---> uname -a: Linux 2af2d324e860 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-141 /dev/vda1 50.0G 7.8G 42.2G 16% /w/workspace/edgexfoundry_edgex-docs_PR-141@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 646 93 0 1097 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) 07/29/20 _x86_64_ (4 CPU) 01:50:31 LINUX RESTART 01:51:01 tps rtps wtps bread/s bwrtn/s 01:52:01 163.14 64.53 98.62 9911.75 32801.00 01:53:02 160.08 66.11 93.97 8152.72 20392.05 Average: 161.61 65.32 96.29 9030.04 26581.08 01:51:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:52:01 69028 1812528 96.33 2620 1166420 1262536 43.09 610188 1018152 48956 01:53:02 67536 1814020 96.41 1736 1143372 1512932 51.63 763560 865388 105200 Average: 68282 1813274 96.37 2178 1154896 1387734 47.36 686874 941770 77078 01:51:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 01:52:01 veth11344e0 16.64 24.24 1.32 177.30 0.00 0.00 0.00 01:52:01 eth0 1000.22 667.62 4282.16 98.10 0.00 0.00 0.00 01:52:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 01:52:01 docker0 16.64 24.13 1.09 177.29 0.00 0.00 0.00 01:53:02 eth0 1084.60 633.92 2622.73 2843.22 0.00 0.00 0.00 01:53:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:53:02 docker0 8.39 13.34 0.65 115.37 0.00 0.00 0.00 Average: eth0 1027.96 642.86 3429.93 1473.34 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 12.51 18.72 0.87 146.26 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) 01:50:31 LINUX RESTART 01:51:01 CPU %user %nice %system %iowait %steal %idle 01:52:01 all 18.07 0.00 7.95 5.02 0.12 68.85 01:52:01 0 21.99 0.00 8.83 4.88 0.14 64.17 01:52:01 1 16.68 0.00 8.35 7.81 0.14 67.04 01:52:01 2 16.79 0.00 7.06 2.68 0.10 73.36 01:52:01 3 16.88 0.00 7.53 4.70 0.08 70.80 01:53:02 all 19.56 0.00 6.56 2.56 0.05 71.26 01:53:02 0 14.91 0.00 8.06 1.26 0.09 75.69 01:53:02 1 16.64 0.00 6.79 4.44 0.05 72.08 01:53:02 2 28.94 0.00 5.13 2.24 0.02 63.67 01:53:02 3 17.64 0.00 6.27 2.30 0.08 73.70 Average: all 18.82 0.00 7.25 3.79 0.09 70.06 Average: 0 18.44 0.00 8.44 3.07 0.11 69.93 Average: 1 16.66 0.00 7.56 6.12 0.09 69.57 Average: 2 22.90 0.00 6.09 2.46 0.06 68.49 Average: 3 17.26 0.00 6.90 3.50 0.08 72.26