---> uname -a: Linux 0c125748cddc 3.10.0-1127.el7.x86_64 #1 SMP Tue Mar 31 23:36:51 UTC 2020 x86_64 Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Byte Order: Little Endian Address sizes: 40 bits physical, 48 bits virtual CPU(s): 4 On-line CPU(s) list: 0-3 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 NUMA node(s): 1 Vendor ID: GenuineIntel CPU family: 6 Model: 44 Model name: Westmere E56xx/L56xx/X56xx (IBRS update) Stepping: 1 CPU MHz: 2933.438 BogoMIPS: 5866.87 Virtualization: VT-x Hypervisor vendor: KVM Virtualization type: full L1d cache: 128 KiB L1i cache: 128 KiB L2 cache: 16 MiB L3 cache: 64 MiB NUMA node0 CPU(s): 0-3 Vulnerability Itlb multihit: KVM: Mitigation: Split huge pages Vulnerability L1tf: Mitigation; PTE Inversion; VMX conditional cache flushes, SMT disabled Vulnerability Mds: Vulnerable: Clear CPU buffers attempted, no microcode; SMT Host state unknown Vulnerability Meltdown: Mitigation; PTI Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp Vulnerability Spectre v1: Mitigation; Load fences, usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Full retpoline, IBPB Vulnerability Tsx async abort: Not affected Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ss syscall nx pdpe1gb rdtscp lm constant_tsc rep_good nopl xtopology eagerfpu pni pclmulqdq vmx ssse3 cx16 pcid sse4_1 sse4_2 x2apic popcnt tsc_deadline_timer aes hypervisor lahf_lm ssbd ibrs ibpb stibp tpr_shadow vnmi flexpriority ept vpid tsc_adjust arat spec_ctrl intel_stibp ---> nproc: 4 ---> df -h: Filesystem Size Used Available Use% Mounted on overlay 50.0G 7.8G 42.2G 16% / tmpfs 64.0M 0 64.0M 0% /dev tmpfs 918.7M 0 918.7M 0% /sys/fs/cgroup shm 64.0M 0 64.0M 0% /dev/shm /dev/vda1 50.0G 7.8G 42.2G 16% /etc/resolv.conf /dev/vda1 50.0G 7.8G 42.2G 16% /etc/hostname /dev/vda1 50.0G 7.8G 42.2G 16% /etc/hosts /dev/vda1 50.0G 7.8G 42.2G 16% /var/log/sa /dev/vda1 50.0G 7.8G 42.2G 16% /w/workspace/edgexfoundry_edgex-docs_master /dev/vda1 50.0G 7.8G 42.2G 16% /w/workspace/edgexfoundry_edgex-docs_master@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 635 86 0 1115 1100 Swap: 1023 2 1021 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever 6: eth0@if7: mtu 1458 qdisc noqueue state UP link/ether 02:42:0a:fa:00:01 brd ff:ff:ff:ff:ff:ff inet 10.250.0.1/24 brd 10.250.0.255 scope global eth0 valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 3.10.0-1127.el7.x86_64 (centos-7-docker-5eb134fb-50d3-af0a-1802-9f6851a35141.vexxhost.lo) 06/08/20 _x86_64_ (4 CPU) 06:06:08 LINUX RESTART 06:07:01 tps rtps wtps bread/s bwrtn/s 06:08:01 170.74 47.08 123.66 10290.30 33275.90 06:09:01 230.18 133.33 96.86 8882.13 39337.79 Average: 200.47 90.21 110.26 9586.16 36307.10 06:07:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:08:01 105420 1776136 94.40 2596 1137912 1206464 41.17 630544 934812 64612 06:09:01 85396 1796160 95.46 1492 1142632 1739780 59.38 655532 933828 16 Average: 95408 1786148 94.93 2044 1140272 1473122 50.28 643038 934320 32314 06:07:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 06:08:01 veth138f10a 35.15 43.25 2.77 293.52 0.00 0.00 0.00 06:08:01 eth0 995.99 620.70 4326.37 501.68 0.00 0.00 0.00 06:08:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 06:08:01 docker0 35.15 43.12 2.29 293.51 0.00 0.00 0.00 06:09:01 vethbd7547c 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:09:01 vetha28fbf0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:09:01 eth0 4314.18 2668.54 12173.58 3102.98 0.00 0.00 0.00 06:09:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 Average: vethbd7547c 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: vetha28fbf0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 2157.27 1334.38 6087.30 1551.62 0.00 0.00 0.00 Average: lo 0.06 0.06 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 3.10.0-1127.el7.x86_64 (centos-7-docker-5eb134fb-50d3-af0a-1802-9f6851a35141.vexxhost.lo) 06/08/20 _x86_64_ (4 CPU) 06:06:08 LINUX RESTART 06:07:01 CPU %user %nice %system %iowait %steal %idle 06:08:01 all 15.15 0.00 5.61 3.87 0.02 75.36 06:08:01 0 11.03 0.00 5.00 4.54 0.03 79.39 06:08:01 1 12.30 0.00 4.67 2.48 0.03 80.51 06:08:01 2 12.07 0.00 5.10 6.44 0.00 76.39 06:08:01 3 25.19 0.00 7.64 2.03 0.02 65.12 06:09:01 all 19.92 0.00 7.79 3.14 0.06 69.09 06:09:01 0 21.37 0.00 11.20 2.99 0.05 64.39 06:09:01 1 16.51 0.00 6.53 3.43 0.05 73.49 06:09:01 2 25.93 0.00 6.35 3.59 0.07 64.07 06:09:01 3 15.86 0.00 7.10 2.54 0.07 74.43 Average: all 17.52 0.00 6.69 3.51 0.04 72.25 Average: 0 16.16 0.00 8.07 3.77 0.04 71.95 Average: 1 14.39 0.00 5.59 2.95 0.04 77.02 Average: 2 18.97 0.00 5.72 5.02 0.03 70.26 Average: 3 20.56 0.00 7.37 2.28 0.04 69.74