---> uname -a: Linux 9aae16bbefa5 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 6.3G 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% /var/log/sa /dev/vda1 50.0G 6.3G 43.7G 13% /w/workspace/xfoundry_device-modbus-go_PR-149 /dev/vda1 50.0G 6.3G 43.7G 13% /w/workspace/xfoundry_device-modbus-go_PR-149@tmp ---> free -m: total used free shared buff/cache available Mem: 1838 628 86 0 1124 1105 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) 05/13/20 _x86_64_ (4 CPU) 13:57:53 LINUX RESTART 13:59:01 tps rtps wtps bread/s bwrtn/s 14:00:01 7.13 0.00 7.13 0.00 1524.53 14:01:02 0.23 0.02 0.22 0.13 2.96 14:02:01 0.52 0.12 0.41 2.17 7.58 14:03:01 0.23 0.00 0.23 0.00 2.83 14:04:01 0.25 0.00 0.25 0.00 3.61 14:05:01 0.32 0.02 0.30 0.13 3.91 14:06:01 0.28 0.00 0.28 0.00 2.88 14:07:01 0.17 0.00 0.17 0.00 1.65 14:08:01 0.32 0.00 0.32 0.00 3.38 Average: 1.05 0.02 1.03 0.27 172.92 13:59:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:00:01 115848 1766456 93.85 2620 1204788 951744 32.47 445980 1157660 16 14:01:02 114656 1767648 93.91 2620 1204796 954308 32.56 447352 1157376 8 14:02:01 116236 1766068 93.82 2620 1204940 945120 32.25 448548 1154928 8 14:03:01 115992 1766312 93.84 2620 1204944 945144 32.25 448820 1154928 8 14:04:01 117484 1764820 93.76 2620 1204948 929824 31.73 447460 1154820 20 14:05:01 117672 1764632 93.75 2620 1204960 929912 31.73 447664 1154820 8 14:06:01 121352 1760952 93.55 2620 1204960 912448 31.13 444808 1154636 8 14:07:01 121564 1760740 93.54 2620 1204968 912352 31.13 444308 1154640 8 14:08:01 121564 1760740 93.54 2620 1204972 912352 31.13 444328 1154636 8 Average: 118041 1764263 93.73 2620 1204920 932578 31.82 446585 1155383 10 13:59:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 14:00:01 eth0 2.85 0.83 1.11 0.57 0.00 0.00 0.00 14:00:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:01:02 eth0 2.55 0.48 0.68 0.39 0.00 0.00 0.00 14:01:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:01:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:02:01 eth0 2.64 0.63 0.70 0.44 0.00 0.00 0.00 14:02:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:02:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:03:01 eth0 2.78 0.75 0.69 0.41 0.00 0.00 0.00 14:03:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:03:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:04:01 eth0 1.90 0.60 0.75 0.42 0.00 0.00 0.00 14:04:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:04:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:05:01 eth0 0.60 0.35 0.28 0.23 0.00 0.00 0.00 14:05:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:05:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:06:01 eth0 0.88 0.27 0.30 0.20 0.00 0.00 0.00 14:06:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:06:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:07:01 eth0 0.08 0.05 0.01 0.00 0.00 0.00 0.00 14:07:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:07:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:08:01 eth0 0.12 0.08 0.01 0.01 0.00 0.00 0.00 14:08:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:08:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 1.60 0.45 0.50 0.30 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.00 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) 05/13/20 _x86_64_ (4 CPU) 13:57:53 LINUX RESTART 13:59:01 CPU %user %nice %system %iowait %steal %idle 14:00:01 all 0.14 0.00 0.10 0.17 0.05 99.55 14:00:01 0 0.17 0.00 0.08 0.00 0.00 99.75 14:00:01 1 0.18 0.00 0.12 0.00 0.03 99.67 14:00:01 2 0.10 0.00 0.08 0.00 0.08 99.73 14:00:01 3 0.10 0.00 0.08 0.70 0.05 99.07 14:01:02 all 0.16 0.00 0.07 0.00 0.07 99.70 14:01:02 0 0.17 0.00 0.07 0.00 0.10 99.67 14:01:02 1 0.10 0.00 0.07 0.00 0.05 99.78 14:01:02 2 0.28 0.00 0.08 0.00 0.12 99.52 14:01:02 3 0.08 0.00 0.07 0.00 0.03 99.82 14:02:01 all 0.19 0.00 0.11 0.00 0.06 99.63 14:02:01 0 0.07 0.00 0.05 0.00 0.03 99.85 14:02:01 1 0.10 0.00 0.05 0.00 0.03 99.81 14:02:01 2 0.46 0.00 0.15 0.00 0.08 99.31 14:02:01 3 0.14 0.00 0.19 0.02 0.10 99.56 14:03:01 all 0.19 0.00 0.06 0.00 0.02 99.72 14:03:01 0 0.05 0.00 0.03 0.00 0.02 99.90 14:03:01 1 0.15 0.00 0.07 0.00 0.03 99.75 14:03:01 2 0.12 0.00 0.10 0.00 0.02 99.77 14:03:01 3 0.45 0.00 0.07 0.00 0.02 99.47 14:04:01 all 0.20 0.00 0.05 0.00 0.01 99.75 14:04:01 0 0.05 0.00 0.03 0.00 0.00 99.92 14:04:01 1 0.57 0.00 0.05 0.00 0.02 99.37 14:04:01 2 0.12 0.00 0.07 0.00 0.02 99.80 14:04:01 3 0.05 0.00 0.03 0.00 0.00 99.92 14:05:01 all 0.19 0.00 0.04 0.00 0.00 99.77 14:05:01 0 0.07 0.00 0.05 0.00 0.00 99.88 14:05:01 1 0.57 0.00 0.02 0.00 0.00 99.42 14:05:01 2 0.10 0.00 0.03 0.00 0.00 99.87 14:05:01 3 0.03 0.00 0.03 0.00 0.00 99.93 14:06:01 all 0.18 0.00 0.05 0.00 0.01 99.76 14:06:01 0 0.05 0.00 0.03 0.00 0.00 99.92 14:06:01 1 0.53 0.00 0.05 0.00 0.02 99.40 14:06:01 2 0.08 0.00 0.07 0.00 0.02 99.83 14:06:01 3 0.03 0.00 0.05 0.00 0.02 99.90 14:07:01 all 0.17 0.00 0.06 0.00 0.03 99.74 14:07:01 0 0.08 0.00 0.08 0.00 0.02 99.82 14:07:01 1 0.48 0.00 0.07 0.00 0.03 99.42 14:07:01 2 0.08 0.00 0.05 0.00 0.02 99.85 14:07:01 3 0.05 0.00 0.05 0.00 0.03 99.87 14:08:01 all 0.06 0.00 0.05 0.00 0.02 99.87 14:08:01 0 0.03 0.00 0.03 0.00 0.02 99.92 14:08:01 1 0.08 0.00 0.08 0.00 0.02 99.82 14:08:01 2 0.08 0.00 0.05 0.00 0.00 99.87 14:08:01 3 0.02 0.00 0.03 0.00 0.03 99.92 Average: all 0.16 0.00 0.06 0.02 0.03 99.72 Average: 0 0.08 0.00 0.05 0.00 0.02 99.85 Average: 1 0.31 0.00 0.06 0.00 0.03 99.60 Average: 2 0.16 0.00 0.08 0.00 0.04 99.73 Average: 3 0.11 0.00 0.07 0.08 0.03 99.72