---> uname -a: Linux 16ac09a41416 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 6.4G 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 620 74 0 1142 1113 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) 06/03/20 _x86_64_ (4 CPU) 11:42:33 LINUX RESTART 11:43:01 tps rtps wtps bread/s bwrtn/s 11:44:01 60.57 19.19 41.38 3405.99 3750.27 11:45:01 3.70 0.00 3.70 0.00 137.56 11:46:01 1.00 0.00 1.00 0.00 14.65 11:47:01 0.62 0.00 0.62 0.00 6.16 11:48:01 104.08 67.25 36.82 3929.42 16252.52 Average: 34.00 17.29 16.71 1467.49 4033.15 11:43:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:44:01 111672 1770632 94.07 2620 1206060 962132 32.83 437336 1167436 928 11:45:01 122464 1759840 93.49 2620 1206092 907980 30.98 432532 1164672 8 11:46:01 121504 1760800 93.54 2620 1206104 908184 30.99 433576 1164660 8 11:47:01 122856 1759448 93.47 2620 1206104 907980 30.98 434300 1162812 8 11:48:01 79588 1802716 95.77 2620 1187752 1118816 38.17 471104 1145848 69700 Average: 111617 1770687 94.07 2620 1202422 961018 32.79 441770 1161086 14130 11:43:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 11:44:01 eth0 343.56 213.58 1017.35 95.22 0.00 0.00 0.00 11:44:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:44:01 docker0 3.43 2.80 0.72 8.59 0.00 0.00 0.00 11:45:01 eth0 1.13 0.12 0.09 0.02 0.00 0.00 0.00 11:45:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:45:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:46:01 eth0 1.02 0.72 0.69 0.37 0.00 0.00 0.00 11:46:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:46:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:47:01 eth0 0.10 0.08 0.01 0.04 0.00 0.00 0.00 11:47:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:47:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:48:01 eth0 99.92 74.30 2331.95 11.70 0.00 0.00 0.00 11:48:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:48:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 89.17 57.78 670.19 21.48 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.69 0.56 0.14 1.72 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) 06/03/20 _x86_64_ (4 CPU) 11:42:33 LINUX RESTART 11:43:01 CPU %user %nice %system %iowait %steal %idle 11:44:01 all 13.87 0.00 4.68 1.96 1.64 77.85 11:44:01 0 12.24 0.00 5.51 0.32 1.70 80.23 11:44:01 1 13.43 0.00 4.46 2.67 1.70 77.74 11:44:01 2 15.15 0.00 4.40 4.06 1.70 74.69 11:44:01 3 14.68 0.00 4.32 0.79 1.49 78.72 11:45:01 all 0.14 0.00 0.05 0.00 0.05 99.77 11:45:01 0 0.05 0.00 0.03 0.00 0.03 99.88 11:45:01 1 0.37 0.00 0.07 0.00 0.08 99.48 11:45:01 2 0.08 0.00 0.07 0.00 0.03 99.82 11:45:01 3 0.05 0.00 0.05 0.00 0.02 99.88 11:46:01 all 0.15 0.00 0.05 0.00 0.03 99.77 11:46:01 0 0.07 0.00 0.03 0.00 0.03 99.87 11:46:01 1 0.40 0.00 0.05 0.00 0.02 99.53 11:46:01 2 0.08 0.00 0.05 0.00 0.03 99.83 11:46:01 3 0.07 0.00 0.05 0.00 0.05 99.83 11:47:01 all 0.11 0.00 0.07 0.00 0.05 99.77 11:47:01 0 0.03 0.00 0.05 0.00 0.05 99.87 11:47:01 1 0.32 0.00 0.05 0.00 0.03 99.60 11:47:01 2 0.07 0.00 0.13 0.00 0.03 99.77 11:47:01 3 0.03 0.00 0.03 0.00 0.05 99.88 11:48:01 all 4.69 0.00 2.85 1.17 1.68 89.60 11:48:01 0 4.80 0.00 2.99 0.97 1.63 89.61 11:48:01 1 5.23 0.00 3.30 2.65 1.63 87.19 11:48:01 2 4.72 0.00 2.46 0.72 1.79 90.31 11:48:01 3 4.01 0.00 2.67 0.34 1.68 91.31 Average: all 3.77 0.00 1.53 0.62 0.69 93.39 Average: 0 3.42 0.00 1.71 0.26 0.69 93.93 Average: 1 3.93 0.00 1.58 1.06 0.69 92.74 Average: 2 4.00 0.00 1.41 0.95 0.72 92.92 Average: 3 3.74 0.00 1.42 0.22 0.65 93.97