---> uname -a: Linux 9708fa6bc281 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% /var/log/sa /dev/vda1 50.0G 6.3G 43.7G 13% /w/workspace/edgexfoundry_device-sdk-c_PR-242 /dev/vda1 50.0G 6.3G 43.7G 13% /w/workspace/edgexfoundry_device-sdk-c_PR-242@tmp ---> free -m: total used free shared buff/cache available Mem: 1838 584 71 0 1182 1148 Swap: 1023 0 1023 ---> 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) 03/16/20 _x86_64_ (4 CPU) 11:38:48 LINUX RESTART 11:39:02 tps rtps wtps bread/s bwrtn/s 11:40:01 181.08 99.83 81.25 7909.44 39560.58 11:41:01 4.23 0.00 4.23 0.00 153.36 11:42:01 0.30 0.00 0.30 0.00 3.61 11:43:01 0.27 0.00 0.27 0.00 3.26 11:44:01 17.75 17.52 0.23 1588.01 3.60 Average: 40.27 23.22 17.05 1880.08 7842.94 11:39:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:40:01 107320 1774984 94.30 2620 1250344 931336 31.78 416084 1197508 1212 11:41:01 115136 1767168 93.88 2620 1250288 904164 30.85 411116 1197432 16 11:42:01 115400 1766904 93.87 2620 1250292 893668 30.49 411356 1197412 20 11:43:01 115668 1766636 93.85 2620 1250292 893620 30.49 411208 1197412 16 11:44:01 71712 1810592 96.19 2620 1281712 921116 31.43 422640 1229860 68 Average: 105047 1777257 94.42 2620 1256586 908781 31.01 414481 1203925 266 11:39:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 11:40:01 eth0 429.05 282.68 1047.51 103.49 0.00 0.00 0.00 11:40:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:40:01 docker0 5.91 4.57 0.74 16.18 0.00 0.00 0.00 11:41:01 eth0 2.16 0.78 1.42 0.05 0.00 0.00 0.00 11:41:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:41:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:42:01 eth0 0.88 0.47 0.30 0.18 0.00 0.00 0.00 11:42:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:42:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:43:01 eth0 0.63 0.38 0.28 0.24 0.00 0.00 0.00 11:43:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:43:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:44:01 eth0 3.33 2.05 3.29 1.11 0.00 0.00 0.00 11:44:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:44:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 86.11 56.55 207.86 20.75 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 1.17 0.90 0.15 3.19 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) 03/16/20 _x86_64_ (4 CPU) 11:38:48 LINUX RESTART 11:39:02 CPU %user %nice %system %iowait %steal %idle 11:40:01 all 15.78 0.00 8.34 10.17 0.03 65.68 11:40:01 0 14.10 0.00 8.39 9.77 0.02 67.72 11:40:01 1 16.63 0.00 8.30 13.33 0.05 61.68 11:40:01 2 15.60 0.00 8.63 8.03 0.02 67.72 11:40:01 3 16.80 0.00 8.05 9.54 0.03 65.58 11:41:01 all 0.12 0.00 0.07 0.00 0.00 99.81 11:41:01 0 0.17 0.00 0.07 0.00 0.00 99.77 11:41:01 1 0.07 0.00 0.05 0.00 0.00 99.88 11:41:01 2 0.17 0.00 0.07 0.00 0.00 99.77 11:41:01 3 0.08 0.00 0.03 0.00 0.00 99.88 11:42:01 all 0.08 0.00 0.05 0.00 0.00 99.87 11:42:01 0 0.10 0.00 0.07 0.00 0.00 99.83 11:42:01 1 0.07 0.00 0.05 0.00 0.00 99.88 11:42:01 2 0.07 0.00 0.05 0.00 0.02 99.87 11:42:01 3 0.07 0.00 0.07 0.00 0.00 99.87 11:43:01 all 0.15 0.00 0.05 0.00 0.00 99.80 11:43:01 0 0.08 0.00 0.05 0.00 0.02 99.85 11:43:01 1 0.03 0.00 0.03 0.00 0.00 99.93 11:43:01 2 0.38 0.00 0.05 0.00 0.00 99.57 11:43:01 3 0.07 0.00 0.05 0.00 0.00 99.88 11:44:01 all 0.36 0.00 0.13 0.35 0.00 99.15 11:44:01 0 0.18 0.00 0.10 0.00 0.00 99.72 11:44:01 1 0.10 0.00 0.08 0.00 0.00 99.82 11:44:01 2 0.63 0.00 0.10 0.13 0.00 99.13 11:44:01 3 0.53 0.00 0.25 1.25 0.02 97.95 Average: all 3.23 0.00 1.69 2.06 0.01 93.01 Average: 0 2.87 0.00 1.70 1.91 0.01 93.51 Average: 1 3.30 0.00 1.67 2.61 0.01 92.41 Average: 2 3.31 0.00 1.75 1.60 0.01 93.34 Average: 3 3.43 0.00 1.65 2.11 0.01 92.80