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prep_datasets.py's Hugging Face downloads occasionally stall without failing. On Oct 31 this hung two website syncs for over 90 minutes and a re-grade job for over an hour, each at "Prepare dataset", while other runs of the same step a minute apart finished in about three minutes. scripts/process_datasets/prepare_datasets.sh runs prep_datasets.py with a time limit (15 minutes per attempt by default) and up to three attempts. The /evaluate, re-grade and website-sync workflows call it instead of the script directly. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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For review; not merged.
The problem.
prep_datasets.pydownloads RouterArena and LiveCodeBench data from Hugging Face, and those downloads occasionally stall without failing. Today (Oct 31) that hung several jobs at Prepare dataset:Runs of the same step a minute earlier finished in about three minutes. The
/evaluateworkflow runs the same step, so a submitter's evaluation could hang the same way.The change.
scripts/process_datasets/prepare_datasets.shrunsprep_datasets.pywith a time limit and retries:PREP_TIMEOUT), up to 3 attempts (PREP_ATTEMPTS), 15 seconds apart;The
/evaluate, re-grade and website-sync workflows call it in place of the directprep_datasets.pycall.Testing.
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