Conclusions

• Ballista testing quantifies one aspect of robustness

  • Scalable -- base scaffolding on data types, not functions
  • Repeatable -- single-call approach is simple, but effective
  • Portable -- use API for fault injection

• But, it is only a start

  • Tests one aspect of system robustness
  • Currently uses only heuristic tests (want broader coverage in future)

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