---> uname -a: Linux ea91e5d8f937 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 6.4G 43.6G 13% / 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 6.4G 43.6G 13% /etc/resolv.conf /dev/vda1 50.0G 6.4G 43.6G 13% /etc/hostname /dev/vda1 50.0G 6.4G 43.6G 13% /etc/hosts /dev/vda1 50.0G 6.4G 43.6G 13% /var/log/sa /dev/vda1 50.0G 6.4G 43.6G 13% /w/workspace/exfoundry_go-mod-messaging_PR-53 /dev/vda1 50.0G 6.4G 43.6G 13% /w/workspace/exfoundry_go-mod-messaging_PR-53@tmp ---> free -m: total used free shared buff/cache available Mem: 1838 622 69 0 1146 1112 Swap: 1023 0 1023 ---> 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 6: eth0@if7: 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) 04/16/20 _x86_64_ (4 CPU) 21:07:31 LINUX RESTART 21:08:01 tps rtps wtps bread/s bwrtn/s 21:09:01 44.19 12.17 32.02 2623.04 3344.62 21:10:01 2.08 0.00 2.08 0.00 71.84 21:11:01 0.27 0.00 0.27 0.00 3.78 21:12:01 0.33 0.00 0.33 0.00 3.35 21:13:01 0.22 0.00 0.22 0.00 2.88 21:14:01 0.35 0.00 0.35 0.00 5.10 21:15:01 112.32 70.63 41.68 4188.98 16280.59 Average: 22.83 11.83 11.00 973.53 2817.03 21:08:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:09:01 113292 1769012 93.98 2620 1202828 943364 32.19 449212 1157112 16 21:10:01 116284 1766020 93.82 2620 1202832 930456 31.75 448628 1155224 20 21:11:01 118276 1764028 93.72 2620 1202844 920128 31.39 447600 1154740 12 21:12:01 118352 1763952 93.71 2620 1202844 920128 31.39 447492 1154740 16 21:13:01 117368 1764936 93.76 2620 1202848 920308 31.40 449464 1153732 12 21:14:01 118600 1763704 93.70 2620 1202856 920128 31.39 448636 1153732 12 21:15:01 125344 1756960 93.34 2620 1159884 1001772 34.18 425300 1140296 103688 Average: 118217 1764087 93.72 2620 1196705 936612 31.96 445190 1152797 14825 21:08:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 21:09:01 eth0 309.72 172.35 708.45 71.07 0.00 0.00 0.00 21:09:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:09:01 docker0 1.22 0.97 0.25 1.87 0.00 0.00 0.00 21:10:01 eth0 3.78 1.10 3.17 0.26 0.00 0.00 0.00 21:10:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:11:01 eth0 0.18 0.08 0.01 0.01 0.00 0.00 0.00 21:11:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:11:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:12:01 eth0 0.80 0.08 0.07 0.01 0.00 0.00 0.00 21:12:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:12:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:13:01 eth0 0.63 0.40 0.35 0.24 0.00 0.00 0.00 21:13:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:13:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:14:01 eth0 0.10 0.08 0.01 0.03 0.00 0.00 0.00 21:14:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:14:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:15:01 eth0 112.52 90.13 2328.92 11.08 0.00 0.00 0.00 21:15:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:15:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 61.13 37.76 434.59 11.82 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.17 0.14 0.04 0.27 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) 04/16/20 _x86_64_ (4 CPU) 21:07:31 LINUX RESTART 21:08:01 CPU %user %nice %system %iowait %steal %idle 21:09:01 all 7.12 0.00 2.29 0.80 0.01 89.79 21:09:01 0 6.67 0.00 2.73 0.10 0.02 90.48 21:09:01 1 6.43 0.00 2.09 0.18 0.00 91.29 21:09:01 2 7.44 0.00 1.79 0.28 0.02 90.47 21:09:01 3 7.90 0.00 2.53 2.61 0.02 86.94 21:10:01 all 0.23 0.00 0.08 0.00 0.00 99.69 21:10:01 0 0.13 0.00 0.05 0.00 0.00 99.82 21:10:01 1 0.63 0.00 0.05 0.00 0.00 99.32 21:10:01 2 0.10 0.00 0.13 0.00 0.00 99.77 21:10:01 3 0.08 0.00 0.05 0.00 0.00 99.87 21:11:01 all 0.18 0.00 0.05 0.00 0.00 99.77 21:11:01 0 0.03 0.00 0.03 0.00 0.00 99.93 21:11:01 1 0.55 0.00 0.07 0.00 0.02 99.37 21:11:01 2 0.07 0.00 0.05 0.00 0.00 99.88 21:11:01 3 0.07 0.00 0.07 0.00 0.00 99.87 21:12:01 all 0.17 0.00 0.04 0.00 0.00 99.79 21:12:01 0 0.02 0.00 0.05 0.00 0.00 99.93 21:12:01 1 0.52 0.00 0.03 0.00 0.00 99.45 21:12:01 2 0.07 0.00 0.07 0.00 0.00 99.87 21:12:01 3 0.03 0.00 0.05 0.00 0.00 99.92 21:13:01 all 0.16 0.00 0.06 0.00 0.00 99.77 21:13:01 0 0.03 0.00 0.02 0.00 0.00 99.95 21:13:01 1 0.47 0.00 0.07 0.00 0.00 99.47 21:13:01 2 0.07 0.00 0.05 0.00 0.00 99.88 21:13:01 3 0.10 0.00 0.08 0.00 0.02 99.80 21:14:01 all 0.04 0.00 0.05 0.00 0.00 99.91 21:14:01 0 0.02 0.00 0.02 0.00 0.00 99.97 21:14:01 1 0.02 0.00 0.03 0.00 0.00 99.95 21:14:01 2 0.07 0.00 0.07 0.00 0.00 99.87 21:14:01 3 0.05 0.00 0.07 0.00 0.00 99.88 21:15:01 all 4.67 0.00 2.59 1.40 0.00 91.33 21:15:01 0 4.53 0.00 2.58 0.47 0.02 92.41 21:15:01 1 5.81 0.00 2.66 4.54 0.00 86.99 21:15:01 2 4.42 0.00 2.28 0.30 0.00 93.01 21:15:01 3 3.95 0.00 2.86 0.28 0.00 92.90 Average: all 1.79 0.00 0.73 0.31 0.00 97.16 Average: 0 1.63 0.00 0.78 0.08 0.00 97.51 Average: 1 2.06 0.00 0.71 0.67 0.00 96.55 Average: 2 1.74 0.00 0.63 0.08 0.00 97.54 Average: 3 1.74 0.00 0.81 0.41 0.00 97.03