---> uname -a: Linux d512f6eb3e53 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: 2933.436 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/dry_go-mod-core-contracts_master /dev/vda1 50.0G 7.5G 42.5G 15% /w/workspace/dry_go-mod-core-contracts_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 753 85 0 999 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) 04/10/20 _x86_64_ (4 CPU) 21:19:12 LINUX RESTART 21:20:01 tps rtps wtps bread/s bwrtn/s 21:21:01 16.05 1.70 14.35 72.74 2166.53 21:22:01 2.16 0.00 2.16 0.00 77.02 21:23:01 0.27 0.00 0.27 0.00 3.28 21:24:01 10.41 4.60 5.81 474.54 4038.78 21:25:02 335.45 145.79 189.65 5761.54 55799.04 Average: 72.93 30.44 42.48 1262.77 12426.63 21:20:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:21:01 117872 1764432 93.74 2620 1217636 941716 32.13 443460 1161920 16 21:22:01 125848 1756456 93.31 2620 1217640 900736 30.73 438092 1160512 8 21:23:01 123928 1758376 93.42 2620 1217648 901076 30.74 439852 1160512 16 21:24:01 66052 1816252 96.49 2620 1254792 990060 33.78 448272 1198180 73460 21:25:02 267244 1615060 85.80 2560 897668 935496 31.92 530124 798324 52 Average: 140189 1742115 92.55 2608 1161077 933817 31.86 459960 1095890 14710 21:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 21:21:01 eth0 12.41 8.09 9.39 15.26 0.00 0.00 0.00 21:21:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:21:01 docker0 0.00 0.02 0.00 0.00 0.00 0.00 0.00 21:22:01 eth0 0.55 0.07 0.06 0.01 0.00 0.00 0.00 21:22:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:22:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:23:01 eth0 1.12 0.68 0.55 0.37 0.00 0.00 0.00 21:23:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:23:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:24:01 eth0 123.73 100.15 3212.57 9.80 0.00 0.00 0.00 21:24:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:24:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:25:02 eth0 238.97 196.79 3770.63 81.32 0.00 0.00 0.00 21:25:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:25:02 docker0 35.25 39.02 2.20 261.35 0.00 0.00 0.00 Average: eth0 75.39 61.19 1399.14 21.37 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 7.06 7.81 0.44 52.32 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) 04/10/20 _x86_64_ (4 CPU) 21:19:12 LINUX RESTART 21:20:01 CPU %user %nice %system %iowait %steal %idle 21:21:01 all 0.90 0.00 0.33 0.05 0.41 98.31 21:21:01 0 0.95 0.00 0.33 0.02 0.28 98.42 21:21:01 1 0.67 0.00 0.35 0.10 0.43 98.45 21:21:01 2 0.80 0.00 0.28 0.03 0.47 98.42 21:21:01 3 1.18 0.00 0.37 0.03 0.47 97.95 21:22:01 all 0.17 0.00 0.05 0.00 0.10 99.69 21:22:01 0 0.05 0.00 0.03 0.00 0.05 99.87 21:22:01 1 0.08 0.00 0.05 0.00 0.13 99.73 21:22:01 2 0.08 0.00 0.08 0.00 0.13 99.70 21:22:01 3 0.45 0.00 0.03 0.00 0.08 99.43 21:23:01 all 0.16 0.00 0.05 0.00 0.26 99.53 21:23:01 0 0.07 0.00 0.05 0.00 0.08 99.80 21:23:01 1 0.07 0.00 0.03 0.00 0.32 99.58 21:23:01 2 0.05 0.00 0.05 0.00 0.43 99.47 21:23:01 3 0.47 0.00 0.05 0.00 0.22 99.27 21:24:01 all 1.51 0.00 0.91 0.03 0.17 97.39 21:24:01 0 1.54 0.00 0.95 0.03 0.13 97.35 21:24:01 1 1.15 0.00 0.87 0.07 0.23 97.68 21:24:01 2 1.50 0.00 0.78 0.02 0.12 97.58 21:24:01 3 1.85 0.00 1.04 0.02 0.17 96.93 21:25:02 all 16.39 0.00 8.51 3.77 0.66 70.67 21:25:02 0 20.33 0.00 8.48 3.96 0.67 66.58 21:25:02 1 14.75 0.00 9.09 3.96 0.67 71.53 21:25:02 2 14.51 0.00 8.13 2.38 0.67 74.32 21:25:02 3 15.97 0.00 8.34 4.81 0.64 70.25 Average: all 3.76 0.00 1.93 0.75 0.32 93.24 Average: 0 4.50 0.00 1.93 0.78 0.24 92.54 Average: 1 3.29 0.00 2.05 0.81 0.35 93.50 Average: 2 3.33 0.00 1.83 0.48 0.36 94.00 Average: 3 3.91 0.00 1.93 0.95 0.31 92.90