---> uname -a: Linux 01c1923f0d0e 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-140 /dev/vda1 50.0G 7.8G 42.2G 16% /w/workspace/edgexfoundry_edgex-docs_PR-140@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 634 88 0 1114 1097 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) 07/29/20 _x86_64_ (4 CPU) 01:50:35 LINUX RESTART 01:51:01 tps rtps wtps bread/s bwrtn/s 01:52:01 132.25 41.02 91.23 3621.11 51059.41 01:53:01 211.88 91.01 120.87 14850.26 28298.77 Average: 172.07 66.02 106.05 9236.62 39677.20 01:51:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:52:01 104708 1776848 94.44 2620 1242196 1087156 37.10 468756 1150456 103692 01:53:01 85152 1796404 95.47 2596 1182044 1338196 45.67 669976 953100 31824 Average: 94930 1786626 94.95 2608 1212120 1212676 41.39 569366 1051778 67758 01:51:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 01:52:01 eth0 751.99 564.64 3030.73 78.82 0.00 0.00 0.00 01:52:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:52:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:53:01 eth0 402.26 295.57 3671.44 73.54 0.00 0.00 0.00 01:53:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:53:01 docker0 23.70 41.47 1.69 293.62 0.00 0.00 0.00 Average: eth0 577.10 430.08 3351.14 76.18 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 11.85 20.74 0.85 146.84 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) 07/29/20 _x86_64_ (4 CPU) 01:50:35 LINUX RESTART 01:51:01 CPU %user %nice %system %iowait %steal %idle 01:52:01 all 13.13 0.00 6.77 10.09 0.06 69.95 01:52:01 0 11.83 0.00 7.27 9.09 0.05 71.76 01:52:01 1 16.37 0.00 6.31 10.28 0.05 66.99 01:52:01 2 11.98 0.00 7.00 9.96 0.05 71.01 01:52:01 3 12.31 0.00 6.50 11.08 0.07 70.03 01:53:01 all 15.04 0.00 6.20 3.93 0.04 74.79 01:53:01 0 14.85 0.00 5.72 2.27 0.05 77.10 01:53:01 1 12.36 0.00 5.17 4.38 0.07 78.02 01:53:01 2 12.07 0.00 5.83 5.36 0.05 76.70 01:53:01 3 20.91 0.00 8.06 3.68 0.03 67.32 Average: all 14.09 0.00 6.49 7.01 0.05 72.37 Average: 0 13.35 0.00 6.50 5.67 0.05 74.44 Average: 1 14.37 0.00 5.74 7.33 0.06 72.51 Average: 2 12.02 0.00 6.42 7.66 0.05 73.85 Average: 3 16.61 0.00 7.28 7.38 0.05 68.68