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November 18, 2019 | San Diego, California
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Monday, November 18 • 1:19pm - 1:26pm
Unlucky Simulation - Andrew Noyes, Snowflake Computing

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Foundationdb's correctness testing involves using a fair PRNG in a simulation to make decisions that the application cannot control such as when messages get delivered, when machines reboot, and when processes crash. The idea is that with a sufficiently large number of simulations we achieve adequate code coverage. However, most of these simulations do not actually increase code coverage.

In this talk, we evaluate the use of a coverage-guided fuzzer as a "random" number generator for simulation and compare the compute resources required for catching rare bugs.

Speakers
AN

Andrew Noyes

Software Engineer, Snowflake Computing
Andrew is a software engineer working at Snowflake Computing on FoundationDB development.



Monday November 18, 2019 1:19pm - 1:26pm PST
Grand Ballroom 5
  Lightning Talk
  • Session Slides Included Yes