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Ran 07 Apr 2026 07:59AM UTC

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Committed 07 Apr 2026 07:55AM UTC coverage: 55.062% (+0.07%) from 54.988%

Job # 24070722781.1

Build Type

Pull #139

github

Committed by

sutaakar

Commit Message

Sanitize NaN/Infinity in metrics JSON before parsing

Python's json.dumps() allows NaN and Infinity by default, but these
are not valid JSON per the spec. When training metrics contain these
values (e.g., grad_norm when loss=0, eval_loss with bf16 on ROCm),
Go's json.Unmarshal fails, causing the operator to never capture
training progress.

Add sanitizeJSON() to replace NaN/Infinity with null before parsing
in both PollTrainingProgress and CaptureMetricsFromTerminationMessage.
The regex patterns are anchored to trailing JSON delimiters to avoid
corrupting string values.

Ref: RHOAIENG-56898

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Pull Request Pull Request #139: Sanitize NaN/Infinity in metrics JSON before parsing

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