Tag
record-and-replay
- Mar 20, 2026 Reproduction Fidelity and the Sources of Nondeterminism A failure that reproduces locally is not necessarily the failure that was observed, and the difference is a set of interleavings, clock readings, hash seeds, and externally timed events. observability
- Jan 19, 2024 Deterministic Replay: Recording a Thread Schedule and Playing It Back What must be captured to reproduce an execution exactly, why recording the interleaving is not enough, and how replay trades observability for the ability to repeat a failure. systems programming