shak-larry-jeder-perf-and-tuning-summit14-part1-final

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Tuned: Network Latency Performance Boost C-state lock improves determinism, reduces jitter 250 Latency (Microseconds) 200 150 100 50 0 C6 C3 C1 C0
Tuned: Updates for RHEL7 • Installed by default!
Page 1 and 2: Performance Analysis and Tuning - P
Page 3 and 4: Red Hat Enterprise Linux Performanc
Page 5 and 6: RHEL Benchmark platform of choice 2
Page 7 and 8: Tuned for RHEL7 Overview and What's
Page 9 and 10: Yes, but why do I care ?
Page 11: Tuned: Network Throughput Boost 39.
Page 15 and 16: Tuned: Updates for RHEL7 • Re-wri
Page 21 and 22: Tuned: Your Custom Profiles Parents
Page 23 and 24: RHEL7 Features
Page 25 and 26: What is NUMA? •Non Uniform Memory
Page 27 and 28: Per NUMA-Node Resources •Memory z
Page 29 and 30: zone_reclaim_mode •Controls NUMA
Page 31 and 32: Visualize CPUs via lstopo (hwloc rp
Page 33 and 34: RHEL7 Autonuma-Balance Performance
Page 35 and 36: Autonuma-balance and numad aligns p
Page 37 and 38: How to manage NUMA manually •Rese
Page 39 and 40: numastat shows guest memory alignme
Page 41 and 42: Resource Management using cgroups A
Page 43 and 44: Cgroup default mount points RHEL6 #
Page 45 and 46: cgroups # echo 0-3 > cpuset.cpus #
Page 47 and 48: cpu.shares default cpu.shares throt
Page 49 and 50: Cgroup OOMkills # mkdir -p /sys/fs/
Page 51 and 52: Cgroup node migration # cd /sys/fs/
Page 53 and 54: RHEL7 Container Scaling: Subsystems
Page 55 and 56: Cgroup automation with Libvirt and
Page 57 and 58: RHEL Scheduler
Page 59 and 60: Finer Grained Scheduler Tuning •
Page 61 and 62: fork() behavior sched_child_runs_fi
Page 63 and 64:
2MB standard Hugepages # echo 2000
Page 65 and 66:
Transparent Hugepages echo never >
Page 67 and 68:
Helpful Utilities Supportability NU
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