Front-end statistical data quantity deviation
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Hi ! the format of this dataset is not supported by the Dataset Viewer. It looks like this dataset was saved using `save_to_disk()` which is meant for local storage / easy reload without compression, not for sharing online.
2025-04-15T12:54:50Z
https://github.com/huggingface/datasets/issues/7507#issuecomment-2804960156
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2025-04-15T12:54:50Z
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### Describe the bug

While browsing the dataset at https://huggingface.co/datasets/NeuML/wikipedia-20250123, I noticed that a dataset with nearly 7M entries was estimated to be only 4M in size—almost half the actual amount. According to the post-download loading and the dataset_info (https://huggingface.co/datasets/NeuML/wikipedia-20250123/blob/main/train/dataset_info.json), the true data volume is indeed close to 7M. This significant discrepancy could mislead users when sorting datasets by row count. Why not directly retrieve this information from dataset_info?

Not sure if this is the right place to report this bug, but leaving it here for the team's awareness.