---> uname -a: Linux 0894ff193f4e 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 624 70 0 1142 1108 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) 16:24:14 LINUX RESTART 16:25:01 tps rtps wtps bread/s bwrtn/s 16:26:01 14.31 1.45 12.86 81.41 1893.45 16:27:01 2.56 0.00 2.56 0.00 81.03 16:28:01 0.75 0.00 0.75 0.00 8.54 16:29:01 0.63 0.00 0.63 0.00 7.66 16:30:01 0.33 0.00 0.33 0.00 4.60 Average: 3.72 0.29 3.43 16.28 399.06 16:25:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:26:01 109156 1773148 94.20 2620 1211828 933600 31.85 428588 1186600 20 16:27:01 115152 1767152 93.88 2620 1211832 902912 30.81 427948 1182424 8 16:28:01 113708 1768596 93.96 2620 1211840 903140 30.81 435744 1175948 8 16:29:01 115180 1767124 93.88 2620 1211852 902912 30.81 434548 1175956 24 16:30:01 114784 1767520 93.90 2620 1211848 903008 30.81 435124 1175948 20 Average: 113596 1768708 93.97 2620 1211840 909114 31.02 432390 1179375 16 16:25:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 16:26:01 eth0 16.71 12.18 9.23 24.46 0.00 0.00 0.00 16:26:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:26:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:27:01 eth0 0.53 0.07 0.04 0.01 0.00 0.00 0.00 16:27:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:27:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:28:01 eth0 1.70 0.63 0.64 0.40 0.00 0.00 0.00 16:28:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:28:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:29:01 eth0 0.43 0.07 0.04 0.00 0.00 0.00 0.00 16:29:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:29:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:30:01 eth0 0.23 0.18 0.08 0.07 0.00 0.00 0.00 16:30:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 3.92 2.62 2.01 4.99 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) 16:24:14 LINUX RESTART 16:25:01 CPU %user %nice %system %iowait %steal %idle 16:26:01 all 0.60 0.00 0.15 0.00 0.00 99.25 16:26:01 0 0.60 0.00 0.17 0.02 0.00 99.21 16:26:01 1 0.47 0.00 0.15 0.00 0.00 99.38 16:26:01 2 0.83 0.00 0.08 0.02 0.00 99.07 16:26:01 3 0.48 0.00 0.17 0.02 0.02 99.32 16:27:01 all 0.19 0.00 0.04 0.00 0.00 99.77 16:27:01 0 0.35 0.00 0.05 0.00 0.00 99.60 16:27:01 1 0.28 0.00 0.05 0.00 0.00 99.67 16:27:01 2 0.05 0.00 0.03 0.00 0.00 99.92 16:27:01 3 0.08 0.00 0.05 0.00 0.00 99.87 16:28:01 all 0.18 0.00 0.05 0.00 0.00 99.77 16:28:01 0 0.12 0.00 0.08 0.00 0.02 99.78 16:28:01 1 0.53 0.00 0.03 0.00 0.00 99.43 16:28:01 2 0.05 0.00 0.03 0.00 0.00 99.92 16:28:01 3 0.03 0.00 0.03 0.00 0.00 99.93 16:29:01 all 0.18 0.00 0.04 0.00 0.00 99.77 16:29:01 0 0.02 0.00 0.02 0.00 0.00 99.97 16:29:01 1 0.58 0.00 0.02 0.00 0.00 99.40 16:29:01 2 0.05 0.00 0.02 0.00 0.00 99.93 16:29:01 3 0.08 0.00 0.07 0.00 0.00 99.85 16:30:01 all 0.16 0.00 0.04 0.00 0.00 99.80 16:30:01 0 0.03 0.00 0.03 0.00 0.00 99.93 16:30:01 1 0.23 0.00 0.05 0.00 0.00 99.72 16:30:01 2 0.33 0.00 0.03 0.00 0.00 99.63 16:30:01 3 0.05 0.00 0.05 0.00 0.00 99.90 Average: all 0.26 0.00 0.06 0.00 0.00 99.67 Average: 0 0.22 0.00 0.07 0.00 0.00 99.70 Average: 1 0.42 0.00 0.06 0.00 0.00 99.52 Average: 2 0.26 0.00 0.04 0.00 0.00 99.69 Average: 3 0.15 0.00 0.07 0.00 0.00 99.77