---> uname -a: Linux fca6a08b9a74 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: 2933.436 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-178 /dev/vda1 50.0G 7.8G 42.2G 16% /w/workspace/edgexfoundry_edgex-docs_PR-178@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 670 89 0 1077 1062 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) 07/07/20 _x86_64_ (4 CPU) 01:29:17 LINUX RESTART 01:30:01 tps rtps wtps bread/s bwrtn/s 01:31:02 178.88 41.81 137.07 8235.13 34437.65 Average: 178.88 41.81 137.07 8235.13 34437.65 01:30:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:31:02 80272 1801284 95.73 2596 1123436 1278104 43.62 566600 1013524 58608 Average: 80272 1801284 95.73 2596 1123436 1278104 43.62 566600 1013524 58608 01:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 01:31:02 veth73a814f 24.54 41.33 2.06 290.13 0.00 0.00 0.00 01:31:02 eth0 1125.48 625.12 4310.89 115.43 0.00 0.00 0.00 01:31:02 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 01:31:02 docker0 24.54 41.20 1.73 290.12 0.00 0.00 0.00 Average: veth73a814f 24.54 41.33 2.06 290.13 0.00 0.00 0.00 Average: eth0 1125.48 625.12 4310.89 115.43 0.00 0.00 0.00 Average: lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 Average: docker0 24.54 41.20 1.73 290.12 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) 07/07/20 _x86_64_ (4 CPU) 01:29:17 LINUX RESTART 01:30:01 CPU %user %nice %system %iowait %steal %idle 01:31:02 all 14.48 0.00 5.59 3.74 0.48 75.71 01:31:02 0 7.67 0.00 4.38 2.99 0.40 84.56 01:31:02 1 12.11 0.00 4.24 2.29 0.58 80.78 01:31:02 2 17.15 0.00 5.96 4.89 0.50 71.50 01:31:02 3 21.05 0.00 7.76 4.76 0.44 66.00 Average: all 14.48 0.00 5.59 3.74 0.48 75.71 Average: 0 7.67 0.00 4.38 2.99 0.40 84.56 Average: 1 12.11 0.00 4.24 2.29 0.58 80.78 Average: 2 17.15 0.00 5.96 4.89 0.50 71.50 Average: 3 21.05 0.00 7.76 4.76 0.44 66.00