---> uname -a: Linux 280f97a485eb 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: 2933.442 BogoMIPS: 5866.88 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-225 /dev/vda1 50.0G 6.3G 43.7G 13% /w/workspace/edgexfoundry_device-sdk-c_PR-225@tmp /dev/vda1 50.0G 6.3G 43.7G 13% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1838 613 77 0 1146 1118 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) 01/29/20 _x86_64_ (4 CPU) 11:32:55 LINUX RESTART 11:34:01 tps rtps wtps bread/s bwrtn/s 11:35:01 8.82 0.00 8.82 0.00 1869.71 11:36:02 0.28 0.00 0.28 0.00 3.98 11:37:01 0.29 0.00 0.29 0.00 3.40 11:38:01 128.07 86.35 41.72 5428.73 16596.67 Average: 34.52 21.68 12.83 1363.25 4639.01 11:34:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:35:01 121612 1760692 93.54 2620 1217760 901548 30.76 435920 1167644 20 11:36:02 122552 1759752 93.49 2620 1217768 894352 30.51 435484 1167332 8 11:37:01 121308 1760996 93.56 2620 1217772 894668 30.53 437116 1167328 20 11:38:01 108308 1773996 94.25 2620 1171312 933956 31.87 449888 1129296 41832 Average: 118445 1763859 93.71 2620 1206153 906131 30.92 439602 1157900 10470 11:34:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 11:35:01 eth0 4.06 0.85 3.71 0.07 0.00 0.00 0.00 11:35:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:35:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:36:02 eth0 0.73 0.08 0.07 0.01 0.00 0.00 0.00 11:36:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:36:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:37:01 eth0 0.90 0.78 0.54 0.41 0.00 0.00 0.00 11:37:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:37:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:38:01 eth0 106.46 84.88 2122.21 12.78 0.00 0.00 0.00 11:38:01 veth1cf09d9 0.00 0.08 0.00 0.01 0.00 0.00 0.00 11:38:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 11:38:01 docker0 5.98 4.59 0.68 13.34 0.00 0.00 0.00 Average: eth0 28.16 21.74 534.01 3.33 0.00 0.00 0.00 Average: veth1cf09d9 0.00 0.02 0.00 0.00 0.00 0.00 0.00 Average: lo 0.03 0.03 0.00 0.00 0.00 0.00 0.00 Average: docker0 1.50 1.15 0.17 3.35 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) 01/29/20 _x86_64_ (4 CPU) 11:32:55 LINUX RESTART 11:34:01 CPU %user %nice %system %iowait %steal %idle 11:35:01 all 0.21 0.00 0.11 0.00 0.00 99.67 11:35:01 0 0.12 0.00 0.08 0.00 0.00 99.80 11:35:01 1 0.10 0.00 0.15 0.00 0.00 99.75 11:35:01 2 0.58 0.00 0.12 0.00 0.00 99.30 11:35:01 3 0.05 0.00 0.12 0.00 0.00 99.83 11:36:02 all 0.18 0.00 0.06 0.00 0.01 99.75 11:36:02 0 0.05 0.00 0.05 0.00 0.02 99.88 11:36:02 1 0.08 0.00 0.07 0.00 0.02 99.83 11:36:02 2 0.55 0.00 0.08 0.00 0.02 99.35 11:36:02 3 0.05 0.00 0.05 0.00 0.02 99.88 11:37:01 all 0.20 0.00 0.06 0.00 0.00 99.74 11:37:01 0 0.05 0.00 0.05 0.00 0.00 99.90 11:37:01 1 0.08 0.00 0.05 0.00 0.00 99.86 11:37:01 2 0.59 0.00 0.07 0.00 0.00 99.34 11:37:01 3 0.08 0.00 0.08 0.00 0.00 99.83 11:38:01 all 5.09 0.00 2.86 1.73 0.03 90.30 11:38:01 0 4.66 0.00 2.93 0.74 0.02 91.66 11:38:01 1 4.92 0.00 2.56 2.38 0.03 90.10 11:38:01 2 4.58 0.00 2.95 0.15 0.03 92.29 11:38:01 3 6.18 0.00 2.95 3.69 0.02 87.16 Average: all 1.42 0.00 0.77 0.43 0.01 97.36 Average: 0 1.22 0.00 0.78 0.18 0.01 97.81 Average: 1 1.30 0.00 0.71 0.60 0.01 97.38 Average: 2 1.57 0.00 0.80 0.04 0.01 97.57 Average: 3 1.59 0.00 0.80 0.92 0.01 96.68