A Secure, Fast, and Resource-Efficient Serverless Platform with Function REWIND
summary
REWIND claims to eliminate both memory and file persistence for warm containers while keeping latency near baseline by using kernel-level memory snapshots, targeted copy-on-write that only snapshots pages dirtied for the first time, and a memory-area reuse optimization that avoids repeated mmap/page faults. Prototype runs on OpenWhisk and Linux and evaluation shows REWIND matches baseline latency (vs FK ~100× slower and Groundhog ~90× slower) while adding only ~11% peak memory vs baseline (vs 22–63% and 115–200% for the others).
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chapters (6)
- 0:00Serverless platforms and REWIND
- 3:17Container reuse security issues
- 7:08Function REWIND goals
- 10:00REWIND snapshot and rewind
- 13:55Evaluation vs other schemes
- 17:51Conclusion and open-source
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