---> uname -a: Linux cbd2f00db3e2 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: 2933.436 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 654 88 0 1095 1081 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) 08/04/20 _x86_64_ (4 CPU) 16:02:07 LINUX RESTART 16:03:01 tps rtps wtps bread/s bwrtn/s 16:04:01 155.98 47.26 108.72 9206.19 33509.65 16:05:01 113.91 60.40 53.52 6169.72 24659.63 Average: 134.93 53.83 81.10 7686.94 29081.70 16:03:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:04:01 96528 1785028 94.87 2620 1136788 1215808 41.49 673740 900892 7644 16:05:01 73888 1807668 96.07 2588 1133944 1509708 51.52 747548 871076 100456 Average: 85208 1796348 95.47 2604 1135366 1362758 46.51 710644 885984 54050 16:03:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 16:04:01 eth0 624.88 421.45 1902.07 998.84 0.00 0.00 0.00 16:04:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:04:01 veth252fe89 22.60 33.22 1.93 295.38 0.00 0.00 0.00 16:04:01 docker0 22.60 33.08 1.62 295.37 0.00 0.00 0.00 16:05:01 eth0 2925.73 1613.58 7682.50 1818.94 0.00 0.00 0.00 16:05:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:05:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 1776.07 1017.91 4794.21 1409.16 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 11.29 16.53 0.81 147.58 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) 08/04/20 _x86_64_ (4 CPU) 16:02:07 LINUX RESTART 16:03:01 CPU %user %nice %system %iowait %steal %idle 16:04:01 all 16.83 0.00 5.02 2.88 0.12 75.15 16:04:01 0 12.60 0.00 5.43 5.95 0.12 75.90 16:04:01 1 11.34 0.00 4.23 1.13 0.08 83.22 16:04:01 2 19.51 0.00 5.37 2.91 0.12 72.09 16:04:01 3 23.86 0.00 5.05 1.52 0.15 69.42 16:05:01 all 16.01 0.00 5.59 1.90 0.17 76.33 16:05:01 0 12.60 0.00 6.40 1.52 0.16 79.33 16:05:01 1 14.30 0.00 5.21 2.16 0.22 78.11 16:05:01 2 24.45 0.00 5.28 1.40 0.17 68.70 16:05:01 3 12.62 0.00 5.50 2.50 0.15 79.23 Average: all 16.42 0.00 5.31 2.39 0.15 75.74 Average: 0 12.60 0.00 5.91 3.75 0.14 77.60 Average: 1 12.82 0.00 4.72 1.65 0.15 80.67 Average: 2 21.98 0.00 5.32 2.16 0.14 70.39 Average: 3 18.25 0.00 5.27 2.01 0.15 74.32