---> uname -a: Linux a515483516ee 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 42.1G 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 667 91 0 1078 1066 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) 07/27/20 _x86_64_ (4 CPU) 18:39:25 LINUX RESTART 18:40:01 tps rtps wtps bread/s bwrtn/s 18:41:01 147.43 40.12 107.31 7494.36 31327.82 18:42:01 84.27 18.16 66.11 3813.28 22152.31 Average: 115.85 29.14 86.71 5654.13 26740.83 18:40:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:41:01 79900 1801656 95.75 2620 1126224 1251340 42.71 590900 988792 64412 18:42:01 66300 1815256 96.48 2596 1197356 1090020 37.20 858544 777640 35400 Average: 73100 1808456 96.11 2608 1161790 1170680 39.95 724722 883216 49906 18:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 18:41:01 vethad30fe5 24.80 40.19 2.06 293.83 0.00 0.00 0.00 18:41:01 eth0 1134.05 759.49 4402.22 121.42 0.00 0.00 0.00 18:41:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 18:41:01 docker0 24.80 40.06 1.72 293.82 0.00 0.00 0.00 18:42:01 eth0 2670.88 1779.69 4229.48 2954.03 0.00 0.00 0.00 18:42:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:42:01 docker0 0.10 0.07 0.00 0.01 0.00 0.00 0.00 Average: eth0 1818.99 1227.00 4114.80 1527.98 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 12.45 20.06 0.86 146.94 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) 07/27/20 _x86_64_ (4 CPU) 18:39:25 LINUX RESTART 18:40:01 CPU %user %nice %system %iowait %steal %idle 18:41:01 all 14.90 0.00 5.85 4.39 0.01 74.84 18:41:01 0 15.52 0.00 6.51 1.08 0.02 76.87 18:41:01 1 14.80 0.00 5.67 4.01 0.00 75.53 18:41:01 2 15.67 0.00 6.05 7.56 0.02 70.71 18:41:01 3 13.59 0.00 5.20 4.89 0.00 76.32 18:42:01 all 18.04 0.00 5.61 1.02 0.02 75.31 18:42:01 0 24.83 0.00 6.48 0.78 0.00 67.90 18:42:01 1 18.76 0.00 4.47 0.52 0.03 76.22 18:42:01 2 13.63 0.00 5.43 1.57 0.02 79.36 18:42:01 3 14.99 0.00 6.08 1.23 0.03 77.67 Average: all 16.47 0.00 5.73 2.71 0.01 75.08 Average: 0 20.17 0.00 6.50 0.93 0.01 72.39 Average: 1 16.77 0.00 5.07 2.27 0.02 75.87 Average: 2 14.65 0.00 5.74 4.57 0.02 75.03 Average: 3 14.29 0.00 5.64 3.06 0.02 76.99