---> uname -a: Linux 1a9e6c87fb56 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% /w/workspace/dry_go-mod-core-contracts_PR-211@tmp /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-211 ---> free -m: total used free shared buff/cache available Mem: 1838 586 80 0 1170 1147 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) 02/03/20 _x86_64_ (4 CPU) 15:14:42 LINUX RESTART 15:15:01 tps rtps wtps bread/s bwrtn/s 15:16:02 148.38 76.40 71.98 6553.56 36791.32 15:17:01 14.52 0.05 14.47 1.62 2159.60 15:18:01 2.31 0.00 2.31 0.00 74.62 15:19:01 0.30 0.00 0.30 0.00 2.95 15:20:01 0.32 0.00 0.32 0.00 5.25 15:21:01 0.37 0.00 0.37 0.00 5.19 15:22:01 0.30 0.00 0.30 0.00 3.36 15:23:01 57.74 52.05 5.69 3544.49 4068.57 Average: 28.08 16.11 11.97 1266.12 5401.24 15:15:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:16:02 106432 1775872 94.35 2620 1248160 988656 33.73 429304 1187916 58496 15:17:01 105216 1777088 94.41 2620 1248128 984472 33.59 430516 1187160 12 15:18:01 117760 1764544 93.74 2620 1248132 897460 30.62 420012 1187124 12 15:19:01 116220 1766084 93.83 2620 1248132 897800 30.63 421436 1187124 16 15:20:01 115880 1766424 93.84 2620 1248196 897892 30.64 421832 1187108 24 15:21:01 115920 1766384 93.84 2620 1248144 897964 30.64 422252 1187096 8 15:22:01 118016 1764288 93.73 2620 1248148 897592 30.63 420148 1187092 8 15:23:01 75308 1806996 96.00 2620 1251432 1106612 37.76 445908 1196572 69824 Average: 108844 1773460 94.22 2620 1248559 946056 32.28 426426 1188399 16050 15:15:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 15:16:02 eth0 194.43 156.14 982.35 81.32 0.00 0.00 0.00 15:16:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:16:02 docker0 2.59 2.18 0.58 7.56 0.00 0.00 0.00 15:17:01 eth0 3.32 2.62 0.55 8.18 0.00 0.00 0.00 15:17:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:17:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:18:01 eth0 0.47 0.13 0.04 0.01 0.00 0.00 0.00 15:18:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:18:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:19:01 eth0 1.43 0.63 0.82 0.19 0.00 0.00 0.00 15:19:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:19:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:20:01 eth0 1.45 0.32 0.35 0.23 0.00 0.00 0.00 15:20:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:21:01 eth0 0.98 0.68 0.66 0.43 0.00 0.00 0.00 15:21:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:21:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:22:01 eth0 0.12 0.10 0.01 0.04 0.00 0.00 0.00 15:22:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:22:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:23:01 eth0 77.77 65.54 2113.16 9.07 0.00 0.00 0.00 15:23:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:23:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 35.09 28.35 388.22 12.45 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.33 0.27 0.07 0.95 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) 02/03/20 _x86_64_ (4 CPU) 15:14:42 LINUX RESTART 15:15:01 CPU %user %nice %system %iowait %steal %idle 15:16:02 all 13.58 0.00 9.09 5.20 16.12 56.01 15:16:02 0 12.49 0.00 7.43 5.57 18.04 56.47 15:16:02 1 13.29 0.00 12.57 4.45 14.67 55.01 15:16:02 2 13.59 0.00 8.18 6.59 16.10 55.54 15:16:02 3 14.99 0.00 8.19 4.19 15.61 57.02 15:17:01 all 0.33 0.00 0.12 0.00 0.81 98.74 15:17:01 0 0.24 0.00 0.15 0.00 0.91 98.70 15:17:01 1 0.66 0.00 0.12 0.00 0.63 98.60 15:17:01 2 0.25 0.00 0.10 0.00 0.91 98.73 15:17:01 3 0.19 0.00 0.14 0.00 0.76 98.92 15:18:01 all 0.13 0.00 0.08 0.00 0.10 99.70 15:18:01 0 0.05 0.00 0.07 0.00 0.12 99.77 15:18:01 1 0.30 0.00 0.05 0.00 0.07 99.58 15:18:01 2 0.07 0.00 0.08 0.00 0.08 99.77 15:18:01 3 0.10 0.00 0.08 0.00 0.12 99.70 15:19:01 all 0.10 0.00 0.04 0.00 0.92 98.94 15:19:01 0 0.05 0.00 0.05 0.00 1.11 98.79 15:19:01 1 0.25 0.00 0.03 0.00 1.03 98.69 15:19:01 2 0.05 0.00 0.03 0.00 0.83 99.09 15:19:01 3 0.03 0.00 0.03 0.00 0.73 99.21 15:20:01 all 0.12 0.00 0.06 0.00 0.88 98.94 15:20:01 0 0.05 0.00 0.03 0.00 1.06 98.86 15:20:01 1 0.28 0.00 0.10 0.00 0.58 99.04 15:20:01 2 0.08 0.00 0.05 0.00 0.97 98.89 15:20:01 3 0.08 0.00 0.07 0.00 0.91 98.94 15:21:01 all 0.15 0.00 0.05 0.00 0.14 99.66 15:21:01 0 0.02 0.00 0.03 0.00 0.15 99.80 15:21:01 1 0.07 0.00 0.05 0.00 0.20 99.68 15:21:01 2 0.42 0.00 0.08 0.00 0.03 99.47 15:21:01 3 0.10 0.00 0.05 0.00 0.15 99.70 15:22:01 all 0.12 0.00 0.04 0.00 0.12 99.72 15:22:01 0 0.03 0.00 0.02 0.00 0.17 99.78 15:22:01 1 0.07 0.00 0.03 0.00 0.05 99.85 15:22:01 2 0.33 0.00 0.08 0.00 0.13 99.45 15:22:01 3 0.03 0.00 0.05 0.00 0.10 99.82 15:23:01 all 1.56 0.00 0.99 1.36 2.48 93.62 15:23:01 0 1.79 0.00 1.29 0.52 2.71 93.69 15:23:01 1 1.11 0.00 0.81 0.60 2.66 94.81 15:23:01 2 2.43 0.00 0.89 3.74 2.07 90.87 15:23:01 3 0.95 0.00 0.93 0.62 2.48 95.01 Average: all 2.01 0.00 1.31 0.82 2.70 93.16 Average: 0 1.87 0.00 1.15 0.77 3.07 93.14 Average: 1 2.00 0.00 1.72 0.63 2.49 93.16 Average: 2 2.15 0.00 1.19 1.29 2.64 92.75 Average: 3 2.04 0.00 1.18 0.60 2.59 93.58