~/talk

Deploying User-space TCP at Cloud Scale with LUNA

on YouTube 19m
Talkat USENIX ATC '23 · 2023-07-10..07-12· [networking]

speakers

name:Lingjun Zhu
links:none on file
name:Yifan Shen
links:none on file
name:Erci Xu
linkedin:ercixu
name:Bo Shi
website:https://scholar.google.com/citations?user=jC22VgkAAAAJ&hl=en
name:Ting Fu
links:none on file
name:Shu Ma
links:none on file
name:Shuguang Chen
links:none on file
name:Zhongyu Wang
links:none on file
name:Haonan Wu
links:none on file
name:Xingyu Liao
links:none on file
name:Zhendan Yang
links:none on file
name:Zhongqing Chen
links:none on file
name:Wei Lin
links:none on file
name:Yijun Hou
links:none on file
name:Rong Liu
links:none on file
name:Chao Shi
links:none on file
name:Jiaji Zhu
links:none on file
name:Jiesheng Wu
links:none on file

resources

video:https://youtu.be/TK1vEDOopX4
slides:none on file

summary

LUNA is a user-space TCP libOS built with DPDK and SR-IOV/flow-steering that runs on a run-to-completion model (batch and inline r2c), a user-space slab/Z-buffer for zero-copy handoff, and netlink sync to coexist with kernel TCP. Deployed since 2018 in Alibaba Cloud storage, it reports up to 3.5× throughput and up to 53% latency reduction in microbenchmarks, 50% higher EBS throughput in production, and 50–68% lower tail latency for table services.

AI-written summary · about

chapters (6)

  1. 0:00Introduction
  2. 0:34LUNA Cloud Storage
  3. 5:32LUNA Architecture
  4. 10:52Performance Evaluation
  5. 12:17Lessons Design Choices
  6. 17:46Conclusion

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