---> uname -a: Linux 25b0b35afc92 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: 2933.396 BogoMIPS: 5866.79 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 66 0 1160 1122 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) 02/21/20 _x86_64_ (4 CPU) 04:06:08 LINUX RESTART 04:07:01 tps rtps wtps bread/s bwrtn/s 04:08:01 9.73 0.05 9.68 1.60 1850.11 04:09:02 2.18 0.00 2.18 0.00 72.49 04:10:01 0.32 0.00 0.32 0.00 3.71 04:11:01 0.30 0.00 0.30 0.00 2.85 04:12:01 0.25 0.00 0.25 0.00 3.65 04:13:01 0.33 0.00 0.33 0.00 4.83 04:14:01 0.28 0.00 0.28 0.00 3.60 04:15:01 105.81 62.84 42.97 5300.17 16292.67 Average: 14.93 7.88 7.05 664.23 2284.37 04:07:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 04:08:01 118868 1763436 93.68 2620 1236600 905128 30.88 423252 1182436 20 04:09:02 120124 1762180 93.62 2620 1236604 894848 30.53 422616 1182092 16 04:10:01 118368 1763936 93.71 2620 1236612 895076 30.54 423896 1182088 12 04:11:01 119424 1762880 93.66 2620 1236612 894848 30.53 422680 1182088 20 04:12:01 119596 1762708 93.65 2620 1236620 894908 30.53 423016 1182088 16 04:13:01 120008 1762296 93.62 2620 1236624 894848 30.53 422728 1182084 12 04:14:01 121820 1760484 93.53 2620 1236628 894848 30.53 420508 1182080 12 04:15:01 77596 1804708 95.88 2620 1201276 960048 32.76 445432 1155852 47940 Average: 114476 1767829 93.92 2620 1232197 904319 30.85 425516 1178851 6006 04:07:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 04:08:01 eth0 5.26 3.05 3.84 0.21 0.00 0.00 0.00 04:08:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:08:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:09:02 eth0 0.40 0.08 0.04 0.01 0.00 0.00 0.00 04:09:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:09:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:10:01 eth0 1.15 0.59 0.57 0.40 0.00 0.00 0.00 04:10:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:11:01 eth0 0.03 0.02 0.00 0.00 0.00 0.00 0.00 04:11:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:11:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:12:01 eth0 0.20 0.15 0.08 0.07 0.00 0.00 0.00 04:12:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:12:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:13:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 04:13:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:13:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:14:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 04:14:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:14:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:15:01 eth0 100.17 81.24 2126.18 13.85 0.00 0.00 0.00 04:15:01 veth3d2d7a1 0.00 0.10 0.00 0.01 0.00 0.00 0.00 04:15:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 04:15:01 docker0 1.68 1.48 0.27 2.91 0.00 0.00 0.00 Average: eth0 13.45 10.68 266.94 1.82 0.00 0.00 0.00 Average: veth3d2d7a1 0.00 0.01 0.00 0.00 0.00 0.00 0.00 Average: lo 0.01 0.01 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.21 0.19 0.03 0.36 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) 02/21/20 _x86_64_ (4 CPU) 04:06:08 LINUX RESTART 04:07:01 CPU %user %nice %system %iowait %steal %idle 04:08:01 all 0.23 0.00 0.14 0.00 0.00 99.62 04:08:01 0 0.55 0.00 0.12 0.00 0.00 99.33 04:08:01 1 0.12 0.00 0.12 0.00 0.00 99.77 04:08:01 2 0.10 0.00 0.10 0.00 0.00 99.80 04:08:01 3 0.15 0.00 0.20 0.00 0.00 99.65 04:09:02 all 0.18 0.00 0.06 0.00 0.00 99.76 04:09:02 0 0.45 0.00 0.03 0.00 0.00 99.52 04:09:02 1 0.10 0.00 0.07 0.00 0.00 99.83 04:09:02 2 0.08 0.00 0.05 0.00 0.00 99.87 04:09:02 3 0.08 0.00 0.08 0.00 0.02 99.82 04:10:01 all 0.21 0.00 0.08 0.00 0.00 99.72 04:10:01 0 0.14 0.00 0.10 0.00 0.00 99.76 04:10:01 1 0.15 0.00 0.07 0.00 0.00 99.78 04:10:01 2 0.44 0.00 0.05 0.00 0.02 99.49 04:10:01 3 0.08 0.00 0.08 0.00 0.00 99.83 04:11:01 all 0.19 0.00 0.04 0.00 0.00 99.77 04:11:01 0 0.05 0.00 0.03 0.00 0.00 99.92 04:11:01 1 0.03 0.00 0.03 0.00 0.00 99.93 04:11:01 2 0.62 0.00 0.03 0.00 0.00 99.35 04:11:01 3 0.05 0.00 0.07 0.00 0.00 99.88 04:12:01 all 0.17 0.00 0.05 0.00 0.00 99.78 04:12:01 0 0.33 0.00 0.08 0.00 0.00 99.58 04:12:01 1 0.03 0.00 0.02 0.00 0.00 99.95 04:12:01 2 0.28 0.00 0.05 0.00 0.00 99.67 04:12:01 3 0.05 0.00 0.05 0.00 0.00 99.90 04:13:01 all 0.19 0.00 0.04 0.00 0.00 99.77 04:13:01 0 0.50 0.00 0.03 0.00 0.00 99.47 04:13:01 1 0.08 0.00 0.05 0.00 0.00 99.87 04:13:01 2 0.07 0.00 0.03 0.00 0.00 99.90 04:13:01 3 0.10 0.00 0.07 0.00 0.00 99.83 04:14:01 all 0.18 0.00 0.05 0.00 0.00 99.77 04:14:01 0 0.13 0.00 0.03 0.00 0.00 99.83 04:14:01 1 0.05 0.00 0.03 0.00 0.00 99.92 04:14:01 2 0.45 0.00 0.05 0.00 0.00 99.50 04:14:01 3 0.07 0.00 0.07 0.00 0.00 99.87 04:15:01 all 5.37 0.00 3.13 1.76 0.01 89.72 04:15:01 0 6.16 0.00 3.30 1.52 0.00 89.01 04:15:01 1 4.75 0.00 3.08 1.76 0.02 90.39 04:15:01 2 5.54 0.00 3.38 2.14 0.02 88.91 04:15:01 3 5.01 0.00 2.79 1.65 0.00 90.55 Average: all 0.84 0.00 0.45 0.22 0.00 98.49 Average: 0 1.04 0.00 0.47 0.19 0.00 98.31 Average: 1 0.66 0.00 0.43 0.22 0.00 98.68 Average: 2 0.95 0.00 0.47 0.27 0.00 98.31 Average: 3 0.70 0.00 0.42 0.20 0.00 98.67