---> uname -a: Linux f958bd34fd83 3.10.0-1127.el7.x86_64 #1 SMP Tue Mar 31 23:36:51 UTC 2020 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: 2933.396 BogoMIPS: 5866.79 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 Itlb multihit: KVM: Mitigation: Split huge pages Vulnerability L1tf: Mitigation; PTE Inversion; VMX conditional cache flushes, SMT disabled Vulnerability Mds: Vulnerable: Clear CPU buffers attempted, no microcode; SMT Host state unknown Vulnerability Meltdown: Mitigation; PTI Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp Vulnerability Spectre v1: Mitigation; Load fences, usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Full retpoline, IBPB Vulnerability Tsx async abort: Not affected 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 7.2G 42.8G 14% / tmpfs 64.0M 0 64.0M 0% /dev tmpfs 918.7M 0 918.7M 0% /sys/fs/cgroup shm 64.0M 0 64.0M 0% /dev/shm /dev/vda1 50.0G 7.2G 42.8G 14% /etc/resolv.conf /dev/vda1 50.0G 7.2G 42.8G 14% /etc/hostname /dev/vda1 50.0G 7.2G 42.8G 14% /etc/hosts /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/edgexfoundry_device-sdk-c_PR-276 /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/edgexfoundry_device-sdk-c_PR-276@tmp /dev/vda1 50.0G 7.2G 42.8G 14% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1837 637 115 0 1085 1094 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 3.10.0-1127.el7.x86_64 (centos-7-docker-5eb134fb-50d3-af0a-1802-9f6851a35141.vexxhost.lo) 07/03/20 _x86_64_ (4 CPU) 15:08:54 LINUX RESTART 15:10:01 tps rtps wtps bread/s bwrtn/s 15:11:01 1.85 0.00 1.85 0.00 39.57 15:12:01 0.32 0.00 0.32 0.00 5.13 15:13:01 0.23 0.00 0.23 0.00 2.22 15:14:01 0.27 0.00 0.27 0.00 3.61 15:15:01 138.89 86.40 52.49 7077.95 20269.03 Average: 27.95 17.05 10.89 1397.00 4010.70 15:10:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:11:01 175164 1706392 90.69 2620 1155880 1080876 36.89 416952 1130700 20 15:12:01 174052 1707504 90.75 2620 1155884 1081080 36.90 418340 1130408 8 15:13:01 173688 1707868 90.77 2620 1155892 1081104 36.90 418508 1130408 8 15:14:01 173108 1708448 90.80 2620 1155892 1080876 36.89 426832 1122844 8 15:15:01 93264 1788292 95.04 2620 1152236 1277892 43.61 466140 1117940 16 Average: 157855 1723701 91.61 2620 1155157 1120366 38.24 429354 1126460 12 15:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 15:11:01 eth0 0.72 0.08 0.06 0.02 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 1.17 0.50 0.64 0.18 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 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:13:01 eth0 0.70 0.38 0.29 0.23 0.00 0.00 0.00 15:13:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:13:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:14:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 15:14:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:14:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:15:01 eth0 96.12 64.22 2369.85 10.74 0.00 0.00 0.00 15:15:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:15:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 19.51 12.89 467.95 2.21 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 3.10.0-1127.el7.x86_64 (centos-7-docker-5eb134fb-50d3-af0a-1802-9f6851a35141.vexxhost.lo) 07/03/20 _x86_64_ (4 CPU) 15:08:54 LINUX RESTART 15:10:01 CPU %user %nice %system %iowait %steal %idle 15:11:01 all 0.17 0.00 0.04 0.00 0.00 99.79 15:11:01 0 0.03 0.00 0.05 0.00 0.00 99.92 15:11:01 1 0.10 0.00 0.07 0.00 0.00 99.83 15:11:01 2 0.02 0.00 0.03 0.00 0.00 99.95 15:11:01 3 0.52 0.00 0.02 0.00 0.00 99.47 15:12:01 all 0.13 0.00 0.03 0.00 0.00 99.84 15:12:01 0 0.03 0.00 0.03 0.00 0.00 99.93 15:12:01 1 0.07 0.00 0.07 0.00 0.00 99.87 15:12:01 2 0.02 0.00 0.02 0.00 0.00 99.97 15:12:01 3 0.40 0.00 0.03 0.00 0.00 99.57 15:13:01 all 0.15 0.00 0.03 0.00 0.00 99.82 15:13:01 0 0.02 0.00 0.02 0.00 0.00 99.97 15:13:01 1 0.07 0.00 0.03 0.00 0.00 99.90 15:13:01 2 0.05 0.00 0.02 0.00 0.00 99.93 15:13:01 3 0.45 0.00 0.02 0.00 0.00 99.53 15:14:01 all 0.15 0.00 0.03 0.00 0.00 99.82 15:14:01 0 0.02 0.00 0.03 0.00 0.00 99.95 15:14:01 1 0.07 0.00 0.05 0.00 0.00 99.88 15:14:01 2 0.02 0.00 0.03 0.00 0.00 99.95 15:14:01 3 0.52 0.00 0.02 0.00 0.00 99.47 15:15:01 all 5.07 0.00 2.77 2.53 0.00 89.63 15:15:01 0 4.12 0.00 3.37 2.49 0.00 90.03 15:15:01 1 5.61 0.00 2.97 2.57 0.00 88.85 15:15:01 2 5.64 0.00 2.32 3.77 0.02 88.25 15:15:01 3 4.89 0.00 2.40 1.31 0.00 91.39 Average: all 1.11 0.00 0.57 0.50 0.00 97.82 Average: 0 0.83 0.00 0.69 0.49 0.00 97.99 Average: 1 1.16 0.00 0.63 0.51 0.00 97.71 Average: 2 1.13 0.00 0.48 0.74 0.00 97.65 Average: 3 1.34 0.00 0.49 0.26 0.00 97.91