---> uname -a: Linux 348da91d45a5 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: 2933.396 BogoMIPS: 5866.79 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/exfoundry_go-mod-bootstrap_PR-51 /dev/vda1 50.0G 6.3G 43.7G 13% /w/workspace/exfoundry_go-mod-bootstrap_PR-51@tmp /dev/vda1 50.0G 6.3G 43.7G 13% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1838 574 64 0 1198 1160 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) 02/18/20 _x86_64_ (4 CPU) 09:17:21 LINUX RESTART 09:18:01 tps rtps wtps bread/s bwrtn/s 09:19:01 20.77 6.09 14.67 1761.47 2143.70 09:20:01 2.15 0.00 2.15 0.00 72.90 09:21:01 0.27 0.00 0.27 0.00 3.78 09:22:01 0.30 0.00 0.30 0.00 3.16 09:23:01 0.27 0.00 0.27 0.00 4.05 09:24:01 0.38 0.00 0.38 0.00 4.98 09:25:01 0.23 0.00 0.23 0.00 3.00 Average: 3.48 0.87 2.61 251.69 319.43 09:18:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:19:01 117656 1764648 93.75 2620 1251176 949196 32.39 411264 1194380 20 09:20:01 132128 1750176 92.98 2620 1251180 904452 30.86 397988 1194008 8 09:21:01 131416 1750888 93.02 2620 1251192 904888 30.87 399052 1193980 8 09:22:01 132396 1749908 92.97 2620 1251192 904708 30.87 398488 1193972 8 09:23:01 131116 1751188 93.03 2620 1251200 904876 30.87 402960 1191000 8 09:24:01 131596 1750708 93.01 2620 1251204 904756 30.87 402336 1191000 12 09:25:01 131620 1750684 93.01 2620 1251208 904708 30.87 402096 1191000 8 Average: 129704 1752600 93.11 2620 1251193 911083 31.09 402026 1192763 10 09:18:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 09:19:01 eth0 199.45 160.45 429.15 40.83 0.00 0.00 0.00 09:19:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:19:01 docker0 1.30 1.20 0.25 1.90 0.00 0.00 0.00 09:20:01 eth0 0.38 0.07 0.03 0.01 0.00 0.00 0.00 09:20:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:21:01 eth0 0.87 0.47 0.29 0.21 0.00 0.00 0.00 09:21:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:21:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:22:01 eth0 0.62 0.08 0.06 0.01 0.00 0.00 0.00 09:22:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:22:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:23:01 eth0 0.53 0.42 0.34 0.27 0.00 0.00 0.00 09:23:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:23:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:24:01 eth0 0.20 0.17 0.07 0.01 0.00 0.00 0.00 09:24:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:24:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:25:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 09:25:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:25:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 28.88 23.11 61.43 5.91 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.19 0.17 0.04 0.27 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) 02/18/20 _x86_64_ (4 CPU) 09:17:21 LINUX RESTART 09:18:01 CPU %user %nice %system %iowait %steal %idle 09:19:01 all 2.72 0.00 1.22 0.09 0.00 95.97 09:19:01 0 2.54 0.00 1.31 0.03 0.00 96.12 09:19:01 1 2.54 0.00 1.12 0.08 0.00 96.26 09:19:01 2 2.91 0.00 1.25 0.13 0.02 95.68 09:19:01 3 2.89 0.00 1.19 0.10 0.00 95.82 09:20:01 all 0.16 0.00 0.04 0.00 0.00 99.80 09:20:01 0 0.03 0.00 0.02 0.00 0.00 99.95 09:20:01 1 0.08 0.00 0.05 0.00 0.00 99.87 09:20:01 2 0.48 0.00 0.05 0.00 0.00 99.47 09:20:01 3 0.07 0.00 0.05 0.00 0.00 99.88 09:21:01 all 0.18 0.00 0.04 0.00 0.00 99.78 09:21:01 0 0.00 0.00 0.03 0.00 0.00 99.97 09:21:01 1 0.05 0.00 0.05 0.00 0.00 99.90 09:21:01 2 0.60 0.00 0.03 0.00 0.00 99.37 09:21:01 3 0.05 0.00 0.05 0.00 0.00 99.90 09:22:01 all 0.17 0.00 0.05 0.00 0.00 99.78 09:22:01 0 0.05 0.00 0.03 0.00 0.00 99.92 09:22:01 1 0.23 0.00 0.05 0.00 0.00 99.72 09:22:01 2 0.35 0.00 0.03 0.00 0.00 99.62 09:22:01 3 0.05 0.00 0.07 0.00 0.00 99.88 09:23:01 all 0.18 0.00 0.04 0.00 0.00 99.78 09:23:01 0 0.03 0.00 0.02 0.00 0.00 99.95 09:23:01 1 0.53 0.00 0.02 0.00 0.00 99.45 09:23:01 2 0.03 0.00 0.03 0.00 0.00 99.93 09:23:01 3 0.10 0.00 0.05 0.00 0.00 99.85 09:24:01 all 0.16 0.00 0.03 0.00 0.00 99.80 09:24:01 0 0.02 0.00 0.02 0.00 0.00 99.97 09:24:01 1 0.55 0.00 0.03 0.00 0.00 99.42 09:24:01 2 0.05 0.00 0.03 0.00 0.00 99.92 09:24:01 3 0.03 0.00 0.07 0.00 0.00 99.90 09:25:01 all 0.17 0.00 0.03 0.00 0.00 99.80 09:25:01 0 0.05 0.00 0.03 0.00 0.00 99.92 09:25:01 1 0.52 0.00 0.03 0.00 0.00 99.45 09:25:01 2 0.05 0.00 0.03 0.00 0.00 99.92 09:25:01 3 0.07 0.00 0.03 0.00 0.00 99.90 Average: all 0.53 0.00 0.21 0.01 0.00 99.25 Average: 0 0.39 0.00 0.21 0.00 0.00 99.40 Average: 1 0.64 0.00 0.19 0.01 0.00 99.15 Average: 2 0.64 0.00 0.21 0.02 0.00 99.13 Average: 3 0.46 0.00 0.21 0.01 0.00 99.31