# Upload efficiently for lazy split download

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**Category:** Beginners\
**Created:** [August 6, 2025, 10:06am UTC](/static-proxy?url=https%3A%2F%2Fdiscuss.huggingface.co%2Ft%2Fupload-efficiently-for-lazy-split-download%2F165834 "2025-08-06T10:06:02Z")\
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**Author:** ![John6666](https://sea2.discourse-cdn.com/hellohellohello/user_avatar/discuss.huggingface.co/john6666/32/27664_2.png) [@John6666](/static-proxy?url=https%3A%2F%2Fdiscuss.huggingface.co%2Fu%2FJohn6666)%5C
**Post date:** [August 7, 2025, 10:10am UTC](/static-proxy?url=https%3A%2F%2Fdiscuss.huggingface.co%2Ft%2Fupload-efficiently-for-lazy-split-download%2F165834%2F6 "2025-08-07T10:10:34Z")

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Great!😆

Since [many people use `.filter`](/static-proxy?url=https%3A%2F%2Fdiscuss.huggingface.co%2Ft%2Ffiltering-performance%2F28305)%2C I don’t know much about [`filters` option](https://huggingface.co/docs/datasets/v4.0.0/package_reference/loading_methods#datasets.packaged_modules.parquet.ParquetConfig), but it seems that they need to be passed in [PyArrow format](https://arrow.apache.org/docs/3.0/python/generated/pyarrow.parquet.ParquetDataset.html).

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