---> uname -a: Linux d8ddd9af36dd 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: 2933.396 BogoMIPS: 5866.79 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-34 /dev/vda1 50.0G 6.3G 43.7G 13% /w/workspace/exfoundry_go-mod-bootstrap_PR-34@tmp /dev/vda1 50.0G 6.3G 43.7G 13% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1838 582 89 0 1166 1150 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) 01/22/20 _x86_64_ (4 CPU) 16:58:34 LINUX RESTART 16:59:01 tps rtps wtps bread/s bwrtn/s 17:00:01 54.48 12.37 42.11 2515.48 3649.13 17:01:01 3.48 0.03 3.45 0.27 109.04 17:02:01 0.53 0.12 0.42 2.53 8.97 17:03:01 120.31 78.69 41.63 4593.54 16649.73 Average: 44.70 22.80 21.90 1778.03 5104.43 16:59:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:00:01 111020 1771284 94.10 2620 1248560 952584 32.50 405740 1204688 16 17:01:01 121240 1761064 93.56 2620 1248576 899708 30.70 401252 1201876 16 17:02:01 120800 1761504 93.58 2620 1248772 897864 30.63 401936 1201616 32 17:03:01 91452 1790852 95.14 2620 1202556 996896 34.01 415980 1177336 34452 Average: 111128 1771176 94.10 2620 1237116 936763 31.96 406227 1196379 8629 16:59:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 17:00:01 eth0 354.70 259.44 959.78 85.91 0.00 0.00 0.00 17:00:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:00:01 docker0 1.02 0.87 0.18 1.25 0.00 0.00 0.00 17:01:01 eth0 1.28 0.65 0.80 0.09 0.00 0.00 0.00 17:01:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:01:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:02:01 eth0 0.73 0.38 0.29 0.20 0.00 0.00 0.00 17:02:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:02:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:03:01 vethb75d7ff 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:03:01 eth0 529.17 398.93 3134.39 101.69 0.00 0.00 0.00 17:03:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 17:03:01 veth11258e0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: vethb75d7ff 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 132.30 99.74 783.63 25.42 0.00 0.00 0.00 Average: lo 0.02 0.02 0.00 0.00 0.00 0.00 0.00 Average: veth11258e0 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) 01/22/20 _x86_64_ (4 CPU) 16:58:34 LINUX RESTART 16:59:01 CPU %user %nice %system %iowait %steal %idle 17:00:01 all 9.09 0.00 2.99 1.19 0.00 86.73 17:00:01 0 8.61 0.00 3.31 1.21 0.02 86.86 17:00:01 1 7.95 0.00 2.85 1.26 0.02 87.93 17:00:01 2 10.81 0.00 2.75 2.18 0.00 84.25 17:00:01 3 8.97 0.00 3.06 0.12 0.02 87.83 17:01:01 all 0.18 0.00 0.07 0.00 0.00 99.75 17:01:01 0 0.05 0.00 0.05 0.00 0.00 99.90 17:01:01 1 0.10 0.00 0.08 0.00 0.00 99.82 17:01:01 2 0.53 0.00 0.07 0.00 0.00 99.40 17:01:01 3 0.08 0.00 0.08 0.00 0.00 99.83 17:02:01 all 0.13 0.00 0.06 0.00 0.00 99.81 17:02:01 0 0.02 0.00 0.05 0.00 0.00 99.93 17:02:01 1 0.08 0.00 0.05 0.00 0.00 99.87 17:02:01 2 0.35 0.00 0.07 0.00 0.00 99.58 17:02:01 3 0.07 0.00 0.07 0.00 0.00 99.87 17:03:01 all 4.87 0.00 2.66 1.49 0.01 90.97 17:03:01 0 5.53 0.00 3.17 1.37 0.02 89.91 17:03:01 1 4.94 0.00 2.65 1.09 0.00 91.32 17:03:01 2 4.97 0.00 2.03 2.01 0.00 91.00 17:03:01 3 4.01 0.00 2.82 1.49 0.00 91.68 Average: all 3.56 0.00 1.44 0.67 0.00 94.33 Average: 0 3.54 0.00 1.64 0.64 0.01 94.17 Average: 1 3.26 0.00 1.40 0.59 0.00 94.75 Average: 2 4.15 0.00 1.22 1.04 0.00 93.58 Average: 3 3.27 0.00 1.50 0.40 0.00 94.82