---> uname -a: Linux 5b7d81092df8 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 7.8G 42.1G 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 42.1G 16% /etc/resolv.conf /dev/vda1 50.0G 7.8G 42.1G 16% /etc/hostname /dev/vda1 50.0G 7.8G 42.1G 16% /etc/hosts /dev/vda1 50.0G 7.8G 42.1G 16% /w/workspace/edgexfoundry_edgex-docs_master /dev/vda1 50.0G 7.8G 42.1G 16% /w/workspace/edgexfoundry_edgex-docs_master@tmp /dev/vda1 50.0G 7.8G 42.1G 16% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1837 624 102 0 1110 1110 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) 07/15/20 _x86_64_ (4 CPU) 20:10:36 LINUX RESTART 20:11:01 tps rtps wtps bread/s bwrtn/s 20:12:02 182.70 62.18 120.53 9716.93 47840.74 20:13:01 104.28 22.96 81.32 4288.93 24269.17 Average: 143.83 42.73 101.09 7025.94 36154.87 20:11:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:12:02 72836 1808720 96.13 2620 1157852 1243844 42.45 597928 1008388 65380 20:13:01 255108 1626448 86.44 2596 1060240 1070192 36.52 667608 780680 116360 Average: 163972 1717584 91.29 2608 1109046 1157018 39.49 632768 894534 90870 20:11:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 20:12:02 eth0 978.99 732.51 4261.30 102.82 0.00 0.00 0.00 20:12:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:12:02 docker0 17.25 27.55 1.26 224.58 0.00 0.00 0.00 20:12:02 veth064b4a5 17.25 27.68 1.49 224.59 0.00 0.00 0.00 20:13:01 eth0 4008.01 2416.53 5876.80 3104.49 0.00 0.00 0.00 20:13:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:13:01 docker0 5.52 8.26 0.40 71.39 0.00 0.00 0.00 Average: eth0 2480.66 1567.38 5062.20 1590.93 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 11.43 17.99 0.83 148.64 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) 07/15/20 _x86_64_ (4 CPU) 20:10:36 LINUX RESTART 20:11:01 CPU %user %nice %system %iowait %steal %idle 20:12:02 all 18.55 0.00 6.22 7.59 0.01 67.62 20:12:02 0 20.11 0.00 7.08 8.05 0.00 64.76 20:12:02 1 17.70 0.00 5.28 5.68 0.03 71.31 20:12:02 2 18.74 0.00 6.34 7.30 0.02 67.60 20:12:02 3 17.66 0.00 6.19 9.37 0.00 66.79 20:13:01 all 21.81 0.00 5.74 1.36 0.02 71.07 20:13:01 0 19.30 0.00 10.72 1.38 0.04 68.56 20:13:01 1 31.01 0.00 3.55 1.26 0.00 64.18 20:13:01 2 18.67 0.00 4.00 0.81 0.02 76.50 20:13:01 3 18.18 0.00 4.80 1.97 0.02 75.03 Average: all 20.16 0.00 5.98 4.51 0.01 69.33 Average: 0 19.71 0.00 8.87 4.77 0.02 66.63 Average: 1 24.29 0.00 4.42 3.49 0.02 67.78 Average: 2 18.70 0.00 5.18 4.09 0.02 72.01 Average: 3 17.91 0.00 5.50 5.71 0.01 70.87