---> uname -a: Linux a24fface66c0 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 6.4G 43.6G 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 6.4G 43.6G 13% /etc/resolv.conf /dev/vda1 50.0G 6.4G 43.6G 13% /etc/hostname /dev/vda1 50.0G 6.4G 43.6G 13% /etc/hosts /dev/vda1 50.0G 6.4G 43.6G 13% /w/workspace/gexfoundry_device-mqtt-go_PR-139 /dev/vda1 50.0G 6.4G 43.6G 13% /w/workspace/gexfoundry_device-mqtt-go_PR-139@tmp /dev/vda1 50.0G 6.4G 43.6G 13% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1838 611 63 0 1162 1122 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) 04/16/20 _x86_64_ (4 CPU) 18:05:55 LINUX RESTART 18:07:01 tps rtps wtps bread/s bwrtn/s 18:08:02 16.37 2.13 14.24 489.37 2199.28 18:09:01 2.29 0.00 2.29 0.00 77.70 18:10:01 0.25 0.00 0.25 0.00 2.80 18:11:01 0.28 0.00 0.28 0.00 3.50 18:12:01 0.35 0.00 0.35 0.00 4.58 18:13:01 0.27 0.00 0.27 0.00 3.75 18:14:01 0.28 0.00 0.28 0.00 3.60 18:15:01 0.23 0.00 0.23 0.00 2.46 18:16:01 0.27 0.00 0.27 0.00 3.60 18:17:01 0.32 0.00 0.32 0.00 3.34 18:18:02 0.73 0.00 0.73 0.00 8.03 18:19:01 0.74 0.00 0.74 0.00 8.60 18:20:01 0.68 0.00 0.68 0.00 8.22 Average: 1.77 0.16 1.61 37.75 179.58 18:07:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:08:02 119604 1762700 93.65 2620 1212716 949748 32.40 448504 1151584 16 18:09:01 129764 1752540 93.11 2620 1212724 892308 30.45 440520 1151280 8 18:10:01 127284 1755020 93.24 2620 1212728 892572 30.45 442532 1151276 20 18:11:01 128828 1753476 93.16 2620 1212792 892308 30.45 441420 1151204 28 18:12:01 128508 1753796 93.17 2620 1212740 892440 30.45 442052 1151192 20 18:13:01 128596 1753708 93.17 2620 1212744 892308 30.45 441376 1151192 16 18:14:01 135356 1746948 92.81 2620 1212748 892308 30.45 434780 1151180 16 18:15:01 135116 1747188 92.82 2620 1212752 892308 30.45 434872 1151180 8 18:16:01 134364 1747940 92.86 2620 1212760 892512 30.45 436108 1151184 8 18:17:01 144160 1738144 92.34 2620 1212764 892416 30.45 425916 1151180 16 18:18:02 144228 1738076 92.34 2620 1212768 892428 30.45 425888 1151180 8 18:19:01 144308 1737996 92.33 2620 1212776 892572 30.45 425388 1151180 8 18:20:01 146204 1736100 92.23 2620 1212780 892308 30.45 424084 1151180 8 Average: 134332 1747972 92.86 2620 1212753 896810 30.60 435649 1151230 14 18:07:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 18:08:02 eth0 29.18 25.24 106.16 29.09 0.00 0.00 0.00 18:08:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:08:02 docker0 1.46 1.31 0.27 3.00 0.00 0.00 0.00 18:09:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 18:09:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:09:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:10:01 eth0 0.83 0.28 0.30 0.20 0.00 0.00 0.00 18:10:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:11:01 eth0 0.67 0.08 0.05 0.01 0.00 0.00 0.00 18:11:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:11:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:12:01 eth0 0.48 0.20 0.17 0.07 0.00 0.00 0.00 18:12:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:12:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:13:01 eth0 0.48 0.27 0.27 0.20 0.00 0.00 0.00 18:13:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:13:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:14:01 eth0 0.03 0.02 0.00 0.00 0.00 0.00 0.00 18:14:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:14:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:15:01 eth0 0.40 0.08 0.04 0.01 0.00 0.00 0.00 18:15:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:15:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:16:01 eth0 0.53 0.50 0.27 0.21 0.00 0.00 0.00 18:16:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:16:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:17:01 eth0 0.27 0.23 0.10 0.07 0.00 0.00 0.00 18:17:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:17:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:18:02 eth0 0.30 0.18 0.07 0.01 0.00 0.00 0.00 18:18:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:18:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:19:01 eth0 0.88 0.52 0.31 0.22 0.00 0.00 0.00 18:19:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:19:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:20:01 eth0 0.87 0.08 0.07 0.01 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 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 2.70 2.14 8.32 2.32 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.11 0.10 0.02 0.23 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) 04/16/20 _x86_64_ (4 CPU) 18:05:55 LINUX RESTART 18:07:01 CPU %user %nice %system %iowait %steal %idle 18:08:02 all 2.30 0.00 1.92 0.07 4.38 91.33 18:08:02 0 2.25 0.00 1.89 0.03 4.56 91.26 18:08:02 1 2.12 0.00 2.43 0.05 3.93 91.47 18:08:02 2 2.34 0.00 2.03 0.13 4.70 90.80 18:08:02 3 2.51 0.00 1.37 0.08 4.31 91.74 18:09:01 all 0.12 0.00 0.07 0.00 0.16 99.65 18:09:01 0 0.02 0.00 0.07 0.00 0.10 99.81 18:09:01 1 0.05 0.00 0.05 0.00 0.05 99.85 18:09:01 2 0.32 0.00 0.08 0.00 0.17 99.42 18:09:01 3 0.07 0.00 0.08 0.00 0.34 99.51 18:10:01 all 0.15 0.00 0.04 0.00 0.44 99.38 18:10:01 0 0.08 0.00 0.02 0.00 0.35 99.55 18:10:01 1 0.03 0.00 0.02 0.00 0.45 99.50 18:10:01 2 0.40 0.00 0.03 0.00 0.35 99.22 18:10:01 3 0.08 0.00 0.05 0.00 0.58 99.29 18:11:01 all 0.07 0.00 0.06 0.00 0.28 99.58 18:11:01 0 0.03 0.00 0.05 0.00 0.58 99.34 18:11:01 1 0.03 0.00 0.02 0.00 0.15 99.80 18:11:01 2 0.20 0.00 0.15 0.00 0.20 99.45 18:11:01 3 0.03 0.00 0.05 0.00 0.20 99.72 18:12:01 all 0.15 0.00 0.05 0.00 0.07 99.73 18:12:01 0 0.08 0.00 0.03 0.00 0.05 99.83 18:12:01 1 0.08 0.00 0.07 0.00 0.08 99.77 18:12:01 2 0.07 0.00 0.05 0.00 0.10 99.78 18:12:01 3 0.38 0.00 0.03 0.00 0.05 99.53 18:13:01 all 0.12 0.00 0.04 0.00 0.19 99.65 18:13:01 0 0.05 0.00 0.03 0.00 0.28 99.63 18:13:01 1 0.03 0.00 0.03 0.00 0.12 99.82 18:13:01 2 0.07 0.00 0.07 0.00 0.20 99.67 18:13:01 3 0.37 0.00 0.05 0.00 0.15 99.43 18:14:01 all 0.12 0.00 0.04 0.00 0.40 99.44 18:14:01 0 0.10 0.00 0.02 0.00 0.23 99.65 18:14:01 1 0.02 0.00 0.02 0.00 0.37 99.60 18:14:01 2 0.05 0.00 0.05 0.00 0.42 99.48 18:14:01 3 0.30 0.00 0.07 0.00 0.60 99.04 18:15:01 all 0.13 0.00 0.03 0.00 0.10 99.74 18:15:01 0 0.38 0.00 0.03 0.00 0.12 99.47 18:15:01 1 0.02 0.00 0.02 0.00 0.08 99.88 18:15:01 2 0.08 0.00 0.05 0.00 0.03 99.83 18:15:01 3 0.03 0.00 0.03 0.00 0.18 99.75 18:16:01 all 0.10 0.00 0.04 0.00 0.59 99.27 18:16:01 0 0.22 0.00 0.03 0.00 0.60 99.15 18:16:01 1 0.03 0.00 0.02 0.00 0.74 99.21 18:16:01 2 0.07 0.00 0.05 0.00 0.86 99.02 18:16:01 3 0.05 0.00 0.02 0.00 0.20 99.73 18:17:01 all 0.23 0.00 0.12 0.00 2.23 97.41 18:17:01 0 0.36 0.00 0.13 0.00 2.74 96.77 18:17:01 1 0.20 0.00 0.10 0.00 2.68 97.03 18:17:01 2 0.20 0.00 0.13 0.00 1.59 98.08 18:17:01 3 0.16 0.00 0.13 0.00 1.90 97.81 18:18:02 all 0.28 0.00 0.16 0.00 4.56 95.00 18:18:02 0 0.28 0.00 0.13 0.00 4.65 94.94 18:18:02 1 0.31 0.00 0.21 0.00 5.65 93.83 18:18:02 2 0.25 0.00 0.18 0.00 3.65 95.92 18:18:02 3 0.29 0.00 0.16 0.00 4.26 95.28 18:19:01 all 0.14 0.00 0.03 0.00 0.23 99.60 18:19:01 0 0.03 0.00 0.02 0.00 0.08 99.86 18:19:01 1 0.44 0.00 0.03 0.00 0.47 99.05 18:19:01 2 0.07 0.00 0.03 0.00 0.22 99.68 18:19:01 3 0.02 0.00 0.02 0.00 0.15 99.81 18:20:01 all 0.12 0.00 0.04 0.00 0.34 99.50 18:20:01 0 0.07 0.00 0.05 0.00 0.45 99.43 18:20:01 1 0.40 0.00 0.05 0.00 0.35 99.20 18:20:01 2 0.00 0.00 0.02 0.00 0.22 99.77 18:20:01 3 0.03 0.00 0.03 0.00 0.33 99.60 Average: all 0.31 0.00 0.20 0.01 1.09 98.39 Average: 0 0.31 0.00 0.19 0.00 1.15 98.35 Average: 1 0.29 0.00 0.24 0.00 1.18 98.29 Average: 2 0.32 0.00 0.23 0.01 0.99 98.46 Average: 3 0.34 0.00 0.16 0.01 1.03 98.47