---> uname -a: Linux 407c80b6748e 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 6.3G 43.7G 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 6.3G 43.7G 13% /etc/resolv.conf /dev/vda1 50.0G 6.3G 43.7G 13% /etc/hostname /dev/vda1 50.0G 6.3G 43.7G 13% /etc/hosts /dev/vda1 50.0G 6.3G 43.7G 13% /w/workspace/gexfoundry_device-mqtt-go_PR-139 /dev/vda1 50.0G 6.3G 43.7G 13% /w/workspace/gexfoundry_device-mqtt-go_PR-139@tmp /dev/vda1 50.0G 6.3G 43.7G 13% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1838 593 75 0 1169 1139 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 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) 17:09:53 LINUX RESTART 17:11:02 tps rtps wtps bread/s bwrtn/s 17:12:01 40.56 9.89 30.67 2230.23 2358.94 17:13:01 3.81 0.00 3.81 0.00 112.05 17:14:01 0.32 0.00 0.32 0.00 4.01 17:15:01 0.23 0.00 0.23 0.00 3.10 17:16:01 0.27 0.00 0.27 0.00 4.91 17:17:02 0.33 0.00 0.33 0.00 4.05 17:18:01 0.25 0.00 0.25 0.00 2.61 17:19:01 0.27 0.00 0.27 0.00 2.80 17:20:01 0.28 0.00 0.28 0.00 3.21 17:21:01 0.33 0.00 0.33 0.00 4.50 17:22:01 0.27 0.00 0.27 0.00 3.33 17:23:01 0.25 0.00 0.25 0.00 3.19 17:24:01 46.95 46.54 0.41 3179.98 13.87 Average: 7.22 4.35 2.87 415.44 191.47 17:11:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:12:01 121036 1761268 93.57 2620 1218760 994828 33.94 417708 1177380 372 17:13:01 137580 1744724 92.69 2620 1218768 900432 30.72 408524 1174060 16 17:14:01 136736 1745568 92.74 2620 1218772 900724 30.73 409960 1174032 20 17:15:01 137800 1744504 92.68 2620 1218772 900496 30.72 408800 1174032 16 17:16:01 136684 1745620 92.74 2620 1218784 900712 30.73 409996 1174032 8 17:17:02 137732 1744572 92.68 2620 1218788 900496 30.72 408716 1174032 8 17:18:01 138708 1743596 92.63 2620 1218792 900496 30.72 408200 1173856 8 17:19:01 138792 1743512 92.63 2620 1218796 900496 30.72 408348 1173852 8 17:20:01 138832 1743472 92.62 2620 1218804 900496 30.72 408236 1173852 8 17:21:01 150724 1731580 91.99 2620 1218808 900592 30.73 396428 1173420 8 17:22:01 150724 1731580 91.99 2620 1218808 900604 30.73 396532 1173420 8 17:23:01 153224 1729080 91.86 2620 1218876 900496 30.72 393896 1173328 20 17:24:01 89816 1792488 95.23 2620 1262008 980496 33.45 410516 1219572 14432 Average: 136030 1746274 92.77 2620 1222118 913951 31.18 406605 1177605 1149 17:11:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 17:12:01 eth0 78.66 71.09 475.69 51.43 0.00 0.00 0.00 17:12:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:12:01 docker0 2.01 1.74 0.29 3.18 0.00 0.00 0.00 17:13:01 eth0 0.15 0.12 0.01 0.03 0.00 0.00 0.00 17:13:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:13:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:14:01 eth0 0.83 0.43 0.30 0.18 0.00 0.00 0.00 17:14:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:14:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:15:01 eth0 0.78 0.08 0.07 0.04 0.00 0.00 0.00 17:15:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:15:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:16:01 eth0 0.60 0.40 0.40 0.26 0.00 0.00 0.00 17:16:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:16:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:17:02 eth0 0.10 0.10 0.01 0.01 0.00 0.00 0.00 17:17:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:17:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:18:01 eth0 0.05 0.03 0.00 0.00 0.00 0.00 0.00 17:18:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:18:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:19:01 eth0 0.07 0.07 0.00 0.01 0.00 0.00 0.00 17:19:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:19:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:20:01 eth0 0.32 0.08 0.02 0.01 0.00 0.00 0.00 17:20:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:21:01 eth0 0.93 0.25 0.20 0.08 0.00 0.00 0.00 17:21:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:21:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:22:01 eth0 0.48 0.37 0.28 0.20 0.00 0.00 0.00 17:22:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:22:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:23:01 eth0 0.10 0.08 0.01 0.02 0.00 0.00 0.00 17:23:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:23:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:24:01 eth0 25.01 19.19 200.00 4.30 0.00 0.00 0.00 17:24:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:24:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 8.25 7.04 51.68 4.30 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.15 0.13 0.02 0.24 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) 17:09:53 LINUX RESTART 17:11:02 CPU %user %nice %system %iowait %steal %idle 17:12:01 all 2.88 0.00 2.53 1.06 19.93 73.59 17:12:01 0 2.64 0.00 2.57 0.29 21.13 73.38 17:12:01 1 2.83 0.00 2.49 0.54 19.26 74.88 17:12:01 2 3.32 0.00 2.86 1.50 20.02 72.30 17:12:01 3 2.74 0.00 2.21 1.96 19.28 73.81 17:13:01 all 0.10 0.00 0.19 0.00 1.90 97.81 17:13:01 0 0.02 0.00 0.21 0.00 2.12 97.65 17:13:01 1 0.13 0.00 0.16 0.00 2.02 97.68 17:13:01 2 0.20 0.00 0.23 0.00 1.86 97.71 17:13:01 3 0.03 0.00 0.13 0.00 1.57 98.27 17:14:01 all 0.13 0.00 0.06 0.00 0.32 99.49 17:14:01 0 0.10 0.00 0.05 0.00 0.28 99.57 17:14:01 1 0.08 0.00 0.05 0.00 0.60 99.27 17:14:01 2 0.33 0.00 0.12 0.00 0.28 99.27 17:14:01 3 0.03 0.00 0.02 0.00 0.13 99.82 17:15:01 all 0.12 0.00 0.04 0.00 0.20 99.65 17:15:01 0 0.03 0.00 0.02 0.00 0.05 99.90 17:15:01 1 0.07 0.00 0.05 0.00 0.43 99.45 17:15:01 2 0.33 0.00 0.05 0.00 0.10 99.52 17:15:01 3 0.02 0.00 0.03 0.00 0.20 99.75 17:16:01 all 0.11 0.00 0.04 0.00 1.26 98.58 17:16:01 0 0.07 0.00 0.05 0.00 0.58 99.31 17:16:01 1 0.07 0.00 0.05 0.00 1.90 97.99 17:16:01 2 0.26 0.00 0.03 0.00 1.12 98.58 17:16:01 3 0.05 0.00 0.05 0.00 1.44 98.46 17:17:02 all 0.08 0.00 0.03 0.00 0.76 99.13 17:17:02 0 0.03 0.00 0.03 0.00 0.27 99.67 17:17:02 1 0.02 0.00 0.02 0.00 0.43 99.53 17:17:02 2 0.07 0.00 0.02 0.00 0.58 99.34 17:17:02 3 0.20 0.00 0.03 0.00 1.75 98.02 17:18:01 all 0.14 0.00 0.03 0.00 0.26 99.57 17:18:01 0 0.05 0.00 0.03 0.00 0.08 99.83 17:18:01 1 0.05 0.00 0.03 0.00 0.72 99.19 17:18:01 2 0.05 0.00 0.05 0.00 0.08 99.81 17:18:01 3 0.39 0.00 0.02 0.00 0.15 99.44 17:19:01 all 0.12 0.00 0.03 0.00 0.15 99.69 17:19:01 0 0.03 0.00 0.02 0.00 0.05 99.90 17:19:01 1 0.08 0.00 0.05 0.00 0.23 99.63 17:19:01 2 0.05 0.00 0.03 0.00 0.17 99.75 17:19:01 3 0.37 0.00 0.03 0.00 0.17 99.43 17:20:01 all 0.10 0.00 0.03 0.00 0.35 99.53 17:20:01 0 0.03 0.00 0.02 0.00 0.20 99.75 17:20:01 1 0.05 0.00 0.03 0.00 0.28 99.63 17:20:01 2 0.02 0.00 0.02 0.00 0.43 99.53 17:20:01 3 0.25 0.00 0.05 0.00 0.45 99.25 17:21:01 all 0.10 0.00 0.02 0.00 0.27 99.60 17:21:01 0 0.03 0.00 0.03 0.00 0.20 99.73 17:21:01 1 0.05 0.00 0.03 0.00 0.20 99.72 17:21:01 2 0.03 0.00 0.02 0.00 0.27 99.68 17:21:01 3 0.30 0.00 0.03 0.00 0.43 99.23 17:22:01 all 0.10 0.00 0.03 0.00 0.14 99.72 17:22:01 0 0.02 0.00 0.03 0.00 0.20 99.75 17:22:01 1 0.10 0.00 0.05 0.00 0.15 99.70 17:22:01 2 0.08 0.00 0.03 0.00 0.07 99.82 17:22:01 3 0.18 0.00 0.03 0.00 0.17 99.62 17:23:01 all 0.08 0.00 0.03 0.00 0.69 99.20 17:23:01 0 0.03 0.00 0.02 0.00 0.61 99.34 17:23:01 1 0.27 0.00 0.07 0.00 0.60 99.07 17:23:01 2 0.03 0.00 0.03 0.00 1.29 98.65 17:23:01 3 0.02 0.00 0.02 0.00 0.25 99.72 17:24:01 all 0.75 0.00 0.31 2.48 4.54 91.92 17:24:01 0 1.70 0.00 0.44 6.57 5.93 85.37 17:24:01 1 0.41 0.00 0.28 1.40 3.82 94.10 17:24:01 2 0.48 0.00 0.24 0.26 4.78 94.23 17:24:01 3 0.41 0.00 0.26 1.68 3.61 94.05 Average: all 0.39 0.00 0.28 0.28 2.49 96.56 Average: 0 0.39 0.00 0.29 0.54 2.60 96.18 Average: 1 0.34 0.00 0.27 0.15 2.47 96.77 Average: 2 0.43 0.00 0.31 0.15 2.53 96.59 Average: 3 0.40 0.00 0.24 0.29 2.38 96.70