dask.array.to_zarr

dask.array.to_zarr¶

dask.array.to_zarr(arr, url, component=None, storage_options=None, overwrite=False, region=None, compute=True, return_stored=False, **kwargs)[source]¶

Save array to the zarr storage format

See https://zarr.readthedocs.io for details about the format.

Parameters

arr: dask.array: Data to store
url: Zarr Array or str or MutableMapping: Location of the data. A URL can include a protocol specifier like s3:// for remote data. Can also be any MutableMapping instance, which should be serializable if used in multiple processes.
component: str or None: If the location is a zarr group rather than an array, this is the subcomponent that should be created/over-written.
storage_options: dict: Any additional parameters for the storage backend (ignored for local paths)
overwrite: bool: If given array already exists, overwrite=False will cause an error, where overwrite=True will replace the existing data.
region: tuple of slices or None: The region of data that should be written if url is a zarr.Array. Not to be used with other types of url.
compute: bool: See store() for more details.
return_stored: bool: See store() for more details.
**kwargs:: Passed to the zarr.creation.create() function, e.g., compression options.

Raises

ValueError: If arr has unknown chunk sizes, which is not supported by Zarr. If region is specified and url is not a zarr.Array