---> uname -a: Linux f961995cd9d0 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% /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 737 83 0 1017 1035 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) 04/21/20 _x86_64_ (4 CPU) 17:08:09 LINUX RESTART 17:09:01 tps rtps wtps bread/s bwrtn/s 17:10:01 10.96 1.55 9.41 71.29 2137.64 17:11:01 2.53 0.00 2.53 0.00 86.88 17:12:01 0.37 0.00 0.37 0.00 4.93 17:13:01 0.30 0.00 0.30 0.00 3.75 17:14:01 255.12 121.82 133.30 4673.29 46996.50 17:15:01 218.69 82.79 135.91 5588.41 32852.67 Average: 81.49 34.44 47.05 1725.06 13711.18 17:09:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:10:01 103172 1779132 94.52 2620 1235708 950452 32.43 442936 1171576 20 17:11:01 109404 1772900 94.19 2620 1235712 909904 31.05 438720 1170388 16 17:12:01 109128 1773176 94.20 2620 1235724 909988 31.05 439148 1170396 8 17:13:01 110632 1771672 94.12 2620 1235724 909700 31.04 437600 1170388 12 17:14:01 74180 1808124 96.06 2620 1155316 1119656 38.20 549428 1024608 72048 17:15:01 128428 1753876 93.18 2396 1039720 1001604 34.17 572232 891952 54320 Average: 105824 1776480 94.38 2583 1189651 966884 32.99 480011 1099885 21071 17:09:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 17:10:01 eth0 6.73 5.00 4.81 8.57 0.00 0.00 0.00 17:10:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:10:01 docker0 0.00 0.02 0.00 0.00 0.00 0.00 0.00 17:11:01 eth0 2.85 1.02 1.73 0.25 0.00 0.00 0.00 17:11:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:11:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:12:01 eth0 0.42 0.33 0.26 0.20 0.00 0.00 0.00 17:12:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:12:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:13:01 eth0 0.03 0.02 0.00 0.00 0.00 0.00 0.00 17:13:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:13:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:14:01 eth0 268.59 224.98 6694.73 29.38 0.00 0.00 0.00 17:14:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:14:01 docker0 18.27 14.08 2.08 42.87 0.00 0.00 0.00 17:15:01 eth0 228.30 184.67 2640.85 84.25 0.00 0.00 0.00 17:15:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:15:01 vethd2b623d 0.00 0.10 0.00 0.01 0.00 0.00 0.00 17:15:01 docker0 71.87 75.26 5.79 298.88 0.00 0.00 0.00 Average: eth0 84.66 69.48 1561.67 20.45 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: vethd2b623d 0.00 0.02 0.00 0.00 0.00 0.00 0.00 Average: docker0 11.97 12.54 0.96 49.79 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) 04/21/20 _x86_64_ (4 CPU) 17:08:09 LINUX RESTART 17:09:01 CPU %user %nice %system %iowait %steal %idle 17:10:01 all 0.50 0.00 0.12 0.00 0.00 99.37 17:10:01 0 0.40 0.00 0.12 0.00 0.00 99.48 17:10:01 1 0.70 0.00 0.17 0.00 0.02 99.12 17:10:01 2 0.55 0.00 0.10 0.00 0.00 99.35 17:10:01 3 0.37 0.00 0.10 0.00 0.00 99.53 17:11:01 all 0.15 0.00 0.08 0.00 0.01 99.75 17:11:01 0 0.08 0.00 0.05 0.00 0.00 99.87 17:11:01 1 0.13 0.00 0.12 0.00 0.02 99.73 17:11:01 2 0.30 0.00 0.12 0.00 0.00 99.58 17:11:01 3 0.07 0.00 0.05 0.00 0.00 99.88 17:12:01 all 0.07 0.00 0.04 0.00 0.00 99.89 17:12:01 0 0.05 0.00 0.03 0.00 0.00 99.92 17:12:01 1 0.08 0.00 0.05 0.00 0.00 99.87 17:12:01 2 0.05 0.00 0.03 0.00 0.00 99.92 17:12:01 3 0.08 0.00 0.05 0.00 0.00 99.87 17:13:01 all 0.16 0.00 0.03 0.00 0.00 99.81 17:13:01 0 0.35 0.00 0.03 0.00 0.00 99.62 17:13:01 1 0.03 0.00 0.02 0.00 0.00 99.95 17:13:01 2 0.22 0.00 0.02 0.00 0.00 99.77 17:13:01 3 0.07 0.00 0.05 0.00 0.02 99.87 17:14:01 all 12.35 0.00 6.54 3.13 0.03 77.95 17:14:01 0 12.38 0.00 6.53 3.44 0.03 77.61 17:14:01 1 12.81 0.00 6.41 2.38 0.02 78.38 17:14:01 2 11.99 0.00 5.86 2.27 0.05 79.84 17:14:01 3 12.22 0.00 7.35 4.44 0.02 75.98 17:15:01 all 11.10 0.00 5.92 4.34 0.03 78.61 17:15:01 0 15.07 0.00 6.20 7.91 0.02 70.80 17:15:01 1 9.92 0.00 5.47 1.72 0.02 82.88 17:15:01 2 9.73 0.00 5.89 3.99 0.03 80.36 17:15:01 3 9.70 0.00 6.08 3.77 0.03 80.42 Average: all 4.03 0.00 2.11 1.24 0.01 92.61 Average: 0 4.70 0.00 2.15 1.88 0.01 91.26 Average: 1 3.93 0.00 2.03 0.68 0.01 93.35 Average: 2 3.78 0.00 1.99 1.03 0.01 93.18 Average: 3 3.73 0.00 2.26 1.36 0.01 92.64