---> uname -a: Linux ffe63135ba40 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 6.3G 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-139@tmp /dev/vda1 50.0G 6.3G 43.7G 13% /var/log/sa /dev/vda1 50.0G 6.3G 43.7G 13% /w/workspace/xfoundry_device-modbus-go_PR-139 ---> free -m: total used free shared buff/cache available Mem: 1838 596 64 0 1177 1138 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) 04/21/20 _x86_64_ (4 CPU) 20:08:52 LINUX RESTART 20:10:01 tps rtps wtps bread/s bwrtn/s 20:11:01 2.61 0.00 2.61 0.00 96.02 20:12:01 0.25 0.00 0.25 0.00 3.46 20:13:01 0.25 0.00 0.25 0.00 3.41 20:14:01 0.32 0.00 0.32 0.00 3.91 20:15:01 0.35 0.00 0.35 0.00 4.51 20:16:01 0.28 0.00 0.28 0.00 3.00 20:17:01 0.28 0.00 0.28 0.00 3.06 20:18:01 0.33 0.00 0.33 0.00 4.86 20:19:02 0.22 0.00 0.22 0.00 3.11 Average: 0.54 0.00 0.54 0.00 13.93 20:10:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:11:01 132544 1749760 92.96 2620 1224596 897152 30.61 416844 1170200 32 20:12:01 131568 1750736 93.01 2620 1224544 897344 30.62 417968 1169900 8 20:13:01 131936 1750368 92.99 2620 1224556 897296 30.62 417812 1169900 8 20:14:01 132332 1749972 92.97 2620 1224556 897284 30.61 417788 1169900 8 20:15:01 132600 1749704 92.96 2620 1224564 897236 30.61 417448 1169900 8 20:16:01 133184 1749120 92.92 2620 1224568 897280 30.61 417028 1169896 8 20:17:01 133688 1748616 92.90 2620 1224572 897280 30.61 416628 1169896 8 20:18:01 133440 1748864 92.91 2620 1224576 897280 30.61 416508 1169896 8 20:19:02 133704 1748600 92.90 2620 1224580 897280 30.61 416644 1169896 8 Average: 132777 1749527 92.95 2620 1224568 897270 30.61 417185 1169932 11 20:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 20:11:01 eth0 1.17 0.08 0.08 0.01 0.00 0.00 0.00 20:11:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:11:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:12:01 eth0 1.78 0.42 0.38 0.20 0.00 0.00 0.00 20:12:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:12:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:13:01 eth0 1.35 0.55 0.57 0.36 0.00 0.00 0.00 20:13:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:13:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:14:01 eth0 0.53 0.28 0.27 0.23 0.00 0.00 0.00 20:14:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:14:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:15:01 eth0 0.28 0.20 0.14 0.07 0.00 0.00 0.00 20:15:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:15:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:16:01 eth0 0.12 0.08 0.01 0.01 0.00 0.00 0.00 20:16:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:16:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:17:01 eth0 0.05 0.02 0.00 0.00 0.00 0.00 0.00 20:17:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:17:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:18:01 eth0 0.07 0.07 0.01 0.01 0.00 0.00 0.00 20:18:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:18:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:19:02 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 20:19:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:19:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 0.60 0.20 0.16 0.10 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 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) 20:08:52 LINUX RESTART 20:10:01 CPU %user %nice %system %iowait %steal %idle 20:11:01 all 0.21 0.00 0.07 0.00 0.00 99.72 20:11:01 0 0.58 0.00 0.07 0.00 0.02 99.33 20:11:01 1 0.07 0.00 0.05 0.00 0.00 99.88 20:11:01 2 0.07 0.00 0.07 0.00 0.00 99.87 20:11:01 3 0.15 0.00 0.12 0.00 0.00 99.73 20:12:01 all 0.19 0.00 0.05 0.00 0.00 99.76 20:12:01 0 0.52 0.00 0.03 0.00 0.00 99.45 20:12:01 1 0.05 0.00 0.05 0.00 0.00 99.90 20:12:01 2 0.10 0.00 0.08 0.00 0.00 99.82 20:12:01 3 0.08 0.00 0.07 0.00 0.00 99.85 20:13:01 all 0.17 0.00 0.06 0.00 0.00 99.76 20:13:01 0 0.50 0.00 0.05 0.00 0.00 99.45 20:13:01 1 0.02 0.00 0.03 0.00 0.02 99.93 20:13:01 2 0.10 0.00 0.08 0.00 0.00 99.82 20:13:01 3 0.05 0.00 0.03 0.00 0.00 99.92 20:14:01 all 0.19 0.00 0.05 0.00 0.00 99.77 20:14:01 0 0.55 0.00 0.05 0.00 0.00 99.40 20:14:01 1 0.07 0.00 0.05 0.00 0.00 99.88 20:14:01 2 0.08 0.00 0.05 0.00 0.00 99.87 20:14:01 3 0.05 0.00 0.05 0.00 0.00 99.90 20:15:01 all 0.17 0.00 0.05 0.00 0.00 99.78 20:15:01 0 0.55 0.00 0.08 0.00 0.00 99.37 20:15:01 1 0.05 0.00 0.05 0.00 0.00 99.90 20:15:01 2 0.05 0.00 0.03 0.00 0.00 99.92 20:15:01 3 0.03 0.00 0.03 0.00 0.00 99.93 20:16:01 all 0.19 0.00 0.05 0.00 0.00 99.76 20:16:01 0 0.43 0.00 0.05 0.00 0.00 99.52 20:16:01 1 0.15 0.00 0.03 0.00 0.00 99.82 20:16:01 2 0.08 0.00 0.07 0.00 0.00 99.85 20:16:01 3 0.10 0.00 0.05 0.00 0.00 99.85 20:17:01 all 0.18 0.00 0.05 0.00 0.00 99.77 20:17:01 0 0.03 0.00 0.03 0.00 0.00 99.93 20:17:01 1 0.55 0.00 0.05 0.00 0.00 99.40 20:17:01 2 0.03 0.00 0.05 0.00 0.00 99.92 20:17:01 3 0.07 0.00 0.07 0.00 0.00 99.87 20:18:01 all 0.15 0.00 0.06 0.00 0.00 99.79 20:18:01 0 0.03 0.00 0.02 0.00 0.00 99.95 20:18:01 1 0.43 0.00 0.10 0.00 0.00 99.47 20:18:01 2 0.08 0.00 0.03 0.00 0.00 99.88 20:18:01 3 0.07 0.00 0.07 0.00 0.00 99.87 20:19:02 all 0.06 0.00 0.06 0.00 0.00 99.87 20:19:02 0 0.03 0.00 0.05 0.00 0.00 99.92 20:19:02 1 0.07 0.00 0.07 0.00 0.00 99.87 20:19:02 2 0.05 0.00 0.07 0.00 0.00 99.88 20:19:02 3 0.08 0.00 0.05 0.00 0.00 99.87 Average: all 0.17 0.00 0.06 0.00 0.00 99.78 Average: 0 0.36 0.00 0.05 0.00 0.00 99.59 Average: 1 0.16 0.00 0.05 0.00 0.00 99.78 Average: 2 0.07 0.00 0.06 0.00 0.00 99.87 Average: 3 0.08 0.00 0.06 0.00 0.00 99.86