Alternatives

Products that do what Retrace – reverse debugging for production CPython applications does

Nathan here, one of the people who built Retrace. Happy to answer technical questions. Retrace records a CPython application's interactions with the nondeterministic outside world i.e. network, DB, filesystem, time, randomness, subprocesses, and lets you replay that execution locally and deterministically. The goal is to take a production failure and open the same execution in VS Code, with the ability to step forwards and backwards through the replay. The core idea is to record boundary crossings rather than tracing every Python line in production. External calls are recorded as…

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