---> uname -a: Linux 0e1bb95545eb 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: 2933.442 BogoMIPS: 5866.88 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% /var/log/sa /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 ---> free -m: total used free shared buff/cache available Mem: 1838 750 66 0 1021 1021 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 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) 06/01/20 _x86_64_ (4 CPU) 21:29:36 LINUX RESTART 21:30:01 tps rtps wtps bread/s bwrtn/s 21:31:01 64.61 24.40 40.21 3995.74 3759.89 21:32:01 3.51 0.00 3.51 0.00 109.88 21:33:01 0.27 0.00 0.27 0.00 4.01 21:34:01 0.25 0.00 0.25 0.00 2.56 21:35:01 0.27 0.00 0.27 0.00 3.73 21:36:01 339.82 151.72 188.09 5990.32 58163.23 Average: 68.31 29.44 38.87 1667.63 10373.73 21:30:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:31:01 101236 1781068 94.62 2620 1202684 933804 31.86 462512 1153376 16 21:32:01 109252 1773052 94.20 2620 1202900 907432 30.96 458340 1152660 16 21:33:01 109404 1772900 94.19 2620 1202912 895116 30.54 458336 1152448 8 21:34:01 110856 1771448 94.11 2620 1202972 894936 30.53 458412 1151456 36 21:35:01 109600 1772704 94.18 2620 1202940 895468 30.55 459576 1151456 40 21:36:01 103016 1779288 94.53 2588 1055968 989880 33.77 573848 927252 85680 Average: 107227 1775077 94.30 2615 1178396 919439 31.37 478504 1114775 14299 21:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 21:31:01 eth0 389.95 243.66 1027.32 89.86 0.00 0.00 0.00 21:31:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:31:01 docker0 1.43 1.26 0.33 2.64 0.00 0.00 0.00 21:32:01 eth0 3.93 1.48 2.85 0.11 0.00 0.00 0.00 21:32:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:32:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:33:01 eth0 1.27 0.75 0.56 0.38 0.00 0.00 0.00 21:33:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:33:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:34:01 eth0 0.08 0.08 0.01 0.04 0.00 0.00 0.00 21:34:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:34:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:35:01 eth0 0.40 0.30 0.24 0.09 0.00 0.00 0.00 21:35:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:35:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:36:01 eth0 330.65 266.73 7139.13 40.08 0.00 0.00 0.00 21:36:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:36:01 vethf56d5db 20.07 22.89 1.35 143.28 0.00 0.00 0.00 21:36:01 docker0 38.59 43.42 3.20 189.89 0.00 0.00 0.00 Average: eth0 121.22 85.64 1365.74 21.78 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: vethf56d5db 3.36 3.83 0.23 23.96 0.00 0.00 0.00 Average: docker0 6.45 7.26 0.54 31.76 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) 06/01/20 _x86_64_ (4 CPU) 21:29:36 LINUX RESTART 21:30:01 CPU %user %nice %system %iowait %steal %idle 21:31:01 all 12.63 0.00 4.34 1.29 0.03 81.71 21:31:01 0 11.94 0.00 5.79 2.00 0.03 80.23 21:31:01 1 11.17 0.00 3.77 0.62 0.03 84.41 21:31:01 2 11.39 0.00 4.49 2.22 0.02 81.89 21:31:01 3 16.02 0.00 3.32 0.32 0.00 80.35 21:32:01 all 0.21 0.00 0.05 0.00 0.00 99.73 21:32:01 0 0.07 0.00 0.07 0.00 0.00 99.87 21:32:01 1 0.58 0.00 0.05 0.00 0.02 99.35 21:32:01 2 0.12 0.00 0.07 0.00 0.00 99.82 21:32:01 3 0.07 0.00 0.05 0.00 0.02 99.87 21:33:01 all 0.15 0.00 0.05 0.00 0.00 99.80 21:33:01 0 0.13 0.00 0.07 0.00 0.00 99.80 21:33:01 1 0.32 0.00 0.07 0.00 0.00 99.62 21:33:01 2 0.07 0.00 0.03 0.00 0.00 99.90 21:33:01 3 0.08 0.00 0.03 0.00 0.00 99.88 21:34:01 all 0.18 0.00 0.07 0.00 0.00 99.75 21:34:01 0 0.52 0.00 0.05 0.00 0.02 99.42 21:34:01 1 0.03 0.00 0.10 0.00 0.00 99.87 21:34:01 2 0.05 0.00 0.05 0.00 0.02 99.88 21:34:01 3 0.10 0.00 0.07 0.00 0.00 99.83 21:35:01 all 0.25 0.00 0.05 0.00 0.00 99.70 21:35:01 0 0.53 0.00 0.03 0.00 0.00 99.43 21:35:01 1 0.28 0.00 0.05 0.00 0.00 99.67 21:35:01 2 0.12 0.00 0.07 0.00 0.00 99.82 21:35:01 3 0.08 0.00 0.05 0.00 0.00 99.87 21:36:01 all 15.61 0.00 10.24 2.69 0.05 71.41 21:36:01 0 15.37 0.00 10.49 4.24 0.03 69.88 21:36:01 1 15.73 0.00 9.48 1.90 0.03 72.84 21:36:01 2 15.78 0.00 11.21 2.75 0.07 70.19 21:36:01 3 15.56 0.00 9.78 1.84 0.05 72.77 Average: all 4.81 0.00 2.45 0.66 0.01 92.07 Average: 0 4.73 0.00 2.73 1.03 0.01 91.50 Average: 1 4.66 0.00 2.24 0.42 0.01 92.67 Average: 2 4.56 0.00 2.63 0.82 0.02 91.97 Average: 3 5.28 0.00 2.20 0.36 0.01 92.16