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

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Tuned: Storage Performance Boost 4500 RHEL7 RC 3.10-111 File System In Cache Performance Intel I/O (iozone - geoM 1m-4g, 4k-1m) not tuned tuned 4000 Throughput in MB/Sec 3500 3000 2500 2000 1500 1000 500 0 ext3 ext4 xfs gfs2 Larger is better
Tuned: Network Throughput Boost 39.6Gb/s R7 RC1 Tuned Profile Comparison - 40G Networking 40000 30000 19.7Gb/s Mbit/s 20000 10000 0 balanced throughput-<strong>perf</strong>ormance network-latency network-throughput Larger is better Incorrect Binding Correct Binding Correct Binding (Jumbo)
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: Yes, but why do I care ?
Page 13 and 14: Tuned: Updates for RHEL7 • Instal
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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