---> uname -a: Linux 29287e817dbb 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: 2933.396 BogoMIPS: 5866.79 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 42.1G 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 42.1G 16% /etc/resolv.conf /dev/vda1 50.0G 7.8G 42.1G 16% /etc/hostname /dev/vda1 50.0G 7.8G 42.1G 16% /etc/hosts /dev/vda1 50.0G 7.8G 42.1G 16% /var/log/sa /dev/vda1 50.0G 7.8G 42.1G 16% /w/workspace/edgexfoundry_edgex-docs_master /dev/vda1 50.0G 7.8G 42.1G 16% /w/workspace/edgexfoundry_edgex-docs_master@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 657 100 0 1079 1077 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) 07/20/20 _x86_64_ (4 CPU) 18:22:23 LINUX RESTART 18:23:01 tps rtps wtps bread/s bwrtn/s 18:24:02 174.46 47.71 126.75 8494.76 31850.22 18:25:01 192.75 108.26 84.48 9675.53 37888.67 Average: 183.56 77.82 105.73 9081.93 34853.03 18:23:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:24:02 70096 1811460 96.27 2620 1141372 1252724 42.75 621548 959004 37000 18:25:01 186484 1695072 90.09 1492 1054116 1296532 44.25 645788 862020 12140 Average: 128290 1753266 93.18 2056 1097744 1274628 43.50 633668 910512 24570 18:23:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 18:24:02 vethdad3ea7 22.17 39.95 1.87 293.57 0.00 0.00 0.00 18:24:02 eth0 1188.93 717.73 4439.70 119.15 0.00 0.00 0.00 18:24:02 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 18:24:02 docker0 22.17 39.82 1.57 293.56 0.00 0.00 0.00 18:25:01 eth0 3992.36 2450.05 8133.30 3072.96 0.00 0.00 0.00 18:25:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:25:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 2567.58 1566.05 6242.72 1586.69 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 11.15 20.02 0.79 147.58 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) 07/20/20 _x86_64_ (4 CPU) 18:22:23 LINUX RESTART 18:23:01 CPU %user %nice %system %iowait %steal %idle 18:24:02 all 18.13 0.00 6.51 3.77 0.02 71.57 18:24:02 0 21.38 0.00 8.66 1.57 0.00 68.39 18:24:02 1 15.89 0.00 5.15 3.52 0.02 75.41 18:24:02 2 19.45 0.00 6.80 4.25 0.02 69.48 18:24:02 3 15.81 0.00 5.42 5.72 0.03 73.02 18:25:01 all 23.68 0.00 7.56 2.40 0.03 66.33 18:25:01 0 24.41 0.00 11.79 2.16 0.03 61.60 18:25:01 1 35.61 0.00 6.40 1.07 0.03 56.88 18:25:01 2 16.91 0.00 6.07 3.76 0.03 73.22 18:25:01 3 17.74 0.00 6.02 2.60 0.02 73.62 Average: all 20.88 0.00 7.03 3.09 0.03 68.98 Average: 0 22.88 0.00 10.20 1.86 0.02 65.04 Average: 1 25.69 0.00 5.77 2.31 0.03 66.21 Average: 2 18.19 0.00 6.44 4.01 0.03 71.33 Average: 3 16.77 0.00 5.72 4.17 0.03 73.32