---> uname -a: Linux 114636a2e548 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/edgexfoundry_device-sdk-c_PR-235 /dev/vda1 50.0G 6.3G 43.7G 13% /w/workspace/edgexfoundry_device-sdk-c_PR-235@tmp /dev/vda1 50.0G 6.3G 43.7G 13% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1838 590 64 0 1182 1142 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) 02/28/20 _x86_64_ (4 CPU) 10:16:01 LINUX RESTART 10:17:01 tps rtps wtps bread/s bwrtn/s 10:18:01 11.41 0.00 11.41 0.00 2242.72 10:19:01 0.23 0.00 0.23 0.00 2.70 10:20:01 0.27 0.00 0.27 0.00 3.75 10:21:01 71.95 48.59 23.37 3419.71 8409.89 Average: 20.97 12.15 8.82 855.28 2665.50 10:17:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:18:01 121772 1760532 93.53 2620 1236760 890244 30.37 421552 1181556 16 10:19:01 121348 1760956 93.55 2620 1236772 890244 30.37 421872 1181260 16 10:20:01 120620 1761684 93.59 2620 1236776 890500 30.38 423008 1181256 8 10:21:01 75032 1807272 96.01 2620 1212648 1127460 38.47 458112 1160772 88656 Average: 109693 1772611 94.17 2620 1230739 949612 32.40 431136 1176211 22174 10:17:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 10:18:01 eth0 0.10 0.08 0.01 0.06 0.00 0.00 0.00 10:18:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:18:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:19:01 eth0 0.30 0.08 0.03 0.01 0.00 0.00 0.00 10:19:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:19:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:01 eth0 0.57 0.37 0.27 0.20 0.00 0.00 0.00 10:20:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:21:01 eth0 89.71 75.82 2109.28 8.53 0.00 0.00 0.00 10:21:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:21:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 22.68 19.09 527.62 2.20 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) 02/28/20 _x86_64_ (4 CPU) 10:16:01 LINUX RESTART 10:17:01 CPU %user %nice %system %iowait %steal %idle 10:18:01 all 0.19 0.00 0.10 0.00 0.00 99.70 10:18:01 0 0.03 0.00 0.05 0.00 0.00 99.92 10:18:01 1 0.07 0.00 0.10 0.00 0.00 99.83 10:18:01 2 0.12 0.00 0.10 0.00 0.00 99.78 10:18:01 3 0.53 0.00 0.17 0.00 0.00 99.30 10:19:01 all 0.18 0.00 0.05 0.00 0.00 99.77 10:19:01 0 0.03 0.00 0.07 0.00 0.00 99.90 10:19:01 1 0.07 0.00 0.05 0.00 0.00 99.88 10:19:01 2 0.05 0.00 0.05 0.00 0.00 99.90 10:19:01 3 0.58 0.00 0.07 0.00 0.00 99.35 10:20:01 all 0.19 0.00 0.07 0.00 0.00 99.74 10:20:01 0 0.05 0.00 0.05 0.00 0.00 99.90 10:20:01 1 0.07 0.00 0.07 0.00 0.00 99.87 10:20:01 2 0.08 0.00 0.07 0.00 0.00 99.85 10:20:01 3 0.55 0.00 0.08 0.00 0.00 99.37 10:21:01 all 3.20 0.00 1.67 1.43 0.01 93.69 10:21:01 0 2.97 0.00 1.62 0.63 0.00 94.77 10:21:01 1 2.76 0.00 1.57 0.95 0.02 94.70 10:21:01 2 3.38 0.00 1.55 1.87 0.03 93.17 10:21:01 3 3.70 0.00 1.96 2.24 0.02 92.09 Average: all 0.94 0.00 0.47 0.36 0.00 98.23 Average: 0 0.77 0.00 0.45 0.16 0.00 98.62 Average: 1 0.74 0.00 0.45 0.24 0.00 98.57 Average: 2 0.91 0.00 0.44 0.47 0.01 98.18 Average: 3 1.34 0.00 0.57 0.56 0.00 97.53