---> uname -a: Linux 297abf8b55a6 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% /var/log/sa /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 ---> free -m: total used free shared buff/cache available Mem: 1838 700 85 0 1052 1070 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) 04/08/20 _x86_64_ (4 CPU) 19:10:40 LINUX RESTART 19:11:02 tps rtps wtps bread/s bwrtn/s 19:12:02 149.77 78.05 71.71 6407.91 37109.34 19:13:01 22.41 2.27 20.14 406.30 2047.40 19:14:01 2.10 0.00 2.10 0.00 76.03 19:15:01 0.38 0.00 0.38 0.00 3.86 19:16:01 0.65 0.00 0.65 0.00 8.09 19:17:01 0.78 0.00 0.78 0.00 8.44 19:18:01 0.70 0.00 0.70 0.00 7.81 19:19:01 198.79 115.49 83.30 4421.09 26191.33 19:20:01 158.51 24.09 134.42 1529.10 35424.14 Average: 59.42 24.47 34.95 1419.43 11224.93 19:11:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:12:02 81172 1801132 95.69 2620 1283440 1133280 38.67 391688 1252580 45356 19:13:01 124436 1757868 93.39 2620 1253384 963704 32.88 395300 1203248 20 19:14:01 135436 1746868 92.80 2620 1253392 889864 30.36 386368 1202928 8 19:15:01 134316 1747988 92.86 2620 1253392 890096 30.37 388124 1202928 8 19:16:01 135384 1746920 92.81 2620 1253400 889892 30.36 394584 1195332 16 19:17:01 134416 1747888 92.86 2620 1253404 890048 30.37 395580 1195332 8 19:18:01 135460 1746844 92.80 2620 1253408 889892 30.36 394624 1195328 8 19:19:01 141884 1740420 92.46 2620 1186528 1016576 34.69 476216 1074556 63280 19:20:01 260216 1622088 86.18 2620 960936 1012828 34.56 507000 834436 104 Average: 142524 1739780 92.43 2620 1216809 952909 32.51 414387 1150741 12090 19:11:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 19:12:02 eth0 188.94 161.22 968.44 58.10 0.00 0.00 0.00 19:12:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:12:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:13:01 eth0 27.37 24.54 34.35 32.17 0.00 0.00 0.00 19:13:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:13:01 docker0 4.45 3.18 0.77 8.57 0.00 0.00 0.00 19:14:01 eth0 0.22 0.15 0.09 0.01 0.00 0.00 0.00 19:14:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:14:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:15:01 eth0 0.82 0.37 0.30 0.17 0.00 0.00 0.00 19:15:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:15:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:16:01 eth0 0.67 0.10 0.06 0.04 0.00 0.00 0.00 19:16:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:16:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:17:01 eth0 0.67 0.52 0.40 0.28 0.00 0.00 0.00 19:17:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:17:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:18:01 eth0 0.12 0.08 0.01 0.01 0.00 0.00 0.00 19:18:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:18:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:19:01 eth0 143.14 109.13 3535.38 41.95 0.00 0.00 0.00 19:19:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:19:01 veth54a13b9 0.00 0.10 0.00 0.01 0.00 0.00 0.00 19:19:01 docker0 8.14 6.47 1.16 19.63 0.00 0.00 0.00 19:20:01 eth0 183.62 159.25 3459.89 46.67 0.00 0.00 0.00 19:20:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:20:01 docker0 52.21 53.43 3.19 251.59 0.00 0.00 0.00 Average: eth0 60.68 50.64 890.90 19.91 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 6.73 6.68 0.48 30.23 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) 04/08/20 _x86_64_ (4 CPU) 19:10:40 LINUX RESTART 19:11:02 CPU %user %nice %system %iowait %steal %idle 19:12:02 all 11.78 0.00 7.82 8.82 27.21 44.37 19:12:02 0 10.43 0.00 6.65 9.05 30.12 43.74 19:12:02 1 10.90 0.00 7.12 10.30 26.54 45.14 19:12:02 2 10.51 0.00 7.29 8.65 26.67 46.89 19:12:02 3 15.56 0.00 10.45 7.13 25.36 41.51 19:13:01 all 2.27 0.00 1.47 0.32 5.57 90.37 19:13:01 0 1.57 0.00 1.05 0.28 6.98 90.12 19:13:01 1 2.33 0.00 2.26 0.57 5.15 89.68 19:13:01 2 3.50 0.00 1.11 0.02 4.79 90.58 19:13:01 3 1.70 0.00 1.45 0.42 5.29 91.13 19:14:01 all 0.13 0.00 0.06 0.00 0.21 99.59 19:14:01 0 0.32 0.00 0.05 0.00 0.17 99.47 19:14:01 1 0.07 0.00 0.10 0.00 0.23 99.60 19:14:01 2 0.08 0.00 0.05 0.00 0.40 99.47 19:14:01 3 0.05 0.00 0.05 0.00 0.07 99.83 19:15:01 all 0.10 0.00 0.08 0.00 0.37 99.44 19:15:01 0 0.25 0.00 0.02 0.00 0.53 99.20 19:15:01 1 0.03 0.00 0.13 0.00 0.28 99.55 19:15:01 2 0.12 0.00 0.12 0.00 0.63 99.14 19:15:01 3 0.03 0.00 0.03 0.00 0.05 99.88 19:16:01 all 0.09 0.00 0.05 0.00 0.39 99.47 19:16:01 0 0.20 0.00 0.05 0.00 0.99 98.76 19:16:01 1 0.05 0.00 0.08 0.00 0.23 99.63 19:16:01 2 0.07 0.00 0.05 0.00 0.20 99.68 19:16:01 3 0.03 0.00 0.05 0.00 0.10 99.82 19:17:01 all 0.12 0.00 0.04 0.00 0.24 99.60 19:17:01 0 0.35 0.00 0.07 0.02 0.42 99.15 19:17:01 1 0.05 0.00 0.03 0.00 0.28 99.63 19:17:01 2 0.05 0.00 0.05 0.00 0.17 99.73 19:17:01 3 0.03 0.00 0.02 0.00 0.08 99.87 19:18:01 all 0.12 0.00 0.04 0.00 0.41 99.43 19:18:01 0 0.35 0.00 0.05 0.00 0.52 99.09 19:18:01 1 0.02 0.00 0.00 0.00 0.28 99.70 19:18:01 2 0.08 0.00 0.08 0.00 0.37 99.47 19:18:01 3 0.03 0.00 0.03 0.00 0.50 99.44 19:19:01 all 5.47 0.00 4.38 1.38 17.37 71.40 19:19:01 0 6.03 0.00 4.40 2.59 18.90 68.07 19:19:01 1 5.49 0.00 4.01 0.65 17.11 72.74 19:19:01 2 5.70 0.00 5.06 1.33 17.37 70.53 19:19:01 3 4.64 0.00 4.06 0.94 16.09 74.27 19:20:01 all 8.77 0.00 6.12 1.25 17.55 66.32 19:20:01 0 8.72 0.00 6.82 1.85 18.29 64.32 19:20:01 1 6.16 0.00 4.61 0.40 17.40 71.43 19:20:01 2 7.17 0.00 6.36 0.58 17.17 68.72 19:20:01 3 13.16 0.00 6.71 2.21 17.33 60.59 Average: all 3.28 0.00 2.28 1.35 7.89 85.19 Average: 0 3.22 0.00 2.18 1.60 8.79 84.22 Average: 1 2.89 0.00 2.10 1.39 7.77 85.84 Average: 2 3.11 0.00 2.31 1.23 7.75 85.60 Average: 3 3.92 0.00 2.54 1.18 7.25 85.11