---> uname -a: Linux 2122228168e0 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 744 90 0 1003 1031 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) 02/25/20 _x86_64_ (4 CPU) 19:27:20 LINUX RESTART 19:28:01 tps rtps wtps bread/s bwrtn/s 19:29:01 25.69 6.14 19.55 1836.70 2167.12 19:30:01 2.81 0.00 2.81 0.00 93.46 19:31:01 0.17 0.00 0.17 0.00 1.88 19:32:01 0.28 0.00 0.28 0.00 3.20 19:33:01 0.25 0.00 0.25 0.00 3.50 19:34:01 315.68 140.45 175.23 5317.21 54860.47 Average: 57.74 24.55 33.19 1197.47 9567.34 19:28:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:29:01 114632 1767672 93.91 2620 1232884 916620 31.27 429412 1179776 16 19:30:01 118200 1764104 93.72 2620 1232888 893832 30.50 427588 1178968 16 19:31:01 116944 1765360 93.79 2620 1232896 893988 30.50 428480 1178968 16 19:32:01 118492 1763812 93.70 2620 1232896 893772 30.50 427248 1178908 20 19:33:01 116964 1765340 93.79 2620 1232908 894036 30.50 428684 1178908 16 19:34:01 129828 1752476 93.10 2620 1050468 1126128 38.42 509008 972600 32848 Average: 119177 1763127 93.67 2620 1202490 936396 31.95 441737 1144688 5489 19:28:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 19:29:01 eth0 198.98 143.39 435.21 45.41 0.00 0.00 0.00 19:29:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:29:01 docker0 3.63 2.90 0.67 8.63 0.00 0.00 0.00 19:30:01 eth0 1.54 0.68 0.92 0.05 0.00 0.00 0.00 19:30:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:31:01 eth0 1.08 0.72 0.55 0.37 0.00 0.00 0.00 19:31:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:31:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:32:01 eth0 0.75 0.08 0.06 0.04 0.00 0.00 0.00 19:32:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:32:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:33:01 eth0 0.72 0.60 0.41 0.28 0.00 0.00 0.00 19:33:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:33:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:34:01 eth0 358.31 286.11 6953.29 35.64 0.00 0.00 0.00 19:34:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:34:01 docker0 6.61 7.14 0.53 15.10 0.00 0.00 0.00 Average: eth0 93.94 72.23 1237.63 13.68 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 1.71 1.68 0.20 3.97 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) 02/25/20 _x86_64_ (4 CPU) 19:27:20 LINUX RESTART 19:28:01 CPU %user %nice %system %iowait %steal %idle 19:29:01 all 2.87 0.00 1.48 0.07 0.00 95.57 19:29:01 0 2.64 0.00 1.72 0.05 0.00 95.58 19:29:01 1 3.21 0.00 1.29 0.07 0.00 95.43 19:29:01 2 2.81 0.00 1.53 0.08 0.00 95.58 19:29:01 3 2.84 0.00 1.39 0.07 0.00 95.70 19:30:01 all 0.11 0.00 0.05 0.00 0.00 99.83 19:30:01 0 0.07 0.00 0.05 0.00 0.00 99.88 19:30:01 1 0.07 0.00 0.07 0.00 0.00 99.86 19:30:01 2 0.09 0.00 0.05 0.00 0.00 99.86 19:30:01 3 0.22 0.00 0.05 0.00 0.00 99.73 19:31:01 all 0.19 0.00 0.06 0.00 0.00 99.75 19:31:01 0 0.03 0.00 0.03 0.00 0.00 99.93 19:31:01 1 0.18 0.00 0.03 0.00 0.00 99.78 19:31:01 2 0.48 0.00 0.10 0.00 0.00 99.42 19:31:01 3 0.05 0.00 0.07 0.00 0.00 99.88 19:32:01 all 0.17 0.00 0.04 0.00 0.00 99.79 19:32:01 0 0.05 0.00 0.05 0.00 0.00 99.90 19:32:01 1 0.57 0.00 0.05 0.00 0.00 99.38 19:32:01 2 0.05 0.00 0.07 0.00 0.00 99.88 19:32:01 3 0.03 0.00 0.03 0.00 0.00 99.93 19:33:01 all 0.19 0.00 0.05 0.00 0.00 99.76 19:33:01 0 0.08 0.00 0.05 0.00 0.00 99.87 19:33:01 1 0.52 0.00 0.03 0.00 0.00 99.45 19:33:01 2 0.08 0.00 0.07 0.00 0.00 99.85 19:33:01 3 0.07 0.00 0.03 0.00 0.00 99.90 19:34:01 all 14.26 0.00 8.82 3.22 0.03 73.67 19:34:01 0 14.09 0.00 9.13 2.39 0.03 74.36 19:34:01 1 14.78 0.00 9.09 4.39 0.03 71.71 19:34:01 2 13.99 0.00 8.81 2.08 0.03 75.09 19:34:01 3 14.19 0.00 8.23 4.02 0.03 73.53 Average: all 2.95 0.00 1.74 0.54 0.01 94.77 Average: 0 2.81 0.00 1.83 0.40 0.01 94.96 Average: 1 3.21 0.00 1.75 0.74 0.01 94.30 Average: 2 2.90 0.00 1.76 0.36 0.01 94.98 Average: 3 2.87 0.00 1.62 0.67 0.01 94.83