---> uname -a: Linux 561c03a496c4 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 6.9G 43.1G 14% / 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 6.9G 43.1G 14% /etc/resolv.conf /dev/vda1 50.0G 6.9G 43.1G 14% /etc/hostname /dev/vda1 50.0G 6.9G 43.1G 14% /etc/hosts /dev/vda1 50.0G 6.9G 43.1G 14% /w/workspace/edgexfoundry_device-sdk-c_master@tmp /dev/vda1 50.0G 6.9G 43.1G 14% /var/log/sa /dev/vda1 50.0G 6.9G 43.1G 14% /w/workspace/edgexfoundry_device-sdk-c_master ---> free -m: total used free shared buff/cache available Mem: 1838 729 86 0 1022 1029 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 14: eth0@if15: 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) 05/27/20 _x86_64_ (4 CPU) 11:07:56 LINUX RESTART 11:09:01 tps rtps wtps bread/s bwrtn/s 11:10:02 12.12 0.00 12.12 0.00 2190.79 11:11:01 1.00 0.00 1.00 0.00 14.36 11:12:01 0.67 0.00 0.67 0.00 8.23 11:13:01 0.65 0.00 0.65 0.00 8.33 11:14:01 0.70 0.00 0.70 0.00 8.08 11:15:01 220.67 107.81 112.87 4192.41 28943.19 Average: 39.43 18.03 21.40 701.07 5212.62 11:09:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:10:02 117860 1764444 93.74 2620 1224240 911932 31.11 427216 1173964 8 11:11:01 118700 1763604 93.69 2620 1224248 902680 30.80 427096 1173516 8 11:12:01 117748 1764556 93.74 2620 1224252 902936 30.81 428240 1173512 8 11:13:01 118608 1763696 93.70 2620 1224252 902744 30.80 427208 1173512 8 11:14:01 118200 1764104 93.72 2620 1224264 903084 30.81 427532 1173512 8 11:15:01 98872 1783432 94.75 2620 1125652 925960 31.59 486812 1036916 87896 Average: 114998 1767306 93.89 2620 1207818 908223 30.99 437351 1150822 14656 11:09:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 11:10:02 eth0 0.87 0.35 0.29 0.21 0.00 0.00 0.00 11:10:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:11:01 eth0 0.49 0.08 0.05 0.01 0.00 0.00 0.00 11:11:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:11:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:12:01 eth0 1.02 0.58 0.55 0.39 0.00 0.00 0.00 11:12:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:12:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:13:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 11:13:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:13:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:14:01 eth0 0.18 0.15 0.08 0.07 0.00 0.00 0.00 11:14:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:14:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:15:01 veth1eb9c8a 21.27 25.38 1.44 143.72 0.00 0.00 0.00 11:15:01 eth0 670.76 435.09 4474.52 132.49 0.00 0.00 0.00 11:15:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 11:15:01 docker0 29.36 31.08 2.07 161.00 0.00 0.00 0.00 Average: veth1eb9c8a 3.56 4.24 0.24 24.03 0.00 0.00 0.00 Average: eth0 112.17 72.76 748.24 22.15 0.00 0.00 0.00 Average: lo 0.02 0.02 0.00 0.00 0.00 0.00 0.00 Average: docker0 4.91 5.20 0.35 26.92 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) 05/27/20 _x86_64_ (4 CPU) 11:07:56 LINUX RESTART 11:09:01 CPU %user %nice %system %iowait %steal %idle 11:10:02 all 0.13 0.00 0.10 0.00 0.00 99.77 11:10:02 0 0.30 0.00 0.12 0.00 0.00 99.58 11:10:02 1 0.03 0.00 0.10 0.00 0.00 99.87 11:10:02 2 0.13 0.00 0.13 0.00 0.00 99.73 11:10:02 3 0.08 0.00 0.05 0.00 0.00 99.87 11:11:01 all 0.06 0.00 0.06 0.00 0.00 99.88 11:11:01 0 0.07 0.00 0.07 0.00 0.00 99.86 11:11:01 1 0.09 0.00 0.03 0.00 0.00 99.88 11:11:01 2 0.05 0.00 0.07 0.00 0.00 99.88 11:11:01 3 0.07 0.00 0.08 0.00 0.00 99.85 11:12:01 all 0.13 0.00 0.06 0.00 0.00 99.82 11:12:01 0 0.05 0.00 0.02 0.00 0.00 99.93 11:12:01 1 0.05 0.00 0.07 0.00 0.00 99.88 11:12:01 2 0.32 0.00 0.08 0.00 0.00 99.60 11:12:01 3 0.07 0.00 0.05 0.00 0.00 99.88 11:13:01 all 0.18 0.00 0.05 0.00 0.01 99.76 11:13:01 0 0.05 0.00 0.05 0.00 0.00 99.90 11:13:01 1 0.08 0.00 0.05 0.00 0.00 99.87 11:13:01 2 0.55 0.00 0.05 0.00 0.02 99.38 11:13:01 3 0.07 0.00 0.03 0.00 0.00 99.90 11:14:01 all 0.18 0.00 0.05 0.00 0.00 99.77 11:14:01 0 0.03 0.00 0.02 0.00 0.00 99.95 11:14:01 1 0.05 0.00 0.03 0.00 0.00 99.92 11:14:01 2 0.57 0.00 0.08 0.00 0.00 99.35 11:14:01 3 0.07 0.00 0.07 0.00 0.00 99.87 11:15:01 all 10.01 0.00 6.24 1.68 0.38 81.68 11:15:01 0 11.85 0.00 6.98 1.32 0.31 79.55 11:15:01 1 9.16 0.00 5.63 1.40 0.35 83.45 11:15:01 2 9.77 0.00 6.28 1.28 0.46 82.22 11:15:01 3 9.29 0.00 6.06 2.72 0.42 81.51 Average: all 1.77 0.00 1.08 0.28 0.06 96.81 Average: 0 2.04 0.00 1.20 0.22 0.05 96.50 Average: 1 1.57 0.00 0.98 0.23 0.06 97.16 Average: 2 1.89 0.00 1.11 0.21 0.08 96.71 Average: 3 1.59 0.00 1.05 0.45 0.07 96.84