- Page 2 and 3: Achieving Top NetworkPerformanceMar
- Page 4 and 5: Take Aways●●●Awareness of the
- 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●●●●●
- Page 54 and 55: RHEL6 - new features●●Add getso
- Page 56 and 57:
Receive Steering - improved message
- Page 58 and 59:
Tuning Knobs - Overview●●●By
- Page 60 and 61:
sysctl - View and set /proc/sys set
- Page 62 and 63:
sysctl - TCP related settings●TCP
- Page 64 and 65:
Why Bother ? - Teaser 1effect of ne
- Page 67 and 68:
lspci - details# lspci -vvvs 81:00.
- Page 69 and 70:
Why Bother - A quick teaser● ifco
- Page 71 and 72:
Tuning- first pass bottleneck resol
- Page 73 and 74:
Tuning - second pass setup●●●
- Page 75 and 76:
Tuning - irqbalance disabled, netpe
- Page 77 and 78:
Tuning - second pass●mpstat on th
- Page 79 and 80:
Tuning - step 3●Try TCP_SENDFILE#
- Page 81 and 82:
Tuning - checking ethtool -S eth4
- Page 83 and 84:
Tuning - step 4●More buffers# ./n
- Page 85 and 86:
Tuning - sanity check●Sometimes m
- Page 87 and 88:
Throttling - cgroups in Action
- Page 89 and 90:
Cgroup default mount points# cat /e
- Page 91 and 92:
cgroups[root@dhcp1001950 ~]#
- Page 93 and 94:
incorrect bindings![root@dhcp47-183
- Page 95 and 96:
Throttle with cgroups●●memory
- Page 97 and 98:
Network Tuning Tips●Separate netw
- Page 99 and 100:
For More Information - Other talks
- Page 101:
Stay connected through the Red Hat
- Page 104 and 105:
Configuration Tools - System Level
- Page 106 and 107:
sar - some common flags●Some comm