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Product direction and feature disclaimer
- 2. Disclaimer The information in this presentation is intended to outline our general product direction and should not be relied on in making a purchasing decision. It is for informational purposes only and may not be incorporated into any contract. • This presentation may contain product features or functionality that are currently under development. • This overview of new technology represents no commitment from VMware to deliver these features in any generally available product. • Features are subject to change, and must not be included in contracts, purchase orders, or sales agreements of any kind. • Technical feasibility and market demand will affect final delivery. • Pricing and packaging for any new features/functionality/technology discussed or presented, have not been determined. • This information is confidential.
- 3. © Heraflux Technologies® 3 @kleegeek davidklee.net heraflux.com linkedin.com/in/davidaklee Specialties / Focus Areas / Passions: • Performance Tuning & Troubleshooting • Virtualization • Cloud Enablement • Infrastructure Architecture • Health & Efficiency • Capacity Management Founder & Chief Exorcist
- 5. UNCORE LAST LEVEL CACHE (Shared) CORE L1 CACHE MEMCONTROLLER L2 CACHE CORE L1 CACHE L2 CACHE CORE L1 CACHE L2 CACHE CORE L1 CACHE L2 CACHE © Heraflux Technologies® 5
- 6. (Img src: http://bit.ly/2tJU98k) © Heraflux Technologies® 6
- 7. (Img src: http://bit.ly/2tJU98k) © Heraflux Technologies® 7
- 8. (Img src: http://bit.ly/2tJU98k) © Heraflux Technologies® 8
- 9. How Many Do You Need? • “Right-sizing” analysis • Size for now, not future • Want target CPU utilization 40-60% during routine business operations • Leave headroom for short-term growth • Resize VM as necessary © Heraflux Technologies® 9
- 10. © Heraflux Technologies® 10 1x12 CPU / 128GB Socket 1x12 CPU / 128GB Socket VM 1x10 / 64GB vCPUs VM 2x8 / 128GB vCPUs vCPUs
- 12. vCPUTASKEXECUTIONONpCPUS vCPUTASKSUBMISSIONTOQUEUES VM (1x8) VM (2x8) VM (2x6) VM (4x3) VM (16x1) VM Host VCPU0 READY TO RUN QUEUE VCPU1 READY TO RUN QUEUE VCPU2 READY TO RUN QUEUE VCPU3 READY TO RUN QUEUE VCPU4 READY TO RUN QUEUE VCPU5 READY TO RUN QUEUE VCPU6 READY TO RUN QUEUE VCPU7 READY TO RUN QUEUE © Heraflux Technologies® 12
- 13. VMware – CPU Ready Time • Measured in milliseconds • Sum total value or individual core values • Fixed 20-second sample interval • (Sum total / # cores / 20000ms) * 100% • (Per core total / 20000ms) * 100% • = Avg. percent perf loss • http://bit.ly/2vtBXNR © Heraflux Technologies® 13
- 14. vCPUTASKEXECUTIONONpCPUS vCPUTASKSUBMISSIONTOQUEUES VM (1x8) VM Host (2x8) READY TO RUN QUEUE READY TO RUN QUEUE READY TO RUN QUEUE READY TO RUN QUEUE READY TO RUN QUEUE READY TO RUN QUEUE READY TO RUN QUEUE READY TO RUN QUEUE MaxDOP=4 © Heraflux Technologies® 14
- 15. VMware – Co-Stop • Measured in milliseconds • Sum total value or individual core values • Fixed 20-second sample interval • Look for sustained stretches • http://bit.ly/2g9SCUu © Heraflux Technologies® 15
- 16. © Heraflux Technologies® 16
- 17. 1x12 CPU / 128GB Socket 1x12 CPU / 128GB Socket VM 2x8 / 128GB vCPUs vCPUs MaxDOP = 8 DB BIG QUERY © Heraflux Technologies® 17
- 18. © Heraflux Technologies® 18 @kleegeek davidklee.net heraflux.com linkedin.com/in/davidaklee
Editor's Notes
- Start with the coffee cup / vnx fiber issue story
- Cpu architecture Uncore is a collection of components of a CPU that do not carry out core computational tasks but are essential for core performance, such as power management, interface to I/O devices, and memory controller. L3 cache, or last level cache, is shared between all of the active cores.
- Cpu architecture
- Cpu architecture
- Cpu architecture
- How many vCPUs do you NEED?
- Lots of these things all together, either on prem through virtualization, or in the cloud, extends the system on a massive scale I’ve seen 19 to 1 overcommit. It’s not pretty.
- VM is too big & all resources not getting used Too much background activity (cpu overcommit) VM mis-alignment with pNUMA
- VM is too big & all resources not getting used Too much background activity (cpu overcommit) VM mis-alignment with pNUMA