---> uname -a: Linux 8e7b05113a9f 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-188 /dev/vda1 50.0G 7.8G 42.2G 16% /w/workspace/edgexfoundry_edgex-docs_PR-188@tmp /dev/vda1 50.0G 7.8G 42.2G 16% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1837 657 106 0 1073 1075 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) 07/14/20 _x86_64_ (4 CPU) 23:42:48 LINUX RESTART 23:44:01 tps rtps wtps bread/s bwrtn/s 23:45:01 144.00 43.63 100.37 7903.74 19728.89 23:46:01 199.54 124.11 75.42 7799.70 23352.25 Average: 171.90 84.07 87.84 7851.47 21549.27 23:44:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:45:01 76740 1804816 95.92 2596 1133100 1312908 44.81 589072 999040 103248 23:46:01 121592 1759964 93.54 1496 1079512 1376528 46.98 636748 910972 172 Average: 99166 1782390 94.73 2046 1106306 1344718 45.89 612910 955006 51710 23:44:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 23:45:01 veth95f2726 20.90 38.92 1.83 297.48 0.00 0.00 0.00 23:45:01 eth0 829.77 630.35 4382.67 112.13 0.00 0.00 0.00 23:45:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 23:45:01 docker0 20.90 38.79 1.55 297.47 0.00 0.00 0.00 23:46:01 eth0 920.88 565.78 2479.50 2809.46 0.00 0.00 0.00 23:46:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:46:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 560.34 344.53 1909.97 1429.85 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 10.40 19.30 0.77 148.02 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) 07/14/20 _x86_64_ (4 CPU) 23:42:48 LINUX RESTART 23:44:01 CPU %user %nice %system %iowait %steal %idle 23:45:01 all 12.93 0.00 4.66 2.34 7.77 72.31 23:45:01 0 6.72 0.00 3.14 1.15 7.77 81.22 23:45:01 1 17.06 0.00 5.57 2.73 8.76 65.89 23:45:01 2 9.92 0.00 3.46 1.99 7.39 77.24 23:45:01 3 18.42 0.00 6.60 3.59 7.14 64.25 23:46:01 all 13.34 0.00 3.94 3.02 15.73 63.98 23:46:01 0 14.71 0.00 3.54 0.48 15.47 65.80 23:46:01 1 12.62 0.00 3.88 4.37 17.11 62.01 23:46:01 2 7.77 0.00 2.82 3.93 14.42 71.05 23:46:01 3 18.64 0.00 5.55 3.17 15.93 56.72 Average: all 13.13 0.00 4.29 2.68 11.81 68.08 Average: 0 10.69 0.00 3.34 0.82 11.59 73.57 Average: 1 14.77 0.00 4.70 3.58 13.07 63.89 Average: 2 8.82 0.00 3.13 2.99 10.99 74.08 Average: 3 18.53 0.00 6.07 3.37 11.58 60.44