---> uname -a: Linux af12e45bb688 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 43.7G 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 6.2G 43.7G 13% /etc/resolv.conf /dev/vda1 50.0G 6.2G 43.7G 13% /etc/hostname /dev/vda1 50.0G 6.2G 43.7G 13% /etc/hosts /dev/vda1 50.0G 6.2G 43.7G 13% /w/workspace/exfoundry_go-mod-bootstrap_PR-34 /dev/vda1 50.0G 6.2G 43.7G 13% /w/workspace/exfoundry_go-mod-bootstrap_PR-34@tmp /dev/vda1 50.0G 6.2G 43.7G 13% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1838 572 70 0 1195 1162 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) 01/29/20 _x86_64_ (4 CPU) 18:18:24 LINUX RESTART 18:19:01 tps rtps wtps bread/s bwrtn/s 18:20:01 36.37 8.89 27.48 1937.87 2829.98 18:21:01 2.58 0.00 2.58 0.00 81.77 18:22:01 0.70 0.00 0.70 0.00 8.53 18:23:01 0.63 0.00 0.63 0.00 7.93 18:24:01 0.58 0.00 0.58 0.00 5.96 18:25:01 0.75 0.00 0.75 0.00 8.93 18:26:01 0.70 0.00 0.70 0.00 8.09 Average: 6.05 1.27 4.78 276.95 421.76 18:19:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:20:01 119644 1762660 93.64 2620 1262912 936028 31.94 404572 1199064 8 18:21:01 125604 1756700 93.33 2620 1262920 909716 31.04 399884 1198760 12 18:22:01 124596 1757708 93.38 2620 1262928 909872 31.04 400680 1198760 8 18:23:01 124760 1757544 93.37 2620 1262928 909872 31.04 400828 1198760 8 18:24:01 125388 1756916 93.34 2620 1262936 909716 31.04 399844 1198760 8 18:25:01 125888 1756416 93.31 2620 1262940 909644 31.04 399600 1198760 12 18:26:01 124808 1757496 93.37 2620 1262944 909884 31.04 400884 1198756 8 Average: 124384 1757920 93.39 2620 1262930 913533 31.17 400899 1198803 9 18:19:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 18:20:01 eth0 133.53 107.44 449.82 46.95 0.00 0.00 0.00 18:20:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:20:01 docker0 0.85 0.77 0.17 1.15 0.00 0.00 0.00 18:21:01 eth0 2.28 1.40 1.64 0.13 0.00 0.00 0.00 18:21:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:21:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:22:01 eth0 1.58 0.35 0.36 0.20 0.00 0.00 0.00 18:22:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:22:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:23:01 eth0 0.93 0.75 0.54 0.38 0.00 0.00 0.00 18:23:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:23:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:24:01 eth0 0.35 0.25 0.15 0.11 0.00 0.00 0.00 18:24:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:24:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:25:01 eth0 0.93 0.08 0.07 0.01 0.00 0.00 0.00 18:25:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:25:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:26:01 eth0 0.50 0.45 0.27 0.21 0.00 0.00 0.00 18:26:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:26:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 20.02 15.82 64.72 6.86 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.12 0.11 0.02 0.16 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) 18:18:24 LINUX RESTART 18:19:01 CPU %user %nice %system %iowait %steal %idle 18:20:01 all 3.47 0.00 1.68 1.08 0.00 93.77 18:20:01 0 3.25 0.00 1.73 0.08 0.00 94.94 18:20:01 1 3.48 0.00 1.71 1.21 0.02 93.59 18:20:01 2 3.75 0.00 1.71 0.90 0.00 93.64 18:20:01 3 3.36 0.00 1.59 2.13 0.00 92.92 18:21:01 all 0.19 0.00 0.07 0.00 0.00 99.74 18:21:01 0 0.07 0.00 0.07 0.00 0.02 99.85 18:21:01 1 0.05 0.00 0.07 0.00 0.00 99.88 18:21:01 2 0.10 0.00 0.08 0.00 0.00 99.82 18:21:01 3 0.55 0.00 0.07 0.00 0.00 99.38 18:22:01 all 0.20 0.00 0.06 0.00 0.00 99.75 18:22:01 0 0.07 0.00 0.07 0.00 0.00 99.87 18:22:01 1 0.48 0.00 0.05 0.00 0.00 99.47 18:22:01 2 0.07 0.00 0.05 0.00 0.00 99.88 18:22:01 3 0.18 0.00 0.03 0.00 0.00 99.78 18:23:01 all 0.18 0.00 0.05 0.00 0.00 99.76 18:23:01 0 0.03 0.00 0.03 0.00 0.00 99.93 18:23:01 1 0.55 0.00 0.05 0.00 0.00 99.40 18:23:01 2 0.10 0.00 0.10 0.00 0.02 99.78 18:23:01 3 0.05 0.00 0.05 0.00 0.00 99.90 18:24:01 all 0.18 0.00 0.05 0.00 0.00 99.77 18:24:01 0 0.03 0.00 0.02 0.00 0.00 99.95 18:24:01 1 0.55 0.00 0.05 0.00 0.00 99.40 18:24:01 2 0.05 0.00 0.05 0.00 0.00 99.90 18:24:01 3 0.05 0.00 0.05 0.00 0.00 99.90 18:25:01 all 0.17 0.00 0.06 0.00 0.00 99.77 18:25:01 0 0.03 0.00 0.08 0.00 0.00 99.88 18:25:01 1 0.55 0.00 0.07 0.00 0.00 99.38 18:25:01 2 0.05 0.00 0.05 0.00 0.00 99.90 18:25:01 3 0.05 0.00 0.07 0.00 0.00 99.88 18:26:01 all 0.19 0.00 0.05 0.00 0.00 99.76 18:26:01 0 0.10 0.00 0.07 0.00 0.00 99.83 18:26:01 1 0.52 0.00 0.05 0.00 0.00 99.43 18:26:01 2 0.07 0.00 0.03 0.00 0.00 99.90 18:26:01 3 0.05 0.00 0.05 0.00 0.00 99.90 Average: all 0.65 0.00 0.29 0.15 0.00 98.91 Average: 0 0.51 0.00 0.29 0.01 0.00 99.18 Average: 1 0.88 0.00 0.29 0.17 0.00 98.65 Average: 2 0.60 0.00 0.30 0.13 0.00 98.98 Average: 3 0.61 0.00 0.27 0.30 0.00 98.81