Can a User-Space Protocol Stack Balance High Performance and Generality? Our Answer: Both.
summary
A DPDK-based user-space protocol stack called Gaz delivers zero copy packet delivery and a lock free thread-level protocol stack while remaining application-modification-free via LD_PRELOAD. It adds adaptive CPU affinity and per-thread localized resources, runs Redis and MySQL workloads, and reports concrete gains: about 3.5x get and 3.1x set RPS for Redis and roughly 177% tpmC for MySQL; UDP support exists and AF_XDP and multi-process modes are planned.
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chapters (7)
- 0:00Introduction and background
- 3:40Design goals for Gazel
- 8:25Supporting different network models
- 10:40Performance evaluation results
- 11:43Future plans for Gazel
- 13:04Live demo walkthrough
- 17:57Q&A session
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