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Document the HF_DATASETS_CACHE environment variable in the datasets cache documentation #7532

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Document the HF_DATASETS_CACHE environment variable in the datasets cache documentation #7532

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8 changes: 8 additions & 0 deletions docs/source/cache.mdx
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Expand Up @@ -21,6 +21,14 @@ The default 🤗 Datasets cache directory is `~/.cache/huggingface/datasets`. Ch

```
$ export HF_HOME="/path/to/another/directory/datasets"

```
## HF_DATASETS_CACHE

In addition to using `HF_HOME`, you can override the default 🤗 Datasets cache directory by setting the `HF_DATASETS_CACHE` environment variable. This variable allows you to specify a custom cache location for datasets converted into Arrow format. For instance:

```
$ export HF_DATASETS_CACHE="/path/to/your/custom/cache"
```

When you load a dataset, you also have the option to change where the data is cached. Change the `cache_dir` parameter to the path you want:
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