---> uname -a: Linux 414a8cd1c9b5 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-173 /dev/vda1 50.0G 7.8G 42.2G 16% /w/workspace/edgexfoundry_edgex-docs_PR-173@tmp /dev/vda1 50.0G 7.8G 42.2G 16% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1837 645 106 0 1085 1088 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) 06/18/20 _x86_64_ (4 CPU) 22:44:51 LINUX RESTART 22:46:03 tps rtps wtps bread/s bwrtn/s 22:47:01 110.05 33.75 76.29 6907.69 25589.11 22:48:01 84.79 12.90 71.89 2188.54 10528.36 Average: 97.19 23.14 74.05 4506.25 17925.13 22:46:03 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:47:01 85732 1795824 95.44 2620 1163000 1271432 43.39 593540 1016288 62196 22:48:01 89008 1792548 95.27 2596 1154280 1260112 43.01 678712 902592 64904 Average: 87370 1794186 95.36 2608 1158640 1265772 43.20 636126 959440 63550 22:46:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 22:47:01 eth0 619.27 414.33 3718.68 65.54 0.00 0.00 0.00 22:47:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:47:01 veth55dff7c 15.12 27.56 1.35 230.88 0.00 0.00 0.00 22:47:01 docker0 15.12 27.42 1.14 230.87 0.00 0.00 0.00 22:48:01 eth0 311.07 216.82 162.98 1321.42 0.00 0.00 0.00 22:48:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:48:01 veth55dff7c 5.86 11.57 0.50 70.17 0.00 0.00 0.00 22:48:01 docker0 5.86 11.57 0.42 70.17 0.00 0.00 0.00 Average: eth0 462.44 313.82 1909.29 704.62 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth55dff7c 10.41 19.42 0.92 149.10 0.00 0.00 0.00 Average: docker0 10.41 19.36 0.77 149.09 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) 06/18/20 _x86_64_ (4 CPU) 22:44:51 LINUX RESTART 22:46:03 CPU %user %nice %system %iowait %steal %idle 22:47:01 all 7.52 0.00 2.83 2.09 15.49 72.08 22:47:01 0 4.63 0.00 2.62 0.70 17.29 74.76 22:47:01 1 6.70 0.00 2.45 2.55 15.21 73.10 22:47:01 2 13.92 0.00 3.98 2.93 16.03 63.14 22:47:01 3 5.16 0.00 2.29 2.26 13.47 76.82 22:48:01 all 12.00 0.00 3.39 1.20 15.02 68.39 22:48:01 0 12.05 0.00 4.24 0.27 18.23 65.21 22:48:01 1 13.36 0.00 3.15 2.43 15.13 65.94 22:48:01 2 17.56 0.00 4.48 1.56 13.60 62.80 22:48:01 3 5.35 0.00 1.78 0.52 13.09 79.26 Average: all 9.82 0.00 3.12 1.63 15.25 70.19 Average: 0 8.42 0.00 3.45 0.48 17.77 69.89 Average: 1 10.13 0.00 2.81 2.49 15.17 69.41 Average: 2 15.79 0.00 4.24 2.23 14.78 62.96 Average: 3 5.26 0.00 2.03 1.36 13.27 78.07