---> uname -a: Linux 72e78ba2191f 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: 2933.436 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 648 87 0 1100 1086 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) 08/12/20 _x86_64_ (4 CPU) 16:09:14 LINUX RESTART 16:10:02 tps rtps wtps bread/s bwrtn/s 16:11:01 129.32 35.22 94.10 6596.38 30779.90 16:12:01 211.14 116.28 94.86 9350.56 35188.40 Average: 170.56 76.08 94.48 7984.56 33001.90 16:10:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:11:01 108608 1772948 94.23 2620 1133340 1213076 41.40 588828 971712 7900 16:12:01 176256 1705300 90.63 1964 1088516 1205204 41.13 592508 903016 32 Average: 142432 1739124 92.43 2292 1110928 1209140 41.27 590668 937364 3966 16:10:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 16:11:01 veth772b387 25.24 36.85 2.08 298.36 0.00 0.00 0.00 16:11:01 eth0 1137.81 758.96 4310.05 627.39 0.00 0.00 0.00 16:11:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 16:11:01 docker0 25.24 36.71 1.73 298.35 0.00 0.00 0.00 16:12:01 eth0 2458.85 1461.23 7253.44 1836.97 0.00 0.00 0.00 16:12:01 vethb179a64 0.00 0.03 0.00 0.00 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 Average: eth0 1637.86 1031.64 5481.59 1216.31 0.00 0.00 0.00 Average: vethb179a64 0.00 0.02 0.00 0.00 0.00 0.00 0.00 Average: lo 0.06 0.06 0.00 0.00 0.00 0.00 0.00 Average: docker0 12.52 18.21 0.86 147.97 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) 08/12/20 _x86_64_ (4 CPU) 16:09:14 LINUX RESTART 16:10:02 CPU %user %nice %system %iowait %steal %idle 16:11:01 all 16.14 0.00 4.99 2.19 0.11 76.57 16:11:01 0 19.63 0.00 6.63 3.75 0.12 69.88 16:11:01 1 13.42 0.00 4.49 1.47 0.12 80.50 16:11:01 2 20.64 0.00 5.28 1.78 0.10 72.19 16:11:01 3 10.89 0.00 3.59 1.75 0.14 83.63 16:12:01 all 17.38 0.00 6.61 2.58 0.15 73.28 16:12:01 0 14.31 0.00 7.72 1.23 0.14 76.61 16:12:01 1 13.36 0.00 5.40 5.17 0.10 75.97 16:12:01 2 25.83 0.00 7.25 2.78 0.17 63.97 16:12:01 3 15.96 0.00 6.12 1.12 0.17 76.62 Average: all 16.76 0.00 5.80 2.38 0.13 74.92 Average: 0 16.97 0.00 7.17 2.49 0.13 73.24 Average: 1 13.39 0.00 4.95 3.33 0.11 78.23 Average: 2 23.25 0.00 6.28 2.28 0.14 68.05 Average: 3 13.44 0.00 4.86 1.44 0.15 80.11