---> uname -a: Linux b4fcb1e6c422 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 6.4G 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-bootstrap_PR-68 /dev/vda1 50.0G 6.4G 43.6G 13% /w/workspace/exfoundry_go-mod-bootstrap_PR-68@tmp ---> free -m: total used free shared buff/cache available Mem: 1838 598 77 0 1162 1136 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) 08:08:01 LINUX RESTART 08:09:01 tps rtps wtps bread/s bwrtn/s 08:10:01 10.99 0.00 10.99 0.00 2104.45 08:11:01 0.22 0.00 0.22 0.00 2.83 08:12:01 0.27 0.00 0.27 0.00 4.16 08:13:01 0.33 0.00 0.33 0.00 3.35 Average: 2.95 0.00 2.95 0.00 528.72 08:09:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:10:01 124200 1758104 93.40 2620 1229552 897824 30.63 421608 1174104 8 08:11:01 123368 1758936 93.45 2620 1229556 892904 30.47 423528 1172612 20 08:12:01 123360 1758944 93.45 2620 1229568 892952 30.47 423932 1172612 8 08:13:01 124400 1757904 93.39 2620 1229568 892760 30.46 422760 1172612 8 Average: 123832 1758472 93.42 2620 1229561 894110 30.51 422957 1172985 11 08:09:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 08:10:01 eth0 2.75 0.63 2.67 0.07 0.00 0.00 0.00 08:10:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:11:01 eth0 1.13 0.37 0.33 0.17 0.00 0.00 0.00 08:11:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:11:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:12:01 eth0 0.70 0.35 0.29 0.23 0.00 0.00 0.00 08:12:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:12:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:13:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 08:13:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:13:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 1.17 0.36 0.82 0.12 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) 04/16/20 _x86_64_ (4 CPU) 08:08:01 LINUX RESTART 08:09:01 CPU %user %nice %system %iowait %steal %idle 08:10:01 all 0.10 0.00 0.11 0.00 0.00 99.80 08:10:01 0 0.15 0.00 0.05 0.00 0.00 99.80 08:10:01 1 0.08 0.00 0.10 0.00 0.00 99.82 08:10:01 2 0.08 0.00 0.18 0.00 0.00 99.73 08:10:01 3 0.07 0.00 0.07 0.00 0.00 99.87 08:11:01 all 0.11 0.00 0.03 0.00 0.00 99.86 08:11:01 0 0.03 0.00 0.02 0.00 0.00 99.95 08:11:01 1 0.20 0.00 0.05 0.00 0.00 99.75 08:11:01 2 0.08 0.00 0.03 0.00 0.00 99.88 08:11:01 3 0.12 0.00 0.03 0.00 0.02 99.83 08:12:01 all 0.18 0.00 0.05 0.00 0.00 99.76 08:12:01 0 0.03 0.00 0.03 0.00 0.00 99.93 08:12:01 1 0.57 0.00 0.05 0.00 0.00 99.38 08:12:01 2 0.07 0.00 0.10 0.00 0.00 99.83 08:12:01 3 0.07 0.00 0.05 0.00 0.00 99.88 08:13:01 all 0.18 0.00 0.03 0.00 0.00 99.79 08:13:01 0 0.02 0.00 0.02 0.00 0.02 99.95 08:13:01 1 0.53 0.00 0.02 0.00 0.00 99.45 08:13:01 2 0.07 0.00 0.03 0.00 0.00 99.90 08:13:01 3 0.08 0.00 0.05 0.00 0.00 99.87 Average: all 0.14 0.00 0.06 0.00 0.00 99.80 Average: 0 0.06 0.00 0.03 0.00 0.00 99.91 Average: 1 0.35 0.00 0.05 0.00 0.00 99.60 Average: 2 0.08 0.00 0.09 0.00 0.00 99.84 Average: 3 0.08 0.00 0.05 0.00 0.00 99.86