---> uname -a: Linux 01d37701564b 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 6.3G 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/gexfoundry_device-mqtt-go_PR-139 /dev/vda1 50.0G 6.3G 43.7G 13% /w/workspace/gexfoundry_device-mqtt-go_PR-139@tmp /dev/vda1 50.0G 6.3G 43.7G 13% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1838 601 69 0 1166 1131 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) 04/20/20 _x86_64_ (4 CPU) 07:16:57 LINUX RESTART 07:18:01 tps rtps wtps bread/s bwrtn/s 07:19:01 21.41 6.26 15.16 1887.92 1905.87 07:20:01 2.66 0.00 2.66 0.00 84.92 07:21:01 0.58 0.00 0.58 0.00 6.66 07:22:02 0.67 0.00 0.67 0.00 7.56 07:23:01 0.78 0.00 0.78 0.00 9.77 07:24:01 0.58 0.00 0.58 0.00 6.26 07:25:01 0.65 0.00 0.65 0.00 7.53 07:26:01 0.68 0.00 0.68 0.00 7.96 07:27:01 51.00 49.63 1.36 3310.51 31.38 Average: 8.80 6.23 2.57 579.24 230.25 07:18:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:19:01 109780 1772524 94.17 2620 1224660 993048 33.88 432444 1175904 20 07:20:01 120036 1762268 93.62 2620 1224668 902724 30.80 427060 1173108 8 07:21:01 118388 1763916 93.71 2620 1224672 903040 30.81 428496 1173104 8 07:22:02 119600 1762704 93.65 2620 1224676 902788 30.80 429000 1171280 8 07:23:01 120120 1762184 93.62 2620 1224684 902860 30.81 429392 1171280 8 07:24:01 120068 1762236 93.62 2620 1224688 902788 30.80 429152 1171280 12 07:25:01 131416 1750888 93.02 2620 1224692 902788 30.80 418360 1171136 8 07:26:01 131128 1751176 93.03 2620 1224696 902852 30.80 418532 1171136 8 07:27:01 71624 1810680 96.19 2620 1243552 1063944 36.30 445360 1201524 96300 Average: 115796 1766508 93.85 2620 1226776 930759 31.76 428644 1175528 10709 07:18:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 07:19:01 eth0 45.36 38.27 335.14 32.21 0.00 0.00 0.00 07:19:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:19:01 docker0 1.70 1.56 0.28 3.15 0.00 0.00 0.00 07:20:01 eth0 0.78 0.08 0.07 0.01 0.00 0.00 0.00 07:20:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:21:01 eth0 1.20 0.63 0.56 0.37 0.00 0.00 0.00 07:21:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:21:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:22:02 eth0 0.12 0.08 0.01 0.04 0.00 0.00 0.00 07:22:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:22:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:23:01 eth0 0.44 0.39 0.26 0.08 0.00 0.00 0.00 07:23:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:23:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:24:01 eth0 0.03 0.05 0.00 0.00 0.00 0.00 0.00 07:24:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:24:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:25:01 eth0 0.07 0.03 0.00 0.00 0.00 0.00 0.00 07:25:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:25:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:26:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 07:26:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:26:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:27:01 eth0 55.29 42.47 1555.09 5.74 0.00 0.00 0.00 07:27:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:27:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 11.52 9.15 210.76 4.28 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.19 0.17 0.03 0.35 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) 04/20/20 _x86_64_ (4 CPU) 07:16:57 LINUX RESTART 07:18:01 CPU %user %nice %system %iowait %steal %idle 07:19:01 all 2.27 0.00 2.03 0.12 8.79 86.79 07:19:01 0 2.39 0.00 1.99 0.13 8.93 86.57 07:19:01 1 1.97 0.00 2.52 0.05 8.72 86.74 07:19:01 2 2.26 0.00 1.64 0.24 8.63 87.23 07:19:01 3 2.44 0.00 2.02 0.06 8.90 86.58 07:20:01 all 0.12 0.00 0.07 0.00 0.64 99.16 07:20:01 0 0.07 0.00 0.12 0.00 1.06 98.76 07:20:01 1 0.07 0.00 0.07 0.00 0.56 99.30 07:20:01 2 0.32 0.00 0.03 0.00 0.40 99.25 07:20:01 3 0.05 0.00 0.05 0.00 0.53 99.37 07:21:01 all 0.13 0.00 0.04 0.00 0.32 99.51 07:21:01 0 0.03 0.00 0.05 0.00 0.55 99.37 07:21:01 1 0.08 0.00 0.07 0.00 0.38 99.47 07:21:01 2 0.35 0.00 0.05 0.00 0.20 99.40 07:21:01 3 0.03 0.00 0.03 0.00 0.17 99.77 07:22:02 all 0.12 0.00 0.05 0.00 0.22 99.61 07:22:02 0 0.07 0.00 0.07 0.00 0.27 99.60 07:22:02 1 0.05 0.00 0.03 0.00 0.20 99.72 07:22:02 2 0.30 0.00 0.07 0.00 0.33 99.30 07:22:02 3 0.05 0.00 0.02 0.00 0.07 99.87 07:23:01 all 0.11 0.00 0.05 0.00 0.16 99.68 07:23:01 0 0.20 0.00 0.03 0.00 0.08 99.68 07:23:01 1 0.08 0.00 0.05 0.00 0.24 99.63 07:23:01 2 0.12 0.00 0.03 0.00 0.15 99.70 07:23:01 3 0.03 0.00 0.07 0.00 0.19 99.71 07:24:01 all 0.12 0.00 0.05 0.00 0.12 99.72 07:24:01 0 0.05 0.00 0.05 0.00 0.08 99.82 07:24:01 1 0.07 0.00 0.03 0.00 0.18 99.72 07:24:01 2 0.32 0.00 0.08 0.00 0.17 99.43 07:24:01 3 0.03 0.00 0.02 0.00 0.03 99.92 07:25:01 all 0.11 0.00 0.04 0.00 0.26 99.60 07:25:01 0 0.17 0.00 0.02 0.00 0.28 99.53 07:25:01 1 0.05 0.00 0.05 0.00 0.17 99.73 07:25:01 2 0.17 0.00 0.08 0.00 0.43 99.32 07:25:01 3 0.03 0.00 0.02 0.00 0.15 99.80 07:26:01 all 0.11 0.00 0.04 0.00 0.43 99.42 07:26:01 0 0.07 0.00 0.07 0.00 0.73 99.14 07:26:01 1 0.07 0.00 0.03 0.00 0.33 99.57 07:26:01 2 0.03 0.00 0.00 0.00 0.33 99.63 07:26:01 3 0.28 0.00 0.03 0.00 0.33 99.35 07:27:01 all 1.14 0.00 0.64 1.29 2.87 94.07 07:27:01 0 0.68 0.00 0.45 0.05 3.54 95.29 07:27:01 1 2.59 0.00 0.97 4.93 2.77 88.73 07:27:01 2 0.76 0.00 0.45 0.15 2.54 96.11 07:27:01 3 0.56 0.00 0.70 0.05 2.59 96.10 Average: all 0.48 0.00 0.34 0.16 1.56 97.46 Average: 0 0.42 0.00 0.32 0.02 1.75 97.49 Average: 1 0.56 0.00 0.43 0.55 1.53 96.92 Average: 2 0.52 0.00 0.28 0.04 1.50 97.66 Average: 3 0.40 0.00 0.33 0.01 1.47 97.79