Add BDN weight loading example with Qwen3-0.6B - #77
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Demonstrates loading model weights through BDN (WeightsSource) instead of downloading in the training script. Includes HF and S3 patterns. Validated end-to-end on Baseten (job 32p150q, TRAINING_JOB_COMPLETED). Fixes COR-1260
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Summary
qwen3-0.6b-bdn-weightsexample demonstrating BDN weight loading for training jobs.WeightsSourcewithhf://(active) ands3://(commented, ready to customize) inconfig.py./app/models/Qwen/Qwen3-0.6B) with no download code.Why
Training docs now document BDN weight loading (docs.baseten.co PR #471), but ml-cookbook had no working example. This provides a runnable reference.
Validation
Pushed to Baseten and ran end-to-end:
32p150q, Status:TRAINING_JOB_COMPLETED/app/models/Qwen/Qwen3-0.6BFixes COR-1260