---> uname -a: Linux 0bd6b330ce61 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 7.6G 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% /w/workspace/gexfoundry_device-mqtt-go_master /dev/vda1 50.0G 7.6G 42.4G 15% /w/workspace/gexfoundry_device-mqtt-go_master@tmp /dev/vda1 50.0G 7.6G 42.4G 15% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1838 745 79 0 1013 1029 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) 03/26/20 _x86_64_ (4 CPU) 11:30:42 LINUX RESTART 11:31:01 tps rtps wtps bread/s bwrtn/s 11:32:01 119.54 44.79 74.75 4921.97 37203.01 11:33:01 8.37 0.00 8.37 0.00 1739.33 11:34:01 0.97 0.00 0.97 0.00 14.54 11:35:01 0.63 0.00 0.63 0.00 6.65 11:36:01 0.67 0.00 0.67 0.00 8.74 11:37:02 0.78 0.00 0.78 0.00 10.46 11:38:01 0.61 0.00 0.61 0.00 6.38 11:39:01 0.35 0.00 0.35 0.00 5.30 11:40:01 0.70 0.00 0.70 0.00 7.96 11:41:01 0.65 0.00 0.65 0.00 8.49 11:42:01 226.97 124.86 102.11 5233.14 29260.55 11:43:01 223.49 72.84 150.65 2892.48 35866.35 Average: 48.74 20.25 28.49 1089.25 8694.03 11:31:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:32:01 113848 1768456 93.95 2620 1227080 952080 32.48 435760 1175332 48740 11:33:01 121004 1761300 93.57 2620 1227204 905264 30.89 429008 1175256 16 11:34:01 119300 1763004 93.66 2620 1227212 905564 30.90 430604 1175244 8 11:35:01 121244 1761060 93.56 2620 1227212 905264 30.89 428988 1175244 8 11:36:01 120508 1761796 93.60 2620 1227224 905472 30.89 429928 1175244 8 11:37:02 119932 1762372 93.63 2620 1227228 905544 30.90 430252 1175244 8 11:38:01 121360 1760944 93.55 2620 1227232 905456 30.89 429080 1175240 8 11:39:01 121668 1760636 93.54 2620 1227236 905636 30.90 428444 1175224 8 11:40:01 123048 1759256 93.46 2620 1227244 905456 30.89 427344 1175228 8 11:41:01 137848 1744456 92.68 2620 1227248 905456 30.89 412600 1175224 8 11:42:01 216780 1665524 88.48 2620 1044452 1115064 38.05 543540 933764 19436 11:43:01 262812 1619492 86.04 2448 901376 1063352 36.28 561736 773404 108 Average: 141613 1740691 92.48 2606 1184829 939967 32.07 448940 1121637 5697 11:31:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 11:32:01 eth0 316.84 230.36 992.00 83.64 0.00 0.00 0.00 11:32:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:32:01 docker0 1.66 1.35 0.27 2.95 0.00 0.00 0.00 11:33:01 eth0 0.98 0.08 0.07 0.01 0.00 0.00 0.00 11:33:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:33:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:34:01 eth0 4.23 1.20 3.32 0.40 0.00 0.00 0.00 11:34:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:34:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:35:01 eth0 1.26 0.08 0.10 0.04 0.00 0.00 0.00 11:35:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:35:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:36:01 eth0 1.27 0.40 0.32 0.21 0.00 0.00 0.00 11:36:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:36:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:37:02 eth0 1.48 0.72 0.70 0.43 0.00 0.00 0.00 11:37:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:37:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:38:01 eth0 0.08 0.08 0.01 0.03 0.00 0.00 0.00 11:38:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:38:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:39:01 eth0 0.53 0.38 0.27 0.20 0.00 0.00 0.00 11:39:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:39:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:40:01 eth0 0.88 0.07 0.07 0.01 0.00 0.00 0.00 11:40:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:41:01 eth0 0.05 0.02 0.00 0.00 0.00 0.00 0.00 11:41:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:41:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:42:01 eth0 180.02 154.61 3982.91 31.26 0.00 0.00 0.00 11:42:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:42:01 vethc692a20 0.00 0.03 0.00 0.00 0.00 0.00 0.00 11:42:01 docker0 31.90 28.74 3.22 295.32 0.00 0.00 0.00 11:43:01 veth3a150c7 1.78 1.26 0.26 0.21 0.00 0.00 0.00 11:43:01 eth0 819.44 616.00 8777.98 233.18 0.00 0.00 0.00 11:43:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 11:43:01 docker0 63.74 98.10 3.47 254.45 0.00 0.00 0.00 Average: veth3a150c7 0.15 0.11 0.02 0.02 0.00 0.00 0.00 Average: eth0 68.44 51.45 733.09 19.47 0.00 0.00 0.00 Average: lo 0.01 0.01 0.00 0.00 0.00 0.00 0.00 Average: docker0 7.99 10.59 0.56 45.91 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) 03/26/20 _x86_64_ (4 CPU) 11:30:42 LINUX RESTART 11:31:01 CPU %user %nice %system %iowait %steal %idle 11:32:01 all 14.91 0.00 7.76 4.38 1.72 71.24 11:32:01 0 13.41 0.00 7.93 4.20 1.72 72.74 11:32:01 1 15.97 0.00 7.37 3.26 1.76 71.63 11:32:01 2 16.05 0.00 6.89 7.61 1.74 67.71 11:32:01 3 14.18 0.00 8.83 2.43 1.65 72.90 11:33:01 all 0.16 0.00 0.12 0.00 0.31 99.41 11:33:01 0 0.33 0.00 0.08 0.00 0.38 99.20 11:33:01 1 0.17 0.00 0.12 0.00 0.28 99.43 11:33:01 2 0.08 0.00 0.18 0.00 0.37 99.37 11:33:01 3 0.08 0.00 0.12 0.00 0.20 99.60 11:34:01 all 0.18 0.00 0.07 0.00 0.30 99.45 11:34:01 0 0.17 0.00 0.08 0.00 0.50 99.25 11:34:01 1 0.03 0.00 0.07 0.00 0.27 99.63 11:34:01 2 0.42 0.00 0.05 0.00 0.28 99.25 11:34:01 3 0.10 0.00 0.07 0.00 0.17 99.67 11:35:01 all 0.13 0.00 0.06 0.00 0.18 99.63 11:35:01 0 0.07 0.00 0.08 0.00 0.27 99.58 11:35:01 1 0.03 0.00 0.07 0.00 0.08 99.82 11:35:01 2 0.37 0.00 0.02 0.00 0.20 99.42 11:35:01 3 0.05 0.00 0.07 0.00 0.17 99.72 11:36:01 all 0.10 0.00 0.05 0.00 0.78 99.08 11:36:01 0 0.08 0.00 0.05 0.00 1.35 98.52 11:36:01 1 0.05 0.00 0.07 0.00 0.91 98.97 11:36:01 2 0.25 0.00 0.05 0.00 0.61 99.09 11:36:01 3 0.03 0.00 0.03 0.00 0.22 99.72 11:37:02 all 0.12 0.00 0.05 0.00 0.92 98.91 11:37:02 0 0.31 0.00 0.05 0.00 1.35 98.29 11:37:02 1 0.03 0.00 0.07 0.00 0.45 99.45 11:37:02 2 0.07 0.00 0.03 0.00 1.07 98.83 11:37:02 3 0.03 0.00 0.02 0.00 0.81 99.14 11:38:01 all 0.09 0.00 0.04 0.00 1.18 98.69 11:38:01 0 0.05 0.00 0.05 0.00 1.01 98.89 11:38:01 1 0.03 0.00 0.05 0.00 1.62 98.30 11:38:01 2 0.22 0.00 0.05 0.00 0.99 98.74 11:38:01 3 0.03 0.00 0.05 0.00 1.09 98.83 11:39:01 all 0.11 0.00 0.05 0.00 1.06 98.79 11:39:01 0 0.22 0.00 0.02 0.00 0.73 99.04 11:39:01 1 0.10 0.00 0.05 0.00 1.55 98.31 11:39:01 2 0.08 0.00 0.05 0.00 0.55 99.32 11:39:01 3 0.03 0.00 0.05 0.00 1.45 98.47 11:40:01 all 0.13 0.00 0.06 0.00 0.32 99.48 11:40:01 0 0.35 0.00 0.03 0.00 0.28 99.33 11:40:01 1 0.05 0.00 0.07 0.02 0.51 99.35 11:40:01 2 0.05 0.00 0.07 0.00 0.40 99.48 11:40:01 3 0.07 0.00 0.12 0.00 0.10 99.72 11:41:01 all 0.14 0.00 0.04 0.00 0.23 99.59 11:41:01 0 0.05 0.00 0.02 0.00 0.12 99.82 11:41:01 1 0.47 0.00 0.05 0.00 0.40 99.09 11:41:01 2 0.07 0.00 0.03 0.00 0.18 99.72 11:41:01 3 0.02 0.00 0.03 0.00 0.18 99.77 11:42:01 all 9.05 0.00 6.07 4.14 5.91 74.82 11:42:01 0 9.62 0.00 6.05 3.87 5.98 74.49 11:42:01 1 9.51 0.00 6.74 3.96 5.91 73.88 11:42:01 2 8.79 0.00 5.30 4.65 5.87 75.39 11:42:01 3 8.30 0.00 6.22 4.12 5.90 75.47 11:43:01 all 13.16 0.00 8.54 1.50 4.63 72.17 11:43:01 0 11.31 0.00 8.47 2.31 4.34 73.58 11:43:01 1 17.22 0.00 9.65 1.38 4.45 67.31 11:43:01 2 11.34 0.00 7.94 1.58 4.95 74.19 11:43:01 3 12.77 0.00 8.14 0.75 4.77 73.58 Average: all 3.15 0.00 1.88 0.83 1.45 92.69 Average: 0 2.95 0.00 1.88 0.85 1.49 92.83 Average: 1 3.59 0.00 2.00 0.71 1.51 92.19 Average: 2 3.12 0.00 1.71 1.14 1.43 92.61 Average: 3 2.93 0.00 1.95 0.60 1.38 93.13