---> uname -a: Linux cf978c6bae41 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 42.2G 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% /var/log/sa /dev/vda1 50.0G 7.8G 42.2G 16% /w/workspace/edgexfoundry_edgex-docs_PR-163 /dev/vda1 50.0G 7.8G 42.2G 16% /w/workspace/edgexfoundry_edgex-docs_PR-163@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 666 93 0 1076 1066 Swap: 1023 1 1022 ---> 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) 06/17/20 _x86_64_ (4 CPU) 18:05:43 LINUX RESTART 18:06:01 tps rtps wtps bread/s bwrtn/s 18:07:01 224.35 87.60 136.75 10803.10 62863.12 18:08:01 234.43 125.46 108.97 9728.27 28775.77 Average: 229.39 106.53 122.86 10265.77 45822.28 18:06:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:07:01 80360 1801196 95.73 2620 1157180 1262688 43.09 615492 989376 94084 18:08:01 72296 1809260 96.16 1492 1112568 1538496 52.51 708936 908844 100756 Average: 76328 1805228 95.94 2056 1134874 1400592 47.80 662214 949110 97420 18:06:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 18:07:01 vethb4d98fe 34.64 41.00 2.69 223.93 0.00 0.00 0.00 18:07:01 eth0 1119.49 734.24 4269.07 125.23 0.00 0.00 0.00 18:07:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 18:07:01 docker0 34.64 40.86 2.22 223.92 0.00 0.00 0.00 18:08:01 eth0 1060.59 645.54 2586.38 2798.27 0.00 0.00 0.00 18:08:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:08:01 docker0 6.19 10.17 0.43 70.19 0.00 0.00 0.00 Average: eth0 1078.86 681.53 3407.48 1460.77 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 20.42 25.52 1.33 147.07 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) 06/17/20 _x86_64_ (4 CPU) 18:05:43 LINUX RESTART 18:06:01 CPU %user %nice %system %iowait %steal %idle 18:07:01 all 19.84 0.00 7.55 11.60 0.03 60.99 18:07:01 0 21.51 0.00 7.48 14.20 0.03 56.78 18:07:01 1 21.24 0.00 7.99 13.56 0.03 57.18 18:07:01 2 17.38 0.00 6.47 7.61 0.03 68.50 18:07:01 3 19.23 0.00 8.23 11.06 0.03 61.45 18:08:01 all 17.47 0.00 5.54 3.60 0.03 73.36 18:08:01 0 29.41 0.00 8.11 1.65 0.03 60.79 18:08:01 1 14.34 0.00 4.78 5.23 0.02 75.63 18:08:01 2 11.17 0.00 4.01 1.67 0.02 83.14 18:08:01 3 14.96 0.00 5.26 5.87 0.03 73.87 Average: all 18.65 0.00 6.54 7.60 0.03 67.18 Average: 0 25.47 0.00 7.80 7.90 0.03 58.80 Average: 1 17.79 0.00 6.38 9.40 0.03 66.40 Average: 2 14.27 0.00 5.24 4.64 0.03 75.82 Average: 3 17.09 0.00 6.75 8.46 0.03 67.67