---> uname -a: Linux 02aa1abecaf4 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 94 0 1108 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) 06/18/20 _x86_64_ (4 CPU) 21:22:39 LINUX RESTART 21:23:02 tps rtps wtps bread/s bwrtn/s 21:24:01 196.67 71.13 125.54 10319.72 49718.70 21:25:01 97.42 18.91 78.50 3987.08 23385.73 Average: 146.64 44.81 101.83 7127.62 36445.03 21:23:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:24:01 162240 1719316 91.38 2620 1071912 1231924 42.04 567352 955012 50884 21:25:01 70120 1811436 96.27 2596 1231880 1065860 36.38 722536 907748 107620 Average: 116180 1765376 93.83 2608 1151896 1148892 39.21 644944 931380 79252 21:23:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 21:24:01 eth0 961.74 664.11 4331.64 103.22 0.00 0.00 0.00 21:24:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:24:01 veth7f6b4fe 22.59 38.13 1.86 280.69 0.00 0.00 0.00 21:24:01 docker0 22.59 37.99 1.55 280.68 0.00 0.00 0.00 21:25:01 eth0 3585.31 2155.00 5495.77 3009.82 0.00 0.00 0.00 21:25:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:25:01 docker0 1.33 2.45 0.13 18.97 0.00 0.00 0.00 Average: eth0 2284.20 1415.62 4918.44 1568.35 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 11.88 20.08 0.84 148.76 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) 06/18/20 _x86_64_ (4 CPU) 21:22:39 LINUX RESTART 21:23:02 CPU %user %nice %system %iowait %steal %idle 21:24:01 all 21.59 0.00 8.28 7.61 0.16 62.37 21:24:01 0 18.54 0.00 8.91 6.90 0.12 65.53 21:24:01 1 25.87 0.00 8.63 5.88 0.19 59.44 21:24:01 2 22.90 0.00 7.62 9.69 0.12 59.68 21:24:01 3 19.04 0.00 7.94 7.96 0.19 64.86 21:25:01 all 20.47 0.00 6.89 1.45 0.11 71.08 21:25:01 0 40.83 0.00 12.53 2.04 0.05 44.55 21:25:01 1 10.43 0.00 4.71 0.91 0.14 83.82 21:25:01 2 12.41 0.00 5.50 1.72 0.12 80.25 21:25:01 3 18.32 0.00 4.89 1.13 0.12 75.53 Average: all 21.03 0.00 7.58 4.50 0.13 66.76 Average: 0 29.78 0.00 10.73 4.45 0.09 54.95 Average: 1 18.09 0.00 6.65 3.38 0.16 71.72 Average: 2 17.62 0.00 6.55 5.67 0.12 70.03 Average: 3 18.68 0.00 6.41 4.52 0.15 70.24