---> uname -a: Linux b7c4b10b0abe 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: 2933.436 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 13.8G 36.1G 28% / 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 13.8G 36.1G 28% /etc/resolv.conf /dev/vda1 50.0G 13.8G 36.1G 28% /etc/hostname /dev/vda1 50.0G 13.8G 36.1G 28% /etc/hosts /dev/vda1 50.0G 13.8G 36.1G 28% /var/log/sa /dev/vda1 50.0G 13.8G 36.1G 28% /w/workspace/edgex-go/35 /dev/vda1 50.0G 13.8G 36.1G 28% /w/workspace/edgex-go/35@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 576 112 0 1149 1176 Swap: 1023 109 914 ---> 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 116: eth0@if117: 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) 08/17/20 _x86_64_ (4 CPU) 11:05:14 LINUX RESTART 11:06:01 tps rtps wtps bread/s bwrtn/s 11:07:01 122.67 62.40 60.27 9046.21 22654.46 11:08:01 490.85 236.89 253.96 8060.94 76079.16 11:09:01 404.92 279.45 125.47 11927.25 24385.24 11:10:02 223.09 46.85 176.24 16653.45 102170.19 11:11:01 2999.06 2623.76 375.29 218788.73 228074.47 11:12:01 676.51 433.23 243.28 38881.54 51604.73 11:13:02 2511.75 2171.86 339.90 139888.89 153315.62 11:14:01 1672.58 1366.62 305.96 88540.90 96274.99 11:15:02 1296.76 998.42 298.34 62081.28 77955.17 11:16:01 56.18 27.66 28.52 3535.41 1742.28 11:17:01 1.68 1.48 0.20 21.58 1.93 11:18:01 0.33 0.00 0.33 0.00 3.61 11:19:01 0.33 0.03 0.30 0.67 2.93 11:20:01 2.28 2.07 0.22 30.78 2.30 11:21:01 1.95 1.73 0.22 57.55 3.60 11:22:01 0.83 0.03 0.80 1.07 15.04 11:23:01 0.32 0.03 0.28 0.27 3.16 11:24:01 0.23 0.00 0.23 0.00 2.45 11:25:01 13.62 13.32 0.30 1349.85 19.30 Average: 550.78 434.47 116.31 31456.30 43887.62 11:06:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:07:01 79876 1801680 95.75 2620 1150252 1491428 50.90 739940 899500 101260 11:08:01 275924 1605632 85.34 1492 902956 1281432 43.73 552704 790604 8 11:09:01 388388 1493168 79.36 400 705328 1549296 52.87 628744 624840 32080 11:10:02 67312 1814244 96.42 96 1184348 1267836 43.27 769140 858324 56952 11:11:01 68856 1812700 96.34 0 1056516 2302968 78.60 788232 851516 45916 11:12:01 96600 1784956 94.87 0 1131376 1503568 51.31 578036 994308 14172 11:13:02 89744 1791812 95.23 0 1134312 1841936 62.86 727000 885388 74148 11:14:01 438688 1442868 76.68 0 783412 2238440 76.39 449952 780856 20 11:15:02 455388 1426168 75.80 0 880728 1341388 45.78 355664 876652 12 11:16:01 656436 1225120 65.11 0 729148 1154540 39.40 358040 677380 16 11:17:01 659440 1222116 64.95 0 729164 1126772 38.45 355884 677704 12 11:18:01 659516 1222040 64.95 0 729172 1126772 38.45 355888 677704 8 11:19:01 659576 1221980 64.95 0 729180 1126820 38.46 355892 677724 8 11:20:01 658348 1223208 65.01 0 729188 1126916 38.46 356440 678648 8 11:21:01 656640 1224916 65.10 0 730256 1126856 38.46 356284 679436 20 11:22:01 656712 1224844 65.10 0 730284 1126808 38.46 356228 679452 12 11:23:01 657000 1224556 65.08 0 730348 1126772 38.45 356232 679476 28 11:24:01 657180 1224376 65.07 0 730300 1126772 38.45 356208 679460 8 11:25:01 605072 1276484 67.84 0 766248 1142584 38.99 363468 718144 28 Average: 446668 1434888 76.26 243 855922 1375258 46.94 482104 757217 17090 11:06:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 11:07:01 eth0 2304.29 1812.23 5766.53 2886.93 0.00 0.00 0.00 11:07:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:07:01 docker0 827.68 709.87 66.99 2654.26 0.00 0.00 0.00 11:08:01 eth0 644.73 498.67 7320.34 53.92 0.00 0.00 0.00 11:08:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:08:01 docker0 121.01 158.13 9.03 834.39 0.00 0.00 0.00 11:09:01 vethc77fd32 0.00 0.13 0.00 0.01 0.00 0.00 0.00 11:09:01 eth0 3320.70 2516.03 13882.96 3058.59 0.00 0.00 0.00 11:09:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 11:09:01 docker0 947.66 867.10 75.93 3485.15 0.00 0.00 0.00 11:10:02 eth0 107.84 75.23 1691.84 53.60 0.00 0.00 0.00 11:10:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:02 veth74f5c33 0.00 0.13 0.00 0.01 0.00 0.00 0.00 11:10:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:11:01 eth0 46.60 33.89 162.15 42.54 0.00 0.00 0.00 11:11:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:11:01 veth74f5c33 0.00 0.34 0.00 0.01 0.00 0.00 0.00 11:11:01 docker0 14.93 20.39 0.78 147.98 0.00 0.00 0.00 11:12:01 eth0 49.57 33.13 143.18 12.85 0.00 0.00 0.00 11:12:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:12:01 veth74f5c33 0.00 0.13 0.00 0.01 0.00 0.00 0.00 11:12:01 docker0 7.02 10.99 0.39 70.87 0.00 0.00 0.00 11:13:02 eth0 109.44 69.57 402.86 66.85 0.00 0.00 0.00 11:13:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:13:02 veth74f5c33 0.00 0.15 0.00 0.01 0.00 0.00 0.00 11:13:02 vethbb26a9a 1.61 2.01 0.16 7.50 0.00 0.00 0.00 11:14:01 veth65056b5 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:14:01 eth0 3757.75 2814.71 16658.36 3342.08 0.00 0.00 0.00 11:14:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 11:14:01 vethd8e30d4 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:15:02 vethaaca2e1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:15:02 eth0 81.86 56.07 178.44 94.94 0.00 0.00 0.00 11:15:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:15:02 veth74f5c33 0.00 1.06 0.00 0.05 0.00 0.00 0.00 11:16:01 eth0 10.24 6.16 8.97 4.33 0.00 0.00 0.00 11:16:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:16:01 docker0 1038.03 998.61 81.53 4372.45 0.00 0.00 0.00 11:17:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 11:17:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:17:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:18:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 11:18:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:18:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:19:01 eth0 0.30 0.27 0.42 0.02 0.00 0.00 0.00 11:19:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:19:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:01 eth0 0.52 0.40 0.27 0.21 0.00 0.00 0.00 11:20:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:21:01 eth0 0.20 0.18 0.08 0.07 0.00 0.00 0.00 11:21:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:21:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:22:01 eth0 0.20 0.17 0.10 0.01 0.00 0.00 0.00 11:22:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:22:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:23:01 eth0 0.03 0.03 0.00 0.00 0.00 0.00 0.00 11:23:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:23:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:24:01 eth0 0.07 0.07 0.01 0.01 0.00 0.00 0.00 11:24:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:24:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:25:01 eth0 4.11 2.81 5.45 1.44 0.00 0.00 0.00 11:25:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:25:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 183.47 140.66 835.23 176.74 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 53.80 51.76 4.23 226.61 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) 08/17/20 _x86_64_ (4 CPU) 11:05:14 LINUX RESTART 11:06:01 CPU %user %nice %system %iowait %steal %idle 11:07:01 all 19.98 0.00 6.83 2.04 0.15 71.00 11:07:01 0 21.19 0.00 9.45 0.66 0.16 68.54 11:07:01 1 18.78 0.00 6.10 1.09 0.15 73.87 11:07:01 2 27.28 0.00 5.56 1.20 0.09 65.88 11:07:01 3 12.69 0.00 6.30 5.20 0.19 75.62 11:08:01 all 14.14 0.00 9.90 6.50 0.17 69.29 11:08:01 0 14.02 0.00 11.24 6.41 0.19 68.15 11:08:01 1 14.57 0.00 8.72 5.85 0.17 70.68 11:08:01 2 13.45 0.00 10.28 7.37 0.21 68.71 11:08:01 3 14.54 0.00 9.35 6.38 0.12 69.62 11:09:01 all 50.93 0.00 14.98 6.58 0.13 27.39 11:09:01 0 50.78 0.00 14.88 5.72 0.12 28.50 11:09:01 1 51.58 0.00 14.97 5.65 0.12 27.68 11:09:01 2 50.56 0.00 15.04 8.31 0.14 25.95 11:09:01 3 50.82 0.00 15.04 6.62 0.12 27.39 11:10:02 all 17.13 0.00 10.42 12.90 0.12 59.44 11:10:02 0 17.41 0.00 10.22 13.49 0.15 58.73 11:10:02 1 15.03 0.00 9.64 13.09 0.12 62.13 11:10:02 2 17.35 0.00 10.73 13.91 0.09 57.92 11:10:02 3 18.72 0.00 11.06 11.09 0.12 59.00 11:11:01 all 23.75 0.00 26.29 25.86 0.30 23.82 11:11:01 0 23.39 0.00 26.77 27.00 0.30 22.53 11:11:01 1 22.64 0.00 25.85 25.81 0.30 25.40 11:11:01 2 24.01 0.00 26.08 26.11 0.23 23.57 11:11:01 3 24.97 0.00 26.45 24.50 0.34 23.74 11:12:01 all 48.86 0.00 14.80 17.62 0.11 18.62 11:12:01 0 49.18 0.00 14.08 18.63 0.10 18.00 11:12:01 1 48.52 0.00 14.64 17.97 0.10 18.76 11:12:01 2 48.68 0.00 15.40 19.53 0.14 16.25 11:12:01 3 49.09 0.00 15.04 14.34 0.09 21.44 11:13:02 all 14.84 0.00 18.39 36.85 0.22 29.69 11:13:02 0 15.15 0.00 17.88 37.33 0.17 29.47 11:13:02 1 14.38 0.00 18.39 36.34 0.21 30.68 11:13:02 2 15.15 0.00 19.17 33.71 0.27 31.69 11:13:02 3 14.67 0.00 18.14 40.09 0.24 26.85 11:14:01 all 40.58 0.00 18.24 28.75 0.15 12.28 11:14:01 0 39.86 0.00 18.68 27.71 0.18 13.58 11:14:01 1 42.14 0.00 18.13 30.85 0.14 8.74 11:14:01 2 40.84 0.00 17.54 29.02 0.14 12.46 11:14:01 3 39.44 0.00 18.56 27.34 0.18 14.48 11:15:02 all 23.78 0.00 14.74 23.18 0.17 38.13 11:15:02 0 24.09 0.00 14.70 23.46 0.14 37.61 11:15:02 1 23.13 0.00 14.67 21.74 0.19 40.26 11:15:02 2 23.30 0.00 14.93 22.73 0.19 38.85 11:15:02 3 24.60 0.00 14.69 24.79 0.17 35.75 11:16:01 all 1.16 0.00 1.35 0.98 0.03 96.48 11:16:01 0 1.00 0.00 1.36 1.43 0.03 96.18 11:16:01 1 0.97 0.00 1.46 0.56 0.02 96.99 11:16:01 2 1.34 0.00 1.48 1.33 0.03 95.82 11:16:01 3 1.31 0.00 1.07 0.63 0.02 96.97 11:17:01 all 0.15 0.00 0.04 0.05 0.00 99.75 11:17:01 0 0.00 0.00 0.02 0.00 0.00 99.98 11:17:01 1 0.10 0.00 0.08 0.00 0.02 99.80 11:17:01 2 0.02 0.00 0.03 0.18 0.00 99.77 11:17:01 3 0.50 0.00 0.03 0.00 0.02 99.45 11:18:01 all 0.16 0.00 0.03 0.00 0.00 99.81 11:18:01 0 0.52 0.00 0.02 0.00 0.02 99.45 11:18:01 1 0.05 0.00 0.05 0.00 0.00 99.90 11:18:01 2 0.03 0.00 0.03 0.00 0.00 99.93 11:18:01 3 0.03 0.00 0.03 0.00 0.00 99.93 11:19:01 all 0.15 0.00 0.02 0.00 0.00 99.83 11:19:01 0 0.03 0.00 0.02 0.00 0.00 99.95 11:19:01 1 0.02 0.00 0.05 0.00 0.00 99.93 11:19:01 2 0.52 0.00 0.03 0.00 0.02 99.43 11:19:01 3 0.00 0.00 0.02 0.00 0.00 99.98 11:20:01 all 0.15 0.00 0.03 0.07 0.01 99.73 11:20:01 0 0.03 0.00 0.02 0.00 0.00 99.95 11:20:01 1 0.05 0.00 0.05 0.03 0.02 99.85 11:20:01 2 0.53 0.00 0.05 0.27 0.00 99.15 11:20:01 3 0.02 0.00 0.02 0.00 0.00 99.97 11:21:01 all 0.12 0.00 0.06 0.02 0.00 99.78 11:21:01 0 0.03 0.00 0.10 0.08 0.00 99.78 11:21:01 1 0.00 0.00 0.03 0.00 0.00 99.97 11:21:01 2 0.30 0.00 0.07 0.00 0.02 99.62 11:21:01 3 0.17 0.00 0.02 0.02 0.00 99.80 11:22:01 all 0.08 0.00 0.03 0.00 0.00 99.89 11:22:01 0 0.03 0.00 0.02 0.00 0.00 99.95 11:22:01 1 0.02 0.00 0.05 0.00 0.02 99.92 11:22:01 2 0.02 0.00 0.03 0.00 0.00 99.95 11:22:01 3 0.25 0.00 0.03 0.00 0.00 99.72 11:23:01 all 0.12 0.00 0.02 0.00 0.00 99.85 11:23:01 0 0.03 0.00 0.02 0.00 0.00 99.95 11:23:01 1 0.03 0.00 0.05 0.00 0.00 99.92 11:23:01 2 0.02 0.00 0.00 0.02 0.00 99.97 11:23:01 3 0.42 0.00 0.03 0.00 0.00 99.55 11:24:01 all 0.15 0.00 0.02 0.00 0.00 99.83 11:24:01 0 0.02 0.00 0.02 0.00 0.00 99.97 11:24:01 1 0.03 0.00 0.03 0.00 0.00 99.93 11:24:01 2 0.03 0.00 0.02 0.00 0.00 99.95 11:24:01 3 0.50 0.00 0.02 0.00 0.00 99.48 11:25:01 all 0.32 0.00 0.16 0.40 0.01 99.11 11:25:01 0 0.23 0.00 0.08 0.23 0.00 99.45 11:25:01 1 0.22 0.00 0.18 0.60 0.00 99.00 11:25:01 2 0.25 0.00 0.22 0.72 0.02 98.80 11:25:01 3 0.60 0.00 0.12 0.05 0.02 99.22 Average: all 13.24 0.00 7.01 8.32 0.08 71.34 Average: 0 13.25 0.00 7.18 8.36 0.08 71.13 Average: 1 13.05 0.00 6.87 8.23 0.08 71.77 Average: 2 13.62 0.00 7.04 8.47 0.08 70.79 Average: 3 13.05 0.00 6.97 8.24 0.08 71.67