---> uname -a: Linux 4d181b76681d 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 6.2G 43.8G 12% / 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 6.2G 43.8G 12% /etc/resolv.conf /dev/vda1 50.0G 6.2G 43.8G 12% /etc/hostname /dev/vda1 50.0G 6.2G 43.8G 12% /etc/hosts /dev/vda1 50.0G 6.2G 43.8G 12% /w/workspace/exfoundry_go-mod-bootstrap_PR-36 /dev/vda1 50.0G 6.2G 43.8G 12% /w/workspace/exfoundry_go-mod-bootstrap_PR-36@tmp /dev/vda1 50.0G 6.2G 43.8G 12% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1838 608 81 0 1147 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) 02/04/20 _x86_64_ (4 CPU) 22:59:34 LINUX RESTART 23:00:01 tps rtps wtps bread/s bwrtn/s 23:01:01 42.05 10.04 32.01 2332.08 3260.68 23:02:01 4.00 0.10 3.90 2.13 123.14 23:03:01 0.30 0.00 0.30 0.00 3.58 23:04:01 0.20 0.00 0.20 0.00 2.58 23:05:01 0.22 0.00 0.22 0.00 2.17 23:06:01 0.35 0.00 0.35 0.00 4.76 Average: 7.86 1.69 6.16 389.20 566.38 23:00:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:01:01 107968 1774336 94.26 2620 1225708 951352 32.46 417972 1195752 16 23:02:01 118420 1763884 93.71 2620 1225868 910508 31.07 413428 1193268 16 23:03:01 116884 1765420 93.79 2620 1225872 910748 31.07 415048 1193268 20 23:04:01 117056 1765248 93.78 2620 1225876 910712 31.07 414768 1193268 16 23:05:01 118192 1764112 93.72 2620 1225880 910580 31.07 414068 1193268 12 23:06:01 118596 1763708 93.70 2620 1225888 910508 31.07 413684 1193272 12 Average: 116186 1766118 93.83 2620 1225849 917401 31.30 414828 1193683 15 23:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 23:01:01 eth0 179.52 138.07 527.44 56.49 0.00 0.00 0.00 23:01:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:01:01 docker0 0.97 0.93 0.19 1.49 0.00 0.00 0.00 23:02:01 eth0 0.70 0.07 0.06 0.01 0.00 0.00 0.00 23:02:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:02:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:03:01 eth0 1.08 0.65 0.55 0.37 0.00 0.00 0.00 23:03:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:03:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:04:01 eth0 0.92 0.50 0.30 0.21 0.00 0.00 0.00 23:04:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:04:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:05:01 eth0 0.22 0.18 0.08 0.07 0.00 0.00 0.00 23:05:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:05:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:06:01 eth0 0.08 0.07 0.01 0.03 0.00 0.00 0.00 23:06:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:06:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 30.43 23.27 88.11 9.54 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 0.16 0.03 0.25 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) 02/04/20 _x86_64_ (4 CPU) 22:59:34 LINUX RESTART 23:00:01 CPU %user %nice %system %iowait %steal %idle 23:01:01 all 5.94 0.00 1.75 0.75 0.01 91.56 23:01:01 0 6.39 0.00 1.99 0.12 0.02 91.49 23:01:01 1 5.17 0.00 1.62 0.13 0.02 93.06 23:01:01 2 6.21 0.00 1.62 0.10 0.00 92.07 23:01:01 3 5.99 0.00 1.76 2.64 0.02 89.60 23:02:01 all 0.20 0.00 0.05 0.00 0.00 99.75 23:02:01 0 0.53 0.00 0.05 0.02 0.00 99.40 23:02:01 1 0.08 0.00 0.05 0.00 0.00 99.87 23:02:01 2 0.10 0.00 0.07 0.00 0.00 99.83 23:02:01 3 0.07 0.00 0.05 0.00 0.00 99.88 23:03:01 all 0.21 0.00 0.05 0.00 0.00 99.74 23:03:01 0 0.53 0.00 0.03 0.00 0.00 99.43 23:03:01 1 0.13 0.00 0.05 0.00 0.00 99.82 23:03:01 2 0.13 0.00 0.07 0.00 0.00 99.80 23:03:01 3 0.07 0.00 0.03 0.00 0.00 99.90 23:04:01 all 0.16 0.00 0.05 0.00 0.00 99.79 23:04:01 0 0.43 0.00 0.05 0.00 0.00 99.52 23:04:01 1 0.08 0.00 0.07 0.00 0.02 99.83 23:04:01 2 0.05 0.00 0.05 0.00 0.00 99.90 23:04:01 3 0.07 0.00 0.05 0.00 0.00 99.88 23:05:01 all 0.20 0.00 0.04 0.00 0.00 99.76 23:05:01 0 0.55 0.00 0.03 0.00 0.00 99.42 23:05:01 1 0.08 0.00 0.03 0.00 0.00 99.88 23:05:01 2 0.07 0.00 0.03 0.00 0.02 99.88 23:05:01 3 0.08 0.00 0.03 0.00 0.00 99.88 23:06:01 all 0.17 0.00 0.04 0.00 0.00 99.79 23:06:01 0 0.30 0.00 0.03 0.00 0.00 99.67 23:06:01 1 0.07 0.00 0.05 0.00 0.00 99.88 23:06:01 2 0.28 0.00 0.05 0.00 0.00 99.67 23:06:01 3 0.05 0.00 0.03 0.00 0.00 99.92 Average: all 1.14 0.00 0.33 0.12 0.00 98.40 Average: 0 1.45 0.00 0.36 0.02 0.00 98.16 Average: 1 0.93 0.00 0.31 0.02 0.01 98.73 Average: 2 1.14 0.00 0.31 0.02 0.00 98.53 Average: 3 1.05 0.00 0.33 0.44 0.00 98.18