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Merged
d-v-b merged 2 commits into from
Mar 11, 2026
Merged

docs: add example of creating uncompressed arrays (#3464) #3752

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docs: add example of creating uncompressed arrays (#3464)
Mar 9, 2026
62a9322
Merge branch 'main' into issue/3464-uncompressed-example
d-v-b Mar 11, 2026
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1 change: 1 addition & 0 deletions changes/3464.doc.md
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@@ -0,0 +1 @@
Add documentation example for creating uncompressed arrays in the Compression section of the user guide.
7 changes: 7 additions & 0 deletions docs/user-guide/arrays.md
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Expand Up @@ -224,6 +224,13 @@ print(z.info_complete())
If you don't specify a compressor, by default Zarr uses the Zstandard
compressor.

To create an array without any compression, set `compressors=None`:

```python exec="true" session="arrays" source="above" result="ansi"
z_no_compress = zarr.create_array(store='data/example-uncompressed.zarr', shape=(10000, 10000), chunks=(1000, 1000), dtype='int32', compressors=None)
print(f"Compressors: {z_no_compress.compressors}")
```

In addition to Blosc and Zstandard, other compression libraries can also be used. For example,
here is an array using Gzip compression, level 1:

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