---> uname -a: Linux 7e16e6d122af 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: 2933.442 BogoMIPS: 5866.88 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 7.3G 42.7G 15% / 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 7.3G 42.7G 15% /etc/resolv.conf /dev/vda1 50.0G 7.3G 42.7G 15% /etc/hostname /dev/vda1 50.0G 7.3G 42.7G 15% /etc/hosts /dev/vda1 50.0G 7.3G 42.7G 15% /var/log/sa-host /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/edgexfoundry_edgex-docs_PR-246 /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/edgexfoundry_edgex-docs_PR-246@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 658 137 0 1041 1072 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) 09/24/20 _x86_64_ (4 CPU) 21:15:46 LINUX RESTART (4 CPU) 21:17:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:18:01 0.60 0.00 0.60 0.00 0.00 12.57 0.00 21:19:01 106.41 30.33 76.07 0.00 6286.46 20054.99 0.00 Average: 53.53 15.17 38.36 0.00 3144.80 10038.79 0.00 21:17:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:18:01 133796 0 437940 23.28 2620 1307200 979496 33.43 277120 1317428 20 21:19:01 64844 0 651588 34.63 2620 1162504 1245392 42.50 579396 1029660 81892 Average: 99320 0 544764 28.95 2620 1234852 1112444 37.97 428258 1173544 40956 21:17:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:18:01 eth0 0.62 0.32 0.28 0.20 0.00 0.00 0.00 0.00 21:18:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:18:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:19:01 eth0 957.65 819.53 4035.74 105.48 0.00 0.00 0.00 0.00 21:19:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:19:01 veth3d71530 24.23 33.91 2.08 297.48 0.00 0.00 0.00 0.00 21:19:01 docker0 24.23 33.78 1.75 297.47 0.00 0.00 0.00 0.00 Average: eth0 479.37 410.13 2019.02 52.87 0.00 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth3d71530 12.12 16.96 1.04 148.82 0.00 0.00 0.00 0.00 Average: docker0 12.12 16.90 0.88 148.81 0.00 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) 09/24/20 _x86_64_ (4 CPU) 21:15:46 LINUX RESTART (4 CPU) 21:17:01 CPU %user %nice %system %iowait %steal %idle 21:18:01 all 0.17 0.00 0.03 0.00 0.01 99.79 21:18:01 0 0.05 0.00 0.03 0.00 0.02 99.90 21:18:01 1 0.53 0.00 0.05 0.00 0.00 99.42 21:18:01 2 0.05 0.00 0.03 0.00 0.00 99.92 21:18:01 3 0.03 0.00 0.02 0.00 0.02 99.93 21:19:01 all 13.67 0.00 4.78 2.30 0.03 79.22 21:19:01 0 13.93 0.00 6.37 0.91 0.03 78.76 21:19:01 1 16.62 0.00 5.62 5.62 0.03 72.10 21:19:01 2 14.71 0.00 4.49 1.85 0.03 78.92 21:19:01 3 9.42 0.00 2.65 0.82 0.00 87.10 Average: all 6.89 0.00 2.40 1.15 0.02 89.55 Average: 0 6.94 0.00 3.18 0.45 0.03 89.40 Average: 1 8.55 0.00 2.83 2.80 0.02 85.80 Average: 2 7.35 0.00 2.25 0.92 0.02 89.46 Average: 3 4.71 0.00 1.33 0.41 0.01 93.54