Kata Containers Performance Evaluation and Optimization on Arm64
Talkat KubeCon + CloudNativeCon North America 2020 Virtual · on Thursday, 2020-11-19· at 14:55· Intrado Virtual Event Platform,
summary
Kata Containers on Arm64 ships virtiofs 10–20× I/O versus virtio9p, adds nvdimm/persistent memory and kvm ptp, and enables a vm template cloning path that cuts cold boot latency (example reduced from ~117 ms to ~81 ms). Binary size tuning drops runtime by ~20–30% (strip builds ~60%). Network tests show throughput rising from ~11 Gbps to ~15 Gbps after switching congestion control. Real-life runs include nginx, redis and tensorflow; production use reports 1 billion daily pageviews and 50,000 containers per tenant.
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chapters (12)
- 0:00Kata Containers on Arm64
- 1:07Kata Containers architecture
- 6:24Kata status on Arm64
- 9:15Virtual I/O filesystem performance
- 13:37Memory footprint optimization
- 16:10Performance evaluation
- 17:11Boot time optimization
- 22:30Binary size reduction
- 24:07Memory footprint results
- 26:03Network throughput tuning
- 27:49Optimizations summary
- 28:30Use cases and adoption
