---> uname -a: Linux 1f4b0c883b76 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 43.8G 12% / 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 43.8G 12% /etc/resolv.conf /dev/vda1 50.0G 6.2G 43.8G 12% /etc/hostname /dev/vda1 50.0G 6.2G 43.8G 12% /etc/hosts /dev/vda1 50.0G 6.2G 43.8G 12% /var/log/sa /dev/vda1 50.0G 6.2G 43.8G 12% /w/workspace/exfoundry_go-mod-messaging_PR-42 /dev/vda1 50.0G 6.2G 43.8G 12% /w/workspace/exfoundry_go-mod-messaging_PR-42@tmp ---> free -m: total used free shared buff/cache available Mem: 1838 586 64 0 1187 1147 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) 01/29/20 _x86_64_ (4 CPU) 21:40:14 LINUX RESTART 21:41:01 tps rtps wtps bread/s bwrtn/s 21:42:01 11.92 1.48 10.44 83.80 2659.97 21:43:01 3.00 0.00 3.00 0.00 96.67 21:44:01 0.45 0.00 0.45 0.00 6.68 21:45:01 0.17 0.00 0.17 0.00 1.73 21:46:01 0.25 0.00 0.25 0.00 3.36 21:47:01 0.37 0.00 0.37 0.00 4.70 21:48:01 0.23 0.00 0.23 0.00 2.96 Average: 2.34 0.21 2.13 11.97 396.63 21:41:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:42:01 112348 1769956 94.03 2620 1255156 927252 31.64 416388 1194044 12 21:43:01 121844 1760460 93.53 2620 1255164 874140 29.83 408920 1193652 8 21:44:01 120800 1761504 93.58 2620 1255172 874296 29.83 409840 1193648 8 21:45:01 121824 1760480 93.53 2620 1255172 874140 29.83 408904 1193648 8 21:46:01 120860 1761444 93.58 2620 1255180 874332 29.83 410080 1193648 8 21:47:01 121632 1760672 93.54 2620 1255184 874188 29.83 409320 1193648 12 21:48:01 125048 1757256 93.36 2620 1255188 874320 29.83 406436 1192728 8 Average: 120622 1761682 93.59 2620 1255174 881810 30.09 409984 1193574 9 21:41:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 21:42:01 eth0 25.25 20.32 22.34 21.11 0.00 0.00 0.00 21:42:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:42:01 docker0 1.12 1.07 0.21 1.43 0.00 0.00 0.00 21:43:01 eth0 0.40 0.07 0.04 0.01 0.00 0.00 0.00 21:43:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:43:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:44:01 eth0 1.05 0.55 0.55 0.21 0.00 0.00 0.00 21:44:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:44:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:45:01 eth0 0.97 0.08 0.09 0.01 0.00 0.00 0.00 21:45:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:45:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:46:01 eth0 1.10 0.75 0.61 0.46 0.00 0.00 0.00 21:46:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:46:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:47:01 eth0 1.15 0.10 0.15 0.01 0.00 0.00 0.00 21:47:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:47:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:48:01 eth0 1.02 0.70 0.54 0.37 0.00 0.00 0.00 21:48:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:48:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 4.42 3.22 3.48 3.17 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.16 0.15 0.03 0.20 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) 01/29/20 _x86_64_ (4 CPU) 21:40:14 LINUX RESTART 21:41:01 CPU %user %nice %system %iowait %steal %idle 21:42:01 all 1.54 0.00 0.69 0.03 0.00 97.74 21:42:01 0 1.42 0.00 0.74 0.07 0.00 97.78 21:42:01 1 1.92 0.00 0.68 0.03 0.00 97.36 21:42:01 2 1.80 0.00 0.68 0.00 0.00 97.51 21:42:01 3 1.04 0.00 0.67 0.00 0.00 98.30 21:43:01 all 0.18 0.00 0.06 0.00 0.00 99.75 21:43:01 0 0.05 0.00 0.07 0.00 0.00 99.88 21:43:01 1 0.55 0.00 0.05 0.00 0.00 99.40 21:43:01 2 0.05 0.00 0.05 0.00 0.00 99.90 21:43:01 3 0.10 0.00 0.10 0.00 0.00 99.80 21:44:01 all 0.19 0.00 0.06 0.00 0.00 99.75 21:44:01 0 0.03 0.00 0.03 0.00 0.00 99.93 21:44:01 1 0.58 0.00 0.03 0.00 0.00 99.38 21:44:01 2 0.08 0.00 0.10 0.00 0.02 99.80 21:44:01 3 0.03 0.00 0.05 0.00 0.00 99.92 21:45:01 all 0.19 0.00 0.05 0.00 0.00 99.76 21:45:01 0 0.05 0.00 0.07 0.00 0.00 99.88 21:45:01 1 0.05 0.00 0.05 0.00 0.00 99.90 21:45:01 2 0.10 0.00 0.05 0.00 0.00 99.85 21:45:01 3 0.55 0.00 0.03 0.00 0.00 99.42 21:46:01 all 0.17 0.00 0.05 0.00 0.00 99.78 21:46:01 0 0.03 0.00 0.03 0.00 0.00 99.93 21:46:01 1 0.07 0.00 0.10 0.00 0.02 99.82 21:46:01 2 0.03 0.00 0.07 0.00 0.00 99.90 21:46:01 3 0.53 0.00 0.03 0.00 0.00 99.43 21:47:01 all 0.18 0.00 0.04 0.00 0.00 99.79 21:47:01 0 0.05 0.00 0.05 0.00 0.00 99.90 21:47:01 1 0.07 0.00 0.03 0.00 0.00 99.90 21:47:01 2 0.03 0.00 0.02 0.00 0.00 99.95 21:47:01 3 0.57 0.00 0.03 0.00 0.00 99.40 21:48:01 all 0.18 0.00 0.04 0.00 0.00 99.78 21:48:01 0 0.05 0.00 0.02 0.00 0.00 99.93 21:48:01 1 0.08 0.00 0.07 0.00 0.00 99.85 21:48:01 2 0.03 0.00 0.02 0.00 0.00 99.95 21:48:01 3 0.55 0.00 0.05 0.00 0.02 99.38 Average: all 0.37 0.00 0.14 0.00 0.00 99.48 Average: 0 0.24 0.00 0.14 0.01 0.00 99.61 Average: 1 0.47 0.00 0.15 0.00 0.00 99.37 Average: 2 0.30 0.00 0.14 0.00 0.00 99.55 Average: 3 0.48 0.00 0.14 0.00 0.00 99.38