CPU Isolation by Memory Bandwidth
summary
Describes methods for isolating CPU performance based on memory bandwidth in multi-tenant systems. Covers how systems track resource usage (quotas, hard/soft limits) and discusses techniques and challenges for accounting and enforcing limits specifically for memory bandwidth contention.
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chapters (8)
- 0:00Introduction
- 9:05Kubernetes comparison
- 18:37Uneven utilization problem
- 20:01Memory bandwidth
- 28:18Initial attempts
- 33:20NUMA isolation solution
- 36:34Summary and recommendations
- 43:19Q&A
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