---> uname -a: Linux b652962ce014 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: 2933.438 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 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 7.5G 42.5G 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 7.5G 42.5G 15% /etc/resolv.conf /dev/vda1 50.0G 7.5G 42.5G 15% /etc/hostname /dev/vda1 50.0G 7.5G 42.5G 15% /etc/hosts /dev/vda1 50.0G 7.5G 42.5G 15% /w/workspace/xfoundry_device-modbus-go_master /dev/vda1 50.0G 7.5G 42.5G 15% /w/workspace/xfoundry_device-modbus-go_master@tmp /dev/vda1 50.0G 7.5G 42.5G 15% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1838 731 98 0 1008 1040 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) 04/28/20 _x86_64_ (4 CPU) 08:14:41 LINUX RESTART 08:15:01 tps rtps wtps bread/s bwrtn/s 08:16:01 156.62 86.32 70.30 6760.13 36743.40 08:17:01 15.57 1.45 14.12 84.04 2147.98 08:18:01 3.26 0.00 3.26 0.00 92.76 08:19:01 0.55 0.00 0.55 0.00 6.49 08:20:01 0.67 0.00 0.67 0.00 7.91 08:21:02 0.82 0.00 0.82 0.00 9.94 08:22:01 0.68 0.00 0.68 0.00 8.08 08:23:01 0.58 0.00 0.58 0.00 6.00 08:24:01 0.68 0.00 0.68 0.00 7.69 08:25:01 0.65 0.00 0.65 0.00 8.09 08:26:01 196.29 111.92 84.37 4014.90 26376.38 08:27:01 150.38 19.54 130.84 1368.46 31366.50 08:28:01 146.62 71.17 75.44 4376.28 20436.32 Average: 51.91 22.39 29.52 1280.12 9035.87 08:15:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:16:01 125044 1757260 93.36 2620 1229080 1008784 34.42 411804 1180892 59156 08:17:01 114420 1767884 93.92 2620 1231964 960556 32.77 426228 1177132 20 08:18:01 124268 1758036 93.40 2620 1231968 896092 30.57 419484 1175508 8 08:19:01 123288 1759016 93.45 2620 1231972 896260 30.58 420616 1175508 8 08:20:01 125080 1757224 93.35 2620 1231980 895996 30.57 420248 1174472 8 08:21:02 124808 1757496 93.37 2620 1231984 896068 30.57 420656 1174472 12 08:22:01 124936 1757368 93.36 2620 1231988 896276 30.58 420288 1174472 8 08:23:01 133420 1748884 92.91 2620 1231992 896252 30.58 411876 1174468 8 08:24:01 133492 1748812 92.91 2620 1232000 896204 30.58 412016 1174468 8 08:25:01 140616 1741688 92.53 2620 1232004 896508 30.59 404528 1174452 8 08:26:01 165340 1716964 91.22 2620 1153580 917168 31.29 465104 1060136 81136 08:27:01 112148 1770156 94.04 2620 1078968 1006448 34.34 523016 972672 15048 08:28:01 146136 1736168 92.24 2496 1030296 1016140 34.67 582244 866228 50848 Average: 130230 1752074 93.08 2610 1198444 929135 31.70 441393 1127298 15867 08:15:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 08:16:01 veth16e0f9b 0.00 0.20 0.00 0.02 0.00 0.00 0.00 08:16:01 eth0 210.16 163.88 1014.68 70.01 0.00 0.00 0.00 08:16:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 08:16:01 docker0 0.00 0.10 0.00 0.01 0.00 0.00 0.00 08:17:01 eth0 17.35 16.00 21.49 17.30 0.00 0.00 0.00 08:17:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:17:01 docker0 1.12 0.90 0.26 3.03 0.00 0.00 0.00 08:18:01 eth0 0.93 0.37 0.40 0.03 0.00 0.00 0.00 08:18:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:18:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:19:01 eth0 1.20 0.77 0.56 0.41 0.00 0.00 0.00 08:19:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:19:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:20:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 08:20:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:21:02 eth0 0.28 0.23 0.14 0.07 0.00 0.00 0.00 08:21:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:21:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:22:01 eth0 0.22 0.19 0.07 0.01 0.00 0.00 0.00 08:22:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:22:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:23:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 08:23:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:23:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:24:01 eth0 0.43 0.08 0.04 0.01 0.00 0.00 0.00 08:24:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:24:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:25:01 eth0 0.35 0.35 0.26 0.20 0.00 0.00 0.00 08:25:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:25:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:26:01 eth0 180.73 147.86 3714.42 24.34 0.00 0.00 0.00 08:26:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:26:01 docker0 26.91 21.60 3.05 49.22 0.00 0.00 0.00 08:27:01 vethabb21c5 0.00 0.10 0.00 0.01 0.00 0.00 0.00 08:27:01 eth0 570.86 454.42 7985.85 185.14 0.00 0.00 0.00 08:27:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 08:27:01 docker0 29.24 23.57 3.52 52.73 0.00 0.00 0.00 08:28:01 eth0 151.07 126.22 2493.06 66.77 0.00 0.00 0.00 08:28:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:28:01 veth0f61c6e 0.00 0.10 0.00 0.01 0.00 0.00 0.00 08:28:01 docker0 17.79 17.93 1.23 122.51 0.00 0.00 0.00 Average: eth0 53.42 43.83 804.59 19.33 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth0f61c6e 0.00 0.01 0.00 0.00 0.00 0.00 0.00 Average: docker0 3.63 3.20 0.37 13.52 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) 04/28/20 _x86_64_ (4 CPU) 08:14:41 LINUX RESTART 08:15:01 CPU %user %nice %system %iowait %steal %idle 08:16:01 all 12.20 0.00 8.06 9.21 19.48 51.05 08:16:01 0 10.81 0.00 7.85 11.50 20.96 48.87 08:16:01 1 13.68 0.00 6.96 9.19 17.99 52.18 08:16:01 2 11.04 0.00 6.63 9.48 19.82 53.03 08:16:01 3 13.39 0.00 10.95 6.48 19.08 50.09 08:17:01 all 1.42 0.00 1.41 0.05 8.26 88.86 08:17:01 0 1.64 0.00 1.06 0.03 8.27 88.99 08:17:01 1 1.57 0.00 1.60 0.06 7.65 89.12 08:17:01 2 0.79 0.00 1.12 0.00 9.36 88.74 08:17:01 3 1.71 0.00 1.87 0.10 7.73 88.59 08:18:01 all 0.12 0.00 0.05 0.00 0.15 99.67 08:18:01 0 0.32 0.00 0.05 0.00 0.15 99.48 08:18:01 1 0.07 0.00 0.07 0.00 0.15 99.72 08:18:01 2 0.08 0.00 0.05 0.00 0.18 99.68 08:18:01 3 0.05 0.00 0.05 0.00 0.12 99.78 08:19:01 all 0.12 0.00 0.05 0.00 0.24 99.59 08:19:01 0 0.05 0.00 0.03 0.00 0.25 99.67 08:19:01 1 0.15 0.00 0.07 0.00 0.13 99.65 08:19:01 2 0.10 0.00 0.05 0.00 0.42 99.43 08:19:01 3 0.18 0.00 0.02 0.00 0.17 99.63 08:20:01 all 0.11 0.00 0.05 0.00 0.10 99.74 08:20:01 0 0.05 0.00 0.07 0.00 0.12 99.77 08:20:01 1 0.03 0.00 0.03 0.00 0.10 99.83 08:20:01 2 0.30 0.00 0.08 0.00 0.17 99.45 08:20:01 3 0.05 0.00 0.03 0.00 0.05 99.87 08:21:02 all 0.15 0.00 0.03 0.00 0.18 99.64 08:21:02 0 0.08 0.00 0.03 0.00 0.12 99.77 08:21:02 1 0.05 0.00 0.03 0.00 0.23 99.68 08:21:02 2 0.43 0.00 0.03 0.00 0.28 99.25 08:21:02 3 0.03 0.00 0.02 0.00 0.08 99.87 08:22:01 all 0.09 0.00 0.06 0.00 0.27 99.58 08:22:01 0 0.03 0.00 0.02 0.00 0.08 99.86 08:22:01 1 0.07 0.00 0.07 0.00 0.46 99.41 08:22:01 2 0.24 0.00 0.07 0.00 0.31 99.39 08:22:01 3 0.03 0.00 0.03 0.00 0.25 99.68 08:23:01 all 0.10 0.00 0.04 0.00 0.20 99.65 08:23:01 0 0.03 0.00 0.05 0.00 0.08 99.83 08:23:01 1 0.05 0.00 0.07 0.00 0.35 99.53 08:23:01 2 0.30 0.00 0.05 0.00 0.23 99.42 08:23:01 3 0.03 0.00 0.05 0.00 0.13 99.78 08:24:01 all 0.07 0.00 0.04 0.00 0.29 99.60 08:24:01 0 0.03 0.00 0.03 0.00 0.07 99.87 08:24:01 1 0.05 0.00 0.03 0.00 0.20 99.72 08:24:01 2 0.08 0.00 0.07 0.00 0.61 99.24 08:24:01 3 0.13 0.00 0.03 0.00 0.25 99.58 08:25:01 all 0.12 0.00 0.05 0.00 0.10 99.74 08:25:01 0 0.05 0.00 0.03 0.00 0.07 99.85 08:25:01 1 0.10 0.00 0.07 0.00 0.17 99.67 08:25:01 2 0.20 0.00 0.07 0.00 0.12 99.62 08:25:01 3 0.12 0.00 0.02 0.00 0.07 99.80 08:26:01 all 5.49 0.00 3.91 1.91 14.73 73.95 08:26:01 0 5.48 0.00 4.42 1.45 17.64 71.01 08:26:01 1 4.65 0.00 3.56 2.40 14.06 75.32 08:26:01 2 5.33 0.00 3.90 2.75 13.90 74.13 08:26:01 3 6.52 0.00 3.76 1.03 13.33 75.35 08:27:01 all 7.26 0.00 6.34 1.28 17.45 67.68 08:27:01 0 7.02 0.00 5.89 0.79 19.12 67.19 08:27:01 1 6.43 0.00 5.48 1.41 17.35 69.32 08:27:01 2 7.15 0.00 6.65 2.06 16.81 67.33 08:27:01 3 8.46 0.00 7.34 0.87 16.47 66.87 08:28:01 all 6.87 0.00 5.01 1.92 13.99 72.21 08:28:01 0 8.09 0.00 4.60 0.65 14.79 71.87 08:28:01 1 6.41 0.00 5.45 3.67 14.62 69.84 08:28:01 2 6.92 0.00 5.55 2.24 13.51 71.78 08:28:01 3 6.08 0.00 4.44 1.12 13.03 75.33 Average: all 2.66 0.00 1.96 1.12 5.89 88.37 Average: 0 2.65 0.00 1.90 1.15 6.41 87.90 Average: 1 2.60 0.00 1.84 1.30 5.75 88.52 Average: 2 2.57 0.00 1.90 1.30 5.93 88.30 Average: 3 2.83 0.00 2.20 0.73 5.47 88.76