---> uname -a: Linux f2e28e897895 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-36 /dev/vda1 50.0G 6.3G 43.7G 13% /w/workspace/exfoundry_go-mod-bootstrap_PR-36@tmp /dev/vda1 50.0G 6.3G 43.7G 13% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1838 600 64 0 1172 1134 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) 01/30/20 _x86_64_ (4 CPU) 23:03:45 LINUX RESTART 23:04:03 tps rtps wtps bread/s bwrtn/s 23:05:01 104.63 40.09 64.54 5008.85 25384.36 23:06:01 3.70 0.00 3.70 0.00 110.79 23:07:01 0.30 0.00 0.30 0.00 3.90 23:08:01 0.27 0.00 0.27 0.00 3.73 23:09:01 0.25 0.00 0.25 0.00 3.48 23:10:01 0.35 0.00 0.35 0.00 4.70 23:11:01 0.30 0.00 0.30 0.00 3.35 23:12:01 0.30 0.00 0.30 0.00 3.48 Average: 13.39 4.87 8.52 608.03 3098.19 23:04:03 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:05:01 96240 1786064 94.89 2620 1248684 956300 32.63 438436 1186152 16 23:06:01 104368 1777936 94.46 2620 1248720 930944 31.76 433564 1186132 8 23:07:01 104612 1777692 94.44 2620 1248728 929916 31.73 433288 1186120 20 23:08:01 104864 1777440 94.43 2620 1248728 929952 31.73 433668 1186080 8 23:09:01 106428 1775876 94.35 2620 1248736 909272 31.02 432300 1186080 8 23:10:01 106164 1776140 94.36 2620 1248740 909384 31.03 432544 1186080 8 23:11:01 106888 1775416 94.32 2620 1248744 909324 31.03 432360 1186076 20 23:12:01 123660 1758644 93.43 2620 1248748 909204 31.02 415388 1186076 16 Average: 106653 1775651 94.33 2620 1248729 923037 31.49 431444 1186100 13 23:04:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 23:05:01 eth0 397.97 271.07 1016.47 89.57 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 0.83 0.72 0.17 1.18 0.00 0.00 0.00 23:06:01 eth0 3.86 1.53 1.57 0.79 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 23:07:01 eth0 1.67 0.52 0.59 0.42 0.00 0.00 0.00 23:07:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:07:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:08:01 eth0 1.28 0.28 0.33 0.20 0.00 0.00 0.00 23:08:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:08:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:09:01 eth0 1.83 0.30 0.37 0.20 0.00 0.00 0.00 23:09:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:09:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:10:01 eth0 2.37 0.65 0.74 0.46 0.00 0.00 0.00 23:10:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:11:01 eth0 0.80 0.30 0.28 0.17 0.00 0.00 0.00 23:11:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:11:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:12:01 eth0 0.35 0.08 0.02 0.04 0.00 0.00 0.00 23:12:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:12:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 49.84 33.37 123.88 11.16 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.10 0.09 0.02 0.14 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) 01/30/20 _x86_64_ (4 CPU) 23:03:45 LINUX RESTART 23:04:03 CPU %user %nice %system %iowait %steal %idle 23:05:01 all 13.57 0.00 5.85 2.52 0.04 78.02 23:05:01 0 14.69 0.00 6.38 6.04 0.03 72.86 23:05:01 1 13.15 0.00 5.92 0.91 0.05 79.98 23:05:01 2 13.41 0.00 5.22 1.44 0.05 79.87 23:05:01 3 13.02 0.00 5.88 1.73 0.03 79.33 23:06:01 all 0.21 0.00 0.06 0.00 0.00 99.73 23:06:01 0 0.08 0.00 0.05 0.00 0.00 99.87 23:06:01 1 0.07 0.00 0.08 0.00 0.00 99.85 23:06:01 2 0.57 0.00 0.03 0.00 0.00 99.40 23:06:01 3 0.10 0.00 0.07 0.00 0.00 99.83 23:07:01 all 0.19 0.00 0.05 0.00 0.00 99.76 23:07:01 0 0.10 0.00 0.05 0.00 0.00 99.85 23:07:01 1 0.10 0.00 0.05 0.00 0.00 99.85 23:07:01 2 0.48 0.00 0.07 0.00 0.02 99.43 23:07:01 3 0.08 0.00 0.07 0.00 0.00 99.85 23:08:01 all 0.19 0.00 0.05 0.00 0.00 99.77 23:08:01 0 0.03 0.00 0.02 0.00 0.00 99.95 23:08:01 1 0.07 0.00 0.05 0.00 0.00 99.88 23:08:01 2 0.57 0.00 0.07 0.00 0.00 99.37 23:08:01 3 0.07 0.00 0.05 0.00 0.00 99.88 23:09:01 all 0.18 0.00 0.05 0.00 0.00 99.77 23:09:01 0 0.03 0.00 0.05 0.00 0.00 99.92 23:09:01 1 0.05 0.00 0.03 0.00 0.00 99.92 23:09:01 2 0.57 0.00 0.05 0.00 0.00 99.38 23:09:01 3 0.07 0.00 0.05 0.00 0.00 99.88 23:10:01 all 0.18 0.00 0.05 0.00 0.00 99.77 23:10:01 0 0.05 0.00 0.07 0.00 0.00 99.88 23:10:01 1 0.07 0.00 0.03 0.00 0.00 99.90 23:10:01 2 0.55 0.00 0.03 0.00 0.00 99.42 23:10:01 3 0.07 0.00 0.05 0.00 0.00 99.88 23:11:01 all 0.18 0.00 0.05 0.00 0.00 99.77 23:11:01 0 0.03 0.00 0.05 0.00 0.00 99.92 23:11:01 1 0.05 0.00 0.07 0.00 0.00 99.88 23:11:01 2 0.53 0.00 0.03 0.00 0.00 99.43 23:11:01 3 0.08 0.00 0.05 0.00 0.02 99.85 23:12:01 all 0.16 0.00 0.06 0.00 0.00 99.77 23:12:01 0 0.05 0.00 0.05 0.00 0.00 99.90 23:12:01 1 0.05 0.00 0.03 0.00 0.00 99.92 23:12:01 2 0.50 0.00 0.10 0.00 0.00 99.40 23:12:01 3 0.07 0.00 0.05 0.00 0.00 99.88 Average: all 1.79 0.00 0.75 0.30 0.01 97.15 Average: 0 1.81 0.00 0.81 0.73 0.00 96.65 Average: 1 1.64 0.00 0.76 0.11 0.01 97.49 Average: 2 2.09 0.00 0.68 0.17 0.01 97.05 Average: 3 1.63 0.00 0.75 0.21 0.01 97.40