---> uname -a: Linux 7a4cea958fe7 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: 2933.442 BogoMIPS: 5866.88 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 748 89 0 1000 1025 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) 01/30/20 _x86_64_ (4 CPU) 21:06:56 LINUX RESTART 21:08:01 tps rtps wtps bread/s bwrtn/s 21:09:01 9.81 0.00 9.81 0.00 1879.70 21:10:01 0.70 0.00 0.70 0.00 8.09 21:11:01 0.65 0.00 0.65 0.00 8.23 21:12:01 0.72 0.00 0.72 0.00 7.95 21:13:01 0.63 0.00 0.63 0.00 7.91 21:14:01 0.68 0.00 0.68 0.00 7.83 21:15:01 0.65 0.00 0.65 0.00 7.79 21:16:01 0.60 0.00 0.60 0.00 6.00 21:17:01 0.73 0.00 0.73 0.00 8.54 21:18:01 0.68 0.00 0.68 0.00 7.83 21:19:01 1.77 1.17 0.60 74.60 7.64 21:20:02 355.79 157.12 198.67 6494.08 59990.97 Average: 31.15 13.21 17.95 548.02 5168.20 21:08:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:09:01 111768 1770536 94.06 2620 1261560 910448 31.06 425100 1186784 8 21:10:01 111752 1770552 94.06 2620 1261568 910448 31.06 425412 1186488 8 21:11:01 110224 1772080 94.14 2620 1261572 910688 31.07 426932 1186484 8 21:12:01 112012 1770292 94.05 2620 1261576 910448 31.06 425480 1186484 12 21:13:01 112080 1770224 94.05 2620 1261580 910508 31.07 425892 1186484 8 21:14:01 112052 1770252 94.05 2620 1261584 910448 31.06 425612 1186480 8 21:15:01 120292 1762012 93.61 2620 1261588 910448 31.06 417160 1186480 8 21:16:01 119636 1762668 93.64 2620 1261592 910616 31.07 418272 1186480 8 21:17:01 120076 1762228 93.62 2620 1261604 910448 31.06 417264 1186480 8 21:18:01 128172 1754132 93.19 2620 1261608 910520 31.07 409180 1186444 8 21:19:01 116044 1766260 93.84 2620 1263956 912104 31.12 413916 1186608 128 21:20:02 82156 1800148 95.64 2588 1016492 1049352 35.80 666988 833272 78896 Average: 113022 1769282 94.00 2617 1241357 922206 31.47 441434 1157081 6592 21:08:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 21:09:01 eth0 0.68 0.08 0.05 0.03 0.00 0.00 0.00 21:09:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:09:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:10:01 eth0 0.73 0.08 0.06 0.01 0.00 0.00 0.00 21:10:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:11:01 eth0 0.73 0.68 0.52 0.40 0.00 0.00 0.00 21:11:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:11:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:12:01 eth0 0.10 0.10 0.01 0.01 0.00 0.00 0.00 21:12:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:12:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:13:01 eth0 0.43 0.35 0.25 0.08 0.00 0.00 0.00 21:13:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:13:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:14:01 eth0 0.10 0.07 0.01 0.01 0.00 0.00 0.00 21:14:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:14:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:15:01 eth0 1.00 0.03 0.07 0.00 0.00 0.00 0.00 21:15:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:15:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:16:01 eth0 0.73 0.40 0.28 0.21 0.00 0.00 0.00 21:16:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:16:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:17:01 eth0 0.30 0.08 0.02 0.01 0.00 0.00 0.00 21:17:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:17:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:18:01 eth0 0.45 0.17 0.09 0.07 0.00 0.00 0.00 21:18:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:18:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:19:01 eth0 4.60 3.00 4.48 1.60 0.00 0.00 0.00 21:19:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:19:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:20:02 vethfa34561 31.59 41.17 2.13 222.26 0.00 0.00 0.00 21:20:02 eth0 884.48 613.76 8242.62 177.23 0.00 0.00 0.00 21:20:02 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 21:20:02 docker0 39.59 47.50 2.79 248.22 0.00 0.00 0.00 Average: vethfa34561 2.64 3.43 0.18 18.54 0.00 0.00 0.00 Average: eth0 73.79 51.21 687.69 14.79 0.00 0.00 0.00 Average: lo 0.01 0.01 0.00 0.00 0.00 0.00 0.00 Average: docker0 3.30 3.96 0.23 20.71 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) 01/30/20 _x86_64_ (4 CPU) 21:06:56 LINUX RESTART 21:08:01 CPU %user %nice %system %iowait %steal %idle 21:09:01 all 0.19 0.00 0.08 0.01 0.00 99.72 21:09:01 0 0.08 0.00 0.12 0.00 0.00 99.80 21:09:01 1 0.08 0.00 0.03 0.00 0.00 99.88 21:09:01 2 0.07 0.00 0.12 0.05 0.00 99.77 21:09:01 3 0.52 0.00 0.07 0.00 0.00 99.42 21:10:01 all 0.18 0.00 0.05 0.00 0.00 99.76 21:10:01 0 0.03 0.00 0.02 0.00 0.00 99.95 21:10:01 1 0.07 0.00 0.08 0.00 0.00 99.85 21:10:01 2 0.03 0.00 0.03 0.00 0.00 99.93 21:10:01 3 0.60 0.00 0.07 0.00 0.00 99.33 21:11:01 all 0.17 0.00 0.05 0.00 0.00 99.78 21:11:01 0 0.03 0.00 0.03 0.00 0.00 99.93 21:11:01 1 0.08 0.00 0.05 0.00 0.00 99.87 21:11:01 2 0.08 0.00 0.08 0.00 0.00 99.83 21:11:01 3 0.47 0.00 0.07 0.00 0.00 99.47 21:12:01 all 0.18 0.00 0.05 0.00 0.00 99.77 21:12:01 0 0.02 0.00 0.03 0.00 0.00 99.95 21:12:01 1 0.05 0.00 0.05 0.00 0.00 99.90 21:12:01 2 0.08 0.00 0.08 0.00 0.00 99.83 21:12:01 3 0.57 0.00 0.05 0.00 0.00 99.38 21:13:01 all 0.17 0.00 0.05 0.00 0.00 99.78 21:13:01 0 0.02 0.00 0.02 0.00 0.00 99.97 21:13:01 1 0.58 0.00 0.05 0.00 0.00 99.37 21:13:01 2 0.02 0.00 0.03 0.00 0.00 99.95 21:13:01 3 0.05 0.00 0.07 0.00 0.00 99.88 21:14:01 all 0.15 0.00 0.05 0.00 0.00 99.81 21:14:01 0 0.05 0.00 0.03 0.00 0.00 99.92 21:14:01 1 0.43 0.00 0.05 0.00 0.00 99.52 21:14:01 2 0.07 0.00 0.07 0.00 0.00 99.87 21:14:01 3 0.03 0.00 0.03 0.00 0.00 99.93 21:15:01 all 0.17 0.00 0.04 0.00 0.00 99.78 21:15:01 0 0.02 0.00 0.02 0.00 0.00 99.97 21:15:01 1 0.58 0.00 0.05 0.00 0.00 99.37 21:15:01 2 0.05 0.00 0.07 0.00 0.00 99.88 21:15:01 3 0.05 0.00 0.03 0.00 0.00 99.92 21:16:01 all 0.18 0.00 0.05 0.00 0.00 99.77 21:16:01 0 0.03 0.00 0.05 0.00 0.00 99.92 21:16:01 1 0.57 0.00 0.05 0.00 0.00 99.38 21:16:01 2 0.08 0.00 0.07 0.00 0.00 99.85 21:16:01 3 0.03 0.00 0.03 0.00 0.00 99.93 21:17:01 all 0.17 0.00 0.06 0.00 0.00 99.77 21:17:01 0 0.05 0.00 0.07 0.00 0.00 99.88 21:17:01 1 0.52 0.00 0.03 0.00 0.00 99.45 21:17:01 2 0.08 0.00 0.08 0.00 0.00 99.83 21:17:01 3 0.05 0.00 0.05 0.00 0.00 99.90 21:18:01 all 0.18 0.00 0.04 0.00 0.00 99.79 21:18:01 0 0.02 0.00 0.02 0.00 0.00 99.97 21:18:01 1 0.55 0.00 0.03 0.00 0.00 99.42 21:18:01 2 0.05 0.00 0.05 0.00 0.00 99.90 21:18:01 3 0.08 0.00 0.05 0.00 0.00 99.87 21:19:01 all 0.45 0.00 0.32 0.02 0.00 99.22 21:19:01 0 0.27 0.00 0.23 0.02 0.00 99.48 21:19:01 1 0.78 0.00 0.32 0.02 0.02 98.87 21:19:01 2 0.30 0.00 0.32 0.02 0.00 99.37 21:19:01 3 0.43 0.00 0.37 0.00 0.00 99.20 21:20:02 all 17.54 0.00 9.90 3.28 0.07 69.20 21:20:02 0 17.44 0.00 10.23 1.63 0.10 70.61 21:20:02 1 16.29 0.00 9.62 3.71 0.07 70.32 21:20:02 2 20.65 0.00 9.82 3.98 0.05 65.50 21:20:02 3 15.78 0.00 9.99 3.80 0.07 70.36 Average: all 1.62 0.00 0.88 0.27 0.01 97.22 Average: 0 1.48 0.00 0.89 0.14 0.01 97.48 Average: 1 1.70 0.00 0.86 0.31 0.01 97.13 Average: 2 1.77 0.00 0.89 0.33 0.00 97.01 Average: 3 1.53 0.00 0.89 0.31 0.01 97.26