---> uname -a: Linux 03cc00668222 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 7.6G 42.4G 15% / 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 7.6G 42.4G 15% /etc/resolv.conf /dev/vda1 50.0G 7.6G 42.4G 15% /etc/hostname /dev/vda1 50.0G 7.6G 42.4G 15% /etc/hosts /dev/vda1 50.0G 7.6G 42.4G 15% /w/workspace/edgexfoundry_edgex-docs_PR-196 /dev/vda1 50.0G 7.6G 42.4G 15% /w/workspace/edgexfoundry_edgex-docs_PR-196@tmp /dev/vda1 50.0G 7.6G 42.4G 15% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1837 658 120 0 1058 1075 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) 09/01/20 _x86_64_ (4 CPU) 01:52:31 LINUX RESTART 01:53:02 tps rtps wtps bread/s bwrtn/s 01:54:01 150.93 90.59 60.34 7453.17 38336.93 01:55:01 99.33 29.51 69.82 6159.63 20613.55 01:56:02 180.91 93.52 87.40 6200.86 22109.86 Average: 143.69 71.11 72.58 6600.49 26965.91 01:53:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:54:01 72364 1809192 96.15 2620 1300632 1046620 35.72 425648 1227820 72644 01:55:01 93596 1787960 95.03 2620 1174028 1284176 43.83 570960 1022172 66552 01:56:02 75960 1805596 95.96 2596 1124940 1592412 54.35 666816 944480 57216 Average: 80640 1800916 95.71 2612 1199867 1307736 44.63 554475 1064824 65471 01:53:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 01:54:01 eth0 290.64 207.34 1753.30 45.76 0.00 0.00 0.00 01:54:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:54:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:55:01 eth0 366.58 196.13 2454.18 45.87 0.00 0.00 0.00 01:55:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:55:01 veth5966e0b 22.07 37.98 1.92 293.16 0.00 0.00 0.00 01:55:01 docker0 22.07 37.85 1.62 293.14 0.00 0.00 0.00 01:56:02 eth0 409.96 241.52 2409.48 1307.70 0.00 0.00 0.00 01:56:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:56:02 docker0 0.10 0.07 0.00 0.01 0.00 0.00 0.00 Average: eth0 356.04 215.03 2207.82 468.46 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 7.42 12.70 0.54 98.18 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) 09/01/20 _x86_64_ (4 CPU) 01:52:31 LINUX RESTART 01:53:02 CPU %user %nice %system %iowait %steal %idle 01:54:01 all 13.22 0.00 7.91 7.52 22.44 48.92 01:54:01 0 10.02 0.00 7.66 7.32 24.15 50.84 01:54:01 1 12.19 0.00 6.58 7.95 23.37 49.92 01:54:01 2 14.50 0.00 7.24 8.61 22.35 47.30 01:54:01 3 16.37 0.00 10.24 6.18 19.74 47.48 01:55:01 all 10.09 0.00 3.77 1.31 8.86 75.97 01:55:01 0 9.92 0.00 3.58 0.20 9.59 76.72 01:55:01 1 7.41 0.00 3.76 0.77 8.54 79.51 01:55:01 2 17.44 0.00 5.18 2.33 8.75 66.31 01:55:01 3 6.00 0.00 2.65 1.95 8.58 80.83 01:56:02 all 12.43 0.00 3.43 1.32 18.28 64.55 01:56:02 0 12.61 0.00 2.11 0.47 19.95 64.85 01:56:02 1 10.22 0.00 3.54 3.13 17.47 65.65 01:56:02 2 12.89 0.00 3.90 0.93 17.82 64.47 01:56:02 3 13.99 0.00 4.17 0.75 17.86 63.22 Average: all 11.93 0.00 5.02 3.37 16.57 63.11 Average: 0 10.87 0.00 4.44 2.67 17.99 64.02 Average: 1 9.96 0.00 4.63 3.96 16.52 64.94 Average: 2 14.88 0.00 5.42 3.94 16.43 59.32 Average: 3 12.07 0.00 5.62 2.90 15.35 64.06