---> uname -a: Linux c0383a7d3eef 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% /w/workspace/edgexfoundry_edgex-docs_PR-210 /dev/vda1 50.0G 7.8G 42.2G 16% /w/workspace/edgexfoundry_edgex-docs_PR-210@tmp /dev/vda1 50.0G 7.8G 42.2G 16% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1837 639 101 0 1096 1093 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) 14:33:59 LINUX RESTART 14:35:01 tps rtps wtps bread/s bwrtn/s 14:36:01 108.34 33.06 75.28 6800.00 25331.25 14:37:01 56.41 15.00 41.41 3602.39 9839.83 Average: 82.38 24.03 58.35 5201.46 17586.83 14:35:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:36:01 73276 1808280 96.11 2620 1161220 1325248 45.23 622184 994688 54980 14:37:01 104356 1777200 94.45 2596 1157232 1265380 43.19 784000 784568 1440 Average: 88816 1792740 95.28 2608 1159226 1295314 44.21 703092 889628 28210 14:35:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 14:36:01 eth0 650.23 369.52 3686.44 58.42 0.00 0.00 0.00 14:36:01 veth3084f8d 11.35 25.76 1.05 222.65 0.00 0.00 0.00 14:36:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 14:36:01 docker0 11.35 25.63 0.90 222.64 0.00 0.00 0.00 14:37:01 eth0 558.14 391.56 225.97 2600.90 0.00 0.00 0.00 14:37:01 veth3084f8d 5.23 10.70 0.46 70.15 0.00 0.00 0.00 14:37:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:37:01 docker0 5.23 10.70 0.38 70.15 0.00 0.00 0.00 Average: eth0 604.20 380.54 1956.50 1329.45 0.00 0.00 0.00 Average: veth3084f8d 8.29 18.23 0.75 146.41 0.00 0.00 0.00 Average: lo 0.06 0.06 0.00 0.00 0.00 0.00 0.00 Average: docker0 8.29 18.17 0.64 146.41 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) 14:33:59 LINUX RESTART 14:35:01 CPU %user %nice %system %iowait %steal %idle 14:36:01 all 7.23 0.00 2.73 1.90 15.98 72.17 14:36:01 0 6.44 0.00 2.58 0.96 18.41 71.61 14:36:01 1 6.98 0.00 2.58 2.50 14.78 73.17 14:36:01 2 7.09 0.00 2.56 0.53 15.79 74.03 14:36:01 3 8.47 0.00 3.18 3.68 14.80 69.85 14:37:01 all 12.61 0.00 1.96 0.86 16.03 68.54 14:37:01 0 19.71 0.00 3.56 0.93 20.52 55.27 14:37:01 1 13.33 0.00 1.53 1.79 14.64 68.71 14:37:01 2 10.19 0.00 1.73 0.34 15.02 72.71 14:37:01 3 7.31 0.00 1.04 0.35 14.00 77.29 Average: all 9.92 0.00 2.35 1.38 16.00 70.35 Average: 0 12.94 0.00 3.06 0.95 19.44 63.61 Average: 1 10.13 0.00 2.06 2.15 14.71 70.96 Average: 2 8.65 0.00 2.15 0.44 15.40 73.37 Average: 3 7.88 0.00 2.09 1.98 14.40 73.65