---> uname -a: Linux 4caad2f63b74 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 7.4G 42.6G 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 7.4G 42.6G 15% /etc/resolv.conf /dev/vda1 50.0G 7.4G 42.6G 15% /etc/hostname /dev/vda1 50.0G 7.4G 42.6G 15% /etc/hosts /dev/vda1 50.0G 7.4G 42.6G 15% /var/log/sa /dev/vda1 50.0G 7.4G 42.6G 15% /w/workspace/xfoundry_go-mod-bootstrap_master /dev/vda1 50.0G 7.4G 42.6G 15% /w/workspace/xfoundry_go-mod-bootstrap_master@tmp ---> free -m: total used free shared buff/cache available Mem: 1838 751 70 0 1015 1023 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) 02/18/20 _x86_64_ (4 CPU) 17:43:57 LINUX RESTART 17:45:01 tps rtps wtps bread/s bwrtn/s 17:46:01 8.56 0.00 8.56 0.00 1829.01 17:47:01 0.23 0.00 0.23 0.00 3.06 17:48:01 0.28 0.00 0.28 0.00 5.03 17:49:01 0.27 0.00 0.27 0.00 3.33 17:50:01 0.27 0.00 0.27 0.00 4.43 17:51:01 326.28 145.51 180.77 5964.21 57323.55 Average: 56.31 24.40 31.91 999.99 9918.26 17:45:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:46:01 121916 1760388 93.52 2620 1240016 899240 30.68 411988 1190404 20 17:47:01 121704 1760600 93.53 2620 1240028 899380 30.69 412908 1190108 12 17:48:01 119984 1762320 93.63 2620 1240032 899608 30.69 414188 1190104 12 17:49:01 122092 1760212 93.51 2620 1240032 899308 30.68 412348 1190104 20 17:50:01 121944 1760360 93.52 2620 1240040 899380 30.69 412856 1190104 8 17:51:01 91824 1790480 95.12 2620 1093372 946892 32.31 502316 1005524 53280 Average: 116577 1765727 93.81 2620 1215587 907301 30.96 427767 1159391 8892 17:45:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 17:46:01 eth0 0.70 0.08 0.05 0.03 0.00 0.00 0.00 17:46:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:46:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:47:01 eth0 1.02 0.47 0.41 0.03 0.00 0.00 0.00 17:47:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:47:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:48:01 eth0 1.43 0.82 0.81 0.55 0.00 0.00 0.00 17:48:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:48:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:49:01 eth0 0.12 0.10 0.01 0.04 0.00 0.00 0.00 17:49:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:49:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:50:01 eth0 0.23 0.20 0.08 0.07 0.00 0.00 0.00 17:50:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:51:01 eth0 302.33 255.13 6942.94 38.58 0.00 0.00 0.00 17:51:01 veth6053680 0.00 0.10 0.00 0.01 0.00 0.00 0.00 17:51:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 17:51:01 docker0 16.50 13.56 2.01 43.08 0.00 0.00 0.00 Average: eth0 51.27 43.05 1164.31 6.59 0.00 0.00 0.00 Average: veth6053680 0.00 0.02 0.00 0.00 0.00 0.00 0.00 Average: lo 0.02 0.02 0.00 0.00 0.00 0.00 0.00 Average: docker0 2.77 2.27 0.34 7.22 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) 17:43:57 LINUX RESTART 17:45:01 CPU %user %nice %system %iowait %steal %idle 17:46:01 all 0.19 0.00 0.11 0.00 0.00 99.70 17:46:01 0 0.03 0.00 0.05 0.00 0.00 99.92 17:46:01 1 0.12 0.00 0.08 0.00 0.00 99.80 17:46:01 2 0.50 0.00 0.18 0.00 0.02 99.30 17:46:01 3 0.13 0.00 0.13 0.00 0.00 99.73 17:47:01 all 0.18 0.00 0.05 0.00 0.00 99.77 17:47:01 0 0.03 0.00 0.03 0.00 0.00 99.93 17:47:01 1 0.03 0.00 0.03 0.00 0.00 99.93 17:47:01 2 0.60 0.00 0.08 0.00 0.00 99.32 17:47:01 3 0.07 0.00 0.03 0.00 0.00 99.90 17:48:01 all 0.19 0.00 0.05 0.00 0.00 99.75 17:48:01 0 0.07 0.00 0.05 0.00 0.00 99.88 17:48:01 1 0.17 0.00 0.05 0.00 0.02 99.77 17:48:01 2 0.47 0.00 0.07 0.00 0.00 99.47 17:48:01 3 0.07 0.00 0.05 0.00 0.02 99.87 17:49:01 all 0.17 0.00 0.05 0.00 0.00 99.77 17:49:01 0 0.02 0.00 0.05 0.00 0.00 99.93 17:49:01 1 0.07 0.00 0.03 0.00 0.00 99.90 17:49:01 2 0.28 0.00 0.05 0.00 0.00 99.67 17:49:01 3 0.30 0.00 0.08 0.00 0.00 99.62 17:50:01 all 0.18 0.00 0.05 0.00 0.00 99.77 17:50:01 0 0.05 0.00 0.05 0.00 0.00 99.90 17:50:01 1 0.07 0.00 0.07 0.00 0.00 99.87 17:50:01 2 0.07 0.00 0.03 0.00 0.00 99.90 17:50:01 3 0.53 0.00 0.03 0.00 0.00 99.43 17:51:01 all 15.70 0.00 9.92 3.08 0.05 71.25 17:51:01 0 15.22 0.00 9.68 2.00 0.05 73.05 17:51:01 1 16.73 0.00 9.49 3.55 0.07 70.16 17:51:01 2 14.60 0.00 10.11 2.82 0.05 72.42 17:51:01 3 16.25 0.00 10.41 3.94 0.03 69.36 Average: all 2.75 0.00 1.69 0.51 0.01 95.04 Average: 0 2.55 0.00 1.64 0.33 0.01 95.47 Average: 1 2.85 0.00 1.62 0.59 0.01 94.93 Average: 2 2.73 0.00 1.74 0.46 0.01 95.05 Average: 3 2.87 0.00 1.78 0.65 0.01 94.70