---> uname -a: Linux b1e95ca19b22 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 6.3G 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 6.3G 43.7G 13% /etc/resolv.conf /dev/vda1 50.0G 6.3G 43.7G 13% /etc/hostname /dev/vda1 50.0G 6.3G 43.7G 13% /etc/hosts /dev/vda1 50.0G 6.3G 43.7G 13% /w/workspace/exfoundry_go-mod-messaging_PR-51@tmp /dev/vda1 50.0G 6.3G 43.7G 13% /var/log/sa /dev/vda1 50.0G 6.3G 43.7G 13% /w/workspace/exfoundry_go-mod-messaging_PR-51 ---> free -m: total used free shared buff/cache available Mem: 1838 597 75 0 1165 1135 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) 03:30:00 LINUX RESTART 03:31:02 tps rtps wtps bread/s bwrtn/s 03:32:01 9.36 0.00 9.36 0.00 1918.35 03:33:01 0.72 0.00 0.72 0.00 9.28 03:34:01 0.70 0.00 0.70 0.00 8.59 03:35:01 0.48 0.00 0.48 0.00 5.96 03:36:01 14.92 14.15 0.77 1673.53 9.46 Average: 5.22 2.84 2.38 335.88 385.29 03:31:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:32:01 105524 1776780 94.39 2620 1248716 906944 30.94 432172 1186320 16 03:33:01 105572 1776732 94.39 2620 1248784 892740 30.46 432432 1185976 16 03:34:01 105512 1776792 94.39 2620 1248732 892824 30.46 432548 1185964 8 03:35:01 107120 1775184 94.31 2620 1248732 892620 30.46 431300 1185964 8 03:36:01 90668 1791636 95.18 2620 1250776 920416 31.40 443640 1190128 68 Average: 102879 1779425 94.53 2620 1249148 901109 30.75 434418 1186870 23 03:31:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 03:32:01 eth0 2.12 0.73 1.08 0.07 0.00 0.00 0.00 03:32:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:32:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:33:01 eth0 2.40 0.92 0.89 0.56 0.00 0.00 0.00 03:33:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:33:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:34:01 eth0 0.55 0.37 0.27 0.24 0.00 0.00 0.00 03:34:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:34:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:35:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 03:35:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:35:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:36:01 eth0 4.50 2.48 3.79 1.29 0.00 0.00 0.00 03:36:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:36:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 1.93 0.92 1.21 0.44 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) 03:30:00 LINUX RESTART 03:31:02 CPU %user %nice %system %iowait %steal %idle 03:32:01 all 0.25 0.00 0.13 0.00 0.00 99.62 03:32:01 0 0.56 0.00 0.12 0.00 0.02 99.30 03:32:01 1 0.14 0.00 0.07 0.00 0.00 99.80 03:32:01 2 0.19 0.00 0.12 0.00 0.00 99.69 03:32:01 3 0.08 0.00 0.15 0.00 0.00 99.76 03:33:01 all 0.22 0.00 0.05 0.00 0.00 99.74 03:33:01 0 0.53 0.00 0.03 0.00 0.00 99.43 03:33:01 1 0.10 0.00 0.03 0.00 0.00 99.87 03:33:01 2 0.13 0.00 0.07 0.00 0.00 99.80 03:33:01 3 0.10 0.00 0.05 0.00 0.02 99.83 03:34:01 all 0.07 0.00 0.06 0.00 0.00 99.87 03:34:01 0 0.13 0.00 0.08 0.00 0.00 99.78 03:34:01 1 0.03 0.00 0.03 0.00 0.00 99.93 03:34:01 2 0.08 0.00 0.08 0.00 0.00 99.83 03:34:01 3 0.05 0.00 0.03 0.00 0.00 99.92 03:35:01 all 0.13 0.00 0.05 0.00 0.00 99.83 03:35:01 0 0.08 0.00 0.08 0.00 0.00 99.83 03:35:01 1 0.03 0.00 0.05 0.00 0.00 99.92 03:35:01 2 0.07 0.00 0.03 0.00 0.00 99.90 03:35:01 3 0.32 0.00 0.05 0.00 0.00 99.63 03:36:01 all 0.39 0.00 0.15 0.28 0.00 99.17 03:36:01 0 0.32 0.00 0.12 0.08 0.00 99.48 03:36:01 1 0.27 0.00 0.17 0.57 0.00 99.00 03:36:01 2 0.17 0.00 0.13 0.12 0.00 99.58 03:36:01 3 0.78 0.00 0.17 0.37 0.00 98.68 Average: all 0.21 0.00 0.09 0.06 0.00 99.65 Average: 0 0.32 0.00 0.09 0.02 0.00 99.57 Average: 1 0.11 0.00 0.07 0.11 0.00 99.70 Average: 2 0.13 0.00 0.09 0.02 0.00 99.76 Average: 3 0.27 0.00 0.09 0.07 0.00 99.56