---> uname -a: Linux 269572ec6935 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/undry_go-mod-configuration_PR-10 /dev/vda1 50.0G 6.3G 43.7G 13% /w/workspace/undry_go-mod-configuration_PR-10@tmp /dev/vda1 50.0G 6.3G 43.7G 13% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1838 593 75 0 1168 1140 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) 03/17/20 _x86_64_ (4 CPU) 00:20:38 LINUX RESTART 00:21:01 tps rtps wtps bread/s bwrtn/s 00:22:01 59.37 19.98 39.39 3577.32 3720.03 00:23:01 3.76 0.00 3.76 0.00 118.41 00:24:01 0.22 0.00 0.22 0.00 3.41 00:25:01 0.32 0.00 0.32 0.00 3.48 00:26:01 127.66 83.32 44.34 5298.93 17433.21 Average: 38.21 20.67 17.54 1769.94 4259.34 00:21:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:22:01 116776 1765528 93.80 2620 1238324 914136 31.19 426480 1178492 16 00:23:01 124056 1758248 93.41 2620 1238440 900092 30.71 422440 1178380 20 00:24:01 124116 1758188 93.41 2620 1238448 888040 30.30 422476 1178368 8 00:25:01 124008 1758296 93.41 2620 1238448 888052 30.30 422448 1178368 16 00:26:01 109420 1772884 94.19 2620 1199616 977996 33.37 403104 1174356 78888 Average: 119675 1762629 93.64 2620 1230655 913663 31.17 419390 1177593 15790 00:21:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 00:22:01 eth0 428.32 288.88 993.95 85.26 0.00 0.00 0.00 00:22:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:22:01 docker0 0.64 0.64 0.10 0.55 0.00 0.00 0.00 00:23:01 eth0 3.86 1.38 2.75 0.12 0.00 0.00 0.00 00:23:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:23:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:24:01 eth0 1.02 0.47 0.34 0.18 0.00 0.00 0.00 00:24:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:24:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:25:01 eth0 0.50 0.43 0.28 0.24 0.00 0.00 0.00 00:25:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:25:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:26:01 eth0 116.18 93.41 2336.30 13.66 0.00 0.00 0.00 00:26:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:26:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:26:01 vethd59c889 0.00 0.08 0.00 0.01 0.00 0.00 0.00 Average: eth0 108.95 76.23 665.91 19.68 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.13 0.13 0.02 0.11 0.00 0.00 0.00 Average: vethd59c889 0.00 0.02 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) 03/17/20 _x86_64_ (4 CPU) 00:20:38 LINUX RESTART 00:21:01 CPU %user %nice %system %iowait %steal %idle 00:22:01 all 12.44 0.00 3.40 1.52 0.03 82.62 00:22:01 0 12.51 0.00 3.65 2.06 0.03 81.75 00:22:01 1 14.49 0.00 2.84 0.72 0.02 81.93 00:22:01 2 11.55 0.00 3.87 1.65 0.05 82.88 00:22:01 3 11.19 0.00 3.24 1.62 0.02 83.93 00:23:01 all 0.20 0.00 0.07 0.00 0.00 99.73 00:23:01 0 0.08 0.00 0.07 0.00 0.00 99.85 00:23:01 1 0.12 0.00 0.07 0.00 0.00 99.82 00:23:01 2 0.57 0.00 0.05 0.00 0.00 99.38 00:23:01 3 0.05 0.00 0.08 0.00 0.00 99.87 00:24:01 all 0.19 0.00 0.05 0.00 0.00 99.76 00:24:01 0 0.03 0.00 0.05 0.00 0.00 99.92 00:24:01 1 0.13 0.00 0.07 0.00 0.00 99.80 00:24:01 2 0.57 0.00 0.05 0.00 0.00 99.38 00:24:01 3 0.03 0.00 0.03 0.00 0.00 99.93 00:25:01 all 0.14 0.00 0.06 0.00 0.00 99.79 00:25:01 0 0.03 0.00 0.05 0.00 0.00 99.92 00:25:01 1 0.10 0.00 0.10 0.00 0.00 99.80 00:25:01 2 0.42 0.00 0.05 0.00 0.00 99.53 00:25:01 3 0.02 0.00 0.05 0.00 0.00 99.93 00:26:01 all 5.31 0.00 3.06 1.69 0.01 89.93 00:26:01 0 5.04 0.00 3.01 1.54 0.00 90.41 00:26:01 1 5.43 0.00 2.70 1.57 0.03 90.27 00:26:01 2 5.53 0.00 3.14 1.88 0.00 89.44 00:26:01 3 5.23 0.00 3.39 1.79 0.02 89.57 Average: all 3.62 0.00 1.32 0.64 0.01 94.42 Average: 0 3.50 0.00 1.35 0.71 0.01 94.43 Average: 1 4.01 0.00 1.15 0.46 0.01 94.38 Average: 2 3.69 0.00 1.42 0.70 0.01 94.18 Average: 3 3.26 0.00 1.35 0.68 0.01 94.70