---> uname -a: Linux ab460bb76e3e 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 6.4G 43.6G 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 6.4G 43.6G 13% /etc/resolv.conf /dev/vda1 50.0G 6.4G 43.6G 13% /etc/hostname /dev/vda1 50.0G 6.4G 43.6G 13% /etc/hosts /dev/vda1 50.0G 6.4G 43.6G 13% /w/workspace/gexfoundry_device-mqtt-go_PR-139@tmp /dev/vda1 50.0G 6.4G 43.6G 13% /var/log/sa /dev/vda1 50.0G 6.4G 43.6G 13% /w/workspace/gexfoundry_device-mqtt-go_PR-139 ---> free -m: total used free shared buff/cache available Mem: 1838 594 91 0 1152 1138 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) 04/20/20 _x86_64_ (4 CPU) 15:21:14 LINUX RESTART 15:22:01 tps rtps wtps bread/s bwrtn/s 15:23:02 11.55 1.45 10.10 83.09 1815.03 15:24:01 2.52 0.00 2.52 0.00 88.86 15:25:01 0.30 0.00 0.30 0.00 4.03 15:26:01 0.30 0.00 0.30 0.00 3.88 15:27:01 0.20 0.00 0.20 0.00 2.88 15:28:01 0.37 0.00 0.37 0.00 4.70 15:29:01 0.28 0.00 0.28 0.00 3.33 15:30:01 0.32 0.00 0.32 0.00 4.21 15:31:01 0.27 0.00 0.27 0.00 3.48 15:32:01 0.27 0.00 0.27 0.00 3.88 Average: 1.64 0.15 1.49 8.33 193.67 15:22:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:23:02 124472 1757832 93.39 2620 1221016 936072 31.94 415492 1179668 20 15:24:01 130608 1751696 93.06 2620 1221020 902684 30.80 412492 1177336 16 15:25:01 130272 1752032 93.08 2620 1221028 902744 30.80 412740 1177336 8 15:26:01 129704 1752600 93.11 2620 1221032 902780 30.80 412988 1177336 8 15:27:01 131688 1750616 93.00 2620 1221040 902576 30.80 411740 1177336 8 15:28:01 130720 1751584 93.06 2620 1221044 902748 30.80 412520 1177332 16 15:29:01 134960 1747344 92.83 2620 1221048 902568 30.80 408548 1176972 16 15:30:01 135108 1747196 92.82 2620 1221052 902568 30.80 408572 1176972 8 15:31:01 134728 1747576 92.84 2620 1221116 902568 30.80 408504 1176984 20 15:32:01 148320 1733984 92.12 2620 1221064 902812 30.80 395200 1176936 12 Average: 133058 1749246 92.93 2620 1221046 906012 30.91 409880 1177421 13 15:22:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 15:23:02 eth0 15.36 10.45 13.96 11.70 0.00 0.00 0.00 15:23:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:23:02 docker0 1.18 0.97 0.08 2.73 0.00 0.00 0.00 15:24:01 eth0 2.71 0.41 0.44 0.21 0.00 0.00 0.00 15:24:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:24:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:25:01 eth0 1.83 0.27 0.40 0.19 0.00 0.00 0.00 15:25:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:25:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:26:01 eth0 1.60 0.30 0.47 0.20 0.00 0.00 0.00 15:26:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:26:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:27:01 eth0 1.18 0.22 0.21 0.07 0.00 0.00 0.00 15:27:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:27:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:28:01 eth0 1.63 0.45 0.36 0.18 0.00 0.00 0.00 15:28:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:28:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:29:01 eth0 0.18 0.10 0.01 0.04 0.00 0.00 0.00 15:29:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:29:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:30:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 15:30:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:31:01 eth0 0.55 0.08 0.04 0.01 0.00 0.00 0.00 15:31:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:31:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:32:01 eth0 1.38 0.45 0.46 0.27 0.00 0.00 0.00 15:32:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:32:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 2.65 1.28 1.64 1.29 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.12 0.10 0.01 0.27 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) 04/20/20 _x86_64_ (4 CPU) 15:21:14 LINUX RESTART 15:22:01 CPU %user %nice %system %iowait %steal %idle 15:23:02 all 0.78 0.00 0.32 0.02 0.05 98.83 15:23:02 0 0.82 0.00 0.28 0.02 0.07 98.81 15:23:02 1 0.60 0.00 0.40 0.02 0.08 98.90 15:23:02 2 0.95 0.00 0.32 0.02 0.03 98.68 15:23:02 3 0.75 0.00 0.27 0.03 0.03 98.92 15:24:01 all 0.15 0.00 0.06 0.00 0.12 99.67 15:24:01 0 0.36 0.00 0.03 0.00 0.05 99.56 15:24:01 1 0.12 0.00 0.08 0.00 0.17 99.63 15:24:01 2 0.05 0.00 0.05 0.00 0.08 99.81 15:24:01 3 0.08 0.00 0.05 0.00 0.17 99.70 15:25:01 all 0.18 0.00 0.05 0.00 0.12 99.65 15:25:01 0 0.45 0.00 0.05 0.00 0.13 99.37 15:25:01 1 0.07 0.00 0.05 0.00 0.17 99.72 15:25:01 2 0.05 0.00 0.07 0.00 0.10 99.78 15:25:01 3 0.10 0.00 0.03 0.00 0.08 99.78 15:26:01 all 0.16 0.00 0.04 0.00 0.07 99.73 15:26:01 0 0.50 0.00 0.03 0.00 0.10 99.37 15:26:01 1 0.10 0.00 0.07 0.00 0.03 99.80 15:26:01 2 0.05 0.00 0.03 0.00 0.08 99.83 15:26:01 3 0.05 0.00 0.02 0.00 0.03 99.90 15:27:01 all 0.16 0.00 0.05 0.00 0.12 99.68 15:27:01 0 0.42 0.00 0.03 0.00 0.12 99.43 15:27:01 1 0.08 0.00 0.05 0.00 0.12 99.75 15:27:01 2 0.07 0.00 0.08 0.00 0.18 99.67 15:27:01 3 0.05 0.00 0.03 0.00 0.05 99.87 15:28:01 all 0.17 0.00 0.05 0.00 0.08 99.70 15:28:01 0 0.12 0.00 0.02 0.00 0.05 99.82 15:28:01 1 0.08 0.00 0.07 0.00 0.05 99.80 15:28:01 2 0.42 0.00 0.05 0.00 0.17 99.37 15:28:01 3 0.07 0.00 0.05 0.00 0.05 99.83 15:29:01 all 0.15 0.00 0.04 0.00 0.10 99.71 15:29:01 0 0.03 0.00 0.03 0.00 0.13 99.80 15:29:01 1 0.47 0.00 0.07 0.00 0.12 99.35 15:29:01 2 0.05 0.00 0.05 0.00 0.10 99.80 15:29:01 3 0.03 0.00 0.03 0.00 0.05 99.88 15:30:01 all 0.15 0.00 0.04 0.00 0.03 99.78 15:30:01 0 0.03 0.00 0.02 0.00 0.03 99.92 15:30:01 1 0.52 0.00 0.05 0.00 0.05 99.38 15:30:01 2 0.05 0.00 0.03 0.00 0.00 99.92 15:30:01 3 0.03 0.00 0.03 0.00 0.03 99.90 15:31:01 all 0.10 0.00 0.05 0.00 0.02 99.83 15:31:01 0 0.03 0.00 0.03 0.00 0.03 99.90 15:31:01 1 0.27 0.00 0.08 0.00 0.02 99.63 15:31:01 2 0.05 0.00 0.05 0.00 0.02 99.88 15:31:01 3 0.05 0.00 0.02 0.00 0.00 99.93 15:32:01 all 0.18 0.00 0.03 0.00 0.01 99.78 15:32:01 0 0.47 0.00 0.02 0.00 0.02 99.50 15:32:01 1 0.08 0.00 0.03 0.00 0.00 99.88 15:32:01 2 0.08 0.00 0.05 0.00 0.00 99.87 15:32:01 3 0.07 0.00 0.03 0.00 0.00 99.90 Average: all 0.22 0.00 0.07 0.00 0.07 99.64 Average: 0 0.32 0.00 0.06 0.00 0.07 99.55 Average: 1 0.24 0.00 0.10 0.00 0.08 99.58 Average: 2 0.18 0.00 0.08 0.00 0.08 99.66 Average: 3 0.13 0.00 0.06 0.00 0.05 99.76