---> uname -a: Linux 2a14aa4cd9fe 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-134 /dev/vda1 50.0G 6.4G 43.6G 13% /w/workspace/xfoundry_device-modbus-go_PR-134@tmp /dev/vda1 50.0G 6.4G 43.6G 13% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1838 619 75 0 1143 1113 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) 04/07/20 _x86_64_ (4 CPU) 04:45:36 LINUX RESTART 04:46:01 tps rtps wtps bread/s bwrtn/s 04:47:01 64.03 24.28 39.75 4455.39 3682.49 04:48:01 3.53 0.00 3.53 0.00 105.06 04:49:01 0.27 0.00 0.27 0.00 3.41 04:50:01 0.35 0.00 0.35 0.00 3.80 04:51:01 0.28 0.00 0.28 0.00 4.15 04:52:01 0.38 0.00 0.38 0.00 5.56 04:53:01 0.25 0.00 0.25 0.00 3.13 04:54:01 92.58 62.08 30.51 3981.24 15105.37 Average: 20.22 10.80 9.42 1055.26 2366.16 04:46:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 04:47:01 113704 1768600 93.96 2620 1212536 903172 30.82 439620 1169604 16 04:48:01 119388 1762916 93.66 2620 1212568 891568 30.42 436800 1169012 20 04:49:01 120020 1762284 93.62 2620 1212580 888424 30.31 436272 1168908 20 04:50:01 121708 1760596 93.53 2620 1212580 873792 29.81 434992 1168752 24 04:51:01 120932 1761372 93.58 2620 1212588 873936 29.82 435904 1168752 20 04:52:01 120364 1761940 93.61 2620 1212592 874032 29.82 436364 1168752 12 04:53:01 120852 1761452 93.58 2620 1212596 873984 29.82 436092 1168752 16 04:54:01 122876 1759428 93.47 2620 1158356 1084540 37.00 451316 1134092 5116 Average: 119981 1762324 93.63 2620 1205800 907931 30.98 438420 1164578 656 04:46:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 04:47:01 eth0 443.54 268.77 997.71 86.02 0.00 0.00 0.00 04:47:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:47:01 docker0 1.43 1.12 0.26 2.91 0.00 0.00 0.00 04:48:01 eth0 0.97 0.32 0.30 0.17 0.00 0.00 0.00 04:48:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:48:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:49:01 eth0 1.80 0.62 0.65 0.40 0.00 0.00 0.00 04:49:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:49:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:50:01 eth0 1.08 0.08 0.09 0.04 0.00 0.00 0.00 04:50:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:51:01 eth0 2.23 0.42 0.41 0.20 0.00 0.00 0.00 04:51:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:51:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:52:01 eth0 3.16 0.85 1.07 0.62 0.00 0.00 0.00 04:52:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:52:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:53:01 eth0 1.10 0.67 0.57 0.43 0.00 0.00 0.00 04:53:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:53:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:54:01 eth0 107.72 85.86 2325.98 10.46 0.00 0.00 0.00 04:54:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:54:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 70.23 44.72 416.18 12.30 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.18 0.14 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) 04/07/20 _x86_64_ (4 CPU) 04:45:36 LINUX RESTART 04:46:01 CPU %user %nice %system %iowait %steal %idle 04:47:01 all 12.50 0.00 4.31 1.04 0.01 82.14 04:47:01 0 11.89 0.00 4.50 0.55 0.02 83.04 04:47:01 1 12.46 0.00 4.52 2.76 0.00 80.25 04:47:01 2 12.21 0.00 4.69 0.49 0.00 82.61 04:47:01 3 13.45 0.00 3.52 0.35 0.00 82.67 04:48:01 all 0.20 0.00 0.07 0.00 0.00 99.73 04:48:01 0 0.05 0.00 0.03 0.00 0.00 99.92 04:48:01 1 0.12 0.00 0.08 0.00 0.00 99.80 04:48:01 2 0.07 0.00 0.05 0.00 0.00 99.88 04:48:01 3 0.57 0.00 0.10 0.00 0.02 99.32 04:49:01 all 0.20 0.00 0.06 0.00 0.00 99.73 04:49:01 0 0.07 0.00 0.03 0.00 0.00 99.90 04:49:01 1 0.08 0.00 0.07 0.00 0.00 99.85 04:49:01 2 0.13 0.00 0.10 0.00 0.00 99.77 04:49:01 3 0.53 0.00 0.05 0.00 0.00 99.42 04:50:01 all 0.18 0.00 0.08 0.00 0.00 99.74 04:50:01 0 0.05 0.00 0.05 0.00 0.00 99.90 04:50:01 1 0.02 0.00 0.05 0.00 0.00 99.93 04:50:01 2 0.08 0.00 0.15 0.00 0.00 99.77 04:50:01 3 0.57 0.00 0.08 0.00 0.00 99.35 04:51:01 all 0.20 0.00 0.05 0.00 0.00 99.75 04:51:01 0 0.05 0.00 0.02 0.00 0.00 99.93 04:51:01 1 0.10 0.00 0.07 0.00 0.02 99.82 04:51:01 2 0.10 0.00 0.05 0.00 0.00 99.85 04:51:01 3 0.55 0.00 0.03 0.00 0.00 99.42 04:52:01 all 0.20 0.00 0.06 0.00 0.00 99.74 04:52:01 0 0.05 0.00 0.03 0.00 0.00 99.92 04:52:01 1 0.08 0.00 0.05 0.00 0.00 99.87 04:52:01 2 0.15 0.00 0.07 0.00 0.00 99.78 04:52:01 3 0.52 0.00 0.10 0.00 0.00 99.38 04:53:01 all 0.10 0.00 0.07 0.00 0.00 99.83 04:53:01 0 0.12 0.00 0.08 0.00 0.00 99.80 04:53:01 1 0.07 0.00 0.07 0.00 0.00 99.87 04:53:01 2 0.08 0.00 0.07 0.00 0.00 99.85 04:53:01 3 0.13 0.00 0.10 0.00 0.00 99.77 04:54:01 all 3.86 0.00 2.57 1.18 0.01 92.38 04:54:01 0 3.66 0.00 2.69 0.65 0.02 92.99 04:54:01 1 3.58 0.00 2.39 0.92 0.00 93.11 04:54:01 2 3.92 0.00 2.42 0.60 0.02 93.04 04:54:01 3 4.29 0.00 2.72 2.57 0.00 90.42 Average: all 2.17 0.00 0.90 0.28 0.00 96.64 Average: 0 1.98 0.00 0.93 0.15 0.00 96.94 Average: 1 2.06 0.00 0.91 0.46 0.00 96.57 Average: 2 2.09 0.00 0.95 0.14 0.00 96.83 Average: 3 2.57 0.00 0.83 0.36 0.00 96.23