---> uname -a: Linux 235ad7d68aa9 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: 2933.442 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 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 7.8G 42.2G 16% / 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 7.8G 42.2G 16% /etc/resolv.conf /dev/vda1 50.0G 7.8G 42.2G 16% /etc/hostname /dev/vda1 50.0G 7.8G 42.2G 16% /etc/hosts /dev/vda1 50.0G 7.8G 42.2G 16% /var/log/sa /dev/vda1 50.0G 7.8G 42.2G 16% /w/workspace/edgexfoundry_edgex-docs_PR-163 /dev/vda1 50.0G 7.8G 42.2G 16% /w/workspace/edgexfoundry_edgex-docs_PR-163@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 659 80 0 1097 1073 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) 07/14/20 _x86_64_ (4 CPU) 17:16:39 LINUX RESTART 17:17:02 tps rtps wtps bread/s bwrtn/s 17:18:01 74.74 30.83 43.91 2960.56 26110.56 17:19:01 29.93 4.75 25.18 578.05 13195.49 17:20:01 146.07 42.66 103.41 8529.69 20660.52 Average: 83.64 26.05 57.58 4029.33 19955.49 17:17:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:18:01 102712 1778844 94.54 2620 1328572 936108 31.95 291880 1331868 20 17:19:01 114440 1767116 93.92 2620 1271228 1042628 35.58 435728 1174196 101104 17:20:01 67160 1814396 96.43 2620 1165432 1210596 41.32 722776 877424 109076 Average: 94771 1786785 94.96 2620 1255077 1063111 36.28 483461 1127829 70067 17:17:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 17:18:01 eth0 162.59 89.32 371.18 19.87 0.00 0.00 0.00 17:18:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:18:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:19:01 eth0 623.13 391.54 2650.92 51.11 0.00 0.00 0.00 17:19:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:19:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:20:01 eth0 874.83 608.56 1438.99 1741.40 0.00 0.00 0.00 17:20:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:20:01 veth1ad595a 23.92 38.00 2.02 295.98 0.00 0.00 0.00 17:20:01 docker0 23.92 37.87 1.70 295.97 0.00 0.00 0.00 Average: eth0 555.71 364.68 1493.13 607.51 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth1ad595a 8.02 12.74 0.68 99.23 0.00 0.00 0.00 Average: docker0 8.02 12.70 0.57 99.23 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) 07/14/20 _x86_64_ (4 CPU) 17:16:39 LINUX RESTART 17:17:02 CPU %user %nice %system %iowait %steal %idle 17:18:01 all 8.34 0.00 4.00 5.54 0.00 82.11 17:18:01 0 6.89 0.00 4.35 6.35 0.02 82.39 17:18:01 1 10.92 0.00 3.21 5.64 0.00 80.23 17:18:01 2 8.29 0.00 4.13 4.55 0.00 83.04 17:18:01 3 7.27 0.00 4.33 5.63 0.02 82.75 17:19:01 all 4.70 0.00 1.49 0.79 0.00 93.02 17:19:01 0 5.03 0.00 2.17 2.07 0.00 90.73 17:19:01 1 2.60 0.00 0.55 0.17 0.00 96.68 17:19:01 2 4.88 0.00 1.80 0.42 0.02 92.88 17:19:01 3 6.28 0.00 1.44 0.48 0.00 91.80 17:20:01 all 17.73 0.00 5.82 3.41 0.02 73.02 17:20:01 0 22.48 0.00 9.20 3.73 0.02 64.58 17:20:01 1 28.79 0.00 5.20 2.25 0.03 63.73 17:20:01 2 12.53 0.00 4.93 6.17 0.00 76.37 17:20:01 3 7.13 0.00 3.98 1.48 0.00 87.41 Average: all 10.25 0.00 3.76 3.23 0.01 82.74 Average: 0 11.46 0.00 5.23 4.04 0.01 79.25 Average: 1 14.10 0.00 2.98 2.67 0.01 80.24 Average: 2 8.56 0.00 3.61 3.70 0.01 84.12 Average: 3 6.89 0.00 3.24 2.51 0.01 87.35