---> uname -a: Linux 218e848dc9fe 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% /var/log/sa /dev/vda1 50.0G 6.3G 43.7G 13% /w/workspace/exfoundry_go-mod-bootstrap_PR-34 /dev/vda1 50.0G 6.3G 43.7G 13% /w/workspace/exfoundry_go-mod-bootstrap_PR-34@tmp ---> free -m: total used free shared buff/cache available Mem: 1838 608 71 0 1158 1125 Swap: 1023 1 1022 ---> 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) 23:16:35 LINUX RESTART 23:17:01 tps rtps wtps bread/s bwrtn/s 23:18:01 56.24 17.84 38.40 3234.62 3612.90 23:19:01 3.80 0.00 3.80 0.00 112.47 23:20:01 0.73 0.00 0.73 0.00 9.28 23:21:01 0.48 0.00 0.48 0.00 4.53 23:22:01 0.25 0.00 0.25 0.00 3.06 23:23:01 0.45 0.00 0.45 0.00 7.65 Average: 10.33 2.98 7.36 539.40 625.32 23:17:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:18:01 112424 1769880 94.03 2620 1227764 925968 31.59 413072 1196520 16 23:19:01 120956 1761348 93.57 2620 1227796 895472 30.55 410968 1193244 8 23:20:01 118388 1763916 93.71 2620 1227804 895764 30.56 413300 1193232 8 23:21:01 118520 1763784 93.70 2620 1227804 895716 30.56 413828 1192580 8 23:22:01 119984 1762320 93.63 2620 1227812 895536 30.56 414964 1190544 20 23:23:01 119384 1762920 93.66 2620 1227816 895632 30.56 415300 1190544 12 Average: 118276 1764028 93.72 2620 1227799 900681 30.73 413572 1192777 12 23:17:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 23:18:01 eth0 376.48 250.83 965.62 85.02 0.00 0.00 0.00 23:18:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:18:01 docker0 0.93 0.92 0.17 1.16 0.00 0.00 0.00 23:19:01 eth0 0.82 0.12 0.07 0.05 0.00 0.00 0.00 23:19:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:19:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:20:01 eth0 0.85 0.47 0.30 0.21 0.00 0.00 0.00 23:20:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:21:01 eth0 0.55 0.32 0.27 0.20 0.00 0.00 0.00 23:21:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:21:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:22:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 23:22:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:22:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:23:01 eth0 0.33 0.18 0.14 0.07 0.00 0.00 0.00 23:23:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:23:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 63.22 42.02 161.16 14.27 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 0.19 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) 23:16:35 LINUX RESTART 23:17:01 CPU %user %nice %system %iowait %steal %idle 23:18:01 all 11.64 0.00 3.54 1.28 0.01 83.54 23:18:01 0 10.11 0.00 4.01 0.17 0.02 85.69 23:18:01 1 10.97 0.00 3.91 4.15 0.02 80.95 23:18:01 2 13.02 0.00 2.70 0.52 0.00 83.75 23:18:01 3 12.45 0.00 3.52 0.29 0.00 83.74 23:19:01 all 0.18 0.00 0.06 0.00 0.00 99.75 23:19:01 0 0.03 0.00 0.03 0.00 0.00 99.93 23:19:01 1 0.10 0.00 0.10 0.00 0.00 99.80 23:19:01 2 0.07 0.00 0.05 0.00 0.00 99.88 23:19:01 3 0.55 0.00 0.07 0.00 0.00 99.38 23:20:01 all 0.19 0.00 0.07 0.00 0.00 99.74 23:20:01 0 0.07 0.00 0.08 0.00 0.00 99.85 23:20:01 1 0.05 0.00 0.05 0.00 0.00 99.90 23:20:01 2 0.08 0.00 0.05 0.00 0.00 99.87 23:20:01 3 0.57 0.00 0.07 0.00 0.00 99.37 23:21:01 all 0.18 0.00 0.05 0.00 0.00 99.77 23:21:01 0 0.03 0.00 0.03 0.00 0.00 99.93 23:21:01 1 0.05 0.00 0.07 0.00 0.00 99.88 23:21:01 2 0.07 0.00 0.08 0.00 0.00 99.85 23:21:01 3 0.53 0.00 0.03 0.00 0.00 99.43 23:22:01 all 0.18 0.00 0.05 0.00 0.00 99.77 23:22:01 0 0.03 0.00 0.03 0.00 0.00 99.93 23:22:01 1 0.37 0.00 0.05 0.00 0.00 99.58 23:22:01 2 0.05 0.00 0.07 0.00 0.00 99.88 23:22:01 3 0.25 0.00 0.03 0.00 0.00 99.72 23:23:01 all 0.16 0.00 0.05 0.00 0.00 99.79 23:23:01 0 0.05 0.00 0.07 0.00 0.00 99.88 23:23:01 1 0.53 0.00 0.05 0.00 0.00 99.42 23:23:01 2 0.02 0.00 0.02 0.00 0.00 99.97 23:23:01 3 0.07 0.00 0.07 0.00 0.00 99.87 Average: all 2.08 0.00 0.63 0.21 0.00 97.08 Average: 0 1.71 0.00 0.71 0.03 0.00 97.55 Average: 1 2.00 0.00 0.70 0.69 0.00 96.61 Average: 2 2.20 0.00 0.49 0.09 0.00 97.22 Average: 3 2.39 0.00 0.63 0.05 0.00 96.93