Achieving Top Network Performance - Red Hat Summit
Achieving Top Network Performance - Red Hat Summit Achieving Top Network Performance - Red Hat Summit
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13.07.2015
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Take Aways●●●Awareness of the issuesAwareness of toolsGuidelines
Take Aways●You will leave this discussion with:● An understanding of some issues affecting server networkperformance●●Tools to help you evaluate your network performanceSome guidelines to try in your environment
- Page 2 and 3: Achieving Top NetworkPerformanceMar
- Page 6 and 7: Some Quick Disclaimers●●●We d
- Page 8 and 9: Agenda● Why Bother ?●40 gbit, g
- Page 10 and 11: Teaser 1 - Glustereffect of net.cor
- Page 12 and 13: Teaser 3 - latency● Font size 28
- Page 14 and 15: Memory Characteristics●●●Memo
- Page 16 and 17: “Issues” that NUMA makes visibl
- Page 18 and 19: NUMA - Latency[root@perf ~]# numact
- Page 20 and 21: PCI Bus - and related issues●●
- Page 22 and 23: 40 Gbit Gen3 vs 10 Gbit PCI Gen2 la
- Page 24 and 25: CPU Characteristics - Basics●●
- Page 26 and 27: CPU - Performance Governors●echo
- Page 28 and 29: CSTATE default - C7 on this configp
- Page 30 and 31: NPtcp latency vs cstates - c7 vs c0
- Page 32 and 33: RHEL6 “tuned-adm” profiles# tun
- Page 34 and 35: Kernel Bypass Technologies - Pros a
- Page 36 and 37: Offload - Solarflare OpenOnloadAver
- Page 38 and 39: KVM Network ArchitectureVirtioConte
- Page 40 and 41: KVM Network Architecture - vhost_ne
- Page 42 and 43: Latency comparison - RHEL 6Network
- Page 44 and 45: Host CPU Consumption virtio vs vhos
- Page 46 and 47: KVM Network Architecture - PCI Devi
- Page 48 and 49: KVM Network Architecture - SR-IOV
- Page 50 and 51: KVM Architecture - Device Assignmen
- Page 52 and 53: RHEL6 - new features●●●●●
Take Aways●You will leave this discussion with:● An understanding of some issues affecting server networkperformance●●Tools to help you evaluate your network performanceSome guidelines to try in your environment
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