More details here: Upload files to the Hub
The summary table:
| Characteristic | Recommended | Tips |
|---|---|---|
| Repo size | - | contact us for large repos (TBs of data) |
| Files per repo | <100k | merge data into fewer files |
| Entries per folder | <10k | use subdirectories in repo |
| File size | <5GB | split data into chunked files |
| Commit size | <100 files* | upload files in multiple commits |
| Commits per repo | - | upload multiple files per commit |