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[EXPERIMENTAL] new exploration policy: replayable #137
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If event has "replay_hint" hash string (that does not contain time-dependent/random things), we can semi-deterministically replay a scenario using time.Duration(hash(seed,replay_hint) % maxInterval). The seed can be set as EQ_REPLAY_SEED. I tested with example/zk-found-2212.nfqhook/config_replayable_experimental.toml. - Test count: 100 times for each - Config: replayable(maxInterval=100msec) -- Reproducibility with random seed: 5% (lower than the result in FOSDEM slice because I used different intervals in this test) -- Reproducibility with a certain fixed seed: 24% (up!)
AkihiroSuda
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Release Note: http://osrg.github.io/namazu/post/release-0-2-0/ Changes from v0.1.2: * New project name (Earthquake --> Namazu) * New feature: process inspector (useful for reproducing flaky xUnit test failures) * New feature: filesystem inspector (found YARN-4301) * New feature: Container CLI (Docker-like, human-friendly CLI) * New experimental feature: Semi-deterministic replaying API Changes from v0.2.0-rc2: * #146: Reduce CPU consumption * #142: New project name (Earthquake --> Namazu) * #140: Integrate `earthquake-container` to `earthquake` * #139: Support static build * #137: New experimental feature: Semi-deterministic replaying API * #131: New minor feature: Standalone orchestrator * Improvement on docs * Some minor fixes
AkihiroSuda
added a commit
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May 20, 2016
Release Note: http://osrg.github.io/namazu/post/release-0-2-0/ Changes from v0.1.2: * New project name (Earthquake --> Namazu) * New feature: process inspector (useful for reproducing flaky xUnit test failures) * New feature: filesystem inspector (found YARN-4301) * New feature: Container CLI (Docker-like, human-friendly CLI) * New experimental feature: Semi-deterministic replaying API Changes from v0.2.0-rc2: * #146: Reduce CPU consumption * #142: New project name (Earthquake --> Namazu) * #140: Integrate `earthquake-container` to `earthquake` * #139: Support static build * #137: New experimental feature: Semi-deterministic replaying API * #131: New minor feature: Standalone orchestrator * Improvement on docs * Some minor fixes
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AkihiroSuda
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May 20, 2016
Release Note: http://osrg.github.io/namazu/post/release-0-2-0/ Changes from v0.1.2: * New project name (Earthquake --> Namazu) * New feature: process inspector (useful for reproducing flaky xUnit test failures) * New feature: filesystem inspector (found YARN-4301) * New feature: Container CLI (Docker-like, human-friendly CLI) * New experimental feature: Semi-deterministic replaying API Changes from v0.2.0-rc2: * #146: Reduce CPU consumption * #142: New project name (Earthquake --> Namazu) * #140: Integrate `earthquake-container` to `earthquake` * #139: Support static build * #137: New experimental feature: Semi-deterministic replaying API * #131: New minor feature: Standalone orchestrator * Improvement on docs * Some minor fixes
AkihiroSuda
added a commit
that referenced
this pull request
May 20, 2016
Release Note: http://osrg.github.io/namazu/post/release-0-2-0/ Changes from v0.1.2: * New project name (Earthquake --> Namazu) * New feature: process inspector (useful for reproducing flaky xUnit test failures) * New feature: filesystem inspector (found YARN-4301) * New feature: Container CLI (Docker-like, human-friendly CLI) * New experimental feature: Semi-deterministic replaying API Changes from v0.2.0-rc2: * #146: Reduce CPU consumption * #142: New project name (Earthquake --> Namazu) * #140: Integrate `earthquake-container` to `earthquake` * #139: Support static build * #137: New experimental feature: Semi-deterministic replaying API * #131: New minor feature: Standalone orchestrator * Improvement on docs * Some minor fixes
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If event has "replay_hint" hash string (that does not contain time-dependent/random things),
we can semi-deterministically replay a scenario using time.Duration(hash(seed,replay_hint) % maxInterval).
The seed can be set as EQ_REPLAY_SEED.
I tested with example/zk-found-2212.nfqhook/config_replayable_experimental.toml.