---> uname -a: Linux 65bc1bd9f606 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-135 /dev/vda1 50.0G 6.3G 43.7G 13% /w/workspace/gexfoundry_device-mqtt-go_PR-135@tmp /dev/vda1 50.0G 6.3G 43.7G 13% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1838 596 66 0 1176 1138 Swap: 1023 0 1023 ---> 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) 02/20/20 _x86_64_ (4 CPU) 09:21:12 LINUX RESTART 09:22:01 tps rtps wtps bread/s bwrtn/s 09:23:01 11.64 1.40 10.24 82.85 2654.46 09:24:02 2.53 0.00 2.53 0.00 85.16 09:25:01 0.32 0.00 0.32 0.00 4.88 09:26:01 0.32 0.00 0.32 0.00 3.48 09:27:01 0.23 0.00 0.23 0.00 3.51 09:28:01 0.32 0.00 0.32 0.00 4.23 09:29:01 0.32 0.00 0.32 0.00 3.35 09:30:01 0.23 0.00 0.23 0.00 3.33 09:31:01 0.28 0.00 0.28 0.00 3.61 Average: 1.80 0.16 1.65 9.23 307.99 09:22:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:23:01 111816 1770488 94.06 2620 1241628 924032 31.53 429748 1182056 12 09:24:02 115972 1766332 93.84 2620 1241632 907180 30.95 426600 1181748 20 09:25:01 117344 1764960 93.77 2620 1241640 906976 30.95 425428 1181752 12 09:26:01 115860 1766444 93.84 2620 1241640 907216 30.95 426832 1181748 16 09:27:01 116780 1765524 93.80 2620 1241644 907060 30.95 425960 1181748 12 09:28:01 117380 1764924 93.76 2620 1241652 906976 30.95 425628 1181748 12 09:29:01 122640 1759664 93.48 2620 1241652 906976 30.95 420196 1181744 8 09:30:01 122896 1759408 93.47 2620 1241660 906976 30.95 420208 1181744 12 09:31:01 122468 1759836 93.49 2620 1241668 906976 30.95 420384 1181744 8 Average: 118128 1764176 93.72 2620 1241646 908930 31.01 424554 1181781 12 09:22:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 09:23:01 eth0 11.02 8.86 7.67 10.44 0.00 0.00 0.00 09:23:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:23:01 docker0 0.00 0.02 0.00 0.00 0.00 0.00 0.00 09:24:02 eth0 0.87 0.37 0.41 0.17 0.00 0.00 0.00 09:24:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:24:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:25:01 eth0 0.78 0.03 0.06 0.03 0.00 0.00 0.00 09:25:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:25:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:26:01 eth0 0.47 0.42 0.27 0.21 0.00 0.00 0.00 09:26:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:26:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:27:01 eth0 0.32 0.25 0.14 0.08 0.00 0.00 0.00 09:27:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:27:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:28:01 eth0 0.07 0.07 0.01 0.01 0.00 0.00 0.00 09:28:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:28:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:29:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 09:29:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:29:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 09:30:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:31:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 09:31:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:31:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 1.54 1.14 0.96 1.22 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 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) 02/20/20 _x86_64_ (4 CPU) 09:21:12 LINUX RESTART 09:22:01 CPU %user %nice %system %iowait %steal %idle 09:23:01 all 0.69 0.00 0.22 0.03 0.00 99.06 09:23:01 0 0.58 0.00 0.15 0.00 0.00 99.27 09:23:01 1 1.00 0.00 0.18 0.02 0.00 98.80 09:23:01 2 0.57 0.00 0.25 0.05 0.00 99.13 09:23:01 3 0.63 0.00 0.30 0.03 0.00 99.03 09:24:02 all 0.20 0.00 0.05 0.00 0.00 99.75 09:24:02 0 0.03 0.00 0.03 0.00 0.00 99.93 09:24:02 1 0.07 0.00 0.07 0.00 0.00 99.87 09:24:02 2 0.08 0.00 0.07 0.00 0.00 99.85 09:24:02 3 0.58 0.00 0.07 0.00 0.00 99.35 09:25:01 all 0.17 0.00 0.04 0.00 0.00 99.78 09:25:01 0 0.41 0.00 0.03 0.00 0.00 99.56 09:25:01 1 0.05 0.00 0.05 0.00 0.00 99.90 09:25:01 2 0.05 0.00 0.02 0.00 0.00 99.93 09:25:01 3 0.19 0.00 0.07 0.00 0.00 99.75 09:26:01 all 0.18 0.00 0.04 0.00 0.00 99.78 09:26:01 0 0.53 0.00 0.05 0.00 0.00 99.42 09:26:01 1 0.05 0.00 0.03 0.00 0.00 99.92 09:26:01 2 0.05 0.00 0.02 0.00 0.00 99.93 09:26:01 3 0.07 0.00 0.03 0.00 0.02 99.88 09:27:01 all 0.19 0.00 0.04 0.00 0.00 99.77 09:27:01 0 0.53 0.00 0.03 0.00 0.02 99.42 09:27:01 1 0.10 0.00 0.07 0.00 0.00 99.83 09:27:01 2 0.05 0.00 0.03 0.00 0.00 99.92 09:27:01 3 0.08 0.00 0.05 0.00 0.00 99.87 09:28:01 all 0.18 0.00 0.03 0.00 0.00 99.79 09:28:01 0 0.17 0.00 0.03 0.00 0.00 99.80 09:28:01 1 0.17 0.00 0.07 0.00 0.02 99.75 09:28:01 2 0.33 0.00 0.02 0.00 0.00 99.65 09:28:01 3 0.03 0.00 0.03 0.00 0.00 99.93 09:29:01 all 0.13 0.00 0.05 0.00 0.00 99.82 09:29:01 0 0.37 0.00 0.10 0.00 0.00 99.53 09:29:01 1 0.08 0.00 0.05 0.00 0.00 99.87 09:29:01 2 0.03 0.00 0.03 0.00 0.00 99.93 09:29:01 3 0.03 0.00 0.03 0.00 0.00 99.93 09:30:01 all 0.07 0.00 0.05 0.00 0.00 99.88 09:30:01 0 0.08 0.00 0.05 0.00 0.00 99.87 09:30:01 1 0.07 0.00 0.03 0.00 0.00 99.90 09:30:01 2 0.08 0.00 0.05 0.00 0.00 99.87 09:30:01 3 0.07 0.00 0.03 0.00 0.00 99.90 09:31:01 all 0.06 0.00 0.04 0.00 0.00 99.90 09:31:01 0 0.03 0.00 0.02 0.00 0.00 99.95 09:31:01 1 0.05 0.00 0.03 0.00 0.00 99.92 09:31:01 2 0.07 0.00 0.02 0.00 0.00 99.92 09:31:01 3 0.10 0.00 0.07 0.00 0.00 99.83 Average: all 0.21 0.00 0.06 0.00 0.00 99.72 Average: 0 0.30 0.00 0.06 0.00 0.00 99.64 Average: 1 0.18 0.00 0.06 0.00 0.00 99.75 Average: 2 0.15 0.00 0.06 0.01 0.00 99.79 Average: 3 0.20 0.00 0.08 0.00 0.00 99.72