---> uname -a: Linux 44ce304e4f6c 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: 2933.442 BogoMIPS: 5866.88 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 6.4G 43.6G 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 6.4G 43.6G 13% /etc/resolv.conf /dev/vda1 50.0G 6.4G 43.6G 13% /etc/hostname /dev/vda1 50.0G 6.4G 43.6G 13% /etc/hosts /dev/vda1 50.0G 6.4G 43.6G 13% /w/workspace/xfoundry_device-modbus-go_PR-139 /dev/vda1 50.0G 6.4G 43.6G 13% /w/workspace/xfoundry_device-modbus-go_PR-139@tmp /dev/vda1 50.0G 6.4G 43.6G 13% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1838 606 71 0 1159 1126 Swap: 1023 0 1023 ---> 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) 04/21/20 _x86_64_ (4 CPU) 17:18:23 LINUX RESTART 17:19:01 tps rtps wtps bread/s bwrtn/s 17:20:01 29.81 7.47 22.34 1947.00 2267.34 17:21:01 2.53 0.00 2.53 0.00 87.98 17:22:01 0.28 0.00 0.28 0.00 3.61 17:23:01 0.30 0.00 0.30 0.00 3.91 17:24:01 0.22 0.00 0.22 0.00 3.28 17:25:02 0.35 0.00 0.35 0.00 4.56 17:26:01 0.25 0.00 0.25 0.00 2.98 17:27:01 137.36 92.96 44.41 5700.83 16716.23 Average: 21.44 12.58 8.85 958.17 2391.60 17:19:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:20:01 106848 1775456 94.32 2620 1223116 956728 32.64 443672 1168064 8 17:21:01 111316 1770988 94.09 2620 1223124 942736 32.17 439884 1167768 0 17:22:01 112124 1770180 94.04 2620 1223132 934536 31.89 439404 1167764 16 17:23:01 114428 1767876 93.92 2620 1223132 913952 31.18 437232 1167764 16 17:24:01 115396 1766908 93.87 2620 1223140 902728 30.80 436508 1167764 20 17:25:02 115912 1766392 93.84 2620 1223144 902644 30.80 436100 1167764 12 17:26:01 116040 1766264 93.84 2620 1223148 902772 30.80 436240 1167760 8 17:27:01 108492 1773812 94.24 2620 1184992 936464 31.95 451316 1128028 101988 Average: 112570 1769735 94.02 2620 1218366 924070 31.53 440045 1162835 12759 17:19:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 17:20:01 eth0 132.72 89.41 443.36 37.59 0.00 0.00 0.00 17:20:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:20:01 docker0 1.41 1.08 0.28 3.09 0.00 0.00 0.00 17:21:01 eth0 1.70 0.72 0.59 0.43 0.00 0.00 0.00 17:21:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:21:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:22:01 eth0 0.95 0.58 0.46 0.22 0.00 0.00 0.00 17:22:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:22:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:23:01 eth0 0.57 0.42 0.31 0.21 0.00 0.00 0.00 17:23:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:23:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:24:01 eth0 0.28 0.20 0.14 0.07 0.00 0.00 0.00 17:24:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:24:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:25:02 eth0 0.12 0.08 0.01 0.01 0.00 0.00 0.00 17:25:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:25:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:26:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 17:26:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:26:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:27:01 eth0 106.59 84.88 2333.04 12.50 0.00 0.00 0.00 17:27:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:27:01 vethbfeff2f 0.22 0.28 0.38 0.10 0.00 0.00 0.00 17:27:01 docker0 1.63 1.27 0.66 3.18 0.00 0.00 0.00 Average: eth0 30.45 22.10 348.03 6.39 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: vethbfeff2f 0.03 0.04 0.05 0.01 0.00 0.00 0.00 Average: docker0 0.20 0.16 0.08 0.40 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) 04/21/20 _x86_64_ (4 CPU) 17:18:23 LINUX RESTART 17:19:01 CPU %user %nice %system %iowait %steal %idle 17:20:01 all 3.31 0.00 1.77 0.58 0.00 94.33 17:20:01 0 3.88 0.00 2.09 0.07 0.02 93.94 17:20:01 1 2.59 0.00 1.66 0.10 0.00 95.65 17:20:01 2 3.18 0.00 1.82 1.97 0.00 93.02 17:20:01 3 3.60 0.00 1.54 0.18 0.00 94.68 17:21:01 all 0.10 0.00 0.08 0.00 0.00 99.82 17:21:01 0 0.07 0.00 0.05 0.00 0.00 99.88 17:21:01 1 0.15 0.00 0.08 0.00 0.00 99.77 17:21:01 2 0.08 0.00 0.07 0.00 0.00 99.85 17:21:01 3 0.12 0.00 0.07 0.00 0.00 99.82 17:22:01 all 0.19 0.00 0.05 0.00 0.00 99.76 17:22:01 0 0.08 0.00 0.05 0.00 0.00 99.87 17:22:01 1 0.10 0.00 0.07 0.00 0.02 99.82 17:22:01 2 0.07 0.00 0.05 0.00 0.00 99.88 17:22:01 3 0.50 0.00 0.05 0.00 0.00 99.45 17:23:01 all 0.20 0.00 0.06 0.00 0.00 99.74 17:23:01 0 0.02 0.00 0.03 0.00 0.00 99.95 17:23:01 1 0.08 0.00 0.05 0.00 0.00 99.87 17:23:01 2 0.57 0.00 0.08 0.02 0.00 99.33 17:23:01 3 0.12 0.00 0.05 0.00 0.00 99.83 17:24:01 all 0.19 0.00 0.05 0.00 0.00 99.76 17:24:01 0 0.07 0.00 0.05 0.00 0.00 99.88 17:24:01 1 0.08 0.00 0.07 0.00 0.00 99.85 17:24:01 2 0.58 0.00 0.05 0.00 0.00 99.37 17:24:01 3 0.03 0.00 0.03 0.00 0.00 99.93 17:25:02 all 0.17 0.00 0.05 0.00 0.00 99.78 17:25:02 0 0.02 0.00 0.03 0.00 0.00 99.95 17:25:02 1 0.07 0.00 0.08 0.00 0.00 99.85 17:25:02 2 0.55 0.00 0.05 0.00 0.00 99.40 17:25:02 3 0.05 0.00 0.03 0.00 0.02 99.90 17:26:01 all 0.17 0.00 0.04 0.00 0.00 99.78 17:26:01 0 0.03 0.00 0.03 0.00 0.00 99.93 17:26:01 1 0.05 0.00 0.05 0.00 0.00 99.90 17:26:01 2 0.53 0.00 0.03 0.00 0.02 99.42 17:26:01 3 0.05 0.00 0.03 0.00 0.00 99.92 17:27:01 all 5.43 0.00 3.22 1.72 0.00 89.62 17:27:01 0 4.75 0.00 3.27 4.04 0.00 87.94 17:27:01 1 5.28 0.00 2.73 1.29 0.00 90.70 17:27:01 2 5.32 0.00 3.38 0.39 0.00 90.91 17:27:01 3 6.39 0.00 3.57 1.17 0.00 88.86 Average: all 1.22 0.00 0.66 0.29 0.00 97.83 Average: 0 1.11 0.00 0.70 0.51 0.00 97.67 Average: 1 1.05 0.00 0.60 0.17 0.00 98.18 Average: 2 1.36 0.00 0.69 0.30 0.00 97.65 Average: 3 1.36 0.00 0.67 0.17 0.00 97.80