---> uname -a: Linux 2e1dcf68f443 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_device-sdk-c_master /dev/vda1 50.0G 7.8G 42.2G 16% /w/workspace/edgexfoundry_device-sdk-c_master@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 773 123 0 941 983 Swap: 1023 1 1022 ---> 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 14: eth0@if15: 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) 07/16/20 _x86_64_ (4 CPU) 16:04:49 LINUX RESTART 16:06:01 tps rtps wtps bread/s bwrtn/s 16:07:01 2.13 0.00 2.13 0.00 45.23 16:08:01 0.30 0.00 0.30 0.00 3.93 16:09:01 0.47 0.00 0.47 0.00 6.78 16:10:01 0.25 0.00 0.25 0.00 2.70 16:11:01 0.30 0.00 0.30 0.00 4.76 16:12:01 0.27 0.02 0.25 0.13 2.86 16:13:01 286.33 153.53 132.81 6970.71 32074.82 Average: 41.45 21.95 19.51 996.31 4593.76 16:06:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:07:01 147848 1733708 92.14 2620 1134736 1072732 36.61 458552 1115368 12 16:08:01 147300 1734256 92.17 2620 1134740 1072856 36.61 459176 1115076 8 16:09:01 146824 1734732 92.20 2620 1134748 1072976 36.62 459904 1115080 8 16:10:01 146136 1735420 92.23 2620 1134748 1072904 36.62 463896 1112188 8 16:11:01 145764 1735792 92.25 2620 1134752 1072892 36.62 464204 1112160 8 16:12:01 146116 1735440 92.23 2620 1134764 1072832 36.61 463652 1112160 12 16:13:01 190568 1690988 89.87 2596 926872 1380304 47.11 518560 908848 36 Average: 152937 1728619 91.87 2617 1105051 1116785 38.11 469706 1084411 13 16:06:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 16:07:01 eth0 0.08 0.08 0.01 0.02 0.00 0.00 0.00 16:07:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:07:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:08:01 eth0 3.73 1.65 2.94 0.11 0.00 0.00 0.00 16:08:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:08:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:09:01 eth0 1.18 0.50 0.33 0.21 0.00 0.00 0.00 16:09:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:09:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:10:01 eth0 0.53 0.30 0.27 0.20 0.00 0.00 0.00 16:10:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:11:01 eth0 0.27 0.17 0.09 0.07 0.00 0.00 0.00 16:11:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:11:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:12:01 eth0 0.23 0.13 0.07 0.01 0.00 0.00 0.00 16:12:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:12:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:13:01 eth0 212.12 157.62 3405.23 69.92 0.00 0.00 0.00 16:13:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:13:01 vethef24963 0.00 0.03 0.00 0.00 0.00 0.00 0.00 16:13:01 docker0 35.82 34.85 2.66 186.35 0.00 0.00 0.00 Average: eth0 31.18 22.93 487.22 10.08 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: vethef24963 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 5.12 4.98 0.38 26.63 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) 07/16/20 _x86_64_ (4 CPU) 16:04:49 LINUX RESTART 16:06:01 CPU %user %nice %system %iowait %steal %idle 16:07:01 all 0.17 0.00 0.04 0.00 0.00 99.79 16:07:01 0 0.02 0.00 0.02 0.00 0.00 99.97 16:07:01 1 0.58 0.00 0.05 0.00 0.00 99.37 16:07:01 2 0.05 0.00 0.05 0.00 0.00 99.90 16:07:01 3 0.02 0.00 0.03 0.00 0.00 99.95 16:08:01 all 0.11 0.00 0.04 0.00 0.00 99.84 16:08:01 0 0.07 0.00 0.05 0.00 0.00 99.88 16:08:01 1 0.32 0.00 0.03 0.00 0.00 99.65 16:08:01 2 0.07 0.00 0.05 0.00 0.00 99.88 16:08:01 3 0.03 0.00 0.03 0.00 0.00 99.93 16:09:01 all 0.16 0.00 0.03 0.00 0.00 99.80 16:09:01 0 0.03 0.00 0.03 0.00 0.00 99.93 16:09:01 1 0.52 0.00 0.03 0.00 0.00 99.45 16:09:01 2 0.03 0.00 0.05 0.00 0.02 99.90 16:09:01 3 0.03 0.00 0.02 0.00 0.00 99.95 16:10:01 all 0.16 0.00 0.04 0.00 0.00 99.80 16:10:01 0 0.05 0.00 0.07 0.00 0.00 99.88 16:10:01 1 0.53 0.00 0.03 0.00 0.00 99.43 16:10:01 2 0.02 0.00 0.03 0.00 0.00 99.95 16:10:01 3 0.05 0.00 0.03 0.00 0.00 99.92 16:11:01 all 0.16 0.00 0.07 0.00 0.00 99.77 16:11:01 0 0.03 0.00 0.02 0.00 0.02 99.93 16:11:01 1 0.52 0.00 0.00 0.00 0.00 99.48 16:11:01 2 0.03 0.00 0.18 0.00 0.00 99.78 16:11:01 3 0.07 0.00 0.05 0.00 0.00 99.88 16:12:01 all 0.16 0.00 0.02 0.00 0.00 99.81 16:12:01 0 0.03 0.00 0.02 0.00 0.00 99.95 16:12:01 1 0.50 0.00 0.03 0.00 0.00 99.47 16:12:01 2 0.05 0.00 0.03 0.00 0.00 99.92 16:12:01 3 0.07 0.00 0.05 0.00 0.02 99.87 16:13:01 all 10.84 0.00 7.08 2.96 0.09 79.03 16:13:01 0 9.74 0.00 6.98 1.76 0.10 81.42 16:13:01 1 10.31 0.00 7.24 3.00 0.10 79.34 16:13:01 2 9.48 0.00 7.06 4.05 0.08 79.32 16:13:01 3 13.80 0.00 7.02 3.05 0.07 76.06 Average: all 1.66 0.00 1.03 0.42 0.01 96.87 Average: 0 1.41 0.00 1.01 0.25 0.02 97.31 Average: 1 1.88 0.00 1.05 0.42 0.01 96.63 Average: 2 1.37 0.00 1.05 0.57 0.01 96.98 Average: 3 1.98 0.00 1.02 0.43 0.01 96.55