---> uname -a: Linux 15e42010e6c7 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% /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 628 92 0 1116 1106 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) 06/29/20 _x86_64_ (4 CPU) 19:25:27 LINUX RESTART 19:26:03 tps rtps wtps bread/s bwrtn/s 19:27:01 136.28 50.33 85.96 9064.56 28109.57 19:28:01 79.08 22.25 56.83 3649.83 11875.87 Average: 107.21 36.06 71.15 6312.57 19858.94 19:26:03 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:27:01 104736 1776820 94.43 2620 1164560 1258508 42.95 578792 1004580 77608 19:28:01 390096 1491460 79.27 2596 851952 1187236 40.52 632100 655460 38268 Average: 247416 1634140 86.85 2608 1008256 1222872 41.73 605446 830020 57938 19:26:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 19:27:01 eth0 886.22 497.82 4325.61 91.14 0.00 0.00 0.00 19:27:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:27:01 vethefdda33 17.70 36.08 1.50 233.24 0.00 0.00 0.00 19:27:01 docker0 17.70 35.94 1.26 233.23 0.00 0.00 0.00 19:28:01 eth0 1030.28 607.10 909.48 2842.15 0.00 0.00 0.00 19:28:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:28:01 docker0 7.60 16.46 0.51 70.86 0.00 0.00 0.00 Average: eth0 959.44 553.36 2589.39 1489.32 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 12.57 26.04 0.88 150.71 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) 06/29/20 _x86_64_ (4 CPU) 19:25:27 LINUX RESTART 19:26:03 CPU %user %nice %system %iowait %steal %idle 19:27:01 all 20.38 0.00 6.41 2.50 6.77 63.94 19:27:01 0 16.47 0.00 7.28 1.15 7.89 67.21 19:27:01 1 19.12 0.00 6.67 1.87 7.09 65.26 19:27:01 2 24.14 0.00 6.92 4.55 6.55 57.84 19:27:01 3 21.77 0.00 4.78 2.45 5.55 65.45 19:28:01 all 15.29 0.00 4.34 1.28 7.99 71.11 19:28:01 0 21.89 0.00 9.17 1.04 7.55 60.35 19:28:01 1 19.17 0.00 3.22 2.15 8.07 67.38 19:28:01 2 9.17 0.00 1.95 1.62 8.32 78.94 19:28:01 3 11.45 0.00 3.20 0.28 7.96 77.11 Average: all 17.75 0.00 5.34 1.87 7.40 67.65 Average: 0 19.21 0.00 8.24 1.10 7.72 63.74 Average: 1 19.14 0.00 4.89 2.02 7.60 66.35 Average: 2 16.31 0.00 4.32 3.02 7.47 68.88 Average: 3 16.39 0.00 3.96 1.32 6.81 71.53