---> uname -a: Linux 3eb2312ef24c 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% /w/workspace/edgexfoundry_edgex-docs_PR-170 /dev/vda1 50.0G 7.8G 42.2G 16% /w/workspace/edgexfoundry_edgex-docs_PR-170@tmp /dev/vda1 50.0G 7.8G 42.2G 16% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1837 608 103 0 1125 1125 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) 06/18/20 _x86_64_ (4 CPU) 04:28:10 LINUX RESTART 04:29:02 tps rtps wtps bread/s bwrtn/s 04:30:01 117.72 35.52 82.21 7363.00 27872.25 04:31:01 72.33 15.00 57.33 3135.13 8638.93 Average: 94.85 25.18 69.67 5232.42 18179.89 04:29:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 04:30:01 76044 1805512 95.96 2620 1181032 1266600 43.23 585484 1031904 61512 04:31:01 134812 1746744 92.84 2596 1147688 1212336 41.37 675388 857132 108220 Average: 105428 1776128 94.40 2608 1164360 1239468 42.30 630436 944518 84866 04:29:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 04:30:01 vethdd092e6 13.94 28.97 1.29 226.29 0.00 0.00 0.00 04:30:01 eth0 849.46 641.76 4310.17 114.52 0.00 0.00 0.00 04:30:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 04:30:01 docker0 13.94 28.83 1.10 226.28 0.00 0.00 0.00 04:31:01 vethdd092e6 5.40 8.57 0.47 69.99 0.00 0.00 0.00 04:31:01 eth0 364.71 251.55 178.54 1610.46 0.00 0.00 0.00 04:31:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:31:01 docker0 5.40 8.57 0.39 69.99 0.00 0.00 0.00 Average: vethdd092e6 9.64 18.69 0.88 147.52 0.00 0.00 0.00 Average: eth0 605.18 445.12 2228.10 868.38 0.00 0.00 0.00 Average: lo 0.06 0.06 0.00 0.00 0.00 0.00 0.00 Average: docker0 9.64 18.62 0.74 147.52 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) 06/18/20 _x86_64_ (4 CPU) 04:28:10 LINUX RESTART 04:29:02 CPU %user %nice %system %iowait %steal %idle 04:30:01 all 9.87 0.00 3.83 2.45 17.11 66.74 04:30:01 0 14.61 0.00 4.85 4.53 19.17 56.85 04:30:01 1 9.02 0.00 3.25 0.78 16.66 70.28 04:30:01 2 7.91 0.00 3.21 2.15 15.79 70.94 04:30:01 3 8.04 0.00 4.09 2.39 16.87 68.62 04:31:01 all 12.80 0.00 3.39 1.01 13.64 69.16 04:31:01 0 8.90 0.00 2.25 0.77 15.65 72.43 04:31:01 1 9.16 0.00 2.70 1.56 13.74 72.85 04:31:01 2 20.15 0.00 4.90 0.86 12.94 61.15 04:31:01 3 13.37 0.00 3.76 0.84 12.13 69.90 Average: all 11.35 0.00 3.61 1.72 15.35 67.96 Average: 0 11.65 0.00 3.50 2.58 17.35 64.92 Average: 1 9.09 0.00 2.97 1.18 15.18 71.58 Average: 2 13.99 0.00 4.06 1.51 14.37 66.07 Average: 3 10.71 0.00 3.92 1.61 14.49 69.26