---> uname -a: Linux 8204454b30b8 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 735 106 0 996 1038 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) 02/10/20 _x86_64_ (4 CPU) 18:01:05 LINUX RESTART 18:02:01 tps rtps wtps bread/s bwrtn/s 18:03:01 10.37 0.08 10.29 2.66 1759.12 18:04:01 2.78 0.00 2.78 0.00 89.04 18:05:01 0.30 0.00 0.30 0.00 4.66 18:06:01 0.32 0.00 0.32 0.00 5.16 18:07:01 0.28 0.00 0.28 0.00 5.45 18:08:01 0.40 0.00 0.40 0.00 5.75 18:09:01 13.17 3.03 10.14 376.75 7724.01 18:10:01 357.60 162.86 194.74 6300.28 55240.21 Average: 48.18 20.76 27.42 835.49 8108.81 18:02:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:03:01 117344 1764960 93.77 2620 1236016 895216 30.54 426976 1180184 8 18:04:01 116848 1765456 93.79 2620 1236024 895412 30.55 428100 1179884 16 18:05:01 116728 1765576 93.80 2620 1236032 895424 30.55 428088 1179884 8 18:06:01 116812 1765492 93.79 2620 1236032 895376 30.55 427908 1179884 16 18:07:01 117196 1765108 93.77 2620 1236040 895352 30.55 427836 1179884 12 18:08:01 117032 1765272 93.78 2620 1236044 895352 30.55 427856 1179884 12 18:09:01 68580 1813724 96.36 2620 1241996 1113488 37.99 467808 1177524 97536 18:10:01 145032 1737272 92.29 2620 1022288 1005216 34.30 629376 819852 268 Average: 114447 1767858 93.92 2620 1210059 936355 31.95 457994 1134623 12235 18:02:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 18:03:01 eth0 0.08 0.08 0.01 0.07 0.00 0.00 0.00 18:03:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:03:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:04:01 eth0 4.51 2.28 3.53 0.30 0.00 0.00 0.00 18:04:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:04:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:05:01 eth0 1.18 0.38 0.33 0.24 0.00 0.00 0.00 18:05:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:05:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:06:01 eth0 0.52 0.27 0.27 0.20 0.00 0.00 0.00 18:06:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:06:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:07:01 eth0 0.15 0.10 0.08 0.07 0.00 0.00 0.00 18:07:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:07:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:08:01 eth0 0.22 0.15 0.07 0.01 0.00 0.00 0.00 18:08:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:08:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:09:01 eth0 124.06 103.36 3465.52 10.12 0.00 0.00 0.00 18:09:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:09:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:10:01 eth0 246.28 214.25 3774.92 79.10 0.00 0.00 0.00 18:10:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:10:01 vethd87d87f 35.16 39.16 2.42 236.57 0.00 0.00 0.00 18:10:01 docker0 56.37 55.15 4.41 281.94 0.00 0.00 0.00 Average: eth0 47.15 40.13 905.90 11.27 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: vethd87d87f 4.40 4.90 0.30 29.59 0.00 0.00 0.00 Average: docker0 7.05 6.90 0.55 35.27 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) 02/10/20 _x86_64_ (4 CPU) 18:01:05 LINUX RESTART 18:02:01 CPU %user %nice %system %iowait %steal %idle 18:03:01 all 0.12 0.00 0.11 0.00 0.00 99.77 18:03:01 0 0.07 0.00 0.07 0.00 0.00 99.87 18:03:01 1 0.07 0.00 0.17 0.00 0.00 99.77 18:03:01 2 0.05 0.00 0.07 0.00 0.00 99.88 18:03:01 3 0.30 0.00 0.12 0.00 0.00 99.58 18:04:01 all 0.11 0.00 0.06 0.00 0.00 99.82 18:04:01 0 0.08 0.00 0.07 0.00 0.00 99.85 18:04:01 1 0.03 0.00 0.05 0.00 0.00 99.92 18:04:01 2 0.12 0.00 0.07 0.00 0.00 99.82 18:04:01 3 0.22 0.00 0.08 0.00 0.00 99.70 18:05:01 all 0.18 0.00 0.05 0.00 0.00 99.77 18:05:01 0 0.07 0.00 0.05 0.00 0.00 99.88 18:05:01 1 0.08 0.00 0.07 0.00 0.00 99.85 18:05:01 2 0.05 0.00 0.03 0.00 0.00 99.92 18:05:01 3 0.53 0.00 0.03 0.00 0.00 99.43 18:06:01 all 0.18 0.00 0.05 0.00 0.00 99.77 18:06:01 0 0.03 0.00 0.03 0.00 0.02 99.92 18:06:01 1 0.05 0.00 0.05 0.00 0.00 99.90 18:06:01 2 0.05 0.00 0.08 0.00 0.00 99.87 18:06:01 3 0.57 0.00 0.05 0.00 0.00 99.38 18:07:01 all 0.17 0.00 0.04 0.00 0.00 99.79 18:07:01 0 0.03 0.00 0.02 0.00 0.00 99.95 18:07:01 1 0.05 0.00 0.07 0.00 0.00 99.88 18:07:01 2 0.07 0.00 0.03 0.00 0.00 99.90 18:07:01 3 0.52 0.00 0.03 0.00 0.02 99.43 18:08:01 all 0.17 0.00 0.04 0.00 0.00 99.79 18:08:01 0 0.03 0.00 0.02 0.00 0.00 99.95 18:08:01 1 0.07 0.00 0.08 0.02 0.02 99.82 18:08:01 2 0.05 0.00 0.05 0.00 0.00 99.90 18:08:01 3 0.53 0.00 0.03 0.00 0.00 99.43 18:09:01 all 2.23 0.00 1.34 0.04 0.02 96.37 18:09:01 0 2.26 0.00 1.39 0.08 0.00 96.27 18:09:01 1 2.19 0.00 1.50 0.02 0.03 96.26 18:09:01 2 2.20 0.00 1.37 0.02 0.02 96.39 18:09:01 3 2.29 0.00 1.10 0.03 0.00 96.58 18:10:01 all 15.64 0.00 9.44 4.70 0.04 70.19 18:10:01 0 14.36 0.00 9.62 6.39 0.02 69.61 18:10:01 1 15.47 0.00 9.44 3.23 0.03 71.82 18:10:01 2 18.42 0.00 9.30 4.63 0.03 67.62 18:10:01 3 14.29 0.00 9.41 4.53 0.03 71.74 Average: all 2.32 0.00 1.37 0.58 0.01 95.71 Average: 0 2.09 0.00 1.39 0.80 0.00 95.72 Average: 1 2.23 0.00 1.41 0.40 0.01 95.95 Average: 2 2.59 0.00 1.36 0.57 0.01 95.47 Average: 3 2.38 0.00 1.34 0.56 0.01 95.72