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Error code: RowsPostProcessingError
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Test Dataset: viewer-test-50-small-images-ok
Purpose: Demonstrate dataset viewer behavior with large images and row group sizing.
Dataset Details
- Number of images: 50
- Total size: ~167MB
- Average per image: ~3.3MB
Expected Behavior
50 smaller images (~3.5MB each, ~175MB total). Well under the 300MB limit.
Prediction: SHOULD WORK - Under 300MB limit
Technical Context
The dataset viewer converts imagefolder datasets to parquet with:
- Row group size: 100 rows (for image datasets)
- Scan size limit: 300MB
If all images end up in one row group and exceed 300MB, the viewer fails with:
Scan size limit exceeded: attempted to read X bytes, limit is 300000000 bytes
Related Issue
This dataset was created to help debug row group sizing for large images. See: https://github.com/huggingface/dataset-viewer for context.
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