---> uname -a: Linux ad6eaddc6b04 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: 2933.438 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 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-181 /dev/vda1 50.0G 7.8G 42.2G 16% /w/workspace/edgexfoundry_edgex-docs_PR-181@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 647 87 0 1102 1086 Swap: 1023 2 1021 ---> 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) 07/20/20 _x86_64_ (4 CPU) 17:52:44 LINUX RESTART 17:53:01 tps rtps wtps bread/s bwrtn/s 17:54:02 218.02 86.79 131.23 10905.02 62804.43 17:55:01 210.27 97.99 112.29 9658.89 24622.30 Average: 214.18 92.34 121.84 10287.24 43875.14 17:53:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:54:02 81384 1800172 95.67 2620 1137044 1284268 43.83 629092 980936 73100 17:55:01 73396 1808160 96.10 1572 1139316 1548376 52.84 765404 857584 99432 Average: 77390 1804166 95.89 2096 1138180 1416322 48.34 697248 919260 86266 17:53:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 17:54:02 vethd1d663e 17.65 26.94 1.48 223.21 0.00 0.00 0.00 17:54:02 eth0 1208.69 878.42 4331.81 112.51 0.00 0.00 0.00 17:54:02 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 17:54:02 docker0 17.65 26.81 1.24 223.19 0.00 0.00 0.00 17:55:01 eth0 1116.91 684.63 2633.30 2913.89 0.00 0.00 0.00 17:55:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:55:01 docker0 6.58 8.65 0.47 71.27 0.00 0.00 0.00 Average: eth0 1152.71 775.22 3469.06 1500.64 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 12.17 17.80 0.86 147.87 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) 07/20/20 _x86_64_ (4 CPU) 17:52:44 LINUX RESTART 17:53:01 CPU %user %nice %system %iowait %steal %idle 17:54:02 all 20.21 0.00 8.08 7.07 0.14 64.50 17:54:02 0 17.36 0.00 8.30 7.87 0.14 66.34 17:54:02 1 19.68 0.00 7.66 7.49 0.10 65.06 17:54:02 2 21.38 0.00 8.02 5.25 0.14 65.21 17:54:02 3 22.37 0.00 8.32 7.70 0.22 61.39 17:55:01 all 19.33 0.00 5.94 3.65 0.06 71.01 17:55:01 0 28.15 0.00 6.04 2.63 0.05 63.13 17:55:01 1 23.95 0.00 8.04 4.78 0.07 63.17 17:55:01 2 10.48 0.00 4.32 3.79 0.07 81.33 17:55:01 3 14.76 0.00 5.41 3.40 0.05 76.38 Average: all 19.77 0.00 7.02 5.38 0.10 67.73 Average: 0 22.72 0.00 7.17 5.27 0.09 64.74 Average: 1 21.79 0.00 7.85 6.15 0.09 64.12 Average: 2 15.97 0.00 6.19 4.53 0.10 73.21 Average: 3 18.60 0.00 6.88 5.57 0.14 68.82