---> uname -a: Linux cb52980dc909 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 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% /w/workspace/gexfoundry_device-mqtt-go_master /dev/vda1 50.0G 7.5G 42.5G 15% /w/workspace/gexfoundry_device-mqtt-go_master@tmp /dev/vda1 50.0G 7.5G 42.5G 15% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1838 750 90 0 997 1023 Swap: 1023 2 1021 ---> 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) 02/21/20 _x86_64_ (4 CPU) 03:57:59 LINUX RESTART 03:59:02 tps rtps wtps bread/s bwrtn/s 04:00:01 8.59 0.00 8.59 0.00 1750.77 04:01:01 0.33 0.05 0.28 0.67 3.46 04:02:01 0.48 0.10 0.38 2.13 6.91 04:03:01 0.30 0.00 0.30 0.00 3.88 04:04:01 0.33 0.00 0.33 0.00 4.28 04:05:01 0.28 0.00 0.28 0.00 3.26 04:06:01 0.66 0.00 0.66 0.00 6.71 04:07:01 30.55 2.78 27.77 319.76 15868.10 04:08:01 265.82 123.85 141.97 4892.26 34698.72 Average: 34.28 14.15 20.13 581.89 5837.09 03:59:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 04:00:01 113516 1768788 93.97 2620 1231996 953116 32.52 422284 1188672 20 04:01:01 115620 1766684 93.86 2620 1232000 936904 31.97 421408 1187600 20 04:02:01 117940 1764364 93.73 2620 1232160 914228 31.19 420064 1187344 16 04:03:01 118808 1763496 93.69 2620 1232164 914060 31.19 419068 1187344 12 04:04:01 118416 1763888 93.71 2620 1232168 914120 31.19 419500 1187344 8 04:05:01 117704 1764600 93.75 2620 1232176 914240 31.19 420364 1187340 8 04:06:01 125812 1756492 93.32 2620 1232176 914060 31.19 412172 1187340 8 04:07:01 76152 1806152 95.95 2620 1218800 1124032 38.35 533768 1092792 71652 04:08:01 82652 1799652 95.61 2620 1094364 1139732 38.89 605660 944124 58480 Average: 109624 1772680 94.18 2620 1215334 969388 33.08 452699 1149989 14469 03:59:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 04:00:01 eth0 7.43 3.73 6.62 0.61 0.00 0.00 0.00 04:00:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:01:01 eth0 2.00 0.55 0.62 0.42 0.00 0.00 0.00 04:01:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:01:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:02:01 eth0 0.45 0.28 0.27 0.17 0.00 0.00 0.00 04:02:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:02:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:03:01 eth0 0.13 0.10 0.01 0.04 0.00 0.00 0.00 04:03:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:03:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:04:01 eth0 0.58 0.15 0.12 0.07 0.00 0.00 0.00 04:04:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:04:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:05:01 eth0 0.97 0.52 0.59 0.39 0.00 0.00 0.00 04:05:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:05:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:06:01 eth0 0.08 0.07 0.01 0.01 0.00 0.00 0.00 04:06:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:06:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:07:01 eth0 123.59 105.74 3467.10 10.79 0.00 0.00 0.00 04:07:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:07:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:08:01 eth0 257.03 218.79 3922.61 83.84 0.00 0.00 0.00 04:08:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:08:01 docker0 33.33 28.91 3.31 294.16 0.00 0.00 0.00 Average: eth0 43.75 36.80 825.36 10.75 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 3.72 3.23 0.37 32.82 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) 02/21/20 _x86_64_ (4 CPU) 03:57:59 LINUX RESTART 03:59:02 CPU %user %nice %system %iowait %steal %idle 04:00:01 all 0.24 0.00 0.14 0.00 0.00 99.62 04:00:01 0 0.12 0.00 0.17 0.00 0.02 99.69 04:00:01 1 0.14 0.00 0.08 0.00 0.00 99.78 04:00:01 2 0.08 0.00 0.08 0.00 0.02 99.81 04:00:01 3 0.59 0.00 0.20 0.00 0.00 99.20 04:01:01 all 0.13 0.00 0.08 0.00 0.00 99.79 04:01:01 0 0.28 0.00 0.10 0.00 0.00 99.62 04:01:01 1 0.07 0.00 0.07 0.02 0.00 99.85 04:01:01 2 0.13 0.00 0.10 0.00 0.00 99.77 04:01:01 3 0.08 0.00 0.05 0.00 0.02 99.85 04:02:01 all 0.10 0.00 0.07 0.00 0.00 99.82 04:02:01 0 0.18 0.00 0.07 0.02 0.00 99.73 04:02:01 1 0.07 0.00 0.05 0.00 0.00 99.88 04:02:01 2 0.08 0.00 0.08 0.00 0.00 99.83 04:02:01 3 0.05 0.00 0.07 0.00 0.00 99.88 04:03:01 all 0.17 0.00 0.05 0.00 0.00 99.77 04:03:01 0 0.52 0.00 0.03 0.00 0.00 99.45 04:03:01 1 0.05 0.00 0.03 0.00 0.00 99.92 04:03:01 2 0.07 0.00 0.08 0.00 0.02 99.83 04:03:01 3 0.07 0.00 0.07 0.00 0.00 99.87 04:04:01 all 0.18 0.00 0.04 0.00 0.00 99.77 04:04:01 0 0.52 0.00 0.03 0.00 0.00 99.45 04:04:01 1 0.07 0.00 0.05 0.00 0.00 99.88 04:04:01 2 0.07 0.00 0.03 0.00 0.00 99.90 04:04:01 3 0.07 0.00 0.05 0.00 0.00 99.88 04:05:01 all 0.22 0.00 0.06 0.00 0.00 99.72 04:05:01 0 0.08 0.00 0.07 0.00 0.00 99.85 04:05:01 1 0.13 0.00 0.05 0.00 0.00 99.82 04:05:01 2 0.30 0.00 0.07 0.00 0.00 99.63 04:05:01 3 0.37 0.00 0.05 0.00 0.00 99.58 04:06:01 all 0.18 0.00 0.05 0.00 0.00 99.77 04:06:01 0 0.05 0.00 0.03 0.00 0.00 99.92 04:06:01 1 0.05 0.00 0.07 0.00 0.00 99.88 04:06:01 2 0.54 0.00 0.07 0.00 0.00 99.39 04:06:01 3 0.05 0.00 0.05 0.00 0.00 99.90 04:07:01 all 3.75 0.00 2.37 0.05 0.02 93.81 04:07:01 0 3.59 0.00 2.40 0.03 0.02 93.96 04:07:01 1 3.33 0.00 2.64 0.02 0.03 93.98 04:07:01 2 4.30 0.00 2.34 0.12 0.03 93.21 04:07:01 3 3.82 0.00 2.09 0.00 0.02 94.08 04:08:01 all 13.34 0.00 8.13 5.54 0.09 72.90 04:08:01 0 13.45 0.00 8.41 5.50 0.07 72.58 04:08:01 1 12.93 0.00 7.85 5.65 0.08 73.49 04:08:01 2 13.12 0.00 7.67 7.67 0.09 71.46 04:08:01 3 13.86 0.00 8.62 3.37 0.10 74.05 Average: all 2.02 0.00 1.21 0.61 0.01 96.15 Average: 0 2.07 0.00 1.24 0.61 0.01 96.07 Average: 1 1.85 0.00 1.20 0.62 0.01 96.31 Average: 2 2.06 0.00 1.16 0.85 0.02 95.91 Average: 3 2.09 0.00 1.24 0.37 0.01 96.29