---> uname -a: Linux 19e0a3374eda 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: 2933.436 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 747 84 0 1006 1028 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) 04/21/20 _x86_64_ (4 CPU) 21:55:14 LINUX RESTART 21:56:01 tps rtps wtps bread/s bwrtn/s 21:57:01 24.77 6.71 18.06 1911.37 1998.25 21:58:01 2.50 0.00 2.50 0.00 83.53 21:59:01 0.60 0.00 0.60 0.00 7.69 22:00:01 0.17 0.00 0.17 0.00 2.31 22:01:01 0.33 0.02 0.32 0.13 4.21 22:02:01 0.48 0.12 0.37 2.13 7.54 22:03:01 0.27 0.00 0.27 0.00 2.96 22:04:02 0.15 0.00 0.15 0.00 1.88 22:05:01 0.30 0.00 0.30 0.00 3.27 22:06:01 0.28 0.00 0.28 0.00 3.43 22:07:01 0.20 0.00 0.20 0.00 2.02 22:08:01 201.85 110.00 91.84 4250.37 26585.98 22:09:01 177.43 43.53 133.89 2134.98 34650.57 Average: 31.53 12.36 19.18 639.33 4880.60 21:56:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:57:01 116684 1765620 93.80 2620 1222032 949044 32.38 434004 1167784 12 21:58:01 124776 1757528 93.37 2620 1222040 897168 30.61 427472 1167500 16 21:59:01 124432 1757872 93.39 2620 1222048 897248 30.61 427716 1167496 20 22:00:01 124704 1757600 93.37 2620 1222048 897272 30.61 427800 1167496 16 22:01:01 122800 1759504 93.48 2620 1222056 900152 30.71 428888 1167496 20 22:02:01 124872 1757432 93.37 2620 1222200 897672 30.63 427292 1167564 12 22:03:01 138004 1744300 92.67 2620 1222200 897848 30.63 413912 1167452 20 22:04:02 138944 1743360 92.62 2620 1222208 897740 30.63 413452 1167456 12 22:05:01 138208 1744096 92.66 2620 1222212 897872 30.63 414220 1167452 16 22:06:01 140836 1741468 92.52 2620 1222216 897972 30.64 411004 1167452 8 22:07:01 141996 1740308 92.46 2620 1222220 897840 30.63 410216 1167452 8 22:08:01 161628 1720676 91.41 2620 1131204 987416 33.69 510660 1019172 82616 22:09:01 257272 1625032 86.33 2620 914816 1046176 35.69 560000 784880 104 Average: 142704 1739600 92.42 2620 1191500 920109 31.39 438972 1126666 6375 21:56:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 21:57:01 eth0 52.07 38.80 336.29 30.72 0.00 0.00 0.00 21:57:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:57:01 docker0 1.46 1.25 0.27 3.12 0.00 0.00 0.00 21:58:01 eth0 1.91 0.37 0.37 0.20 0.00 0.00 0.00 21:58:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:58:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:59:01 eth0 2.31 0.65 0.75 0.37 0.00 0.00 0.00 21:59:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:59:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:00:01 eth0 1.20 0.35 0.33 0.23 0.00 0.00 0.00 22:00:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:01:01 eth0 1.38 0.68 0.72 0.46 0.00 0.00 0.00 22:01:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:01:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:02:01 eth0 0.18 0.08 0.01 0.01 0.00 0.00 0.00 22:02:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:02:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:03:01 eth0 0.97 0.28 0.31 0.17 0.00 0.00 0.00 22:03:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:03:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:04:02 eth0 0.10 0.08 0.01 0.04 0.00 0.00 0.00 22:04:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:04:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:05:01 eth0 0.90 0.29 0.31 0.17 0.00 0.00 0.00 22:05:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:05:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:06:01 eth0 0.95 0.38 0.38 0.29 0.00 0.00 0.00 22:06:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:06:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:07:01 eth0 0.20 0.17 0.07 0.01 0.00 0.00 0.00 22:07:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:07:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:08:01 eth0 207.56 166.91 3760.46 28.65 0.00 0.00 0.00 22:08:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:08:01 veth1b458f7 0.00 0.02 0.00 0.00 0.00 0.00 0.00 22:08:01 docker0 29.57 23.57 3.56 82.42 0.00 0.00 0.00 22:09:01 veth123e185 1.86 1.32 0.27 0.22 0.00 0.00 0.00 22:09:01 eth0 820.88 615.37 8330.75 237.46 0.00 0.00 0.00 22:09:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 22:09:01 docker0 48.33 50.29 3.14 266.23 0.00 0.00 0.00 Average: veth123e185 0.14 0.10 0.02 0.02 0.00 0.00 0.00 Average: eth0 63.24 47.41 641.78 18.29 0.00 0.00 0.00 Average: lo 0.01 0.01 0.00 0.00 0.00 0.00 0.00 Average: docker0 6.00 5.69 0.52 26.86 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) 04/21/20 _x86_64_ (4 CPU) 21:55:14 LINUX RESTART 21:56:01 CPU %user %nice %system %iowait %steal %idle 21:57:01 all 2.87 0.00 1.73 0.35 0.94 94.11 21:57:01 0 3.04 0.00 1.70 0.97 0.83 93.46 21:57:01 1 2.75 0.00 1.75 0.12 0.85 94.52 21:57:01 2 2.59 0.00 1.69 0.25 0.98 94.49 21:57:01 3 3.09 0.00 1.80 0.07 1.07 93.97 21:58:01 all 0.16 0.00 0.05 0.00 0.10 99.68 21:58:01 0 0.08 0.00 0.05 0.00 0.17 99.70 21:58:01 1 0.42 0.00 0.03 0.00 0.10 99.45 21:58:01 2 0.10 0.00 0.08 0.00 0.12 99.70 21:58:01 3 0.05 0.00 0.05 0.00 0.07 99.83 21:59:01 all 0.17 0.00 0.06 0.00 0.10 99.67 21:59:01 0 0.03 0.00 0.03 0.00 0.12 99.82 21:59:01 1 0.45 0.00 0.03 0.00 0.05 99.47 21:59:01 2 0.10 0.00 0.07 0.00 0.08 99.75 21:59:01 3 0.08 0.00 0.10 0.00 0.13 99.68 22:00:01 all 0.16 0.00 0.05 0.00 0.05 99.75 22:00:01 0 0.03 0.00 0.02 0.00 0.05 99.90 22:00:01 1 0.48 0.00 0.05 0.00 0.05 99.42 22:00:01 2 0.08 0.00 0.07 0.00 0.08 99.77 22:00:01 3 0.07 0.00 0.03 0.00 0.02 99.88 22:01:01 all 0.16 0.00 0.05 0.00 0.20 99.59 22:01:01 0 0.05 0.00 0.05 0.00 0.10 99.80 22:01:01 1 0.45 0.00 0.05 0.00 0.25 99.25 22:01:01 2 0.08 0.00 0.07 0.02 0.25 99.58 22:01:01 3 0.07 0.00 0.05 0.00 0.18 99.70 22:02:01 all 0.15 0.00 0.05 0.00 0.25 99.56 22:02:01 0 0.03 0.00 0.07 0.00 0.12 99.78 22:02:01 1 0.43 0.00 0.02 0.00 0.17 99.38 22:02:01 2 0.07 0.00 0.07 0.00 0.32 99.55 22:02:01 3 0.05 0.00 0.07 0.00 0.38 99.50 22:03:01 all 0.16 0.00 0.05 0.00 0.07 99.73 22:03:01 0 0.27 0.00 0.05 0.00 0.03 99.65 22:03:01 1 0.20 0.00 0.05 0.00 0.02 99.73 22:03:01 2 0.07 0.00 0.05 0.00 0.05 99.83 22:03:01 3 0.12 0.00 0.07 0.00 0.17 99.65 22:04:02 all 0.08 0.00 0.05 0.00 0.08 99.79 22:04:02 0 0.13 0.00 0.05 0.00 0.03 99.78 22:04:02 1 0.02 0.00 0.03 0.00 0.05 99.90 22:04:02 2 0.10 0.00 0.05 0.00 0.17 99.68 22:04:02 3 0.05 0.00 0.07 0.00 0.07 99.82 22:05:01 all 0.16 0.00 0.05 0.00 0.06 99.74 22:05:01 0 0.44 0.00 0.03 0.00 0.03 99.49 22:05:01 1 0.05 0.00 0.05 0.00 0.07 99.83 22:05:01 2 0.08 0.00 0.07 0.00 0.03 99.81 22:05:01 3 0.07 0.00 0.05 0.00 0.05 99.83 22:06:01 all 0.15 0.00 0.04 0.00 0.11 99.69 22:06:01 0 0.43 0.00 0.02 0.00 0.08 99.47 22:06:01 1 0.05 0.00 0.03 0.00 0.20 99.72 22:06:01 2 0.08 0.00 0.05 0.00 0.05 99.82 22:06:01 3 0.03 0.00 0.05 0.00 0.13 99.78 22:07:01 all 0.20 0.00 0.04 0.00 0.01 99.75 22:07:01 0 0.48 0.00 0.00 0.00 0.00 99.52 22:07:01 1 0.20 0.00 0.05 0.00 0.03 99.72 22:07:01 2 0.03 0.00 0.03 0.00 0.03 99.90 22:07:01 3 0.08 0.00 0.05 0.00 0.00 99.87 22:08:01 all 8.99 0.00 5.59 1.88 0.77 82.77 22:08:01 0 9.12 0.00 5.86 2.94 0.68 81.39 22:08:01 1 8.19 0.00 5.08 1.12 0.86 84.75 22:08:01 2 9.42 0.00 5.67 1.42 0.83 82.66 22:08:01 3 9.26 0.00 5.75 2.08 0.68 82.24 22:09:01 all 13.07 0.00 8.41 1.63 0.70 76.19 22:09:01 0 10.87 0.00 8.93 0.77 0.72 78.72 22:09:01 1 16.29 0.00 8.25 3.60 0.65 71.21 22:09:01 2 12.62 0.00 8.72 1.39 0.70 76.57 22:09:01 3 12.51 0.00 7.70 0.74 0.72 78.33 Average: all 2.01 0.00 1.23 0.29 0.26 96.21 Average: 0 1.90 0.00 1.27 0.36 0.23 96.25 Average: 1 2.28 0.00 1.17 0.37 0.26 95.93 Average: 2 1.93 0.00 1.26 0.23 0.28 96.29 Average: 3 1.93 0.00 1.20 0.22 0.28 96.37