---> uname -a: Linux 888e3a3410a1 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 7.5G 42.4G 15% / 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 7.5G 42.4G 15% /etc/resolv.conf /dev/vda1 50.0G 7.5G 42.4G 15% /etc/hostname /dev/vda1 50.0G 7.5G 42.4G 15% /etc/hosts /dev/vda1 50.0G 7.5G 42.4G 15% /var/log/sa-host /dev/vda1 50.0G 7.5G 42.4G 15% /w/workspace/edgexfoundry_device-sdk-c_master /dev/vda1 50.0G 7.5G 42.4G 15% /w/workspace/edgexfoundry_device-sdk-c_master@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 768 122 0 947 991 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) 09/07/20 _x86_64_ (4 CPU) 13:00:09 LINUX RESTART (4 CPU) 13:01:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:02:01 27.55 11.92 15.63 0.00 4509.99 2426.95 0.00 13:03:01 1.53 0.00 1.53 0.00 0.00 28.65 0.00 13:04:01 0.22 0.00 0.22 0.00 0.00 2.58 0.00 13:05:01 0.20 0.00 0.20 0.00 0.00 2.18 0.00 13:06:01 0.18 0.00 0.18 0.00 0.00 2.25 0.00 13:07:01 123.31 61.56 61.75 0.00 2809.98 20870.43 0.00 Average: 25.52 12.26 13.26 0.00 1220.66 3891.61 0.00 13:01:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:02:01 173368 0 586996 31.20 2612 1118580 1110636 37.90 433580 1113116 20 13:03:01 178164 0 582192 30.94 2612 1118588 1073972 36.65 432196 1109904 20 13:04:01 177940 0 582412 30.95 2612 1118592 1074128 36.66 434904 1107944 16 13:05:01 176380 0 583972 31.04 2612 1118592 1074176 36.66 436972 1107344 16 13:06:01 176104 0 584240 31.05 2612 1118600 1074224 36.66 443940 1100916 12 13:07:01 73976 0 745628 39.63 2612 1059340 1499880 51.19 538404 1029580 91736 Average: 159322 0 610907 32.47 2612 1108715 1151169 39.29 453333 1094801 15303 13:01:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:02:01 eth0 145.14 104.93 466.64 59.41 0.00 0.00 0.00 0.00 13:02:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:02:01 docker0 8.04 5.36 0.90 20.22 0.00 0.00 0.00 0.00 13:03:01 eth0 1.05 0.12 0.09 0.18 0.00 0.00 0.00 0.00 13:03:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:03:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:04:01 eth0 1.80 0.52 0.62 0.39 0.00 0.00 0.00 0.00 13:04:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:04:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:05:01 eth0 1.92 0.58 0.65 0.33 0.00 0.00 0.00 0.00 13:05:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:05:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:06:01 eth0 0.63 0.57 0.37 0.31 0.00 0.00 0.00 0.00 13:06:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:06:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:07:01 eth0 374.03 319.85 3223.50 29.46 0.00 0.00 0.00 0.00 13:07:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:07:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 87.48 71.14 615.75 15.02 0.00 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 1.34 0.89 0.15 3.37 0.00 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) 09/07/20 _x86_64_ (4 CPU) 13:00:09 LINUX RESTART (4 CPU) 13:01:01 CPU %user %nice %system %iowait %steal %idle 13:02:01 all 3.24 0.00 1.89 0.66 0.02 94.20 13:02:01 0 3.17 0.00 2.34 1.44 0.03 93.02 13:02:01 1 3.59 0.00 1.62 0.84 0.02 93.93 13:02:01 2 3.09 0.00 1.54 0.27 0.02 95.09 13:02:01 3 3.11 0.00 2.04 0.08 0.02 94.75 13:03:01 all 0.15 0.00 0.05 0.00 0.00 99.80 13:03:01 0 0.05 0.00 0.05 0.00 0.00 99.90 13:03:01 1 0.25 0.00 0.07 0.00 0.00 99.68 13:03:01 2 0.27 0.00 0.05 0.00 0.00 99.68 13:03:01 3 0.03 0.00 0.05 0.00 0.00 99.92 13:04:01 all 0.18 0.00 0.04 0.00 0.00 99.77 13:04:01 0 0.03 0.00 0.02 0.00 0.00 99.95 13:04:01 1 0.55 0.00 0.02 0.00 0.00 99.43 13:04:01 2 0.08 0.00 0.10 0.00 0.02 99.80 13:04:01 3 0.05 0.00 0.03 0.00 0.00 99.92 13:05:01 all 0.15 0.00 0.04 0.00 0.00 99.80 13:05:01 0 0.03 0.00 0.07 0.00 0.00 99.90 13:05:01 1 0.52 0.00 0.03 0.00 0.00 99.45 13:05:01 2 0.05 0.00 0.03 0.00 0.02 99.90 13:05:01 3 0.02 0.00 0.03 0.00 0.00 99.95 13:06:01 all 0.18 0.00 0.06 0.00 0.00 99.76 13:06:01 0 0.08 0.00 0.03 0.00 0.00 99.88 13:06:01 1 0.52 0.00 0.02 0.00 0.00 99.47 13:06:01 2 0.07 0.00 0.05 0.00 0.00 99.88 13:06:01 3 0.03 0.00 0.15 0.00 0.00 99.82 13:07:01 all 6.45 0.00 4.44 0.67 0.05 88.39 13:07:01 0 5.90 0.00 5.00 1.44 0.03 87.63 13:07:01 1 6.96 0.00 3.86 0.08 0.07 89.03 13:07:01 2 6.64 0.00 4.49 0.59 0.05 88.23 13:07:01 3 6.29 0.00 4.40 0.57 0.07 88.67 Average: all 1.71 0.00 1.08 0.22 0.01 96.97 Average: 0 1.53 0.00 1.24 0.48 0.01 96.74 Average: 1 2.05 0.00 0.93 0.15 0.01 96.85 Average: 2 1.69 0.00 1.04 0.14 0.02 97.12 Average: 3 1.58 0.00 1.11 0.11 0.01 97.19