---> uname -a: Linux 43f8d97b9073 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 7.4G 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 7.4G 42.6G 15% /etc/resolv.conf /dev/vda1 50.0G 7.4G 42.6G 15% /etc/hostname /dev/vda1 50.0G 7.4G 42.6G 15% /etc/hosts /dev/vda1 50.0G 7.4G 42.6G 15% /w/workspace/xfoundry_device-modbus-go_master /dev/vda1 50.0G 7.4G 42.6G 15% /w/workspace/xfoundry_device-modbus-go_master@tmp /dev/vda1 50.0G 7.4G 42.6G 15% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1838 750 83 0 1003 1023 Swap: 1023 2 1021 ---> 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) 01/23/20 _x86_64_ (4 CPU) 18:25:08 LINUX RESTART 18:26:01 tps rtps wtps bread/s bwrtn/s 18:27:01 18.71 6.43 12.29 1844.25 1941.14 18:28:01 2.66 0.00 2.66 0.00 82.41 18:29:01 0.40 0.00 0.40 0.00 5.74 18:30:01 0.23 0.00 0.23 0.00 3.31 18:31:01 0.22 0.00 0.22 0.00 3.00 18:32:02 0.32 0.00 0.32 0.00 4.69 18:33:01 0.27 0.00 0.27 0.00 3.79 18:34:01 0.27 0.00 0.27 0.00 3.81 18:35:01 0.28 0.00 0.28 0.00 3.48 18:36:01 188.22 104.02 84.20 4084.45 29395.42 18:37:01 101.51 38.15 63.36 2076.20 17170.66 18:38:01 214.47 109.75 104.72 5798.80 25639.24 Average: 44.09 21.59 22.50 1153.41 6207.81 18:26:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:27:01 117396 1764908 93.76 2620 1226676 952264 32.49 421564 1185028 16 18:28:01 124988 1757316 93.36 2620 1226684 901376 30.75 416024 1184236 8 18:29:01 124492 1757812 93.39 2620 1226692 901512 30.76 416468 1184236 20 18:30:01 124064 1758240 93.41 2620 1226692 901580 30.76 416792 1184236 16 18:31:01 124212 1758092 93.40 2620 1226700 901624 30.76 416748 1184236 20 18:32:02 124308 1757996 93.40 2620 1226704 901780 30.77 417172 1184236 16 18:33:01 128640 1753664 93.17 2620 1226708 901756 30.77 412484 1184120 20 18:34:01 130664 1751640 93.06 2620 1226712 901480 30.76 410836 1184120 16 18:35:01 129696 1752608 93.11 2620 1226720 901636 30.76 412000 1184124 20 18:36:01 78608 1803696 95.82 2620 1135452 1178052 40.19 532852 1065432 23508 18:37:01 73372 1808932 96.10 2620 1130752 1182508 40.35 589336 1000388 65100 18:38:01 99656 1782648 94.71 2472 1036632 1222508 41.71 620632 878256 30156 Average: 115008 1767296 93.89 2608 1195260 979006 33.40 456909 1133554 9910 18:26:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 18:27:01 eth0 70.13 58.83 422.98 34.73 0.00 0.00 0.00 18:27:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:27:01 docker0 1.13 1.17 0.22 2.38 0.00 0.00 0.00 18:28:01 eth0 1.58 0.28 0.34 0.20 0.00 0.00 0.00 18:28:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:28:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:29:01 eth0 1.53 0.48 0.63 0.39 0.00 0.00 0.00 18:29:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:29:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:30:01 eth0 0.63 0.32 0.29 0.20 0.00 0.00 0.00 18:30:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:31:01 eth0 2.63 0.78 1.00 0.44 0.00 0.00 0.00 18:31:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:31:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:32:02 eth0 5.33 1.45 1.82 1.17 0.00 0.00 0.00 18:32:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:32:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:33:01 eth0 1.27 0.71 0.57 0.38 0.00 0.00 0.00 18:33:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:33:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:34:01 eth0 0.67 0.10 0.04 0.07 0.00 0.00 0.00 18:34:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:34:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:35:01 eth0 1.57 0.43 0.32 0.18 0.00 0.00 0.00 18:35:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:35:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:36:01 eth0 332.90 283.14 4440.17 31.55 0.00 0.00 0.00 18:36:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:36:01 vethe3256b3 169.73 198.32 14.88 960.92 0.00 0.00 0.00 18:36:01 docker0 170.85 199.35 12.78 963.29 0.00 0.00 0.00 18:37:01 eth0 212.94 193.16 3764.60 80.14 0.00 0.00 0.00 18:37:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:37:01 docker0 24.01 25.32 1.54 150.98 0.00 0.00 0.00 18:38:01 eth0 165.07 134.07 2396.36 64.06 0.00 0.00 0.00 18:38:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:38:01 docker0 32.85 36.11 1.95 222.15 0.00 0.00 0.00 Average: eth0 66.57 56.33 922.27 17.84 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 19.05 21.81 1.36 111.77 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) 01/23/20 _x86_64_ (4 CPU) 18:25:08 LINUX RESTART 18:26:01 CPU %user %nice %system %iowait %steal %idle 18:27:01 all 3.26 0.00 1.53 0.26 2.22 92.74 18:27:01 0 2.57 0.00 1.93 0.10 2.33 93.07 18:27:01 1 3.95 0.00 1.42 0.10 2.34 92.19 18:27:01 2 3.62 0.00 1.32 0.32 2.01 92.73 18:27:01 3 2.86 0.00 1.42 0.49 2.18 93.05 18:28:01 all 0.15 0.00 0.07 0.00 0.05 99.74 18:28:01 0 0.03 0.00 0.10 0.00 0.05 99.82 18:28:01 1 0.08 0.00 0.07 0.00 0.07 99.78 18:28:01 2 0.07 0.00 0.05 0.00 0.05 99.83 18:28:01 3 0.42 0.00 0.05 0.00 0.03 99.50 18:29:01 all 0.15 0.00 0.05 0.00 0.11 99.69 18:29:01 0 0.25 0.00 0.08 0.00 0.27 99.40 18:29:01 1 0.03 0.00 0.03 0.00 0.03 99.90 18:29:01 2 0.08 0.00 0.07 0.00 0.08 99.77 18:29:01 3 0.22 0.00 0.05 0.00 0.07 99.67 18:30:01 all 0.11 0.00 0.06 0.00 0.08 99.75 18:30:01 0 0.07 0.00 0.10 0.00 0.03 99.80 18:30:01 1 0.28 0.00 0.05 0.00 0.13 99.53 18:30:01 2 0.07 0.00 0.05 0.00 0.10 99.78 18:30:01 3 0.03 0.00 0.03 0.00 0.05 99.88 18:31:01 all 0.18 0.00 0.05 0.00 0.08 99.70 18:31:01 0 0.05 0.00 0.02 0.00 0.07 99.87 18:31:01 1 0.10 0.00 0.03 0.00 0.07 99.80 18:31:01 2 0.42 0.00 0.05 0.00 0.10 99.43 18:31:01 3 0.15 0.00 0.05 0.00 0.07 99.73 18:32:02 all 0.14 0.00 0.05 0.00 0.21 99.61 18:32:02 0 0.07 0.00 0.03 0.00 0.15 99.75 18:32:02 1 0.07 0.00 0.05 0.00 0.10 99.78 18:32:02 2 0.35 0.00 0.07 0.00 0.33 99.25 18:32:02 3 0.07 0.00 0.07 0.00 0.23 99.63 18:33:01 all 0.16 0.00 0.03 0.00 0.09 99.72 18:33:01 0 0.07 0.00 0.02 0.00 0.08 99.83 18:33:01 1 0.05 0.00 0.03 0.00 0.08 99.83 18:33:01 2 0.44 0.00 0.02 0.00 0.07 99.47 18:33:01 3 0.07 0.00 0.05 0.00 0.12 99.76 18:34:01 all 0.13 0.00 0.04 0.00 0.05 99.77 18:34:01 0 0.03 0.00 0.03 0.00 0.05 99.88 18:34:01 1 0.03 0.00 0.02 0.00 0.02 99.93 18:34:01 2 0.35 0.00 0.07 0.00 0.07 99.52 18:34:01 3 0.10 0.00 0.07 0.00 0.10 99.73 18:35:01 all 0.10 0.00 0.04 0.00 0.08 99.77 18:35:01 0 0.03 0.00 0.02 0.00 0.10 99.85 18:35:01 1 0.12 0.00 0.03 0.00 0.03 99.82 18:35:01 2 0.20 0.00 0.07 0.00 0.03 99.70 18:35:01 3 0.05 0.00 0.03 0.00 0.17 99.75 18:36:01 all 8.17 0.00 4.30 1.26 6.93 79.34 18:36:01 0 7.38 0.00 4.39 0.77 7.20 80.26 18:36:01 1 9.95 0.00 4.40 1.34 6.87 77.44 18:36:01 2 8.22 0.00 4.66 1.61 6.14 79.37 18:36:01 3 7.16 0.00 3.72 1.31 7.48 80.32 18:37:01 all 11.07 0.00 5.32 1.12 8.19 74.30 18:37:01 0 9.02 0.00 5.39 1.21 9.03 75.34 18:37:01 1 12.96 0.00 5.25 1.83 7.74 72.22 18:37:01 2 10.75 0.00 4.41 0.77 8.01 76.07 18:37:01 3 11.58 0.00 6.26 0.69 7.97 73.50 18:38:01 all 9.43 0.00 5.70 2.29 7.31 75.26 18:38:01 0 8.11 0.00 5.72 1.20 7.75 77.21 18:38:01 1 8.18 0.00 6.30 1.77 7.22 76.53 18:38:01 2 9.43 0.00 5.36 0.85 6.85 77.52 18:38:01 3 12.04 0.00 5.43 5.40 7.43 69.70 Average: all 2.73 0.00 1.42 0.41 2.10 93.33 Average: 0 2.29 0.00 1.48 0.27 2.25 93.71 Average: 1 2.96 0.00 1.46 0.42 2.04 93.12 Average: 2 2.81 0.00 1.34 0.29 1.97 93.59 Average: 3 2.87 0.00 1.42 0.65 2.14 92.92