---> uname -a: Linux 9cffcb4f1551 3.10.0-862.14.4.el7.x86_64 #1 SMP Wed Sep 26 15:12:11 UTC 2018 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 L1tf: Mitigation; PTE Inversion; VMX SMT disabled, L1D conditional cache flushes Vulnerability Meltdown: Mitigation; PTI Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp Vulnerability Spectre v1: Mitigation; Load fences, __user pointer sanitization Vulnerability Spectre v2: Mitigation; Full retpoline 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 7.3G 42.6G 15% / tmpfs 64.0M 0 64.0M 0% /dev tmpfs 919.1M 0 919.1M 0% /sys/fs/cgroup shm 64.0M 0 64.0M 0% /dev/shm /dev/vda1 50.0G 7.3G 42.6G 15% /etc/resolv.conf /dev/vda1 50.0G 7.3G 42.6G 15% /etc/hostname /dev/vda1 50.0G 7.3G 42.6G 15% /etc/hosts /dev/vda1 50.0G 7.3G 42.6G 15% /w/workspace/gexfoundry_device-mqtt-go_master /dev/vda1 50.0G 7.3G 42.6G 15% /w/workspace/gexfoundry_device-mqtt-go_master@tmp /dev/vda1 50.0G 7.3G 42.6G 15% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1838 742 81 0 1014 1028 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 24: eth0@if25: 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 3.10.0-862.14.4.el7.x86_64 (centos-7-docker-5bc7e375-1660-33dc-fe50-cb0f4dbfa1d5.vexxhost.ne) 05/18/20 _x86_64_ (4 CPU) 19:09:33 LINUX RESTART 19:10:01 tps rtps wtps bread/s bwrtn/s 19:11:01 132.31 78.78 53.53 6434.49 37039.98 19:12:01 30.46 10.94 19.52 2197.07 2451.28 19:13:01 4.08 0.00 4.08 0.00 515.12 19:14:01 0.27 0.00 0.27 0.00 3.46 19:15:01 0.25 0.00 0.25 0.00 3.11 19:16:01 0.33 0.00 0.33 0.00 4.96 19:17:01 0.23 0.00 0.23 0.00 2.70 19:18:01 0.25 0.00 0.25 0.00 3.46 19:19:01 0.37 0.00 0.37 0.00 5.11 19:20:01 0.25 0.00 0.25 0.00 3.15 19:21:01 0.27 0.00 0.27 0.00 3.33 19:22:01 9.84 2.36 7.48 389.74 6084.25 19:23:02 193.91 116.88 77.03 4151.80 24767.68 19:24:01 97.48 14.33 83.15 720.69 23217.97 19:25:10 125.32 70.24 55.08 4533.95 11306.64 Average: 40.55 20.11 20.44 1263.90 7057.09 19:10:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:11:01 69756 1812548 96.29 2620 1389648 787840 26.88 294376 1367772 18768 19:12:01 96364 1785940 94.88 2620 1237068 905448 30.89 428520 1191324 11880 19:13:01 103664 1778640 94.49 2620 1237076 885216 30.20 423956 1191316 8 19:14:01 102724 1779580 94.54 2620 1237076 885472 30.21 425200 1191312 8 19:15:01 102640 1779664 94.55 2620 1237080 885508 30.21 425476 1191312 8 19:16:01 102964 1779340 94.53 2620 1237088 885364 30.21 424664 1191312 8 19:17:01 103668 1778636 94.49 2620 1237088 885280 30.21 424116 1191312 8 19:18:01 118556 1763748 93.70 2620 1237096 885492 30.21 409712 1190668 8 19:19:01 119088 1763216 93.67 2620 1237100 885372 30.21 409204 1190668 8 19:20:01 122124 1760180 93.51 2620 1237112 885372 30.21 406520 1190668 8 19:21:01 121992 1760312 93.52 2620 1237112 885444 30.21 406780 1190668 8 19:22:01 76272 1806032 95.95 2620 1253364 972804 33.19 432628 1201988 46120 19:23:02 97488 1784816 94.82 2620 1147912 1022560 34.89 522456 1057648 18196 19:24:01 157440 1724864 91.64 2612 1035652 1011996 34.53 523320 945160 101948 19:25:10 68048 1814256 96.38 2432 1084100 1054660 35.98 618696 914776 39720 Average: 104186 1778118 94.47 2607 1218771 914922 31.22 438375 1159860 15780 19:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 19:11:01 eth0 225.58 126.60 363.13 27.12 0.00 0.00 0.00 19:11:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:11:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:12:01 eth0 311.40 204.09 657.41 71.21 0.00 0.00 0.00 19:12:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:12:01 docker0 1.46 1.28 0.29 3.27 0.00 0.00 0.00 19:13:01 eth0 0.82 0.08 0.07 0.01 0.00 0.00 0.00 19:13:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:13:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:14:01 eth0 1.27 0.60 0.56 0.37 0.00 0.00 0.00 19:14:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:14:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:15:01 eth0 0.50 0.32 0.27 0.23 0.00 0.00 0.00 19:15:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:15:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:16:01 eth0 0.38 0.20 0.09 0.07 0.00 0.00 0.00 19:16:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:16:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:17:01 eth0 1.53 0.13 0.17 0.01 0.00 0.00 0.00 19:17:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:17:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:18:01 eth0 0.55 0.38 0.27 0.20 0.00 0.00 0.00 19:18:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:18:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:19:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 19:19:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:19:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:20:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 19:20:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:21:01 eth0 0.23 0.20 0.08 0.07 0.00 0.00 0.00 19:21:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:21:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:22:01 eth0 120.65 104.86 3760.48 10.02 0.00 0.00 0.00 19:22:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:22:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:23:02 eth0 40.70 32.41 94.15 8.63 0.00 0.00 0.00 19:23:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:23:02 veth5747834 24.20 26.61 2.79 80.88 0.00 0.00 0.00 19:23:02 docker0 25.67 27.76 2.74 84.14 0.00 0.00 0.00 19:24:01 eth0 214.60 169.65 3447.27 64.85 0.00 0.00 0.00 19:24:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:24:01 docker0 2.11 1.84 0.71 0.83 0.00 0.00 0.00 19:25:10 eth0 208.20 167.43 2184.99 63.17 0.00 0.00 0.00 19:25:10 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:25:10 docker0 19.17 20.92 1.22 124.16 0.00 0.00 0.00 Average: eth0 76.37 54.88 713.29 16.84 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 3.30 3.55 0.32 15.11 0.00 0.00 0.00 ---> sar -P ALL: Linux 3.10.0-862.14.4.el7.x86_64 (centos-7-docker-5bc7e375-1660-33dc-fe50-cb0f4dbfa1d5.vexxhost.ne) 05/18/20 _x86_64_ (4 CPU) 19:09:33 LINUX RESTART 19:10:01 CPU %user %nice %system %iowait %steal %idle 19:11:01 all 8.87 0.00 5.78 8.96 0.03 76.36 19:11:01 0 7.41 0.00 5.93 6.38 0.03 80.25 19:11:01 1 9.63 0.00 5.62 8.49 0.03 76.23 19:11:01 2 10.97 0.00 6.72 8.03 0.02 74.26 19:11:01 3 7.48 0.00 4.81 12.98 0.02 74.71 19:12:01 all 6.12 0.00 2.20 2.28 0.02 89.39 19:12:01 0 6.68 0.00 2.43 0.05 0.00 90.84 19:12:01 1 7.96 0.00 1.92 0.18 0.03 89.90 19:12:01 2 5.18 0.00 2.29 8.12 0.02 84.39 19:12:01 3 4.66 0.00 2.20 0.74 0.02 92.39 19:13:01 all 0.19 0.00 0.09 0.00 0.00 99.72 19:13:01 0 0.48 0.00 0.05 0.00 0.00 99.47 19:13:01 1 0.08 0.00 0.10 0.00 0.00 99.82 19:13:01 2 0.12 0.00 0.12 0.00 0.02 99.75 19:13:01 3 0.08 0.00 0.08 0.00 0.00 99.83 19:14:01 all 0.21 0.00 0.07 0.00 0.00 99.72 19:14:01 0 0.53 0.00 0.03 0.00 0.00 99.43 19:14:01 1 0.07 0.00 0.07 0.00 0.00 99.87 19:14:01 2 0.07 0.00 0.07 0.00 0.00 99.87 19:14:01 3 0.13 0.00 0.08 0.00 0.02 99.77 19:15:01 all 0.20 0.00 0.05 0.00 0.00 99.75 19:15:01 0 0.27 0.00 0.03 0.00 0.00 99.70 19:15:01 1 0.25 0.00 0.07 0.00 0.00 99.68 19:15:01 2 0.18 0.00 0.07 0.00 0.00 99.75 19:15:01 3 0.12 0.00 0.07 0.00 0.00 99.82 19:16:01 all 0.09 0.00 0.05 0.00 0.00 99.85 19:16:01 0 0.08 0.00 0.03 0.00 0.00 99.88 19:16:01 1 0.13 0.00 0.08 0.00 0.00 99.78 19:16:01 2 0.08 0.00 0.05 0.00 0.00 99.87 19:16:01 3 0.07 0.00 0.05 0.00 0.00 99.88 19:17:01 all 0.14 0.00 0.05 0.00 0.00 99.81 19:17:01 0 0.13 0.00 0.03 0.00 0.02 99.82 19:17:01 1 0.33 0.00 0.07 0.00 0.00 99.60 19:17:01 2 0.05 0.00 0.05 0.00 0.00 99.90 19:17:01 3 0.05 0.00 0.03 0.00 0.00 99.92 19:18:01 all 0.19 0.00 0.06 0.00 0.00 99.75 19:18:01 0 0.50 0.00 0.02 0.00 0.00 99.48 19:18:01 1 0.10 0.00 0.10 0.00 0.00 99.80 19:18:01 2 0.08 0.00 0.08 0.00 0.00 99.83 19:18:01 3 0.07 0.00 0.05 0.00 0.00 99.88 19:19:01 all 0.19 0.00 0.06 0.00 0.00 99.75 19:19:01 0 0.48 0.00 0.00 0.00 0.00 99.52 19:19:01 1 0.10 0.00 0.07 0.00 0.00 99.83 19:19:01 2 0.10 0.00 0.08 0.00 0.02 99.80 19:19:01 3 0.07 0.00 0.07 0.00 0.02 99.85 19:20:01 all 0.20 0.00 0.05 0.00 0.02 99.72 19:20:01 0 0.42 0.00 0.02 0.00 0.03 99.53 19:20:01 1 0.10 0.00 0.08 0.00 0.02 99.80 19:20:01 2 0.18 0.00 0.07 0.00 0.03 99.72 19:20:01 3 0.10 0.00 0.03 0.00 0.00 99.87 19:21:01 all 0.19 0.00 0.05 0.00 0.00 99.76 19:21:01 0 0.07 0.00 0.05 0.00 0.00 99.88 19:21:01 1 0.08 0.00 0.03 0.00 0.00 99.88 19:21:01 2 0.55 0.00 0.05 0.00 0.00 99.40 19:21:01 3 0.08 0.00 0.07 0.00 0.00 99.85 19:22:01 all 1.57 0.00 1.04 0.03 0.02 97.34 19:22:01 0 1.44 0.00 1.49 0.02 0.00 97.06 19:22:01 1 1.52 0.00 0.83 0.07 0.02 97.56 19:22:01 2 2.04 0.00 0.87 0.02 0.03 97.04 19:22:01 3 1.30 0.00 0.98 0.00 0.02 97.70 19:23:02 all 6.63 0.00 4.26 4.78 0.08 84.26 19:23:02 0 6.21 0.00 4.26 4.12 0.07 85.34 19:23:02 1 6.35 0.00 4.29 3.18 0.10 86.08 19:23:02 2 7.12 0.00 3.81 2.20 0.10 86.76 19:23:02 3 6.82 0.00 4.68 9.63 0.07 78.81 19:24:01 all 10.18 0.00 6.66 0.87 0.13 82.17 19:24:01 0 10.02 0.00 7.84 0.58 0.15 81.40 19:24:01 1 10.69 0.00 6.76 1.36 0.10 81.09 19:24:01 2 10.01 0.00 5.87 1.10 0.10 82.91 19:24:01 3 9.97 0.00 6.17 0.43 0.17 83.26 19:25:10 all 5.62 0.00 3.69 7.50 0.07 83.13 19:25:10 0 5.55 0.00 3.78 23.74 0.06 66.87 19:25:10 1 7.69 0.00 3.80 1.74 0.09 86.68 19:25:10 2 4.42 0.00 3.70 1.93 0.06 89.89 19:25:10 3 4.81 0.00 3.44 2.62 0.07 89.06 Average: all 2.71 0.00 1.62 1.68 0.03 93.96 Average: 0 2.69 0.00 1.74 2.53 0.02 93.01 Average: 1 3.03 0.00 1.60 1.00 0.03 94.33 Average: 2 2.74 0.00 1.60 1.43 0.03 94.20 Average: 3 2.39 0.00 1.53 1.76 0.03 94.30