Walmart Open Source and Edge Computing
summary
Walmart open-sources L3AF & eLB (an eBPF lifecycle and package effort) and is releasing an eBPF-based load balancer XLB with health checks, DSR, rate/connection limiting and agent packaging; work replaces L4 balancers in private cloud. A CDN-edge queuing system holds customers in a waiting/purchasing flow with timers and guaranteed item allocation, letting the site survive short spikes of 50–100x traffic without impractical pre-scaling; deployed during last holiday season and reported as successful.
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chapters (8)
- 0:00Intro
- 0:21Supporting Communities
- 2:13Walmart In Tech
- 3:49Walmart Open Source - L3AF
- 5:46xLB - BPF Based Load Balancer
- 7:43Edge Computing - Queuing
- 10:52Queuing - Better Customer Experience
- 12:52How Queuing Helped Walmart
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