pull_requests: 531887999
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id | node_id | number | state | locked | title | user | body | created_at | updated_at | closed_at | merged_at | merge_commit_sha | assignee | milestone | draft | head | base | author_association | auto_merge | repo | url | merged_by |
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531887999 | MDExOlB1bGxSZXF1ZXN0NTMxODg3OTk5 | 4646 | closed | 0 | Modify zarr chunking as suggested in #4496 | 35919497 | Part of https://github.com/pydata/xarray/pull/4595 The changes involve only `open_dataset(..., engine=zarr)` (and marginally `open_zarr`), in particular, `_get_chunks` has been modified to fit #4496 (comment) option 1 chunking behaviour and align open_dataset chunking with `dataset.chunk`: - with `auto` it uses dask auto-chunking (if a preferred_chunking is defined, dask will take it into account as done in `dataset.chunk`) - with `-1` it uses dask but no chunking. - with `{}` it uses the backend encoded chunks (when available) for on-disk data (`xr.open_dataset`) and the current chunking for already opened datasets (`ds.chunk`) Add some test - [x] Releted to pydata#4496 - [x] Tests added - [x] Passes `isort . && black . && mypy . && flake8` - [ ] User visible changes (including notable bug fixes) are documented in `whats-new.rst` | 2020-12-03T15:56:28Z | 2021-02-11T01:51:55Z | 2020-12-09T12:26:45Z | 2020-12-09T12:26:45Z | 9802411b35291a6149d850e8e573cde71a93bfbf | 0 | d99150a9110acd6e4dfb80e733eb5410a675912a | 7152b41fa80a56db0ce88b241fbe4092473cfcf0 | COLLABORATOR | 13221727 | https://github.com/pydata/xarray/pull/4646 |
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