---> uname -a: Linux 5c728968f63b 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: 2933.436 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 6.3G 43.7G 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 6.3G 43.7G 13% /etc/resolv.conf /dev/vda1 50.0G 6.3G 43.7G 13% /etc/hostname /dev/vda1 50.0G 6.3G 43.7G 13% /etc/hosts /dev/vda1 50.0G 6.3G 43.7G 13% /w/workspace/dry_go-mod-core-contracts_PR-231 /dev/vda1 50.0G 6.3G 43.7G 13% /w/workspace/dry_go-mod-core-contracts_PR-231@tmp /dev/vda1 50.0G 6.3G 43.7G 13% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1838 594 69 0 1174 1138 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) 04/08/20 _x86_64_ (4 CPU) 08:40:24 LINUX RESTART 08:41:01 tps rtps wtps bread/s bwrtn/s 08:42:01 43.50 9.47 34.03 2062.24 2431.92 08:43:01 2.25 0.00 2.25 0.00 80.35 08:44:01 0.32 0.00 0.32 0.00 4.36 08:45:01 0.27 0.00 0.27 0.00 3.79 08:46:01 0.27 0.00 0.27 0.00 3.51 08:47:01 0.32 0.00 0.32 0.00 3.93 08:48:01 113.07 72.10 40.97 4070.18 17086.60 Average: 22.92 11.68 11.23 878.50 2809.65 08:41:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:42:01 102844 1779460 94.54 2620 1246780 941560 32.13 431012 1188612 12 08:43:01 109116 1773188 94.20 2620 1246784 903640 30.83 427736 1186304 8 08:44:01 108740 1773564 94.22 2620 1246792 903640 30.83 427880 1186196 8 08:45:01 108048 1774256 94.26 2620 1246796 903808 30.84 428856 1186160 8 08:46:01 107992 1774312 94.26 2620 1246804 903796 30.84 428960 1186160 8 08:47:01 109140 1773164 94.20 2620 1246808 903640 30.83 428012 1186160 8 08:48:01 69828 1812476 96.29 2620 1221716 1108216 37.81 463880 1163008 46796 Average: 102244 1780060 94.57 2620 1243211 938329 32.02 433762 1183229 6693 08:41:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 08:42:01 eth0 166.83 104.11 527.86 57.08 0.00 0.00 0.00 08:42:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:42:01 docker0 3.71 3.00 0.72 8.45 0.00 0.00 0.00 08:43:01 eth0 0.12 0.08 0.01 0.02 0.00 0.00 0.00 08:43:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:43:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:44:01 eth0 0.52 0.08 0.04 0.01 0.00 0.00 0.00 08:44:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:44:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:45:01 eth0 7.49 3.73 6.41 0.43 0.00 0.00 0.00 08:45:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:45:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:46:01 eth0 0.67 0.52 0.35 0.27 0.00 0.00 0.00 08:46:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:46:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:47:01 eth0 0.13 0.08 0.01 0.01 0.00 0.00 0.00 08:47:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:47:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:48:01 eth0 92.21 74.35 2328.00 10.36 0.00 0.00 0.00 08:48:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:48:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 38.37 26.20 410.06 9.77 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.53 0.43 0.10 1.21 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) 08:40:24 LINUX RESTART 08:41:01 CPU %user %nice %system %iowait %steal %idle 08:42:01 all 5.05 0.00 1.89 1.17 0.28 91.62 08:42:01 0 4.47 0.00 2.03 0.12 0.25 93.12 08:42:01 1 4.87 0.00 1.90 0.62 0.29 92.32 08:42:01 2 6.38 0.00 1.75 1.41 0.29 90.18 08:42:01 3 4.46 0.00 1.86 2.50 0.30 90.87 08:43:01 all 0.19 0.00 0.05 0.00 0.01 99.75 08:43:01 0 0.03 0.00 0.05 0.00 0.02 99.90 08:43:01 1 0.12 0.00 0.07 0.00 0.00 99.82 08:43:01 2 0.07 0.00 0.05 0.00 0.02 99.87 08:43:01 3 0.53 0.00 0.05 0.00 0.02 99.40 08:44:01 all 0.16 0.00 0.05 0.00 0.01 99.79 08:44:01 0 0.02 0.00 0.02 0.00 0.00 99.97 08:44:01 1 0.05 0.00 0.07 0.00 0.02 99.87 08:44:01 2 0.05 0.00 0.03 0.00 0.02 99.90 08:44:01 3 0.52 0.00 0.07 0.00 0.00 99.42 08:45:01 all 0.20 0.00 0.06 0.00 0.02 99.72 08:45:01 0 0.07 0.00 0.08 0.00 0.03 99.81 08:45:01 1 0.08 0.00 0.03 0.00 0.03 99.85 08:45:01 2 0.12 0.00 0.08 0.00 0.00 99.80 08:45:01 3 0.53 0.00 0.05 0.00 0.02 99.41 08:46:01 all 0.10 0.00 0.04 0.00 0.02 99.84 08:46:01 0 0.03 0.00 0.02 0.00 0.02 99.93 08:46:01 1 0.10 0.00 0.05 0.00 0.02 99.83 08:46:01 2 0.08 0.00 0.03 0.00 0.00 99.88 08:46:01 3 0.22 0.00 0.05 0.00 0.02 99.72 08:47:01 all 0.10 0.00 0.04 0.00 0.01 99.85 08:47:01 0 0.03 0.00 0.02 0.00 0.00 99.95 08:47:01 1 0.03 0.00 0.03 0.00 0.02 99.92 08:47:01 2 0.05 0.00 0.05 0.00 0.02 99.88 08:47:01 3 0.30 0.00 0.07 0.00 0.02 99.62 08:48:01 all 4.73 0.00 2.70 1.22 0.21 91.14 08:48:01 0 4.15 0.00 2.56 0.67 0.24 92.38 08:48:01 1 4.95 0.00 2.71 1.83 0.19 90.33 08:48:01 2 3.96 0.00 2.56 0.24 0.24 93.01 08:48:01 3 5.83 0.00 2.95 2.17 0.19 88.87 Average: all 1.50 0.00 0.69 0.34 0.08 97.39 Average: 0 1.25 0.00 0.68 0.11 0.08 97.87 Average: 1 1.45 0.00 0.69 0.35 0.08 97.43 Average: 2 1.52 0.00 0.65 0.23 0.08 97.51 Average: 3 1.76 0.00 0.73 0.67 0.08 96.77