---> uname -a: Linux dc1b0efbe257 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: 2933.396 BogoMIPS: 5866.79 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 42.1G 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 42.1G 16% /etc/resolv.conf /dev/vda1 50.0G 7.8G 42.1G 16% /etc/hostname /dev/vda1 50.0G 7.8G 42.1G 16% /etc/hosts /dev/vda1 50.0G 7.8G 42.1G 16% /w/workspace/edgexfoundry_edgex-docs_master /dev/vda1 50.0G 7.8G 42.1G 16% /w/workspace/edgexfoundry_edgex-docs_master@tmp /dev/vda1 50.0G 7.8G 42.1G 16% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1837 616 91 0 1129 1119 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) 07/23/20 _x86_64_ (4 CPU) 21:43:12 LINUX RESTART 21:44:01 tps rtps wtps bread/s bwrtn/s 21:45:01 176.27 47.75 128.52 10581.86 30068.73 21:46:01 257.46 151.96 105.51 10331.84 39798.39 Average: 216.87 99.85 117.02 10456.85 34933.56 21:44:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:45:01 114348 1767208 93.92 2596 1134616 1205956 41.16 665500 896420 65776 21:46:01 109300 1772256 94.19 1492 1155160 1217120 41.54 665552 901688 212 Average: 111824 1769732 94.06 2044 1144888 1211538 41.35 665526 899054 32994 21:44:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 21:45:01 veth4db9de5 21.98 34.96 1.90 293.20 0.00 0.00 0.00 21:45:01 eth0 1314.01 803.46 4457.78 853.45 0.00 0.00 0.00 21:45:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 21:45:01 docker0 21.98 34.83 1.60 293.19 0.00 0.00 0.00 21:46:01 veth8d43213 0.00 0.10 0.00 0.01 0.00 0.00 0.00 21:46:01 eth0 3742.75 2270.69 8007.67 2327.12 0.00 0.00 0.00 21:46:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:46:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth8d43213 0.00 0.05 0.00 0.00 0.00 0.00 0.00 Average: eth0 2528.38 1537.08 6232.73 1590.28 0.00 0.00 0.00 Average: lo 0.06 0.06 0.00 0.00 0.00 0.00 0.00 Average: docker0 10.99 17.42 0.80 146.59 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) 07/23/20 _x86_64_ (4 CPU) 21:43:12 LINUX RESTART 21:44:01 CPU %user %nice %system %iowait %steal %idle 21:45:01 all 16.01 0.00 5.73 3.83 0.01 74.42 21:45:01 0 15.90 0.00 5.53 3.93 0.02 74.63 21:45:01 1 26.72 0.00 8.57 2.36 0.02 62.32 21:45:01 2 11.67 0.00 4.78 7.41 0.02 76.12 21:45:01 3 9.71 0.00 4.02 1.63 0.02 84.63 21:46:01 all 19.96 0.00 8.33 3.90 0.01 67.81 21:46:01 0 14.48 0.00 12.47 4.76 0.00 68.30 21:46:01 1 32.03 0.00 6.31 3.61 0.02 58.03 21:46:01 2 13.61 0.00 7.83 3.30 0.00 75.27 21:46:01 3 19.56 0.00 6.76 3.92 0.02 69.75 Average: all 17.97 0.00 7.02 3.86 0.01 71.14 Average: 0 15.20 0.00 8.96 4.34 0.01 71.49 Average: 1 29.37 0.00 7.45 2.98 0.02 60.18 Average: 2 12.63 0.00 6.30 5.37 0.01 75.70 Average: 3 14.60 0.00 5.38 2.77 0.02 77.24