---> uname -a: Linux 3cf574aae017 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: 2933.396 BogoMIPS: 5866.79 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% /var/log/sa /dev/vda1 50.0G 6.4G 43.6G 13% /w/workspace/gexfoundry_device-mqtt-go_PR-145 /dev/vda1 50.0G 6.4G 43.6G 13% /w/workspace/gexfoundry_device-mqtt-go_PR-145@tmp ---> free -m: total used free shared buff/cache available Mem: 1838 619 67 0 1151 1113 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) 05/13/20 _x86_64_ (4 CPU) 08:23:09 LINUX RESTART 08:24:01 tps rtps wtps bread/s bwrtn/s 08:25:01 9.66 0.08 9.58 2.66 2124.75 08:26:01 2.86 0.00 2.86 0.00 92.77 08:27:01 0.28 0.00 0.28 0.00 4.13 08:28:01 0.23 0.00 0.23 0.00 2.70 Average: 3.26 0.02 3.24 0.67 556.20 08:24:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:25:01 118776 1763528 93.69 2620 1206724 947780 32.34 448240 1153072 12 08:26:01 122632 1759672 93.49 2620 1206728 911800 31.11 445256 1152768 8 08:27:01 122172 1760132 93.51 2620 1206740 911880 31.11 445624 1152768 8 08:28:01 121916 1760388 93.52 2620 1206740 911956 31.12 446128 1152680 8 Average: 121374 1760930 93.55 2620 1206733 920854 31.42 446312 1152822 9 08:24:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 08:25:01 eth0 1.50 0.90 1.07 0.42 0.00 0.00 0.00 08:25:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:25:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:26:01 eth0 0.45 0.08 0.02 0.01 0.00 0.00 0.00 08:26:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:26:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:27:01 eth0 0.95 0.43 0.41 0.03 0.00 0.00 0.00 08:27:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:27:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:28:01 eth0 0.47 0.28 0.27 0.20 0.00 0.00 0.00 08:28:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:28:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 0.84 0.42 0.44 0.16 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) 05/13/20 _x86_64_ (4 CPU) 08:23:09 LINUX RESTART 08:24:01 CPU %user %nice %system %iowait %steal %idle 08:25:01 all 0.25 0.00 0.11 0.00 0.01 99.64 08:25:01 0 0.08 0.00 0.05 0.00 0.02 99.85 08:25:01 1 0.17 0.00 0.15 0.00 0.00 99.68 08:25:01 2 0.15 0.00 0.10 0.00 0.00 99.75 08:25:01 3 0.58 0.00 0.13 0.00 0.02 99.27 08:26:01 all 0.11 0.00 0.05 0.00 0.00 99.84 08:26:01 0 0.08 0.00 0.05 0.00 0.00 99.87 08:26:01 1 0.07 0.00 0.03 0.00 0.00 99.90 08:26:01 2 0.07 0.00 0.05 0.00 0.00 99.88 08:26:01 3 0.23 0.00 0.05 0.00 0.00 99.72 08:27:01 all 0.15 0.00 0.05 0.00 0.00 99.80 08:27:01 0 0.02 0.00 0.02 0.00 0.00 99.97 08:27:01 1 0.08 0.00 0.07 0.00 0.00 99.85 08:27:01 2 0.05 0.00 0.07 0.00 0.00 99.88 08:27:01 3 0.42 0.00 0.05 0.00 0.00 99.53 08:28:01 all 0.18 0.00 0.04 0.00 0.00 99.78 08:28:01 0 0.03 0.00 0.02 0.00 0.00 99.95 08:28:01 1 0.08 0.00 0.03 0.00 0.00 99.88 08:28:01 2 0.05 0.00 0.07 0.00 0.02 99.87 08:28:01 3 0.52 0.00 0.05 0.00 0.00 99.43 Average: all 0.17 0.00 0.06 0.00 0.00 99.76 Average: 0 0.05 0.00 0.03 0.00 0.00 99.91 Average: 1 0.10 0.00 0.07 0.00 0.00 99.83 Average: 2 0.08 0.00 0.07 0.00 0.00 99.85 Average: 3 0.44 0.00 0.07 0.00 0.00 99.49