---> uname -a: Linux cb4c0cdb9a21 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% /var/log/sa /dev/vda1 50.0G 6.3G 43.7G 13% /w/workspace/exfoundry_go-mod-bootstrap_PR-45 /dev/vda1 50.0G 6.3G 43.7G 13% /w/workspace/exfoundry_go-mod-bootstrap_PR-45@tmp ---> free -m: total used free shared buff/cache available Mem: 1838 617 68 0 1151 1116 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) 02/08/20 _x86_64_ (4 CPU) 16:44:34 LINUX RESTART 16:45:01 tps rtps wtps bread/s bwrtn/s 16:46:03 52.38 14.30 38.08 2689.75 3599.87 16:47:01 4.13 0.00 4.13 0.00 120.83 16:48:01 0.27 0.00 0.27 0.00 3.75 16:49:01 0.33 0.00 0.33 0.00 5.15 16:50:01 0.25 0.00 0.25 0.00 4.55 16:51:01 0.43 0.00 0.43 0.00 6.95 16:52:01 0.35 0.00 0.35 0.00 5.80 16:53:01 0.25 0.00 0.25 0.00 4.28 Average: 7.32 1.80 5.52 337.81 470.60 16:45:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:46:03 91012 1791292 95.16 2620 1235840 959756 32.75 451372 1178328 16 16:47:01 103372 1778932 94.51 2620 1235872 893508 30.49 442748 1178172 8 16:48:01 102460 1779844 94.56 2620 1235880 893652 30.49 443624 1178160 20 16:49:01 103492 1778812 94.50 2620 1235880 893508 30.49 442992 1178160 16 16:50:01 102644 1779660 94.55 2620 1235888 893652 30.49 443780 1178160 8 16:51:01 102684 1779620 94.54 2620 1235892 893640 30.49 443632 1178160 8 16:52:01 103520 1778784 94.50 2620 1235896 893508 30.49 443032 1178156 8 16:53:01 104264 1778040 94.46 2620 1235904 893508 30.49 442512 1177920 12 Average: 101681 1780623 94.60 2620 1235882 901842 30.77 444212 1178152 12 16:45:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 16:46:03 eth0 408.49 310.07 970.90 90.60 0.00 0.00 0.00 16:46:03 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:46:03 docker0 1.26 1.10 0.22 1.55 0.00 0.00 0.00 16:47:01 eth0 0.09 0.09 0.01 0.03 0.00 0.00 0.00 16:47:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:47:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:48:01 eth0 1.55 0.58 0.72 0.22 0.00 0.00 0.00 16:48:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:48:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:49:01 eth0 0.62 0.08 0.06 0.01 0.00 0.00 0.00 16:49:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:49:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:50:01 eth0 0.52 0.47 0.27 0.21 0.00 0.00 0.00 16:50:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:51:01 eth0 0.32 0.25 0.14 0.08 0.00 0.00 0.00 16:51:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:51:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:52:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 16:52:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:52:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:53:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 16:53:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:53:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 51.71 39.15 122.09 11.45 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 0.14 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) 02/08/20 _x86_64_ (4 CPU) 16:44:34 LINUX RESTART 16:45:01 CPU %user %nice %system %iowait %steal %idle 16:46:03 all 12.23 0.00 3.61 0.96 0.02 83.18 16:46:03 0 11.88 0.00 4.38 2.18 0.03 81.53 16:46:03 1 11.40 0.00 3.78 0.12 0.03 84.66 16:46:03 2 11.42 0.00 3.74 0.62 0.02 84.20 16:46:03 3 14.21 0.00 2.59 0.94 0.00 82.27 16:47:01 all 0.21 0.00 0.07 0.00 0.00 99.72 16:47:01 0 0.10 0.00 0.09 0.00 0.00 99.81 16:47:01 1 0.07 0.00 0.07 0.00 0.00 99.86 16:47:01 2 0.10 0.00 0.07 0.00 0.00 99.83 16:47:01 3 0.55 0.00 0.05 0.00 0.00 99.40 16:48:01 all 0.17 0.00 0.07 0.00 0.00 99.77 16:48:01 0 0.08 0.00 0.07 0.00 0.00 99.85 16:48:01 1 0.10 0.00 0.05 0.00 0.02 99.83 16:48:01 2 0.08 0.00 0.05 0.00 0.00 99.87 16:48:01 3 0.40 0.00 0.10 0.00 0.00 99.50 16:49:01 all 0.06 0.00 0.05 0.00 0.00 99.89 16:49:01 0 0.05 0.00 0.03 0.00 0.00 99.92 16:49:01 1 0.03 0.00 0.05 0.00 0.00 99.92 16:49:01 2 0.05 0.00 0.07 0.00 0.00 99.88 16:49:01 3 0.10 0.00 0.07 0.00 0.02 99.82 16:50:01 all 0.07 0.00 0.05 0.00 0.00 99.88 16:50:01 0 0.05 0.00 0.07 0.00 0.00 99.88 16:50:01 1 0.07 0.00 0.05 0.00 0.00 99.88 16:50:01 2 0.07 0.00 0.03 0.00 0.02 99.88 16:50:01 3 0.08 0.00 0.05 0.00 0.00 99.87 16:51:01 all 0.18 0.00 0.05 0.00 0.00 99.77 16:51:01 0 0.02 0.00 0.02 0.00 0.00 99.97 16:51:01 1 0.08 0.00 0.07 0.00 0.00 99.85 16:51:01 2 0.33 0.00 0.08 0.00 0.00 99.58 16:51:01 3 0.28 0.00 0.03 0.00 0.00 99.68 16:52:01 all 0.18 0.00 0.05 0.00 0.00 99.77 16:52:01 0 0.03 0.00 0.03 0.00 0.00 99.93 16:52:01 1 0.08 0.00 0.07 0.00 0.00 99.85 16:52:01 2 0.53 0.00 0.03 0.00 0.00 99.43 16:52:01 3 0.07 0.00 0.05 0.00 0.00 99.88 16:53:01 all 0.18 0.00 0.05 0.00 0.00 99.77 16:53:01 0 0.03 0.00 0.03 0.00 0.00 99.93 16:53:01 1 0.08 0.00 0.03 0.00 0.00 99.88 16:53:01 2 0.55 0.00 0.07 0.00 0.00 99.38 16:53:01 3 0.05 0.00 0.03 0.00 0.00 99.92 Average: all 1.66 0.00 0.50 0.12 0.00 97.72 Average: 0 1.53 0.00 0.59 0.27 0.00 97.61 Average: 1 1.49 0.00 0.52 0.01 0.01 97.97 Average: 2 1.64 0.00 0.52 0.08 0.00 97.76 Average: 3 1.96 0.00 0.37 0.12 0.00 97.54