---> uname -a: Linux 047eb4d59334 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 6.2G 43.7G 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 6.2G 43.7G 13% /etc/resolv.conf /dev/vda1 50.0G 6.2G 43.7G 13% /etc/hostname /dev/vda1 50.0G 6.2G 43.7G 13% /etc/hosts /dev/vda1 50.0G 6.2G 43.7G 13% /var/log/sa /dev/vda1 50.0G 6.2G 43.7G 13% /w/workspace/exfoundry_go-mod-messaging_PR-43 /dev/vda1 50.0G 6.2G 43.7G 13% /w/workspace/exfoundry_go-mod-messaging_PR-43@tmp ---> free -m: total used free shared buff/cache available Mem: 1838 644 74 0 1119 1088 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) 04/14/20 _x86_64_ (4 CPU) 21:15:52 LINUX RESTART 21:17:01 tps rtps wtps bread/s bwrtn/s 21:18:01 3.63 0.00 3.63 0.00 108.68 21:19:01 0.25 0.00 0.25 0.00 3.60 21:20:01 0.27 0.00 0.27 0.00 4.01 21:21:01 0.62 0.00 0.62 0.00 7.06 21:22:01 0.47 0.00 0.47 0.00 7.56 Average: 1.05 0.00 1.05 0.00 26.18 21:17:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:18:01 96500 1785804 94.87 2620 1227224 907504 30.96 459532 1169392 20 21:19:01 96836 1785468 94.86 2620 1227228 898348 30.65 459368 1169104 8 21:20:01 97484 1784820 94.82 2620 1227240 898252 30.65 459028 1169104 8 21:21:01 95888 1786416 94.91 2620 1227240 898492 30.66 460220 1169104 8 21:22:01 96956 1785348 94.85 2620 1227248 898336 30.65 459548 1169104 8 Average: 96733 1785571 94.86 2620 1227236 900186 30.71 459539 1169162 10 21:17:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 21:18:01 eth0 2.58 0.92 3.12 0.09 0.00 0.00 0.00 21:18:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:18:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:19:01 eth0 0.78 0.32 0.30 0.20 0.00 0.00 0.00 21:19:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:19:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:20:01 eth0 0.77 0.08 0.06 0.01 0.00 0.00 0.00 21:20:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:21:01 eth0 0.47 0.43 0.27 0.21 0.00 0.00 0.00 21:21:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:21:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:22:01 eth0 0.20 0.17 0.08 0.07 0.00 0.00 0.00 21:22:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:22:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 0.96 0.38 0.76 0.11 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 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) 04/14/20 _x86_64_ (4 CPU) 21:15:52 LINUX RESTART 21:17:01 CPU %user %nice %system %iowait %steal %idle 21:18:01 all 0.23 0.00 0.06 0.00 0.00 99.71 21:18:01 0 0.12 0.00 0.07 0.00 0.00 99.82 21:18:01 1 0.57 0.00 0.05 0.00 0.00 99.38 21:18:01 2 0.12 0.00 0.07 0.00 0.00 99.82 21:18:01 3 0.12 0.00 0.05 0.00 0.00 99.83 21:19:01 all 0.19 0.00 0.05 0.00 0.00 99.75 21:19:01 0 0.08 0.00 0.07 0.00 0.00 99.85 21:19:01 1 0.53 0.00 0.05 0.00 0.02 99.40 21:19:01 2 0.10 0.00 0.05 0.00 0.00 99.85 21:19:01 3 0.07 0.00 0.03 0.00 0.02 99.88 21:20:01 all 0.15 0.00 0.07 0.00 0.00 99.78 21:20:01 0 0.03 0.00 0.03 0.00 0.00 99.93 21:20:01 1 0.37 0.00 0.07 0.00 0.00 99.57 21:20:01 2 0.07 0.00 0.10 0.00 0.00 99.83 21:20:01 3 0.10 0.00 0.08 0.00 0.00 99.82 21:21:01 all 0.08 0.00 0.05 0.00 0.00 99.87 21:21:01 0 0.08 0.00 0.03 0.00 0.00 99.88 21:21:01 1 0.10 0.00 0.03 0.00 0.00 99.87 21:21:01 2 0.08 0.00 0.07 0.00 0.00 99.85 21:21:01 3 0.08 0.00 0.05 0.00 0.00 99.87 21:22:01 all 0.06 0.00 0.06 0.00 0.00 99.88 21:22:01 0 0.08 0.00 0.07 0.00 0.00 99.85 21:22:01 1 0.07 0.00 0.07 0.00 0.00 99.87 21:22:01 2 0.03 0.00 0.07 0.00 0.00 99.90 21:22:01 3 0.05 0.00 0.03 0.00 0.00 99.92 Average: all 0.14 0.00 0.06 0.00 0.00 99.80 Average: 0 0.08 0.00 0.05 0.00 0.00 99.87 Average: 1 0.33 0.00 0.05 0.00 0.00 99.62 Average: 2 0.08 0.00 0.07 0.00 0.00 99.85 Average: 3 0.08 0.00 0.05 0.00 0.00 99.86