---> uname -a: Linux 0f38a2225181 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 6.4G 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 600 77 0 1160 1134 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) 04/14/20 _x86_64_ (4 CPU) 03:29:22 LINUX RESTART 03:30:01 tps rtps wtps bread/s bwrtn/s 03:31:01 24.39 6.58 17.81 1900.72 2002.33 03:32:01 2.61 0.00 2.61 0.00 89.81 03:33:01 0.27 0.00 0.27 0.00 4.01 03:34:01 0.77 0.52 0.25 60.88 2.70 03:35:01 1.27 0.00 1.27 0.00 36.04 03:36:01 0.37 0.00 0.37 0.00 5.05 Average: 4.95 1.18 3.76 327.04 356.77 03:30:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:31:01 105308 1776996 94.41 2620 1244400 948760 32.37 424000 1193796 16 03:32:01 112664 1769640 94.01 2620 1244404 911892 31.11 419092 1192292 16 03:33:01 111368 1770936 94.08 2620 1244416 912220 31.12 420552 1192292 16 03:34:01 100584 1781720 94.66 2620 1246356 924940 31.56 424384 1193348 132 03:35:01 100800 1781504 94.64 2620 1246364 924928 31.56 424392 1193348 20 03:36:01 101012 1781292 94.63 2620 1246368 924904 31.56 424404 1193348 16 Average: 105289 1777015 94.41 2620 1245385 924607 31.55 422804 1193071 36 03:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 03:31:01 eth0 124.65 88.16 439.01 39.71 0.00 0.00 0.00 03:31:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:31:01 docker0 4.58 3.48 0.78 8.64 0.00 0.00 0.00 03:32:01 eth0 1.10 0.08 0.11 0.04 0.00 0.00 0.00 03:32:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:32:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:33:01 eth0 2.32 0.82 0.88 0.56 0.00 0.00 0.00 03:33:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:33:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:34:01 eth0 4.51 2.86 4.59 1.64 0.00 0.00 0.00 03:34:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:34:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:35:01 eth0 3.41 1.87 2.88 1.50 0.00 0.00 0.00 03:35:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:35:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:36:01 eth0 2.10 0.95 1.11 0.57 0.00 0.00 0.00 03:36:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:36:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 23.02 15.80 74.79 7.34 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.76 0.58 0.13 1.44 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) 04/14/20 _x86_64_ (4 CPU) 03:29:22 LINUX RESTART 03:30:01 CPU %user %nice %system %iowait %steal %idle 03:31:01 all 3.24 0.00 1.55 0.10 0.01 95.09 03:31:01 0 3.26 0.00 1.74 0.10 0.02 94.88 03:31:01 1 3.31 0.00 1.36 0.05 0.00 95.28 03:31:01 2 3.49 0.00 1.79 0.25 0.02 94.45 03:31:01 3 2.91 0.00 1.36 0.05 0.02 95.66 03:32:01 all 0.16 0.00 0.07 0.00 0.00 99.77 03:32:01 0 0.05 0.00 0.03 0.00 0.00 99.92 03:32:01 1 0.45 0.00 0.07 0.00 0.00 99.48 03:32:01 2 0.08 0.00 0.08 0.00 0.00 99.83 03:32:01 3 0.03 0.00 0.08 0.00 0.00 99.88 03:33:01 all 0.20 0.00 0.06 0.00 0.00 99.73 03:33:01 0 0.05 0.00 0.05 0.00 0.00 99.90 03:33:01 1 0.57 0.00 0.03 0.00 0.00 99.40 03:33:01 2 0.13 0.00 0.07 0.00 0.00 99.80 03:33:01 3 0.07 0.00 0.05 0.00 0.00 99.88 03:34:01 all 0.45 0.00 0.25 0.02 0.00 99.28 03:34:01 0 0.30 0.00 0.17 0.02 0.00 99.52 03:34:01 1 0.68 0.00 0.18 0.02 0.00 99.12 03:34:01 2 0.25 0.00 0.25 0.00 0.00 99.50 03:34:01 3 0.57 0.00 0.40 0.02 0.00 99.02 03:35:01 all 0.23 0.00 0.08 0.00 0.00 99.69 03:35:01 0 0.07 0.00 0.05 0.00 0.00 99.88 03:35:01 1 0.65 0.00 0.12 0.00 0.00 99.23 03:35:01 2 0.15 0.00 0.08 0.00 0.00 99.77 03:35:01 3 0.07 0.00 0.05 0.00 0.00 99.88 03:36:01 all 0.14 0.00 0.07 0.00 0.00 99.79 03:36:01 0 0.03 0.00 0.05 0.00 0.00 99.92 03:36:01 1 0.33 0.00 0.08 0.00 0.00 99.58 03:36:01 2 0.12 0.00 0.08 0.00 0.00 99.80 03:36:01 3 0.08 0.00 0.10 0.00 0.02 99.80 Average: all 0.74 0.00 0.35 0.02 0.00 98.90 Average: 0 0.63 0.00 0.35 0.02 0.00 99.00 Average: 1 1.00 0.00 0.31 0.01 0.00 98.69 Average: 2 0.70 0.00 0.39 0.04 0.00 98.86 Average: 3 0.62 0.00 0.34 0.01 0.01 99.02