---> uname -a: Linux e68bae0676c2 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 42.2G 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_master /dev/vda1 50.0G 7.8G 42.2G 16% /w/workspace/edgexfoundry_edgex-docs_master@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 633 84 0 1120 1101 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) 07/13/20 _x86_64_ (4 CPU) 16:03:33 LINUX RESTART 16:04:01 tps rtps wtps bread/s bwrtn/s 16:05:01 176.85 63.59 113.26 9728.21 39905.23 16:06:01 95.72 17.83 77.89 3156.71 27225.19 Average: 136.30 40.72 95.58 6443.28 33566.79 16:04:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:05:01 76188 1805368 95.95 2620 1182248 1247620 42.58 579580 1024636 76996 16:06:01 247560 1633996 86.84 2596 1054476 1092640 37.29 853224 598700 1780 Average: 161874 1719682 91.40 2608 1118362 1170130 39.93 716402 811668 39388 16:04:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 16:05:01 eth0 879.60 586.45 4243.93 103.76 0.00 0.00 0.00 16:05:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:05:01 veth4b28a30 18.29 32.14 1.55 224.03 0.00 0.00 0.00 16:05:01 docker0 18.29 32.00 1.30 224.02 0.00 0.00 0.00 16:06:01 eth0 3870.11 2570.61 5781.11 3061.51 0.00 0.00 0.00 16:06:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:06:01 docker0 5.84 9.31 0.42 70.16 0.00 0.00 0.00 Average: eth0 2374.48 1578.29 5012.33 1582.27 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 12.07 20.66 0.86 147.11 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) 07/13/20 _x86_64_ (4 CPU) 16:03:33 LINUX RESTART 16:04:01 CPU %user %nice %system %iowait %steal %idle 16:05:01 all 20.31 0.00 7.62 6.93 0.03 65.12 16:05:01 0 19.15 0.00 7.90 6.61 0.02 66.32 16:05:01 1 21.27 0.00 8.24 8.26 0.03 62.20 16:05:01 2 20.54 0.00 7.43 6.84 0.03 65.16 16:05:01 3 20.27 0.00 6.91 6.01 0.02 66.80 16:06:01 all 21.28 0.00 7.37 1.38 0.03 69.95 16:06:01 0 23.87 0.00 12.36 1.04 0.02 62.71 16:06:01 1 16.36 0.00 4.40 0.91 0.05 78.28 16:06:01 2 15.85 0.00 7.11 1.50 0.03 75.51 16:06:01 3 29.07 0.00 5.66 2.02 0.02 63.23 Average: all 20.79 0.00 7.49 4.16 0.03 67.53 Average: 0 21.50 0.00 10.11 3.84 0.02 64.53 Average: 1 18.82 0.00 6.32 4.59 0.04 70.22 Average: 2 18.20 0.00 7.27 4.17 0.03 70.32 Average: 3 24.67 0.00 6.28 4.02 0.02 65.01