---> uname -a: Linux 5536d761348f 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 6.4G 43.6G 13% / 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 6.4G 43.6G 13% /etc/resolv.conf /dev/vda1 50.0G 6.4G 43.6G 13% /etc/hostname /dev/vda1 50.0G 6.4G 43.6G 13% /etc/hosts /dev/vda1 50.0G 6.4G 43.6G 13% /w/workspace/dry_go-mod-core-contracts_PR-236 /dev/vda1 50.0G 6.4G 43.6G 13% /w/workspace/dry_go-mod-core-contracts_PR-236@tmp /dev/vda1 50.0G 6.4G 43.6G 13% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1838 608 75 0 1154 1124 Swap: 1023 0 1023 ---> 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 6: eth0@if7: 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) 04/20/20 _x86_64_ (4 CPU) 04:11:59 LINUX RESTART 04:13:01 tps rtps wtps bread/s bwrtn/s 04:14:01 40.49 7.41 33.08 1992.34 2327.71 04:15:01 2.68 0.00 2.68 0.00 87.01 04:16:01 0.32 0.00 0.32 0.00 3.61 04:17:01 0.27 0.00 0.27 0.00 3.33 04:18:01 0.25 0.00 0.25 0.00 4.20 04:19:01 0.65 0.10 0.55 1.47 10.99 04:20:01 0.43 0.00 0.43 0.00 5.95 Average: 6.44 1.07 5.37 284.98 349.14 04:13:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 04:14:01 106256 1776048 94.36 2620 1225028 974744 33.26 447948 1164932 116 04:15:01 112868 1769436 94.00 2620 1225036 945060 32.24 442836 1164440 12 04:16:01 115992 1766312 93.84 2620 1225040 901108 30.75 440748 1164004 8 04:17:01 116620 1765684 93.80 2620 1225040 901060 30.74 440368 1164004 16 04:18:01 117612 1764692 93.75 2620 1225052 900940 30.74 439768 1164004 8 04:19:01 112932 1769372 94.00 2620 1225196 913364 31.16 443700 1164120 12 04:20:01 125756 1756548 93.32 2620 1225200 913280 31.16 430660 1164116 8 Average: 115434 1766870 93.87 2620 1225085 921365 31.44 440861 1164231 26 04:13:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 04:14:01 eth0 65.39 58.81 444.70 44.63 0.00 0.00 0.00 04:14:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:14:01 docker0 3.13 2.11 0.71 8.59 0.00 0.00 0.00 04:15:01 eth0 1.38 0.55 1.59 0.04 0.00 0.00 0.00 04:15:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:15:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:16:01 eth0 1.13 0.40 0.52 0.20 0.00 0.00 0.00 04:16:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:16:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:17:01 eth0 0.58 0.33 0.27 0.20 0.00 0.00 0.00 04:17:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:17:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:18:01 eth0 0.22 0.17 0.09 0.07 0.00 0.00 0.00 04:18:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:18:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:19:01 eth0 5.98 3.51 5.51 2.46 0.00 0.00 0.00 04:19:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:19:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:20:01 eth0 1.15 0.73 0.89 0.43 0.00 0.00 0.00 04:20:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 10.84 9.22 64.83 6.87 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.45 0.30 0.10 1.23 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) 04/20/20 _x86_64_ (4 CPU) 04:11:59 LINUX RESTART 04:13:01 CPU %user %nice %system %iowait %steal %idle 04:14:01 all 2.67 0.00 2.25 1.05 10.96 83.07 04:14:01 0 2.71 0.00 2.04 2.54 12.17 80.54 04:14:01 1 3.30 0.00 2.51 1.03 10.65 82.51 04:14:01 2 2.63 0.00 2.89 0.55 10.56 83.37 04:14:01 3 2.03 0.00 1.61 0.06 10.42 85.88 04:15:01 all 0.13 0.00 0.05 0.00 0.22 99.60 04:15:01 0 0.07 0.00 0.02 0.00 0.23 99.68 04:15:01 1 0.35 0.00 0.08 0.00 0.35 99.22 04:15:01 2 0.07 0.00 0.05 0.00 0.22 99.67 04:15:01 3 0.05 0.00 0.03 0.00 0.10 99.82 04:16:01 all 0.15 0.00 0.07 0.00 0.66 99.12 04:16:01 0 0.05 0.00 0.05 0.00 0.61 99.29 04:16:01 1 0.43 0.00 0.10 0.00 0.63 98.84 04:16:01 2 0.08 0.00 0.03 0.00 0.60 99.29 04:16:01 3 0.02 0.00 0.12 0.00 0.81 99.06 04:17:01 all 0.11 0.00 0.05 0.00 0.20 99.64 04:17:01 0 0.05 0.00 0.05 0.00 0.08 99.82 04:17:01 1 0.23 0.00 0.05 0.00 0.25 99.47 04:17:01 2 0.13 0.00 0.05 0.00 0.25 99.57 04:17:01 3 0.03 0.00 0.03 0.00 0.23 99.70 04:18:01 all 0.12 0.00 0.04 0.00 0.25 99.59 04:18:01 0 0.05 0.00 0.03 0.00 0.10 99.82 04:18:01 1 0.05 0.00 0.03 0.00 0.40 99.52 04:18:01 2 0.37 0.00 0.07 0.00 0.40 99.17 04:18:01 3 0.02 0.00 0.02 0.00 0.07 99.90 04:19:01 all 0.22 0.00 0.07 0.00 0.46 99.24 04:19:01 0 0.48 0.00 0.10 0.00 0.33 99.08 04:19:01 1 0.13 0.00 0.10 0.00 0.80 98.97 04:19:01 2 0.22 0.00 0.05 0.00 0.50 99.24 04:19:01 3 0.10 0.00 0.05 0.00 0.22 99.63 04:20:01 all 0.15 0.00 0.06 0.00 0.14 99.65 04:20:01 0 0.02 0.00 0.02 0.00 0.08 99.88 04:20:01 1 0.08 0.00 0.08 0.00 0.18 99.65 04:20:01 2 0.43 0.00 0.05 0.00 0.13 99.38 04:20:01 3 0.08 0.00 0.08 0.00 0.17 99.67 Average: all 0.52 0.00 0.38 0.16 1.89 97.06 Average: 0 0.50 0.00 0.34 0.38 2.01 96.77 Average: 1 0.67 0.00 0.43 0.15 1.94 96.81 Average: 2 0.57 0.00 0.46 0.08 1.83 97.06 Average: 3 0.34 0.00 0.29 0.01 1.77 97.59