Global Scale Multi-Cloud, Multi-CDN Load Balancing with C++
summary
Built a production global load balancer called Openmix global load balancer that uses real user monitoring (14 billion measurements per day, ~100 million unique contributors) to steer traffic across multi-cloud and multi-CDN endpoints. Core stack moves from Python to C++11 migration for speed, using liveevent + facebook volley, proxygen, a curl C++ wrapper, v8, BigQuery and ClickHouse. Architecture runs thread-per-core with full per-thread context and minimal locking and achieves 35k–200k decisions/sec, answering DNS in microseconds.
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chapters (8)
- 0:00Introduction
- 0:28Who is it
- 0:50Real User Monitoring
- 1:38RealTime Heat Map
- 1:56Dynamic Infrastructure
- 2:48Infrastructure
- 3:14Technology
- 5:08Challenges
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