---> uname -a: Linux d41f965efb42 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 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% /var/log/sa /dev/vda1 50.0G 6.3G 43.7G 13% /w/workspace/dry_go-mod-core-contracts_PR-198 /dev/vda1 50.0G 6.3G 43.7G 13% /w/workspace/dry_go-mod-core-contracts_PR-198@tmp ---> free -m: total used free shared buff/cache available Mem: 1838 595 77 0 1164 1137 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) 01/21/20 _x86_64_ (4 CPU) 16:10:54 LINUX RESTART 16:12:02 tps rtps wtps bread/s bwrtn/s 16:13:01 3.76 0.00 3.76 0.00 117.91 16:14:01 0.27 0.00 0.27 0.00 3.20 16:15:02 0.28 0.00 0.28 0.00 3.48 16:16:01 0.24 0.00 0.24 0.00 3.12 16:17:01 0.28 0.00 0.28 0.00 3.63 16:18:01 0.35 0.00 0.35 0.00 3.93 16:19:01 0.28 0.00 0.28 0.00 3.20 Average: 0.77 0.00 0.77 0.00 19.59 16:12:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:13:01 108444 1773860 94.24 2620 1241004 911472 31.10 428344 1187268 8 16:14:01 108476 1773828 94.24 2620 1241008 911424 31.10 428676 1186968 8 16:15:02 108624 1773680 94.23 2620 1241016 911448 31.10 428752 1186968 8 16:16:01 108476 1773828 94.24 2620 1241016 911484 31.10 428900 1186968 16 16:17:01 108820 1773484 94.22 2620 1241024 911448 31.10 428752 1186968 12 16:18:01 109888 1772416 94.16 2620 1241028 911280 31.09 427844 1186964 8 16:19:01 112532 1769772 94.02 2620 1241032 911280 31.09 425244 1186964 12 Average: 109323 1772981 94.19 2620 1241018 911405 31.10 428073 1187010 10 16:12:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 16:13:01 eth0 1.29 0.49 0.32 0.22 0.00 0.00 0.00 16:13:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:13:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:14:01 eth0 0.92 0.38 0.32 0.24 0.00 0.00 0.00 16:14:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:14:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:15:02 eth0 1.25 0.37 0.33 0.21 0.00 0.00 0.00 16:15:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:15:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:16:01 eth0 0.54 0.29 0.28 0.20 0.00 0.00 0.00 16:16:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:16:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:17:01 eth0 0.35 0.22 0.15 0.07 0.00 0.00 0.00 16:17:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:17:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:18:01 eth0 0.08 0.07 0.01 0.01 0.00 0.00 0.00 16:18:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:18:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:19:01 eth0 0.03 0.02 0.00 0.00 0.00 0.00 0.00 16:19:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:19:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 0.64 0.26 0.20 0.13 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 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) 01/21/20 _x86_64_ (4 CPU) 16:10:54 LINUX RESTART 16:12:02 CPU %user %nice %system %iowait %steal %idle 16:13:01 all 0.20 0.00 0.06 0.00 0.00 99.73 16:13:01 0 0.56 0.00 0.05 0.00 0.00 99.39 16:13:01 1 0.12 0.00 0.05 0.00 0.00 99.83 16:13:01 2 0.05 0.00 0.07 0.00 0.00 99.88 16:13:01 3 0.08 0.00 0.08 0.00 0.00 99.83 16:14:01 all 0.20 0.00 0.05 0.00 0.00 99.75 16:14:01 0 0.53 0.00 0.03 0.00 0.00 99.43 16:14:01 1 0.10 0.00 0.07 0.00 0.00 99.83 16:14:01 2 0.07 0.00 0.05 0.00 0.02 99.87 16:14:01 3 0.10 0.00 0.05 0.00 0.00 99.85 16:15:02 all 0.18 0.00 0.05 0.00 0.00 99.77 16:15:02 0 0.50 0.00 0.03 0.00 0.00 99.47 16:15:02 1 0.05 0.00 0.05 0.00 0.00 99.90 16:15:02 2 0.08 0.00 0.07 0.00 0.00 99.85 16:15:02 3 0.07 0.00 0.07 0.00 0.00 99.87 16:16:01 all 0.20 0.00 0.06 0.00 0.00 99.75 16:16:01 0 0.54 0.00 0.03 0.00 0.00 99.42 16:16:01 1 0.08 0.00 0.05 0.00 0.00 99.86 16:16:01 2 0.05 0.00 0.07 0.00 0.00 99.88 16:16:01 3 0.12 0.00 0.05 0.00 0.00 99.83 16:17:01 all 0.17 0.00 0.05 0.00 0.00 99.77 16:17:01 0 0.52 0.00 0.03 0.00 0.00 99.45 16:17:01 1 0.07 0.00 0.08 0.00 0.02 99.83 16:17:01 2 0.07 0.00 0.07 0.00 0.00 99.87 16:17:01 3 0.03 0.00 0.05 0.00 0.00 99.92 16:18:01 all 0.18 0.00 0.05 0.00 0.00 99.77 16:18:01 0 0.47 0.00 0.02 0.00 0.00 99.52 16:18:01 1 0.03 0.00 0.05 0.00 0.00 99.92 16:18:01 2 0.12 0.00 0.07 0.00 0.00 99.82 16:18:01 3 0.08 0.00 0.05 0.00 0.00 99.87 16:19:01 all 0.16 0.00 0.05 0.00 0.00 99.79 16:19:01 0 0.05 0.00 0.03 0.00 0.00 99.92 16:19:01 1 0.03 0.00 0.03 0.00 0.00 99.93 16:19:01 2 0.53 0.00 0.05 0.00 0.00 99.42 16:19:01 3 0.05 0.00 0.05 0.00 0.00 99.90 Average: all 0.18 0.00 0.05 0.00 0.00 99.76 Average: 0 0.45 0.00 0.03 0.00 0.00 99.51 Average: 1 0.07 0.00 0.06 0.00 0.00 99.87 Average: 2 0.14 0.00 0.06 0.00 0.00 99.80 Average: 3 0.08 0.00 0.06 0.00 0.00 99.87