fix: update file size calculation in dataset info#689
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Pull request overview
This PR updates the dataset metadata contract so the UI displays a dataset “size” value sourced from backend metadata computed from the underlying Arrow table rather than a Pandas DataFrame memory-usage estimate.
Changes:
- Backend: replaces
general_info.memory_usage_mbwithgeneral_info.file_size_mbcomputed fromarrow_table.nbytes. - Frontend: switches the dataset visualization header to read
general_info.file_size_mbfor display.
Reviewed changes
Copilot reviewed 2 out of 2 changed files in this pull request and generated 2 comments.
| File | Description |
|---|---|
| DashAI/front/src/components/DatasetVisualization.jsx | Switches the header’s displayed size field from memory_usage_mb to file_size_mb. |
| DashAI/back/dataloaders/classes/dashai_dataset.py | Changes the computed dataset size metadata to use Arrow table byte size and emits it as file_size_mb. |
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This pull request updates how dataset file size is calculated and displayed in the dataset visualization component. Instead of reporting the in-memory size, the system now reports the actual file size based on the Arrow table, ensuring more accurate information is shown to users.
Backend: File size calculation update
file_size_mbusing the Arrow table's byte size instead of the DataFrame's memory usage, providing a more accurate file size metric. (DashAI/back/dataloaders/classes/dashai_dataset.py)Frontend: File size display update
file_size_mbfield for displaying file size in the dataset visualization header, instead of the previousmemory_usage_mbfield. (DashAI/front/src/components/DatasetVisualization.jsx)