---> uname -a: Linux 00ccddaccdc4 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-231 /dev/vda1 50.0G 6.3G 43.7G 13% /w/workspace/dry_go-mod-core-contracts_PR-231@tmp ---> free -m: total used free shared buff/cache available Mem: 1838 594 76 0 1167 1139 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) 04/08/20 _x86_64_ (4 CPU) 17:23:32 LINUX RESTART 17:24:02 tps rtps wtps bread/s bwrtn/s 17:25:01 61.27 29.24 32.03 4709.22 2058.79 17:26:01 9.76 0.00 9.76 0.00 1575.39 17:27:01 1.18 0.00 1.18 0.00 26.46 17:28:01 0.17 0.00 0.17 0.00 1.73 17:29:01 139.14 88.13 51.01 5334.09 17456.15 Average: 42.27 23.47 18.80 2001.30 4234.25 17:24:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:25:01 87268 1795036 95.36 2620 1245240 965600 32.95 447004 1190064 44012 17:26:01 111392 1770912 94.08 2620 1245276 894876 30.53 424304 1188600 12 17:27:01 110196 1772108 94.15 2620 1245284 895224 30.54 425596 1188584 8 17:28:01 109864 1772440 94.16 2620 1245284 895236 30.54 426668 1187604 8 17:29:01 116476 1765828 93.81 2620 1188484 1007892 34.39 428296 1146800 80972 Average: 107039 1775265 94.31 2620 1233914 931766 31.79 430374 1180330 25002 17:24:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 17:25:01 eth0 227.46 164.79 1016.61 87.74 0.00 0.00 0.00 17:25:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:25:01 docker0 4.75 3.48 0.81 8.58 0.00 0.00 0.00 17:26:01 eth0 1.15 0.10 0.10 0.01 0.00 0.00 0.00 17:26:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:26:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:27:01 eth0 1.17 0.53 0.56 0.36 0.00 0.00 0.00 17:27:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:27:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:28:01 eth0 0.75 0.57 0.48 0.25 0.00 0.00 0.00 17:28:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:28:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:29:01 vethdddb9a3 0.00 0.05 0.00 0.00 0.00 0.00 0.00 17:29:01 eth0 347.62 247.67 3375.05 101.06 0.00 0.00 0.00 17:29:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 17:29:01 docker0 4.67 3.43 0.80 8.44 0.00 0.00 0.00 Average: vethdddb9a3 0.00 0.01 0.00 0.00 0.00 0.00 0.00 Average: eth0 69.82 49.74 677.87 20.30 0.00 0.00 0.00 Average: lo 0.02 0.02 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.94 0.69 0.16 1.69 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) 04/08/20 _x86_64_ (4 CPU) 17:23:32 LINUX RESTART 17:24:02 CPU %user %nice %system %iowait %steal %idle 17:25:01 all 13.36 0.00 4.99 2.51 11.48 67.66 17:25:01 0 12.79 0.00 5.20 2.89 12.59 66.53 17:25:01 1 13.08 0.00 5.52 4.33 11.49 65.59 17:25:01 2 16.03 0.00 4.17 1.27 10.30 68.24 17:25:01 3 11.51 0.00 5.11 1.58 11.53 70.27 17:26:01 all 0.14 0.00 0.11 0.00 0.65 99.09 17:26:01 0 0.03 0.00 0.07 0.00 0.75 99.15 17:26:01 1 0.28 0.00 0.13 0.00 0.75 98.84 17:26:01 2 0.20 0.00 0.15 0.00 0.63 99.02 17:26:01 3 0.03 0.00 0.08 0.00 0.50 99.39 17:27:01 all 0.16 0.00 0.04 0.05 0.11 99.64 17:27:01 0 0.17 0.00 0.02 0.00 0.15 99.67 17:27:01 1 0.08 0.00 0.05 0.18 0.17 99.52 17:27:01 2 0.25 0.00 0.05 0.00 0.08 99.62 17:27:01 3 0.15 0.00 0.03 0.00 0.05 99.77 17:28:01 all 0.13 0.00 0.03 0.00 0.33 99.50 17:28:01 0 0.03 0.00 0.02 0.00 0.35 99.60 17:28:01 1 0.05 0.00 0.07 0.00 0.56 99.32 17:28:01 2 0.38 0.00 0.03 0.00 0.37 99.22 17:28:01 3 0.05 0.00 0.03 0.00 0.03 99.88 17:29:01 all 3.75 0.00 2.46 1.81 7.92 84.05 17:29:01 0 3.39 0.00 2.48 0.66 8.26 85.21 17:29:01 1 3.77 0.00 2.68 1.73 7.81 84.01 17:29:01 2 3.57 0.00 2.13 0.38 7.84 86.08 17:29:01 3 4.27 0.00 2.56 4.46 7.78 80.92 Average: all 3.47 0.00 1.52 0.87 4.08 90.06 Average: 0 3.24 0.00 1.54 0.70 4.39 90.13 Average: 1 3.42 0.00 1.67 1.24 4.13 89.55 Average: 2 4.06 0.00 1.30 0.33 3.83 90.49 Average: 3 3.18 0.00 1.56 1.21 3.96 90.09