---> uname -a: Linux 81d3044e43ea 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 724 92 0 1021 1034 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) 04/21/20 _x86_64_ (4 CPU) 15:05:02 LINUX RESTART 15:06:01 tps rtps wtps bread/s bwrtn/s 15:07:01 12.57 0.08 12.49 2.66 1985.38 15:08:01 2.91 0.00 2.91 0.00 91.51 15:09:01 0.55 0.00 0.55 0.00 6.01 15:10:01 0.35 0.00 0.35 0.00 6.33 15:11:01 0.28 0.00 0.28 0.00 4.56 15:12:01 213.71 101.71 112.00 4133.93 29779.28 Average: 38.42 16.98 21.44 689.83 5315.04 15:06:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:07:01 116096 1766208 93.83 2620 1228812 908740 31.01 438056 1164848 16 15:08:01 116660 1765644 93.80 2620 1228820 901592 30.76 438052 1164552 8 15:09:01 115552 1766752 93.86 2620 1228828 901784 30.77 439184 1164548 12 15:10:01 116132 1766172 93.83 2620 1228828 901728 30.77 438436 1164548 12 15:11:01 116276 1766028 93.82 2620 1228836 901680 30.76 438276 1164548 8 15:12:01 104572 1777732 94.44 2620 1128100 937236 31.98 514780 1001552 99132 Average: 114215 1768089 93.93 2620 1212037 908793 31.01 451131 1137433 16531 15:06:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 15:07:01 eth0 2.06 0.62 1.52 0.05 0.00 0.00 0.00 15:07:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:07:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:08:01 eth0 0.65 0.20 0.17 0.01 0.00 0.00 0.00 15:08:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:08:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:09:01 eth0 1.68 0.78 0.59 0.41 0.00 0.00 0.00 15:09:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:09:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:10:01 eth0 0.53 0.42 0.27 0.21 0.00 0.00 0.00 15:10:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:11:01 eth0 0.53 0.13 0.16 0.07 0.00 0.00 0.00 15:11:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:11:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:12:01 eth0 203.00 162.81 3467.84 23.07 0.00 0.00 0.00 15:12:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:12:01 veth2409970 39.46 42.24 2.71 250.63 0.00 0.00 0.00 15:12:01 docker0 45.60 46.98 2.96 266.63 0.00 0.00 0.00 Average: eth0 34.76 27.51 578.76 3.97 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth2409970 6.58 7.04 0.45 41.80 0.00 0.00 0.00 Average: docker0 7.60 7.83 0.49 44.46 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) 04/21/20 _x86_64_ (4 CPU) 15:05:02 LINUX RESTART 15:06:01 CPU %user %nice %system %iowait %steal %idle 15:07:01 all 0.17 0.00 0.13 0.00 0.00 99.70 15:07:01 0 0.13 0.00 0.10 0.00 0.00 99.77 15:07:01 1 0.42 0.00 0.13 0.00 0.00 99.45 15:07:01 2 0.08 0.00 0.10 0.00 0.00 99.82 15:07:01 3 0.07 0.00 0.20 0.00 0.00 99.73 15:08:01 all 0.19 0.00 0.05 0.00 0.00 99.76 15:08:01 0 0.10 0.00 0.07 0.00 0.00 99.83 15:08:01 1 0.40 0.00 0.07 0.00 0.00 99.53 15:08:01 2 0.03 0.00 0.03 0.00 0.00 99.93 15:08:01 3 0.23 0.00 0.03 0.00 0.02 99.72 15:09:01 all 0.19 0.00 0.05 0.00 0.00 99.76 15:09:01 0 0.07 0.00 0.03 0.00 0.00 99.90 15:09:01 1 0.08 0.00 0.05 0.00 0.00 99.87 15:09:01 2 0.08 0.00 0.05 0.00 0.02 99.85 15:09:01 3 0.52 0.00 0.05 0.00 0.00 99.43 15:10:01 all 0.11 0.00 0.06 0.00 0.00 99.83 15:10:01 0 0.07 0.00 0.05 0.00 0.00 99.88 15:10:01 1 0.07 0.00 0.03 0.00 0.00 99.90 15:10:01 2 0.08 0.00 0.07 0.00 0.00 99.85 15:10:01 3 0.22 0.00 0.07 0.00 0.00 99.72 15:11:01 all 0.07 0.00 0.05 0.00 0.00 99.88 15:11:01 0 0.08 0.00 0.07 0.00 0.00 99.85 15:11:01 1 0.07 0.00 0.07 0.00 0.00 99.87 15:11:01 2 0.05 0.00 0.05 0.00 0.00 99.90 15:11:01 3 0.05 0.00 0.07 0.00 0.00 99.88 15:12:01 all 9.86 0.00 6.11 1.55 0.03 82.45 15:12:01 0 8.42 0.00 6.58 1.31 0.05 83.64 15:12:01 1 9.07 0.00 5.52 1.16 0.02 84.23 15:12:01 2 13.41 0.00 6.62 1.53 0.03 78.40 15:12:01 3 8.56 0.00 5.71 2.18 0.02 83.54 Average: all 1.75 0.00 1.07 0.26 0.01 96.92 Average: 0 1.47 0.00 1.14 0.22 0.01 97.17 Average: 1 1.67 0.00 0.97 0.19 0.00 97.17 Average: 2 2.27 0.00 1.14 0.25 0.01 96.32 Average: 3 1.59 0.00 1.01 0.36 0.01 97.03