---> uname -a: Linux ff260bf48440 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% /var/log/sa /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 ---> free -m: total used free shared buff/cache available Mem: 1837 628 98 0 1110 1106 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) 08/03/20 _x86_64_ (4 CPU) 14:44:34 LINUX RESTART 14:45:01 tps rtps wtps bread/s bwrtn/s 14:46:01 172.87 69.11 103.76 10808.56 29108.97 14:47:02 196.06 109.35 86.70 10481.76 38393.84 Average: 184.44 89.19 95.25 10645.47 33742.54 14:45:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:46:01 75804 1805752 95.97 2620 1100912 1265304 43.18 635176 946808 66688 14:47:02 146644 1734912 92.21 1492 1085300 1489228 50.82 678832 871400 104292 Average: 111224 1770332 94.09 2056 1093106 1377266 47.00 657004 909104 85490 14:45:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 14:46:01 eth0 1049.36 635.81 4335.60 130.52 0.00 0.00 0.00 14:46:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:46:01 vethb29f7cc 19.95 35.77 1.72 292.21 0.00 0.00 0.00 14:46:01 docker0 19.95 35.63 1.45 292.20 0.00 0.00 0.00 14:47:02 eth0 3833.94 2181.08 8022.70 2992.95 0.00 0.00 0.00 14:47:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:47:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 2438.99 1406.97 6175.63 1559.00 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 9.99 17.85 0.73 146.38 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) 14:44:34 LINUX RESTART 14:45:01 CPU %user %nice %system %iowait %steal %idle 14:46:01 all 23.28 0.00 8.01 4.78 0.04 63.90 14:46:01 0 23.29 0.00 8.73 4.55 0.03 63.39 14:46:01 1 21.99 0.00 8.59 2.03 0.05 67.34 14:46:01 2 26.09 0.00 6.85 6.82 0.03 60.20 14:46:01 3 21.75 0.00 7.87 5.70 0.05 64.64 14:47:02 all 21.94 0.00 7.59 3.26 0.03 67.18 14:47:02 0 14.24 0.00 10.84 3.28 0.03 71.61 14:47:02 1 37.25 0.00 5.79 2.42 0.02 54.52 14:47:02 2 21.79 0.00 7.77 4.81 0.07 65.57 14:47:02 3 14.23 0.00 6.01 2.52 0.02 77.22 Average: all 22.61 0.00 7.80 4.02 0.04 65.53 Average: 0 18.82 0.00 9.77 3.92 0.03 67.45 Average: 1 29.61 0.00 7.19 2.22 0.03 60.94 Average: 2 23.95 0.00 7.31 5.82 0.05 62.86 Average: 3 18.00 0.00 6.94 4.12 0.03 70.91