---> uname -a: Linux d4a560a65c70 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 6.3G 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-bootstrap_PR-59 /dev/vda1 50.0G 6.3G 43.7G 13% /w/workspace/exfoundry_go-mod-bootstrap_PR-59@tmp /dev/vda1 50.0G 6.3G 43.7G 13% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1838 614 65 0 1158 1118 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) 03/21/20 _x86_64_ (4 CPU) 00:19:11 LINUX RESTART 00:20:01 tps rtps wtps bread/s bwrtn/s 00:21:01 10.46 0.08 10.37 2.66 2103.40 00:22:01 2.81 0.00 2.81 0.00 94.57 00:23:01 0.60 0.00 0.60 0.00 6.84 00:24:01 0.62 0.00 0.62 0.00 7.66 Average: 3.62 0.02 3.60 0.67 553.22 00:20:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:21:01 105616 1776688 94.39 2620 1230280 932212 31.81 444120 1174584 20 00:22:01 107460 1774844 94.29 2620 1230284 913780 31.18 442984 1174284 8 00:23:01 106712 1775592 94.33 2620 1230292 913912 31.18 443764 1174284 8 00:24:01 107860 1774444 94.27 2620 1230292 913708 31.18 442660 1174284 8 Average: 106912 1775392 94.32 2620 1230287 918403 31.34 443382 1174359 11 00:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 00:21:01 eth0 0.50 0.25 0.03 0.08 0.00 0.00 0.00 00:21:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:21:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:22:01 eth0 4.23 1.97 3.22 0.13 0.00 0.00 0.00 00:22:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:22:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:23:01 eth0 0.43 0.42 0.27 0.21 0.00 0.00 0.00 00:23:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:23:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:24:01 eth0 0.03 0.02 0.00 0.00 0.00 0.00 0.00 00:24:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:24:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 1.30 0.66 0.88 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) 03/21/20 _x86_64_ (4 CPU) 00:19:11 LINUX RESTART 00:20:01 CPU %user %nice %system %iowait %steal %idle 00:21:01 all 0.21 0.00 0.18 0.00 0.00 99.61 00:21:01 0 0.08 0.00 0.10 0.00 0.02 99.80 00:21:01 1 0.08 0.00 0.38 0.00 0.02 99.52 00:21:01 2 0.12 0.00 0.12 0.00 0.00 99.77 00:21:01 3 0.55 0.00 0.13 0.00 0.00 99.32 00:22:01 all 0.20 0.00 0.06 0.00 0.00 99.74 00:22:01 0 0.08 0.00 0.05 0.00 0.00 99.87 00:22:01 1 0.12 0.00 0.05 0.00 0.00 99.83 00:22:01 2 0.55 0.00 0.08 0.00 0.00 99.37 00:22:01 3 0.07 0.00 0.05 0.00 0.00 99.88 00:23:01 all 0.08 0.00 0.06 0.00 0.00 99.85 00:23:01 0 0.07 0.00 0.03 0.00 0.00 99.90 00:23:01 1 0.08 0.00 0.08 0.00 0.00 99.83 00:23:01 2 0.12 0.00 0.10 0.00 0.00 99.78 00:23:01 3 0.05 0.00 0.05 0.00 0.00 99.90 00:24:01 all 0.05 0.00 0.05 0.00 0.00 99.90 00:24:01 0 0.05 0.00 0.03 0.00 0.00 99.92 00:24:01 1 0.07 0.00 0.05 0.00 0.00 99.88 00:24:01 2 0.07 0.00 0.05 0.00 0.00 99.88 00:24:01 3 0.03 0.00 0.02 0.00 0.00 99.95 Average: all 0.14 0.00 0.09 0.00 0.00 99.77 Average: 0 0.07 0.00 0.05 0.00 0.00 99.87 Average: 1 0.09 0.00 0.14 0.00 0.00 99.77 Average: 2 0.21 0.00 0.09 0.00 0.00 99.70 Average: 3 0.17 0.00 0.06 0.00 0.00 99.76