---> uname -a: Linux a5d160e85aba 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 7.8G 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_edgex-docs_PR-210 /dev/vda1 50.0G 7.8G 42.2G 16% /w/workspace/edgexfoundry_edgex-docs_PR-210@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 667 105 0 1063 1065 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) 08/03/20 _x86_64_ (4 CPU) 11:28:29 LINUX RESTART 11:29:02 tps rtps wtps bread/s bwrtn/s 11:30:01 134.82 50.92 83.90 7791.45 40263.41 11:31:01 102.63 31.71 70.92 5426.45 13703.74 11:32:02 192.37 118.20 74.17 8119.29 21521.91 Average: 143.37 67.08 76.29 7109.93 25082.01 11:29:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:30:01 73876 1807680 96.07 2620 1181592 1518176 51.81 561832 1073888 62136 11:31:01 83504 1798052 95.56 2596 1146920 1240780 42.35 688612 903392 35120 11:32:02 157344 1724212 91.64 1492 1053624 1459176 49.80 633780 889508 36 Average: 104908 1776648 94.42 2236 1127379 1406044 47.99 628075 955596 32431 11:29:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 11:30:01 eth0 765.59 391.52 4117.48 74.72 0.00 0.00 0.00 11:30:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:31:01 eth0 201.15 141.14 361.90 623.67 0.00 0.00 0.00 11:31:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:31:01 veth1b14e00 31.59 52.12 2.50 294.21 0.00 0.00 0.00 11:31:01 docker0 31.59 51.99 2.07 294.20 0.00 0.00 0.00 11:32:02 eth0 582.53 373.45 2447.04 2211.52 0.00 0.00 0.00 11:32:02 veth9dee4ce 0.00 0.02 0.00 0.00 0.00 0.00 0.00 11:32:02 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 11:32:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 515.21 301.65 2299.68 975.80 0.00 0.00 0.00 Average: veth9dee4ce 0.00 0.01 0.00 0.00 0.00 0.00 0.00 Average: lo 0.04 0.04 0.00 0.00 0.00 0.00 0.00 Average: docker0 10.57 17.40 0.69 98.47 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) 08/03/20 _x86_64_ (4 CPU) 11:28:29 LINUX RESTART 11:29:02 CPU %user %nice %system %iowait %steal %idle 11:30:01 all 14.97 0.00 6.71 4.42 17.03 56.86 11:30:01 0 11.72 0.00 6.05 5.83 19.95 56.45 11:30:01 1 18.85 0.00 7.89 3.23 16.01 54.02 11:30:01 2 15.07 0.00 6.63 5.60 16.65 56.05 11:30:01 3 14.27 0.00 6.29 3.04 15.42 60.98 11:31:01 all 12.60 0.00 2.69 1.88 9.83 73.00 11:31:01 0 8.38 0.00 1.92 0.57 10.26 78.87 11:31:01 1 16.78 0.00 3.94 2.04 9.65 67.60 11:31:01 2 16.41 0.00 2.99 2.96 9.95 67.69 11:31:01 3 9.13 0.00 1.94 1.97 9.46 77.49 11:32:02 all 8.21 0.00 3.06 2.61 21.81 64.31 11:32:02 0 7.05 0.00 2.51 1.46 25.15 63.84 11:32:02 1 7.47 0.00 2.79 3.24 22.52 63.98 11:32:02 2 10.76 0.00 3.97 4.69 18.43 62.14 11:32:02 3 7.70 0.00 3.01 1.16 20.89 67.22 Average: all 11.83 0.00 4.10 2.95 16.31 64.81 Average: 0 8.97 0.00 3.45 2.56 18.59 66.43 Average: 1 14.19 0.00 4.81 2.84 16.21 61.94 Average: 2 14.03 0.00 4.50 4.41 15.04 62.03 Average: 3 10.26 0.00 3.69 2.03 15.31 68.71