---> uname -a: Linux c91be5958b22 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 7.5G 42.5G 15% / 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 7.5G 42.5G 15% /etc/resolv.conf /dev/vda1 50.0G 7.5G 42.5G 15% /etc/hostname /dev/vda1 50.0G 7.5G 42.5G 15% /etc/hosts /dev/vda1 50.0G 7.5G 42.5G 15% /w/workspace/xfoundry_go-mod-bootstrap_master /dev/vda1 50.0G 7.5G 42.5G 15% /w/workspace/xfoundry_go-mod-bootstrap_master@tmp /dev/vda1 50.0G 7.5G 42.5G 15% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1838 745 76 0 1016 1028 Swap: 1023 1 1022 ---> 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 16: eth0@if17: 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) 03/23/20 _x86_64_ (4 CPU) 20:32:54 LINUX RESTART 20:34:02 tps rtps wtps bread/s bwrtn/s 20:35:01 9.28 0.00 9.28 0.00 2131.78 20:36:01 0.32 0.00 0.32 0.00 3.40 20:37:01 0.65 0.00 0.65 0.00 7.23 20:38:01 0.65 0.00 0.65 0.00 8.01 20:39:01 235.01 124.09 110.92 4645.06 40612.58 20:40:01 229.59 97.02 132.57 5790.25 33625.18 Average: 79.48 36.97 42.51 1744.86 12766.76 20:34:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:35:01 124968 1757336 93.36 2620 1222392 901848 30.77 430176 1169532 16 20:36:01 125156 1757148 93.35 2620 1222396 901848 30.77 430612 1169232 8 20:37:01 123072 1759232 93.46 2620 1222404 902208 30.78 432592 1169232 16 20:38:01 125004 1757300 93.36 2620 1222408 901848 30.77 430416 1169232 12 20:39:01 173040 1709264 90.81 2620 1109164 1004520 34.27 502828 1002764 61796 20:40:01 133432 1748872 92.91 2388 1012400 1129176 38.53 621516 846784 69556 Average: 134112 1748192 92.88 2581 1168527 956908 32.65 474690 1087796 21901 20:34:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 20:35:01 eth0 0.71 0.08 0.05 0.01 0.00 0.00 0.00 20:35:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:35:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:36:01 eth0 0.32 0.08 0.03 0.01 0.00 0.00 0.00 20:36:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:36:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:37:01 eth0 1.20 0.62 0.56 0.37 0.00 0.00 0.00 20:37:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:37:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:38:01 eth0 0.12 0.10 0.01 0.04 0.00 0.00 0.00 20:38:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:38:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:39:01 eth0 294.86 247.27 6987.00 30.91 0.00 0.00 0.00 20:39:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:39:01 docker0 17.14 13.63 1.95 42.38 0.00 0.00 0.00 20:40:01 eth0 212.83 174.89 2631.47 79.30 0.00 0.00 0.00 20:40:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:40:01 docker0 31.87 33.75 2.01 250.14 0.00 0.00 0.00 Average: eth0 85.28 70.74 1608.47 18.50 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 8.19 7.92 0.66 48.91 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) 03/23/20 _x86_64_ (4 CPU) 20:32:54 LINUX RESTART 20:34:02 CPU %user %nice %system %iowait %steal %idle 20:35:01 all 0.21 0.00 0.12 0.00 0.00 99.67 20:35:01 0 0.53 0.00 0.03 0.00 0.00 99.44 20:35:01 1 0.12 0.00 0.17 0.00 0.00 99.71 20:35:01 2 0.10 0.00 0.10 0.00 0.00 99.80 20:35:01 3 0.12 0.00 0.17 0.00 0.00 99.71 20:36:01 all 0.19 0.00 0.05 0.00 0.00 99.76 20:36:01 0 0.52 0.00 0.07 0.00 0.00 99.42 20:36:01 1 0.10 0.00 0.05 0.00 0.00 99.85 20:36:01 2 0.05 0.00 0.05 0.00 0.00 99.90 20:36:01 3 0.07 0.00 0.07 0.00 0.00 99.87 20:37:01 all 0.19 0.00 0.05 0.00 0.00 99.75 20:37:01 0 0.08 0.00 0.07 0.00 0.00 99.85 20:37:01 1 0.08 0.00 0.05 0.00 0.02 99.85 20:37:01 2 0.10 0.00 0.07 0.00 0.00 99.83 20:37:01 3 0.52 0.00 0.03 0.00 0.02 99.43 20:38:01 all 0.19 0.00 0.07 0.00 0.00 99.74 20:38:01 0 0.05 0.00 0.08 0.00 0.00 99.87 20:38:01 1 0.07 0.00 0.05 0.00 0.00 99.88 20:38:01 2 0.08 0.00 0.07 0.00 0.00 99.85 20:38:01 3 0.57 0.00 0.03 0.00 0.00 99.40 20:39:01 all 10.44 0.00 6.68 2.57 0.03 80.28 20:39:01 0 9.78 0.00 6.74 1.84 0.02 81.62 20:39:01 1 11.09 0.00 7.03 3.07 0.03 78.78 20:39:01 2 10.47 0.00 6.52 1.44 0.03 81.55 20:39:01 3 10.41 0.00 6.42 3.96 0.03 79.18 20:40:01 all 12.47 0.00 8.17 2.69 0.03 76.64 20:40:01 0 13.79 0.00 8.46 1.49 0.03 76.23 20:40:01 1 13.41 0.00 8.24 4.30 0.03 74.02 20:40:01 2 12.35 0.00 8.28 1.51 0.03 77.83 20:40:01 3 10.32 0.00 7.70 3.49 0.03 78.46 Average: all 3.92 0.00 2.50 0.87 0.01 92.69 Average: 0 4.10 0.00 2.56 0.55 0.01 92.78 Average: 1 4.12 0.00 2.58 1.22 0.01 92.06 Average: 2 3.83 0.00 2.50 0.49 0.01 93.17 Average: 3 3.64 0.00 2.38 1.23 0.01 92.74