---> uname -a: Linux 3aebaa781ba0 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 6.4G 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-146 /dev/vda1 50.0G 6.4G 43.6G 13% /w/workspace/xfoundry_device-modbus-go_PR-146@tmp /dev/vda1 50.0G 6.4G 43.6G 13% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1838 625 66 0 1146 1108 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) 04/28/20 _x86_64_ (4 CPU) 03:17:20 LINUX RESTART 03:18:01 tps rtps wtps bread/s bwrtn/s 03:19:01 44.70 17.73 26.97 3076.40 3431.40 03:20:01 3.58 0.00 3.58 0.00 130.44 03:21:01 0.48 0.00 0.48 0.00 6.08 03:22:01 0.33 0.00 0.33 0.00 4.14 03:23:01 0.65 0.00 0.65 0.00 7.18 03:24:01 0.80 0.00 0.80 0.00 10.12 03:25:02 0.67 0.02 0.65 0.13 8.06 03:26:01 0.69 0.00 0.69 0.00 7.41 03:27:01 0.68 0.00 0.68 0.00 8.09 03:28:01 0.68 0.00 0.68 0.00 8.49 03:29:01 0.63 0.00 0.63 0.00 7.08 Average: 4.91 1.62 3.29 280.32 330.60 03:18:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:19:01 108384 1773920 94.24 2620 1203044 975060 33.27 447596 1161704 124 03:20:01 122024 1760280 93.52 2620 1203076 893964 30.50 441252 1158316 16 03:21:01 121212 1761092 93.56 2620 1203088 894168 30.51 442444 1158080 20 03:22:01 121756 1760548 93.53 2620 1203088 893964 30.50 444280 1155104 8 03:23:01 120988 1761316 93.57 2620 1203096 894204 30.51 445836 1155108 8 03:24:01 121412 1760892 93.55 2620 1203100 894080 30.51 444976 1155104 8 03:25:02 122340 1759964 93.50 2620 1203104 893964 30.50 444312 1155104 16 03:26:01 137032 1745272 92.72 2620 1203112 893964 30.50 429720 1154916 8 03:27:01 137312 1744992 92.71 2620 1203116 893964 30.50 429768 1154916 8 03:28:01 139668 1742636 92.58 2620 1203124 893964 30.50 427032 1154916 8 03:29:01 138412 1743892 92.65 2620 1203128 894180 30.51 428224 1154916 8 Average: 126413 1755891 93.28 2620 1203098 901407 30.76 438676 1156199 21 03:18:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 03:19:01 eth0 216.65 162.43 984.99 85.07 0.00 0.00 0.00 03:19:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:19:01 docker0 1.66 1.46 0.30 3.08 0.00 0.00 0.00 03:20:01 eth0 0.86 0.00 0.07 0.00 0.00 0.00 0.00 03:20:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:21:01 eth0 0.68 0.47 0.29 0.21 0.00 0.00 0.00 03:21:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:21:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:22:01 eth0 0.55 0.08 0.04 0.01 0.00 0.00 0.00 03:22:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:22:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:23:01 eth0 0.68 0.63 0.48 0.22 0.00 0.00 0.00 03:23:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:23:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:24:01 eth0 0.27 0.20 0.14 0.07 0.00 0.00 0.00 03:24:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:24:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:25:02 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 03:25:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:25:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:26:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 03:26:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:26:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:27:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 03:27:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:27:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:28:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 03:28:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:28:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:29:01 eth0 1.50 0.70 0.47 0.29 0.00 0.00 0.00 03:29:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:29:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 20.18 15.02 89.89 7.83 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.15 0.13 0.03 0.28 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) 03:17:20 LINUX RESTART 03:18:01 CPU %user %nice %system %iowait %steal %idle 03:19:01 all 11.39 0.00 4.80 0.92 21.27 61.63 03:19:01 0 9.65 0.00 4.49 0.87 23.91 61.08 03:19:01 1 10.75 0.00 4.68 0.86 21.02 62.69 03:19:01 2 14.54 0.00 5.04 1.32 19.30 59.80 03:19:01 3 10.74 0.00 4.99 0.65 20.75 62.86 03:20:01 all 0.12 0.00 0.12 0.00 1.23 98.53 03:20:01 0 0.05 0.00 0.07 0.00 1.22 98.66 03:20:01 1 0.08 0.00 0.18 0.00 1.49 98.25 03:20:01 2 0.27 0.00 0.12 0.00 0.94 98.67 03:20:01 3 0.07 0.00 0.12 0.00 1.26 98.56 03:21:01 all 0.10 0.00 0.04 0.00 0.63 99.23 03:21:01 0 0.23 0.00 0.07 0.00 1.14 98.56 03:21:01 1 0.03 0.00 0.02 0.00 0.32 99.63 03:21:01 2 0.10 0.00 0.03 0.00 0.53 99.34 03:21:01 3 0.05 0.00 0.02 0.00 0.55 99.39 03:22:01 all 0.07 0.00 0.05 0.00 0.85 99.03 03:22:01 0 0.12 0.00 0.05 0.00 1.03 98.81 03:22:01 1 0.08 0.00 0.10 0.00 1.37 98.45 03:22:01 2 0.03 0.00 0.03 0.00 0.60 99.34 03:22:01 3 0.03 0.00 0.03 0.00 0.40 99.54 03:23:01 all 0.11 0.00 0.05 0.00 1.04 98.81 03:23:01 0 0.25 0.00 0.05 0.00 1.27 98.43 03:23:01 1 0.03 0.00 0.03 0.00 1.40 98.53 03:23:01 2 0.10 0.00 0.03 0.00 0.61 99.25 03:23:01 3 0.05 0.00 0.07 0.00 0.86 99.02 03:24:01 all 0.10 0.00 0.04 0.00 0.29 99.57 03:24:01 0 0.15 0.00 0.03 0.00 0.40 99.42 03:24:01 1 0.15 0.00 0.05 0.00 0.17 99.63 03:24:01 2 0.07 0.00 0.03 0.00 0.25 99.65 03:24:01 3 0.05 0.00 0.03 0.00 0.33 99.58 03:25:02 all 0.08 0.00 0.04 0.00 0.32 99.55 03:25:02 0 0.17 0.00 0.02 0.00 0.33 99.48 03:25:02 1 0.10 0.00 0.05 0.00 0.42 99.43 03:25:02 2 0.03 0.00 0.05 0.00 0.22 99.70 03:25:02 3 0.03 0.00 0.05 0.00 0.35 99.57 03:26:01 all 0.09 0.00 0.04 0.00 0.50 99.37 03:26:01 0 0.07 0.00 0.05 0.00 0.37 99.51 03:26:01 1 0.22 0.00 0.05 0.00 0.73 99.00 03:26:01 2 0.03 0.00 0.03 0.00 0.29 99.65 03:26:01 3 0.03 0.00 0.03 0.00 0.61 99.32 03:27:01 all 0.10 0.00 0.05 0.00 0.28 99.58 03:27:01 0 0.03 0.00 0.03 0.00 0.47 99.47 03:27:01 1 0.27 0.00 0.05 0.00 0.20 99.48 03:27:01 2 0.05 0.00 0.02 0.00 0.12 99.82 03:27:01 3 0.05 0.00 0.07 0.00 0.33 99.55 03:28:01 all 0.12 0.00 0.04 0.00 0.17 99.67 03:28:01 0 0.05 0.00 0.07 0.00 0.47 99.42 03:28:01 1 0.30 0.00 0.05 0.00 0.12 99.53 03:28:01 2 0.07 0.00 0.05 0.00 0.07 99.82 03:28:01 3 0.07 0.00 0.03 0.00 0.05 99.85 03:29:01 all 0.10 0.00 0.05 0.00 0.33 99.52 03:29:01 0 0.03 0.00 0.03 0.00 0.76 99.17 03:29:01 1 0.13 0.00 0.03 0.00 0.12 99.72 03:29:01 2 0.20 0.00 0.05 0.00 0.22 99.53 03:29:01 3 0.05 0.00 0.03 0.00 0.20 99.72 Average: all 1.17 0.00 0.50 0.09 2.53 95.70 Average: 0 1.03 0.00 0.47 0.08 2.98 95.43 Average: 1 1.16 0.00 0.51 0.08 2.59 95.66 Average: 2 1.44 0.00 0.51 0.12 2.14 95.79 Average: 3 1.06 0.00 0.52 0.06 2.41 95.95