_chunk=False creates no chunks. But what if you want to manually specify the chunks, as with open_dataset(chunks=...). open_zarr could easily support this, but it does not currently.

Note that this is not the same as calling .chunk() post dataset creation. That operation is very inefficient, since it begins from a single global chunk for each variable.

 
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