---> uname -a: Linux a805590358a2 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% /w/workspace/edgexfoundry_edgex-docs_master /dev/vda1 50.0G 7.8G 42.2G 16% /w/workspace/edgexfoundry_edgex-docs_master@tmp /dev/vda1 50.0G 7.8G 42.2G 16% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1837 635 91 0 1111 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) 06/23/20 _x86_64_ (4 CPU) 18:59:26 LINUX RESTART 19:00:01 tps rtps wtps bread/s bwrtn/s 19:01:01 175.27 48.14 127.14 10298.44 32773.18 19:02:01 185.60 101.11 84.49 7978.96 38715.21 Average: 180.44 74.62 105.82 9138.80 35743.95 19:00:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:01:01 75684 1805872 95.98 2596 1121212 1268964 43.31 652896 930524 87644 19:02:01 170552 1711004 90.94 1492 1096980 1302040 44.44 649832 875864 10752 Average: 123118 1758438 93.46 2044 1109096 1285502 43.87 651364 903194 49198 19:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 19:01:01 eth0 994.94 788.97 3965.32 114.76 0.00 0.00 0.00 19:01:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:01:01 veth466198a 23.48 46.44 1.98 293.68 0.00 0.00 0.00 19:01:01 docker0 23.48 46.31 1.66 293.67 0.00 0.00 0.00 19:02:01 eth0 4009.42 2636.74 7979.32 3081.13 0.00 0.00 0.00 19:02:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:02:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 2502.06 1712.78 5972.15 1597.82 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 11.74 23.16 0.83 146.85 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) 06/23/20 _x86_64_ (4 CPU) 18:59:26 LINUX RESTART 19:00:01 CPU %user %nice %system %iowait %steal %idle 19:01:01 all 17.00 0.00 5.73 4.36 0.02 72.90 19:01:01 0 20.04 0.00 7.78 3.84 0.03 68.31 19:01:01 1 13.25 0.00 3.90 2.33 0.02 80.51 19:01:01 2 14.93 0.00 6.00 4.91 0.02 74.15 19:01:01 3 19.81 0.00 5.24 6.38 0.02 68.55 19:02:01 all 21.61 0.00 6.82 2.36 0.03 69.18 19:02:01 0 40.32 0.00 12.02 0.54 0.02 47.11 19:02:01 1 15.88 0.00 4.97 4.96 0.05 74.14 19:02:01 2 15.90 0.00 5.69 2.00 0.05 76.36 19:02:01 3 14.38 0.00 4.62 1.90 0.02 79.08 Average: all 19.29 0.00 6.27 3.36 0.03 71.05 Average: 0 30.14 0.00 9.89 2.20 0.03 57.75 Average: 1 14.56 0.00 4.43 3.63 0.03 77.34 Average: 2 15.41 0.00 5.85 3.46 0.03 75.24 Average: 3 17.11 0.00 4.93 4.15 0.02 73.79