---> uname -a: Linux 894cfff23321 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 7.7G 42.3G 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 7.7G 42.3G 15% /etc/resolv.conf /dev/vda1 50.0G 7.7G 42.3G 15% /etc/hostname /dev/vda1 50.0G 7.7G 42.3G 15% /etc/hosts /dev/vda1 50.0G 7.7G 42.3G 15% /var/log/sa /dev/vda1 50.0G 7.7G 42.3G 15% /w/workspace/edgexfoundry_edgex-docs_master /dev/vda1 50.0G 7.7G 42.3G 15% /w/workspace/edgexfoundry_edgex-docs_master@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 670 97 0 1069 1064 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) 08/27/20 _x86_64_ (4 CPU) 11:06:08 LINUX RESTART 11:07:01 tps rtps wtps bread/s bwrtn/s 11:08:01 93.29 26.35 66.94 5667.52 22238.33 11:09:01 68.18 14.42 53.76 1645.19 5819.52 11:10:01 32.31 9.91 22.40 752.51 11396.57 Average: 64.60 16.90 47.71 2688.94 13151.96 11:07:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:08:01 102208 1779348 94.57 2620 1202316 1325828 45.25 504968 1094532 20 11:09:01 106444 1775112 94.34 2620 1155868 1310672 44.73 577660 977016 68660 11:10:01 149844 1731712 92.04 2620 1125860 1225300 41.82 758160 789964 99176 Average: 119499 1762057 93.65 2620 1161348 1287267 43.93 613596 953837 55952 11:07:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 11:08:01 eth0 656.54 367.70 3807.73 74.47 0.00 0.00 0.00 11:08:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:08:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:09:01 veth06f1f4d 18.29 41.77 1.64 293.13 0.00 0.00 0.00 11:09:01 eth0 873.95 519.29 4231.60 677.51 0.00 0.00 0.00 11:09:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 11:09:01 docker0 18.29 41.63 1.39 293.12 0.00 0.00 0.00 11:10:01 eth0 962.17 593.61 4107.61 986.10 0.00 0.00 0.00 11:10:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 598.34 364.62 2755.88 553.70 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 6.10 13.88 0.46 97.73 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) 08/27/20 _x86_64_ (4 CPU) 11:06:08 LINUX RESTART 11:07:01 CPU %user %nice %system %iowait %steal %idle 11:08:01 all 10.04 0.00 4.26 2.26 27.96 55.47 11:08:01 0 7.45 0.00 3.87 1.52 30.51 56.65 11:08:01 1 10.70 0.00 4.23 3.59 27.75 53.72 11:08:01 2 9.67 0.00 4.32 1.98 26.94 57.09 11:08:01 3 12.52 0.00 4.64 1.96 26.53 54.36 11:09:01 all 12.29 0.00 2.65 0.56 16.81 67.69 11:09:01 0 14.38 0.00 3.52 0.98 21.28 59.85 11:09:01 1 14.28 0.00 2.78 0.35 16.78 65.81 11:09:01 2 17.35 0.00 3.35 0.60 15.44 63.26 11:09:01 3 3.50 0.00 1.01 0.30 13.81 81.38 11:10:01 all 8.48 0.00 1.97 0.28 21.80 67.46 11:10:01 0 10.14 0.00 2.45 0.14 26.47 60.80 11:10:01 1 5.35 0.00 1.21 0.49 20.32 72.63 11:10:01 2 9.94 0.00 2.09 0.43 20.06 67.48 11:10:01 3 8.67 0.00 2.18 0.06 20.36 68.73 Average: all 10.27 0.00 2.96 1.04 22.21 63.52 Average: 0 10.60 0.00 3.29 0.89 26.16 59.07 Average: 1 10.04 0.00 2.73 1.48 21.64 64.10 Average: 2 12.30 0.00 3.26 1.02 20.87 62.54 Average: 3 8.15 0.00 2.58 0.76 20.12 68.40