---> uname -a: Linux 4cdb529dbf22 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-139@tmp /dev/vda1 50.0G 6.4G 43.6G 13% /var/log/sa /dev/vda1 50.0G 6.4G 43.6G 13% /w/workspace/xfoundry_device-modbus-go_PR-139 ---> free -m: total used free shared buff/cache available Mem: 1838 621 74 0 1142 1111 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) 04/18/20 _x86_64_ (4 CPU) 16:51:42 LINUX RESTART 16:52:01 tps rtps wtps bread/s bwrtn/s 16:53:01 106.54 34.89 71.65 4857.52 34992.84 16:54:01 2.83 0.00 2.83 0.00 94.59 16:55:01 0.42 0.00 0.42 0.00 5.40 16:56:01 0.25 0.00 0.25 0.00 3.31 16:57:01 0.23 0.00 0.23 0.00 3.60 16:58:01 0.32 0.00 0.32 0.00 4.18 16:59:02 0.32 0.00 0.32 0.00 3.61 17:00:01 0.29 0.00 0.29 0.00 3.17 Average: 13.93 4.37 9.56 608.77 4400.27 16:52:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:53:01 107396 1774908 94.29 2620 1209756 954784 32.58 444464 1166604 20 16:54:01 115520 1766784 93.86 2620 1209788 911776 31.11 439716 1164584 8 16:55:01 114944 1767360 93.89 2620 1209796 911944 31.12 440704 1164568 16 16:56:01 114732 1767572 93.90 2620 1209800 911932 31.11 441624 1163576 16 16:57:01 115932 1766372 93.84 2620 1209804 911776 31.11 440800 1163576 8 16:58:01 115508 1766796 93.86 2620 1209812 911848 31.11 441068 1163576 12 16:59:02 115984 1766320 93.84 2620 1209812 911776 31.11 440992 1163572 8 17:00:01 120712 1761592 93.59 2620 1209820 911776 31.11 435924 1163572 8 Average: 115091 1767213 93.89 2620 1209799 917202 31.29 440662 1164204 12 16:52:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 16:53:01 eth0 430.44 246.65 1010.47 88.65 0.00 0.00 0.00 16:53:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:53:01 docker0 1.36 1.10 0.27 3.04 0.00 0.00 0.00 16:54:01 eth0 0.85 0.08 0.07 0.01 0.00 0.00 0.00 16:54:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:54:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:55:01 eth0 1.00 0.32 0.31 0.20 0.00 0.00 0.00 16:55:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:55:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:56:01 eth0 0.53 0.30 0.27 0.20 0.00 0.00 0.00 16:56:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:56:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:57:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 16:57:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:57:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:58:01 eth0 0.30 0.20 0.14 0.07 0.00 0.00 0.00 16:58:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:58:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:59:02 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 16:59:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:59:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:00:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 17:00:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 54.31 31.06 126.74 11.17 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.17 0.14 0.03 0.38 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) 04/18/20 _x86_64_ (4 CPU) 16:51:42 LINUX RESTART 16:52:01 CPU %user %nice %system %iowait %steal %idle 16:53:01 all 12.81 0.00 6.17 3.10 0.01 77.90 16:53:01 0 12.14 0.00 6.63 1.70 0.02 79.51 16:53:01 1 12.49 0.00 5.55 2.57 0.02 79.37 16:53:01 2 11.44 0.00 7.59 6.60 0.02 74.36 16:53:01 3 15.16 0.00 4.93 1.53 0.00 78.38 16:54:01 all 0.20 0.00 0.06 0.00 0.00 99.74 16:54:01 0 0.05 0.00 0.03 0.00 0.00 99.92 16:54:01 1 0.57 0.00 0.07 0.00 0.00 99.37 16:54:01 2 0.12 0.00 0.08 0.00 0.00 99.80 16:54:01 3 0.07 0.00 0.07 0.00 0.02 99.85 16:55:01 all 0.19 0.00 0.06 0.00 0.00 99.75 16:55:01 0 0.05 0.00 0.05 0.00 0.00 99.90 16:55:01 1 0.57 0.00 0.05 0.00 0.00 99.38 16:55:01 2 0.08 0.00 0.07 0.00 0.00 99.85 16:55:01 3 0.05 0.00 0.07 0.00 0.00 99.88 16:56:01 all 0.19 0.00 0.05 0.00 0.00 99.76 16:56:01 0 0.02 0.00 0.03 0.00 0.00 99.95 16:56:01 1 0.57 0.00 0.05 0.00 0.00 99.38 16:56:01 2 0.07 0.00 0.05 0.00 0.00 99.88 16:56:01 3 0.08 0.00 0.07 0.00 0.00 99.85 16:57:01 all 0.18 0.00 0.04 0.00 0.00 99.78 16:57:01 0 0.07 0.00 0.03 0.00 0.00 99.90 16:57:01 1 0.55 0.00 0.03 0.00 0.00 99.42 16:57:01 2 0.07 0.00 0.05 0.00 0.00 99.88 16:57:01 3 0.05 0.00 0.05 0.00 0.00 99.90 16:58:01 all 0.18 0.00 0.05 0.00 0.00 99.77 16:58:01 0 0.03 0.00 0.05 0.00 0.00 99.92 16:58:01 1 0.55 0.00 0.05 0.00 0.00 99.40 16:58:01 2 0.05 0.00 0.03 0.00 0.00 99.92 16:58:01 3 0.07 0.00 0.07 0.00 0.00 99.87 16:59:02 all 0.18 0.00 0.05 0.00 0.00 99.77 16:59:02 0 0.05 0.00 0.02 0.00 0.00 99.93 16:59:02 1 0.58 0.00 0.05 0.00 0.00 99.37 16:59:02 2 0.05 0.00 0.05 0.00 0.02 99.88 16:59:02 3 0.07 0.00 0.05 0.00 0.00 99.88 17:00:01 all 0.15 0.00 0.06 0.00 0.00 99.80 17:00:01 0 0.03 0.00 0.03 0.00 0.00 99.93 17:00:01 1 0.44 0.00 0.10 0.00 0.00 99.46 17:00:01 2 0.07 0.00 0.05 0.00 0.00 99.88 17:00:01 3 0.05 0.00 0.03 0.00 0.00 99.92 Average: all 1.75 0.00 0.81 0.39 0.00 97.05 Average: 0 1.55 0.00 0.86 0.21 0.00 97.38 Average: 1 2.03 0.00 0.74 0.32 0.00 96.90 Average: 2 1.49 0.00 0.99 0.82 0.00 96.69 Average: 3 1.94 0.00 0.66 0.19 0.00 97.21