---> uname -a: Linux d70f86d459d9 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/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 728 80 0 1028 1041 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) 20:05:50 LINUX RESTART 20:07:01 tps rtps wtps bread/s bwrtn/s 20:08:01 13.19 0.00 13.19 0.00 1829.27 20:09:01 0.65 0.00 0.65 0.00 8.63 20:10:01 0.68 0.00 0.68 0.00 8.23 20:11:01 0.42 0.00 0.42 0.00 5.03 20:12:01 307.60 126.84 180.77 5263.36 56987.45 Average: 64.55 25.39 39.17 1053.41 11775.70 20:07:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:08:01 114212 1768092 93.93 2620 1245348 893132 30.47 401808 1207516 8 20:09:01 113124 1769180 93.99 2620 1245352 893348 30.48 403312 1207228 8 20:10:01 113244 1769060 93.98 2620 1245364 893300 30.48 403196 1207228 8 20:11:01 114192 1768112 93.93 2620 1245364 893180 30.47 402556 1207228 8 20:12:01 80496 1801808 95.72 2620 1090824 978928 33.40 581880 940744 86060 Average: 107054 1775250 94.31 2620 1214450 910378 31.06 438550 1153989 17218 20:07:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 20:08:01 eth0 0.90 0.10 0.07 0.02 0.00 0.00 0.00 20:08:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:08:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:09:01 eth0 1.00 0.30 0.31 0.20 0.00 0.00 0.00 20:09:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:09:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:10:01 eth0 0.50 0.30 0.27 0.20 0.00 0.00 0.00 20:10:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:11:01 eth0 0.38 0.22 0.23 0.01 0.00 0.00 0.00 20:11:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:11:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:12:01 eth0 334.44 273.06 6970.95 38.23 0.00 0.00 0.00 20:12:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:12:01 vetheac4695 32.28 34.89 2.16 250.20 0.00 0.00 0.00 20:12:01 docker0 39.38 40.38 2.84 269.99 0.00 0.00 0.00 Average: eth0 67.49 54.83 1395.34 7.74 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: vetheac4695 6.46 6.98 0.43 50.08 0.00 0.00 0.00 Average: docker0 7.88 8.08 0.57 54.04 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) 20:05:50 LINUX RESTART 20:07:01 CPU %user %nice %system %iowait %steal %idle 20:08:01 all 0.16 0.00 0.13 0.00 0.00 99.70 20:08:01 0 0.13 0.00 0.05 0.00 0.00 99.82 20:08:01 1 0.13 0.00 0.18 0.00 0.02 99.67 20:08:01 2 0.08 0.00 0.20 0.00 0.00 99.72 20:08:01 3 0.28 0.00 0.10 0.00 0.00 99.62 20:09:01 all 0.10 0.00 0.06 0.00 0.00 99.84 20:09:01 0 0.15 0.00 0.08 0.00 0.00 99.77 20:09:01 1 0.10 0.00 0.07 0.00 0.00 99.83 20:09:01 2 0.05 0.00 0.05 0.00 0.00 99.90 20:09:01 3 0.10 0.00 0.07 0.00 0.00 99.83 20:10:01 all 0.05 0.00 0.06 0.00 0.00 99.88 20:10:01 0 0.05 0.00 0.07 0.00 0.00 99.88 20:10:01 1 0.07 0.00 0.08 0.00 0.00 99.85 20:10:01 2 0.05 0.00 0.07 0.00 0.00 99.88 20:10:01 3 0.03 0.00 0.03 0.00 0.00 99.93 20:11:01 all 0.07 0.00 0.05 0.00 0.00 99.88 20:11:01 0 0.03 0.00 0.03 0.00 0.00 99.93 20:11:01 1 0.12 0.00 0.05 0.00 0.00 99.83 20:11:01 2 0.08 0.00 0.08 0.00 0.00 99.83 20:11:01 3 0.05 0.00 0.03 0.00 0.00 99.92 20:12:01 all 15.92 0.00 9.88 3.63 0.06 70.51 20:12:01 0 16.15 0.00 9.74 1.27 0.07 72.76 20:12:01 1 16.37 0.00 10.06 4.80 0.03 68.73 20:12:01 2 15.14 0.00 9.14 3.03 0.08 72.61 20:12:01 3 16.02 0.00 10.52 5.40 0.05 68.00 Average: all 3.22 0.00 2.01 0.72 0.01 94.04 Average: 0 3.27 0.00 1.97 0.25 0.01 94.50 Average: 1 3.32 0.00 2.07 0.95 0.01 93.65 Average: 2 3.04 0.00 1.89 0.60 0.02 94.45 Average: 3 3.25 0.00 2.12 1.06 0.01 93.56