---> uname -a: Linux a4bf62f16f13 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 6.3G 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 607 72 0 1157 1126 Swap: 1023 1 1022 ---> 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) 16:41:12 LINUX RESTART 16:42:02 tps rtps wtps bread/s bwrtn/s 16:43:01 9.72 0.03 9.69 1.08 1929.38 16:44:01 2.27 0.00 2.27 0.00 76.87 16:45:01 0.30 0.00 0.30 0.00 3.76 16:46:01 0.28 0.00 0.28 0.00 3.20 16:47:01 0.22 0.00 0.22 0.00 2.90 Average: 2.53 0.01 2.53 0.21 398.19 16:42:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:43:01 120304 1762000 93.61 2620 1226244 902612 30.80 413468 1190708 20 16:44:01 120848 1761456 93.58 2620 1226248 895488 30.55 413804 1190080 16 16:45:01 119576 1762728 93.65 2620 1226256 895720 30.56 419004 1185772 8 16:46:01 120740 1761564 93.59 2620 1226256 895480 30.55 417924 1185772 8 16:47:01 120852 1761452 93.58 2620 1226264 895564 30.56 418288 1185772 8 Average: 120464 1761840 93.60 2620 1226254 896973 30.60 416498 1187621 12 16:42:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 16:43:01 eth0 0.69 0.14 0.05 0.08 0.00 0.00 0.00 16:43:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:43:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:44:01 eth0 0.77 0.22 0.23 0.02 0.00 0.00 0.00 16:44:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:44:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:45:01 eth0 0.62 0.48 0.51 0.36 0.00 0.00 0.00 16:45:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:45:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:46:01 eth0 0.10 0.08 0.01 0.04 0.00 0.00 0.00 16:46:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:46:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:47:01 eth0 0.22 0.18 0.08 0.07 0.00 0.00 0.00 16:47:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:47:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 0.48 0.22 0.18 0.11 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) 16:41:12 LINUX RESTART 16:42:02 CPU %user %nice %system %iowait %steal %idle 16:43:01 all 0.22 0.00 0.09 0.00 0.00 99.69 16:43:01 0 0.05 0.00 0.12 0.00 0.00 99.83 16:43:01 1 0.14 0.00 0.10 0.00 0.00 99.76 16:43:01 2 0.59 0.00 0.05 0.00 0.00 99.36 16:43:01 3 0.08 0.00 0.12 0.00 0.00 99.80 16:44:01 all 0.19 0.00 0.04 0.00 0.00 99.77 16:44:01 0 0.08 0.00 0.07 0.02 0.00 99.83 16:44:01 1 0.07 0.00 0.05 0.00 0.00 99.88 16:44:01 2 0.55 0.00 0.03 0.00 0.00 99.42 16:44:01 3 0.07 0.00 0.03 0.00 0.00 99.90 16:45:01 all 0.20 0.00 0.05 0.00 0.00 99.75 16:45:01 0 0.08 0.00 0.03 0.00 0.00 99.88 16:45:01 1 0.12 0.00 0.03 0.00 0.00 99.85 16:45:01 2 0.07 0.00 0.05 0.00 0.00 99.88 16:45:01 3 0.55 0.00 0.03 0.00 0.00 99.42 16:46:01 all 0.20 0.00 0.03 0.00 0.00 99.77 16:46:01 0 0.42 0.00 0.02 0.00 0.00 99.57 16:46:01 1 0.05 0.00 0.05 0.00 0.00 99.90 16:46:01 2 0.18 0.00 0.05 0.00 0.02 99.75 16:46:01 3 0.13 0.00 0.05 0.00 0.00 99.82 16:47:01 all 0.17 0.00 0.03 0.00 0.00 99.80 16:47:01 0 0.05 0.00 0.02 0.00 0.00 99.93 16:47:01 1 0.48 0.00 0.03 0.00 0.02 99.47 16:47:01 2 0.15 0.00 0.03 0.00 0.00 99.82 16:47:01 3 0.02 0.00 0.02 0.00 0.00 99.97 Average: all 0.20 0.00 0.05 0.00 0.00 99.75 Average: 0 0.14 0.00 0.05 0.00 0.00 99.81 Average: 1 0.17 0.00 0.05 0.00 0.00 99.77 Average: 2 0.31 0.00 0.04 0.00 0.00 99.65 Average: 3 0.17 0.00 0.05 0.00 0.00 99.78