Ownership: A Distributed Futures System for Fine-Grained Tasks

https://www.usenix.org/conference/nsdi21/presentation/cheng

System Requirements and Challenges

Ownership: Achieving fault tolerance without giving up performance

• Runtime overhead is low: keep metadata local

• Scale: nested function calls

• What's the smallest timescale the system can currently support, and what keeps it from being even shorter?

  • 1ms overhead

  • Data serialization and deserialization

• Continuations? not support. Get the future

  • Submit another task that depends on the previous one

  • Dynamic get