---> uname -a: Linux 91bbeebf5eb8 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 625 75 0 1136 1107 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) 04/16/20 _x86_64_ (4 CPU) 00:23:14 LINUX RESTART 00:24:01 tps rtps wtps bread/s bwrtn/s 00:25:01 20.36 5.58 14.78 1915.71 1924.73 00:26:02 2.38 0.00 2.38 0.00 79.40 00:27:01 0.24 0.00 0.24 0.00 3.79 00:28:01 0.22 0.00 0.22 0.00 3.10 00:29:01 0.25 0.00 0.25 0.00 3.11 00:30:01 0.42 0.02 0.40 0.13 4.86 00:31:01 0.30 0.00 0.30 0.00 3.20 00:32:01 0.20 0.00 0.20 0.00 2.56 Average: 3.05 0.70 2.35 240.09 253.72 00:24:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:25:01 101176 1781128 94.62 2620 1211252 946600 32.30 456036 1162300 12 00:26:02 108572 1773732 94.23 2620 1211256 904788 30.87 451408 1160836 20 00:27:01 108048 1774256 94.26 2620 1211268 904952 30.88 452072 1160836 20 00:28:01 107044 1775260 94.31 2620 1211268 905100 30.88 452548 1160836 8 00:29:01 109144 1773160 94.20 2620 1211276 904872 30.87 451444 1160836 16 00:30:01 109628 1772676 94.18 2620 1211284 904916 30.88 450872 1160836 12 00:31:01 122836 1759468 93.47 2620 1211288 904916 30.88 437384 1160812 8 00:32:01 122976 1759328 93.47 2620 1211292 904916 30.88 437516 1160812 8 Average: 111178 1771126 94.09 2620 1211273 910133 31.05 448660 1161013 13 00:24:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 00:25:01 eth0 50.08 37.60 333.14 29.54 0.00 0.00 0.00 00:25:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:25:01 docker0 1.31 1.12 0.26 2.95 0.00 0.00 0.00 00:26:02 eth0 1.53 0.43 0.42 0.21 0.00 0.00 0.00 00:26:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:26:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:27:01 eth0 1.73 0.51 0.62 0.40 0.00 0.00 0.00 00:27:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:27:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:28:01 eth0 0.65 0.55 0.38 0.22 0.00 0.00 0.00 00:28:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:28:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:29:01 eth0 0.30 0.22 0.14 0.07 0.00 0.00 0.00 00:29:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:29:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:30:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 00:30:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:31:01 eth0 0.15 0.08 0.01 0.01 0.00 0.00 0.00 00:31:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:31:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:32:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 00:32:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:32:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 6.84 4.96 41.95 3.82 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.16 0.14 0.03 0.37 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) 00:23:14 LINUX RESTART 00:24:01 CPU %user %nice %system %iowait %steal %idle 00:25:01 all 2.90 0.00 1.67 0.33 0.68 94.43 00:25:01 0 2.06 0.00 1.98 0.85 0.57 94.54 00:25:01 1 3.83 0.00 1.42 0.25 0.70 93.80 00:25:01 2 3.23 0.00 1.57 0.05 0.60 94.54 00:25:01 3 2.47 0.00 1.66 0.17 0.84 94.87 00:26:02 all 0.18 0.00 0.05 0.00 0.06 99.70 00:26:02 0 0.07 0.00 0.03 0.00 0.02 99.88 00:26:02 1 0.10 0.00 0.08 0.00 0.17 99.65 00:26:02 2 0.48 0.00 0.07 0.00 0.03 99.42 00:26:02 3 0.08 0.00 0.05 0.00 0.02 99.85 00:27:01 all 0.16 0.00 0.05 0.00 0.38 99.41 00:27:01 0 0.27 0.00 0.05 0.00 0.27 99.41 00:27:01 1 0.08 0.00 0.03 0.00 0.24 99.64 00:27:01 2 0.22 0.00 0.05 0.00 0.78 98.95 00:27:01 3 0.08 0.00 0.03 0.00 0.27 99.61 00:28:01 all 0.12 0.00 0.05 0.00 0.21 99.62 00:28:01 0 0.03 0.00 0.07 0.00 0.20 99.70 00:28:01 1 0.05 0.00 0.05 0.00 0.18 99.72 00:28:01 2 0.30 0.00 0.05 0.00 0.25 99.40 00:28:01 3 0.07 0.00 0.05 0.00 0.20 99.68 00:29:01 all 0.13 0.00 0.05 0.00 0.42 99.40 00:29:01 0 0.03 0.00 0.05 0.00 0.40 99.52 00:29:01 1 0.03 0.00 0.03 0.00 0.42 99.52 00:29:01 2 0.40 0.00 0.07 0.00 0.27 99.27 00:29:01 3 0.05 0.00 0.05 0.00 0.60 99.30 00:30:01 all 0.16 0.00 0.05 0.00 0.10 99.70 00:30:01 0 0.05 0.00 0.03 0.00 0.12 99.80 00:30:01 1 0.07 0.00 0.05 0.00 0.05 99.83 00:30:01 2 0.47 0.00 0.07 0.00 0.08 99.38 00:30:01 3 0.05 0.00 0.05 0.00 0.12 99.78 00:31:01 all 0.16 0.00 0.05 0.00 0.05 99.73 00:31:01 0 0.05 0.00 0.08 0.00 0.05 99.82 00:31:01 1 0.03 0.00 0.03 0.00 0.08 99.85 00:31:01 2 0.48 0.00 0.05 0.00 0.05 99.42 00:31:01 3 0.07 0.00 0.05 0.00 0.05 99.83 00:32:01 all 0.15 0.00 0.05 0.00 0.05 99.75 00:32:01 0 0.07 0.00 0.07 0.00 0.12 99.75 00:32:01 1 0.03 0.00 0.03 0.00 0.03 99.90 00:32:01 2 0.47 0.00 0.03 0.00 0.03 99.47 00:32:01 3 0.05 0.00 0.05 0.00 0.02 99.88 Average: all 0.49 0.00 0.25 0.04 0.24 98.97 Average: 0 0.33 0.00 0.29 0.11 0.22 99.05 Average: 1 0.53 0.00 0.22 0.03 0.23 98.99 Average: 2 0.76 0.00 0.24 0.01 0.26 98.73 Average: 3 0.37 0.00 0.25 0.02 0.26 99.10