---> uname -a: Linux 176978ab8d08 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 7.0G 43.0G 14% / 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 7.0G 43.0G 14% /etc/resolv.conf /dev/vda1 50.0G 7.0G 43.0G 14% /etc/hostname /dev/vda1 50.0G 7.0G 43.0G 14% /etc/hosts /dev/vda1 50.0G 7.0G 43.0G 14% /var/log/sa /dev/vda1 50.0G 7.0G 43.0G 14% /w/workspace/go-mod-core-contracts/2@tmp /dev/vda1 50.0G 7.0G 43.0G 14% /w/workspace/go-mod-core-contracts/2 ---> free -m: total used free shared buff/cache available Mem: 1838 655 84 0 1098 1087 Swap: 1023 2 1021 ---> 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 12: eth0@if13: 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) 01/20/20 _x86_64_ (4 CPU) 15:40:46 LINUX RESTART 15:41:01 tps rtps wtps bread/s bwrtn/s 15:42:02 430.76 257.80 172.95 12943.95 74500.40 15:43:02 79.93 50.51 29.42 2617.80 3630.59 15:44:01 2.42 0.05 2.37 1.63 55.48 15:45:01 0.22 0.00 0.22 0.00 3.10 15:46:01 0.28 0.03 0.25 1.07 3.85 15:47:01 0.40 0.02 0.38 0.53 5.06 Average: 85.99 51.59 34.40 2603.57 13107.31 15:41:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:42:02 105968 1776336 94.37 2620 1183760 971236 33.14 407128 1158356 48984 15:43:02 673460 1208844 64.22 2324 636716 950916 32.44 459240 554160 36 15:44:01 675688 1206616 64.10 2324 636628 915140 31.22 461396 551584 8 15:45:01 676976 1205328 64.03 2324 636628 914924 31.22 460268 551584 12 15:46:01 676644 1205660 64.05 2324 636636 914924 31.22 488948 522912 8 15:47:01 674608 1207696 64.16 2324 636640 915008 31.22 500444 513468 8 Average: 580557 1301747 69.16 2373 727835 930358 31.74 462904 642011 8176 15:41:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 15:42:02 eth0 562.39 401.86 6128.25 108.08 0.00 0.00 0.00 15:42:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:42:02 docker0 17.20 21.02 1.72 56.69 0.00 0.00 0.00 15:43:02 eth0 21.74 13.18 20.17 7.62 0.00 0.00 0.00 15:43:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:43:02 docker0 0.02 0.02 0.00 0.00 0.00 0.00 0.00 15:44:01 eth0 0.66 0.52 0.28 0.22 0.00 0.00 0.00 15:44:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:44:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:45:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 15:45:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:45:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:46:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 15:46:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:46:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:47:01 eth0 0.60 0.17 0.11 0.07 0.00 0.00 0.00 15:47:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:47:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 98.17 69.73 1031.41 19.44 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 2.89 3.53 0.29 9.51 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) 01/20/20 _x86_64_ (4 CPU) 15:40:46 LINUX RESTART 15:41:01 CPU %user %nice %system %iowait %steal %idle 15:42:02 all 23.60 0.00 13.03 10.25 0.10 53.02 15:42:02 0 22.41 0.00 13.62 8.32 0.09 55.57 15:42:02 1 23.45 0.00 13.04 11.39 0.09 52.03 15:42:02 2 25.22 0.00 11.70 8.09 0.10 54.89 15:42:02 3 23.32 0.00 13.76 13.26 0.10 49.56 15:43:02 all 23.26 0.00 5.40 5.67 0.03 65.64 15:43:02 0 23.37 0.00 5.24 6.84 0.02 64.53 15:43:02 1 23.64 0.00 5.50 5.01 0.03 65.82 15:43:02 2 23.13 0.00 5.56 5.53 0.05 65.73 15:43:02 3 22.88 0.00 5.32 5.27 0.03 66.50 15:44:01 all 0.19 0.00 0.06 0.00 0.00 99.75 15:44:01 0 0.08 0.00 0.03 0.00 0.00 99.88 15:44:01 1 0.05 0.00 0.08 0.00 0.00 99.86 15:44:01 2 0.56 0.00 0.07 0.00 0.00 99.37 15:44:01 3 0.08 0.00 0.07 0.00 0.00 99.85 15:45:01 all 0.20 0.00 0.05 0.00 0.00 99.75 15:45:01 0 0.05 0.00 0.07 0.00 0.00 99.88 15:45:01 1 0.08 0.00 0.03 0.00 0.00 99.88 15:45:01 2 0.57 0.00 0.07 0.00 0.00 99.37 15:45:01 3 0.07 0.00 0.05 0.00 0.00 99.88 15:46:01 all 0.15 0.00 0.08 0.00 0.00 99.77 15:46:01 0 0.03 0.00 0.15 0.00 0.00 99.82 15:46:01 1 0.47 0.00 0.07 0.00 0.00 99.47 15:46:01 2 0.05 0.00 0.03 0.00 0.00 99.92 15:46:01 3 0.07 0.00 0.07 0.00 0.00 99.87 15:47:01 all 0.19 0.00 0.07 0.00 0.00 99.74 15:47:01 0 0.05 0.00 0.12 0.00 0.00 99.83 15:47:01 1 0.57 0.00 0.05 0.00 0.00 99.38 15:47:01 2 0.08 0.00 0.08 0.00 0.00 99.83 15:47:01 3 0.05 0.00 0.03 0.00 0.00 99.92 Average: all 7.82 0.00 3.08 2.62 0.02 86.46 Average: 0 7.56 0.00 3.16 2.49 0.02 86.76 Average: 1 7.94 0.00 3.09 2.70 0.02 86.25 Average: 2 8.17 0.00 2.88 2.24 0.03 86.68 Average: 3 7.63 0.00 3.17 3.04 0.02 86.14