---> uname -a: Linux 195a78482108 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 6.3G 43.7G 13% / 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 6.3G 43.7G 13% /etc/resolv.conf /dev/vda1 50.0G 6.3G 43.7G 13% /etc/hostname /dev/vda1 50.0G 6.3G 43.7G 13% /etc/hosts /dev/vda1 50.0G 6.3G 43.7G 13% /w/workspace/xfoundry_device-modbus-go_PR-130 /dev/vda1 50.0G 6.3G 43.7G 13% /w/workspace/xfoundry_device-modbus-go_PR-130@tmp /dev/vda1 50.0G 6.3G 43.7G 13% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1838 611 67 0 1159 1122 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 3.10.0-862.14.4.el7.x86_64 (centos-7-docker-5bc7e375-1660-33dc-fe50-cb0f4dbfa1d5.vexxhost.ne) 02/20/20 _x86_64_ (4 CPU) 09:17:22 LINUX RESTART 09:18:01 tps rtps wtps bread/s bwrtn/s 09:19:01 42.41 10.54 31.86 2280.92 3353.05 09:20:01 2.01 0.03 1.98 1.07 76.40 09:21:01 0.68 0.00 0.68 0.00 8.68 09:22:02 0.57 0.00 0.57 0.00 6.23 09:23:01 0.66 0.00 0.66 0.00 8.20 09:24:01 0.77 0.00 0.77 0.00 9.62 09:25:01 0.18 0.00 0.18 0.00 3.56 09:26:01 0.28 0.00 0.28 0.00 3.38 09:27:01 130.36 81.82 48.54 5528.80 16154.20 Average: 19.82 10.29 9.53 869.98 2185.56 09:18:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:19:01 101796 1780508 94.59 2620 1233508 955908 32.62 450420 1173932 12 09:20:01 101420 1780884 94.61 2620 1233516 955948 32.62 450928 1173632 8 09:21:01 106844 1775460 94.32 2620 1233524 889724 30.36 448500 1171888 8 09:22:02 106408 1775896 94.35 2620 1233524 891780 30.43 448600 1171888 8 09:23:01 109276 1773028 94.19 2620 1233528 889428 30.35 446500 1171864 8 09:24:01 108856 1773448 94.22 2620 1233536 889524 30.35 447148 1171864 8 09:25:01 110228 1772076 94.14 2620 1233564 889320 30.34 446040 1171868 32 09:26:01 112236 1770068 94.04 2620 1233544 889464 30.35 444000 1171780 16 09:27:01 95732 1786572 94.91 2620 1184652 924576 31.55 451740 1139104 60464 Average: 105866 1776438 94.38 2620 1228100 908408 30.99 448208 1168647 6729 09:18:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 09:19:01 eth0 136.09 109.88 635.21 66.54 0.00 0.00 0.00 09:19:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:19:01 docker0 1.43 1.46 0.24 2.92 0.00 0.00 0.00 09:20:01 eth0 1.20 0.45 1.04 0.03 0.00 0.00 0.00 09:20:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:21:01 eth0 0.77 0.30 0.29 0.20 0.00 0.00 0.00 09:21:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:21:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:22:02 eth0 1.05 0.53 0.55 0.39 0.00 0.00 0.00 09:22:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:22:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:23:01 eth0 0.25 0.15 0.09 0.04 0.00 0.00 0.00 09:23:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:23:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:24:01 eth0 1.10 0.65 0.58 0.19 0.00 0.00 0.00 09:24:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:24:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:25:01 eth0 0.82 0.10 0.07 0.07 0.00 0.00 0.00 09:25:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:25:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:26:01 eth0 0.53 0.48 0.29 0.21 0.00 0.00 0.00 09:26:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:26:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:27:01 veth2160766 0.22 0.28 0.40 0.10 0.00 0.00 0.00 09:27:01 eth0 350.66 257.99 3146.62 101.99 0.00 0.00 0.00 09:27:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 09:27:01 docker0 1.65 1.65 0.64 3.01 0.00 0.00 0.00 Average: veth2160766 0.02 0.03 0.04 0.01 0.00 0.00 0.00 Average: eth0 39.05 28.73 350.44 11.36 0.00 0.00 0.00 Average: lo 0.01 0.01 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.18 0.18 0.07 0.34 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) 02/20/20 _x86_64_ (4 CPU) 09:17:22 LINUX RESTART 09:18:01 CPU %user %nice %system %iowait %steal %idle 09:19:01 all 7.96 0.00 2.97 1.28 8.25 79.54 09:19:01 0 8.01 0.00 3.34 0.42 9.56 78.69 09:19:01 1 7.54 0.00 2.58 1.23 8.15 80.50 09:19:01 2 9.05 0.00 3.00 2.58 7.67 77.69 09:19:01 3 7.27 0.00 2.96 0.88 7.62 81.27 09:20:01 all 0.10 0.00 0.04 0.00 0.63 99.23 09:20:01 0 0.07 0.00 0.07 0.00 0.43 99.43 09:20:01 1 0.05 0.00 0.02 0.00 0.23 99.70 09:20:01 2 0.08 0.00 0.05 0.00 1.24 98.63 09:20:01 3 0.22 0.00 0.02 0.00 0.63 99.14 09:21:01 all 0.14 0.00 0.06 0.00 0.39 99.41 09:21:01 0 0.05 0.00 0.03 0.00 0.25 99.67 09:21:01 1 0.08 0.00 0.10 0.00 0.28 99.53 09:21:01 2 0.08 0.00 0.07 0.00 0.66 99.19 09:21:01 3 0.35 0.00 0.05 0.00 0.37 99.23 09:22:02 all 0.14 0.00 0.05 0.00 0.12 99.68 09:22:02 0 0.03 0.00 0.05 0.00 0.08 99.83 09:22:02 1 0.07 0.00 0.10 0.00 0.17 99.67 09:22:02 2 0.07 0.00 0.07 0.00 0.12 99.75 09:22:02 3 0.37 0.00 0.03 0.00 0.12 99.48 09:23:01 all 0.13 0.00 0.04 0.00 0.36 99.47 09:23:01 0 0.02 0.00 0.02 0.00 0.22 99.75 09:23:01 1 0.12 0.00 0.03 0.00 0.41 99.44 09:23:01 2 0.07 0.00 0.03 0.00 0.36 99.54 09:23:01 3 0.32 0.00 0.03 0.00 0.47 99.17 09:24:01 all 0.12 0.00 0.03 0.00 0.27 99.58 09:24:01 0 0.05 0.00 0.02 0.00 0.28 99.65 09:24:01 1 0.07 0.00 0.03 0.00 0.40 99.50 09:24:01 2 0.05 0.00 0.02 0.00 0.10 99.83 09:24:01 3 0.32 0.00 0.07 0.00 0.27 99.35 09:25:01 all 0.12 0.00 0.03 0.00 0.43 99.42 09:25:01 0 0.02 0.00 0.05 0.00 0.28 99.65 09:25:01 1 0.05 0.00 0.03 0.00 0.48 99.44 09:25:01 2 0.03 0.00 0.03 0.00 0.51 99.42 09:25:01 3 0.35 0.00 0.03 0.00 0.43 99.19 09:26:01 all 0.10 0.00 0.03 0.00 0.57 99.29 09:26:01 0 0.05 0.00 0.03 0.00 0.58 99.34 09:26:01 1 0.05 0.00 0.03 0.00 0.84 99.07 09:26:01 2 0.27 0.00 0.03 0.00 0.48 99.22 09:26:01 3 0.05 0.00 0.03 0.00 0.40 99.52 09:27:01 all 4.66 0.00 3.07 1.73 6.90 83.65 09:27:01 0 3.56 0.00 2.37 0.50 7.25 86.33 09:27:01 1 4.48 0.00 3.52 2.34 6.87 82.78 09:27:01 2 4.87 0.00 2.82 2.95 6.79 82.57 09:27:01 3 5.75 0.00 3.54 1.13 6.66 82.91 Average: all 1.50 0.00 0.70 0.33 1.99 95.47 Average: 0 1.32 0.00 0.66 0.10 2.11 95.81 Average: 1 1.39 0.00 0.72 0.39 1.98 95.52 Average: 2 1.62 0.00 0.68 0.61 1.99 95.10 Average: 3 1.66 0.00 0.75 0.22 1.88 95.48