---> uname -a: Linux f9b594516e5a 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: 2933.442 BogoMIPS: 5866.88 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 642 85 0 1109 1092 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) 07/13/20 _x86_64_ (4 CPU) 15:43:38 LINUX RESTART 15:44:02 tps rtps wtps bread/s bwrtn/s 15:45:02 204.15 69.54 134.61 10129.36 49690.86 15:46:01 92.29 18.39 73.90 3519.32 26324.91 Average: 148.24 43.97 104.27 6825.46 38011.84 15:44:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:45:02 78772 1802784 95.81 2620 1159916 1228556 41.93 573240 1010740 60856 15:46:01 253016 1628540 86.55 2604 1047700 1086156 37.07 847004 606320 2848 Average: 165894 1715662 91.18 2612 1103808 1157356 39.50 710122 808530 31852 15:44:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 15:45:02 veth1eaa9e8 18.43 33.42 1.64 297.91 0.00 0.00 0.00 15:45:02 eth0 1087.61 619.38 4428.64 114.43 0.00 0.00 0.00 15:45:02 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 15:45:02 docker0 18.43 33.29 1.39 297.90 0.00 0.00 0.00 15:46:01 eth0 4120.20 2479.54 5768.54 3083.64 0.00 0.00 0.00 15:46:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:46:01 docker0 0.12 0.08 0.00 0.01 0.00 0.00 0.00 Average: eth0 2587.34 1538.43 5077.20 1597.49 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 9.28 16.69 0.70 149.00 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) 07/13/20 _x86_64_ (4 CPU) 15:43:38 LINUX RESTART 15:44:02 CPU %user %nice %system %iowait %steal %idle 15:45:02 all 21.02 0.00 8.81 7.88 0.03 62.27 15:45:02 0 25.21 0.00 11.79 9.57 0.02 53.42 15:45:02 1 18.71 0.00 7.54 6.02 0.02 67.72 15:45:02 2 19.31 0.00 7.99 6.56 0.03 66.11 15:45:02 3 20.88 0.00 7.93 9.38 0.03 61.78 15:46:01 all 20.78 0.00 7.04 0.92 0.02 71.24 15:46:01 0 19.82 0.00 11.22 0.56 0.02 68.39 15:46:01 1 15.66 0.00 7.39 0.77 0.03 76.14 15:46:01 2 13.94 0.00 4.67 1.09 0.00 80.31 15:46:01 3 33.61 0.00 4.96 1.26 0.02 60.15 Average: all 20.90 0.00 7.93 4.41 0.02 66.74 Average: 0 22.53 0.00 11.50 5.09 0.02 60.85 Average: 1 17.19 0.00 7.46 3.40 0.03 71.92 Average: 2 16.63 0.00 6.34 3.83 0.02 73.18 Average: 3 27.26 0.00 6.44 5.32 0.03 60.96