---> uname -a: Linux 41395f68e7e0 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 7.5G 42.5G 15% / 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 7.5G 42.5G 15% /etc/resolv.conf /dev/vda1 50.0G 7.5G 42.5G 15% /etc/hostname /dev/vda1 50.0G 7.5G 42.5G 15% /etc/hosts /dev/vda1 50.0G 7.5G 42.5G 15% /var/log/sa /dev/vda1 50.0G 7.5G 42.5G 15% /w/workspace/dgexfoundry_device-sdk-go_master /dev/vda1 50.0G 7.5G 42.5G 15% /w/workspace/dgexfoundry_device-sdk-go_master@tmp ---> free -m: total used free shared buff/cache available Mem: 1838 744 85 0 1007 1025 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 16: eth0@if17: 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) 04/10/20 _x86_64_ (4 CPU) 13:17:43 LINUX RESTART 13:18:02 tps rtps wtps bread/s bwrtn/s 13:19:01 104.86 33.43 71.43 4806.50 34522.02 13:20:01 8.24 0.00 8.24 0.00 1770.55 13:21:01 0.85 0.00 0.85 0.00 11.19 13:22:01 0.63 0.00 0.63 0.00 7.66 13:23:01 0.45 0.00 0.45 0.00 6.53 13:24:01 4.51 3.84 0.67 485.75 15.36 13:25:01 342.69 143.56 199.14 5595.88 60158.19 Average: 66.00 25.84 40.16 1548.70 13745.02 13:18:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:19:01 109880 1772424 94.16 2620 1232424 926492 31.61 433360 1181200 49668 13:20:01 115340 1766964 93.87 2620 1232460 902296 30.79 428536 1181144 16 13:21:01 113988 1768316 93.94 2620 1232468 902512 30.79 429744 1181132 8 13:22:01 113700 1768604 93.96 2620 1232472 902524 30.79 429784 1181132 16 13:23:01 115256 1767048 93.88 2620 1232476 902296 30.79 428504 1181132 12 13:24:01 76068 1806236 95.96 2620 1222324 1094612 37.35 460488 1170580 110160 13:25:01 119924 1762380 93.63 2620 1040380 1062456 36.25 627924 850136 44360 Average: 109165 1773139 94.20 2620 1203572 956170 32.62 462620 1132351 29177 13:18:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 13:19:01 eth0 470.60 271.89 1046.91 102.34 0.00 0.00 0.00 13:19:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:19:01 docker0 6.91 5.62 0.94 16.56 0.00 0.00 0.00 13:20:01 eth0 0.82 0.07 0.07 0.05 0.00 0.00 0.00 13:20:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:21:01 eth0 0.90 0.32 0.31 0.17 0.00 0.00 0.00 13:21:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:21:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:22:01 eth0 1.08 0.80 0.85 0.26 0.00 0.00 0.00 13:22:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:22:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:23:01 eth0 0.07 0.07 0.01 0.01 0.00 0.00 0.00 13:23:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:23:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:24:01 eth0 76.33 60.57 1919.02 6.88 0.00 0.00 0.00 13:24:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:24:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:25:01 veth8903afc 30.85 35.31 2.12 250.29 0.00 0.00 0.00 13:25:01 eth0 839.35 575.74 8077.95 154.82 0.00 0.00 0.00 13:25:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 13:25:01 docker0 54.70 54.55 4.63 307.76 0.00 0.00 0.00 Average: veth8903afc 4.42 5.06 0.30 35.88 0.00 0.00 0.00 Average: eth0 120.32 82.53 1157.95 22.19 0.00 0.00 0.00 Average: lo 0.01 0.01 0.00 0.00 0.00 0.00 0.00 Average: docker0 7.84 7.82 0.66 44.12 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) 04/10/20 _x86_64_ (4 CPU) 13:17:43 LINUX RESTART 13:18:02 CPU %user %nice %system %iowait %steal %idle 13:19:01 all 13.74 0.00 5.81 7.92 0.02 72.52 13:19:01 0 13.20 0.00 6.37 9.40 0.02 71.03 13:19:01 1 14.75 0.00 5.52 9.44 0.00 70.29 13:19:01 2 14.29 0.00 5.02 5.97 0.02 74.71 13:19:01 3 12.74 0.00 6.31 6.84 0.02 74.10 13:20:01 all 0.18 0.00 0.10 0.00 0.00 99.72 13:20:01 0 0.50 0.00 0.07 0.00 0.00 99.43 13:20:01 1 0.02 0.00 0.08 0.00 0.00 99.90 13:20:01 2 0.12 0.00 0.10 0.00 0.00 99.78 13:20:01 3 0.07 0.00 0.13 0.00 0.00 99.80 13:21:01 all 0.20 0.00 0.05 0.00 0.00 99.75 13:21:01 0 0.53 0.00 0.03 0.00 0.00 99.43 13:21:01 1 0.05 0.00 0.05 0.00 0.00 99.90 13:21:01 2 0.08 0.00 0.08 0.00 0.00 99.83 13:21:01 3 0.12 0.00 0.05 0.00 0.00 99.83 13:22:01 all 0.19 0.00 0.06 0.00 0.00 99.75 13:22:01 0 0.53 0.00 0.07 0.00 0.00 99.40 13:22:01 1 0.07 0.00 0.05 0.00 0.02 99.87 13:22:01 2 0.12 0.00 0.07 0.00 0.00 99.82 13:22:01 3 0.05 0.00 0.05 0.00 0.00 99.90 13:23:01 all 0.16 0.00 0.05 0.00 0.00 99.78 13:23:01 0 0.42 0.00 0.07 0.00 0.00 99.52 13:23:01 1 0.08 0.00 0.05 0.00 0.00 99.87 13:23:01 2 0.07 0.00 0.07 0.00 0.00 99.87 13:23:01 3 0.07 0.00 0.03 0.00 0.00 99.90 13:24:01 all 1.07 0.00 0.65 0.02 0.00 98.25 13:24:01 0 1.48 0.00 0.65 0.02 0.00 97.85 13:24:01 1 0.95 0.00 0.62 0.02 0.00 98.42 13:24:01 2 1.07 0.00 0.70 0.03 0.00 98.20 13:24:01 3 0.80 0.00 0.65 0.03 0.00 98.52 13:25:01 all 16.21 0.00 9.63 5.19 0.03 68.94 13:25:01 0 15.25 0.00 9.83 5.38 0.03 69.51 13:25:01 1 19.16 0.00 9.11 5.71 0.02 66.01 13:25:01 2 14.76 0.00 9.89 4.01 0.03 71.30 13:25:01 3 15.69 0.00 9.68 5.65 0.03 68.94 Average: all 4.48 0.00 2.31 1.85 0.01 91.36 Average: 0 4.50 0.00 2.41 2.08 0.01 91.00 Average: 1 4.95 0.00 2.19 2.14 0.00 90.72 Average: 2 4.30 0.00 2.25 1.41 0.01 92.03 Average: 3 4.16 0.00 2.38 1.76 0.01 91.69