---> uname -a: Linux 3fd41e000195 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: 2933.442 BogoMIPS: 5866.88 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 7.6G 42.4G 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 7.6G 42.4G 15% /etc/resolv.conf /dev/vda1 50.0G 7.6G 42.4G 15% /etc/hostname /dev/vda1 50.0G 7.6G 42.4G 15% /etc/hosts /dev/vda1 50.0G 7.6G 42.4G 15% /var/log/sa /dev/vda1 50.0G 7.6G 42.4G 15% /w/workspace/gexfoundry_device-mqtt-go_master /dev/vda1 50.0G 7.6G 42.4G 15% /w/workspace/gexfoundry_device-mqtt-go_master@tmp ---> free -m: total used free shared buff/cache available Mem: 1838 742 80 0 1014 1031 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 24: eth0@if25: 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) 05/13/20 _x86_64_ (4 CPU) 14:55:02 LINUX RESTART 14:56:01 tps rtps wtps bread/s bwrtn/s 14:57:01 9.29 0.00 9.29 0.00 2100.15 14:58:02 0.65 0.00 0.65 0.00 8.89 14:59:01 0.19 0.00 0.19 0.00 2.32 15:00:01 0.28 0.00 0.28 0.00 3.70 15:01:01 0.28 0.02 0.27 0.13 3.75 15:02:01 0.57 0.13 0.43 2.66 7.96 15:03:01 0.25 0.00 0.25 0.00 2.43 15:04:01 0.17 0.00 0.17 0.00 1.48 15:05:01 0.25 0.00 0.25 0.00 3.75 15:06:01 0.28 0.00 0.28 0.00 3.17 15:07:01 220.65 119.58 101.07 4447.55 31379.50 15:08:01 218.65 84.63 134.02 5513.29 34462.45 Average: 37.69 17.06 20.63 831.71 5674.51 14:56:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:57:01 125464 1756840 93.33 2620 1217452 902328 30.79 426536 1168384 8 14:58:02 125772 1756532 93.32 2620 1217460 901300 30.75 426784 1168008 8 14:59:01 124488 1757816 93.39 2620 1217468 901492 30.76 429312 1166656 12 15:00:01 125732 1756572 93.32 2620 1217468 901300 30.75 428184 1166656 12 15:01:01 124148 1758156 93.40 2620 1217476 904156 30.85 429528 1166656 8 15:02:01 125276 1757028 93.34 2620 1217636 901808 30.77 428544 1166744 12 15:03:01 128912 1753392 93.15 2620 1217636 901808 30.77 424844 1166744 8 15:04:01 128972 1753332 93.15 2620 1217644 901872 30.77 424744 1166744 20 15:05:01 128104 1754200 93.19 2620 1217648 902064 30.78 425900 1166744 8 15:06:01 142132 1740172 92.45 2620 1217652 901944 30.77 412756 1165588 8 15:07:01 114844 1767460 93.90 2620 1148896 995928 33.98 523680 1050884 19452 15:08:01 52388 1829916 97.22 2552 1094396 1132764 38.65 619840 928452 33728 Average: 120519 1761785 93.60 2614 1201569 929064 31.70 450054 1137355 4440 14:56:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 14:57:01 eth0 0.72 0.10 0.05 0.01 0.00 0.00 0.00 14:57:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:57:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:58:02 eth0 0.48 0.08 0.05 0.01 0.00 0.00 0.00 14:58:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:58:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:59:01 eth0 1.19 0.66 0.59 0.41 0.00 0.00 0.00 14:59:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:59:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:00:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 15:00:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:01:01 eth0 0.22 0.13 0.14 0.07 0.00 0.00 0.00 15:01:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:01:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:02:01 eth0 0.08 0.07 0.01 0.01 0.00 0.00 0.00 15:02:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:02:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:03:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 15:03:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:03:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:04:01 eth0 0.42 0.08 0.04 0.01 0.00 0.00 0.00 15:04:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:04:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:05:01 eth0 0.52 0.47 0.27 0.21 0.00 0.00 0.00 15:05:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:05:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:06:01 eth0 0.32 0.23 0.14 0.07 0.00 0.00 0.00 15:06:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:06:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:07:01 eth0 222.48 181.20 4050.75 44.16 0.00 0.00 0.00 15:07:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:07:01 docker0 24.41 23.99 2.94 80.31 0.00 0.00 0.00 15:08:01 eth0 317.52 262.19 5691.32 114.06 0.00 0.00 0.00 15:08:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:08:01 docker0 20.86 22.33 1.36 124.44 0.00 0.00 0.00 Average: eth0 45.42 37.18 813.32 13.27 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 3.78 3.87 0.36 17.09 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) 05/13/20 _x86_64_ (4 CPU) 14:55:02 LINUX RESTART 14:56:01 CPU %user %nice %system %iowait %steal %idle 14:57:01 all 0.22 0.00 0.09 0.00 0.00 99.69 14:57:01 0 0.08 0.00 0.08 0.00 0.00 99.83 14:57:01 1 0.13 0.00 0.05 0.00 0.00 99.82 14:57:01 2 0.10 0.00 0.08 0.00 0.00 99.82 14:57:01 3 0.58 0.00 0.15 0.00 0.00 99.27 14:58:02 all 0.18 0.00 0.05 0.00 0.00 99.76 14:58:02 0 0.05 0.00 0.05 0.00 0.00 99.90 14:58:02 1 0.05 0.00 0.05 0.00 0.00 99.90 14:58:02 2 0.50 0.00 0.07 0.00 0.02 99.42 14:58:02 3 0.13 0.00 0.03 0.00 0.02 99.82 14:59:01 all 0.18 0.00 0.05 0.00 0.00 99.77 14:59:01 0 0.08 0.00 0.07 0.00 0.00 99.85 14:59:01 1 0.07 0.00 0.02 0.00 0.02 99.90 14:59:01 2 0.53 0.00 0.07 0.00 0.00 99.41 14:59:01 3 0.03 0.00 0.07 0.00 0.00 99.90 15:00:01 all 0.18 0.00 0.04 0.00 0.00 99.77 15:00:01 0 0.07 0.00 0.05 0.00 0.00 99.88 15:00:01 1 0.07 0.00 0.05 0.00 0.00 99.88 15:00:01 2 0.53 0.00 0.02 0.00 0.00 99.45 15:00:01 3 0.08 0.00 0.05 0.00 0.00 99.87 15:01:01 all 0.18 0.00 0.05 0.00 0.00 99.77 15:01:01 0 0.05 0.00 0.03 0.00 0.00 99.92 15:01:01 1 0.07 0.00 0.07 0.00 0.00 99.87 15:01:01 2 0.57 0.00 0.05 0.00 0.00 99.38 15:01:01 3 0.02 0.00 0.02 0.00 0.00 99.97 15:02:01 all 0.17 0.00 0.05 0.00 0.00 99.77 15:02:01 0 0.05 0.00 0.02 0.00 0.00 99.93 15:02:01 1 0.05 0.00 0.08 0.00 0.00 99.87 15:02:01 2 0.48 0.00 0.05 0.00 0.00 99.47 15:02:01 3 0.12 0.00 0.08 0.00 0.00 99.80 15:03:01 all 0.09 0.00 0.05 0.00 0.00 99.86 15:03:01 0 0.05 0.00 0.03 0.00 0.00 99.92 15:03:01 1 0.05 0.00 0.03 0.00 0.00 99.92 15:03:01 2 0.20 0.00 0.07 0.00 0.00 99.73 15:03:01 3 0.05 0.00 0.05 0.00 0.00 99.90 15:04:01 all 0.18 0.00 0.05 0.00 0.00 99.76 15:04:01 0 0.02 0.00 0.03 0.00 0.00 99.95 15:04:01 1 0.07 0.00 0.05 0.00 0.00 99.88 15:04:01 2 0.57 0.00 0.08 0.00 0.00 99.35 15:04:01 3 0.07 0.00 0.08 0.00 0.00 99.85 15:05:01 all 0.16 0.00 0.05 0.00 0.00 99.79 15:05:01 0 0.03 0.00 0.05 0.00 0.00 99.92 15:05:01 1 0.38 0.00 0.05 0.00 0.00 99.57 15:05:01 2 0.20 0.00 0.07 0.00 0.00 99.73 15:05:01 3 0.03 0.00 0.03 0.00 0.00 99.93 15:06:01 all 0.18 0.00 0.05 0.00 0.00 99.78 15:06:01 0 0.03 0.00 0.02 0.00 0.02 99.93 15:06:01 1 0.08 0.00 0.05 0.02 0.00 99.85 15:06:01 2 0.52 0.00 0.07 0.00 0.00 99.42 15:06:01 3 0.05 0.00 0.05 0.00 0.00 99.90 15:07:01 all 9.78 0.00 5.13 3.00 0.04 82.05 15:07:01 0 10.08 0.00 5.61 3.45 0.03 80.83 15:07:01 1 9.43 0.00 4.77 2.92 0.05 82.82 15:07:01 2 9.51 0.00 5.24 1.62 0.05 83.58 15:07:01 3 10.15 0.00 4.90 4.00 0.02 80.94 15:08:01 all 12.16 0.00 7.04 3.44 0.03 77.34 15:08:01 0 12.24 0.00 8.49 4.58 0.02 74.68 15:08:01 1 12.23 0.00 6.55 2.42 0.02 78.78 15:08:01 2 13.50 0.00 6.39 3.87 0.03 76.20 15:08:01 3 10.63 0.00 6.70 2.90 0.03 79.74 Average: all 1.95 0.00 1.05 0.53 0.01 96.46 Average: 0 1.88 0.00 1.20 0.66 0.01 96.25 Average: 1 1.87 0.00 0.98 0.44 0.01 96.70 Average: 2 2.25 0.00 1.01 0.45 0.01 96.28 Average: 3 1.81 0.00 1.01 0.57 0.01 96.61