---> uname -a: Linux 78ae46026df9 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 7.3G 42.7G 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 7.3G 42.7G 15% /etc/resolv.conf /dev/vda1 50.0G 7.3G 42.7G 15% /etc/hostname /dev/vda1 50.0G 7.3G 42.7G 15% /etc/hosts /dev/vda1 50.0G 7.3G 42.7G 15% /var/log/sa-host /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/edgexfoundry_edgex-docs_master /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/edgexfoundry_edgex-docs_master@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 679 128 0 1029 1052 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 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) 09/24/20 _x86_64_ (4 CPU) 12:52:10 LINUX RESTART (4 CPU) 12:53:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:54:01 82.28 31.90 50.38 0.00 6320.12 16820.63 0.00 12:55:01 92.82 20.76 72.06 0.00 1987.20 10065.16 0.00 12:56:01 87.21 47.79 39.42 0.00 5099.14 13426.10 0.00 Average: 87.47 33.48 53.98 0.00 4456.89 13416.22 0.00 12:53:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:54:01 81928 0 602512 32.02 2620 1194496 1563908 53.37 534936 1108368 50528 12:55:01 123164 0 622852 33.10 2620 1132920 1271604 43.40 549216 992864 37108 12:56:01 76560 0 689580 36.65 2620 1112796 1596864 54.50 725440 896340 57752 Average: 93884 0 638315 33.92 2620 1146737 1477459 50.42 603197 999191 48463 12:53:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:54:01 eth0 611.05 497.72 4080.75 80.70 0.00 0.00 0.00 0.00 12:54:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:54:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:55:01 eth0 94.68 61.33 334.12 114.35 0.00 0.00 0.00 0.00 12:55:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:55:01 vethff720e6 14.46 33.69 1.37 292.56 0.00 0.00 0.00 0.00 12:55:01 docker0 14.46 33.56 1.17 292.55 0.00 0.00 0.00 0.00 12:56:01 eth0 923.85 590.75 4381.27 929.61 0.00 0.00 0.00 0.00 12:56:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:56:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 542.54 382.43 2924.00 376.38 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 4.85 11.26 0.39 98.18 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) 09/24/20 _x86_64_ (4 CPU) 12:52:10 LINUX RESTART (4 CPU) 12:53:02 CPU %user %nice %system %iowait %steal %idle 12:54:01 all 13.27 0.00 4.66 2.45 26.86 52.76 12:54:01 0 11.76 0.00 4.97 1.36 29.38 52.53 12:54:01 1 11.46 0.00 4.14 3.90 26.65 53.86 12:54:01 2 14.37 0.00 4.68 2.30 25.32 53.33 12:54:01 3 15.63 0.00 4.88 2.22 26.01 51.25 12:55:01 all 12.73 0.00 3.30 0.82 11.87 71.28 12:55:01 0 16.99 0.00 3.60 0.18 12.71 66.51 12:55:01 1 13.21 0.00 3.73 1.39 12.50 69.17 12:55:01 2 8.89 0.00 2.90 0.98 11.68 75.55 12:55:01 3 11.88 0.00 2.96 0.71 10.58 73.87 12:56:01 all 9.16 0.00 2.73 1.13 15.18 71.81 12:56:01 0 6.70 0.00 2.74 0.89 17.02 72.66 12:56:01 1 9.95 0.00 2.90 0.27 15.32 71.57 12:56:01 2 10.04 0.00 2.70 2.98 13.73 70.55 12:56:01 3 9.98 0.00 2.57 0.41 14.63 72.41 Average: all 11.73 0.00 3.57 1.47 18.01 65.23 Average: 0 11.79 0.00 3.78 0.82 19.81 63.80 Average: 1 11.55 0.00 3.60 1.88 18.22 64.75 Average: 2 11.10 0.00 3.43 2.08 16.93 66.46 Average: 3 12.48 0.00 3.46 1.11 17.03 65.92