---> uname -a: Linux 339a77c6dcac 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 7.5G 42.5G 15% / 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 7.5G 42.5G 15% /etc/resolv.conf /dev/vda1 50.0G 7.5G 42.5G 15% /etc/hostname /dev/vda1 50.0G 7.5G 42.5G 15% /etc/hosts /dev/vda1 50.0G 7.5G 42.5G 15% /w/workspace/ndry_go-mod-configuration_master /dev/vda1 50.0G 7.5G 42.5G 15% /w/workspace/ndry_go-mod-configuration_master@tmp /dev/vda1 50.0G 7.5G 42.5G 15% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1838 755 77 0 1004 1017 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 16: eth0@if17: 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) 03/18/20 _x86_64_ (4 CPU) 17:52:53 LINUX RESTART 17:54:02 tps rtps wtps bread/s bwrtn/s 17:55:01 9.35 0.00 9.35 0.00 1757.05 17:56:01 0.68 0.00 0.68 0.00 9.08 17:57:01 0.58 0.00 0.58 0.00 6.26 17:58:01 122.78 63.68 59.10 2033.53 22559.89 17:59:01 240.40 98.98 141.42 4421.91 37558.57 Average: 75.04 32.68 42.36 1296.42 12426.25 17:54:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:55:01 119788 1762516 93.64 2620 1227344 895940 30.57 431424 1174048 8 17:56:01 118384 1763920 93.71 2620 1227352 896168 30.58 433052 1173744 8 17:57:01 117868 1764436 93.74 2620 1227360 896228 30.58 433324 1173740 8 17:58:01 143684 1738620 92.37 2620 1155468 1011324 34.51 391960 1156328 34044 17:59:01 227816 1654488 87.90 2600 928148 1017904 34.73 551984 809960 2724 Average: 145508 1736796 92.27 2616 1153134 943513 32.19 448349 1097564 7358 17:54:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 17:55:01 eth0 0.68 0.08 0.05 0.03 0.00 0.00 0.00 17:55:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:55:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:56:01 eth0 1.02 0.47 0.32 0.15 0.00 0.00 0.00 17:56:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:56:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:57:01 eth0 0.60 0.32 0.28 0.26 0.00 0.00 0.00 17:57:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:57:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:58:01 eth0 120.13 102.88 3477.18 11.54 0.00 0.00 0.00 17:58:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:58:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:59:01 veth4ec963e 0.00 0.02 0.00 0.00 0.00 0.00 0.00 17:59:01 eth0 812.37 620.04 8290.21 183.21 0.00 0.00 0.00 17:59:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 17:59:01 docker0 44.75 46.05 3.27 256.92 0.00 0.00 0.00 Average: veth4ec963e 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 162.90 124.33 1662.36 36.74 0.00 0.00 0.00 Average: lo 0.02 0.02 0.00 0.00 0.00 0.00 0.00 Average: docker0 8.97 9.23 0.66 51.52 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) 03/18/20 _x86_64_ (4 CPU) 17:52:53 LINUX RESTART 17:54:02 CPU %user %nice %system %iowait %steal %idle 17:55:01 all 0.20 0.00 0.11 0.00 0.00 99.69 17:55:01 0 0.05 0.00 0.05 0.00 0.00 99.90 17:55:01 1 0.64 0.00 0.08 0.00 0.00 99.27 17:55:01 2 0.07 0.00 0.19 0.00 0.00 99.75 17:55:01 3 0.07 0.00 0.10 0.00 0.00 99.83 17:56:01 all 0.21 0.00 0.06 0.00 0.00 99.73 17:56:01 0 0.08 0.00 0.03 0.00 0.00 99.88 17:56:01 1 0.57 0.00 0.05 0.00 0.00 99.38 17:56:01 2 0.10 0.00 0.07 0.00 0.00 99.83 17:56:01 3 0.05 0.00 0.07 0.00 0.00 99.88 17:57:01 all 0.20 0.00 0.08 0.00 0.00 99.72 17:57:01 0 0.05 0.00 0.03 0.00 0.00 99.92 17:57:01 1 0.13 0.00 0.08 0.00 0.00 99.78 17:57:01 2 0.53 0.00 0.18 0.00 0.00 99.28 17:57:01 3 0.08 0.00 0.03 0.00 0.00 99.88 17:58:01 all 5.17 0.00 3.43 1.13 0.01 90.27 17:58:01 0 5.39 0.00 3.28 1.25 0.02 90.06 17:58:01 1 4.97 0.00 4.00 0.63 0.02 90.38 17:58:01 2 5.08 0.00 3.11 0.65 0.02 91.15 17:58:01 3 5.23 0.00 3.34 1.97 0.02 89.45 17:59:01 all 13.19 0.00 8.18 2.11 0.03 76.48 17:59:01 0 17.08 0.00 8.36 3.21 0.03 71.32 17:59:01 1 11.59 0.00 7.64 1.93 0.03 78.80 17:59:01 2 12.46 0.00 9.42 2.57 0.02 75.53 17:59:01 3 11.63 0.00 7.26 0.75 0.05 80.31 Average: all 3.77 0.00 2.36 0.65 0.01 93.21 Average: 0 4.50 0.00 2.34 0.89 0.01 92.26 Average: 1 3.56 0.00 2.36 0.51 0.01 93.55 Average: 2 3.63 0.00 2.58 0.64 0.01 93.14 Average: 3 3.39 0.00 2.15 0.54 0.01 93.90