---> uname -a: Linux 7589f650f725 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 7.7G 42.3G 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 7.7G 42.3G 15% /etc/resolv.conf /dev/vda1 50.0G 7.7G 42.3G 15% /etc/hostname /dev/vda1 50.0G 7.7G 42.3G 15% /etc/hosts /dev/vda1 50.0G 7.7G 42.3G 15% /var/log/sa /dev/vda1 50.0G 7.7G 42.3G 15% /w/workspace/edgexfoundry_edgex-docs_master /dev/vda1 50.0G 7.7G 42.3G 15% /w/workspace/edgexfoundry_edgex-docs_master@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 639 110 0 1086 1095 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) 08/09/20 _x86_64_ (4 CPU) 21:43:43 LINUX RESTART 21:45:01 tps rtps wtps bread/s bwrtn/s 21:46:01 84.82 23.62 61.20 2252.19 12871.88 21:47:01 39.45 7.10 32.35 350.59 13340.63 Average: 62.13 15.36 46.77 1301.23 13106.29 21:45:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:46:01 113956 1767600 93.94 2620 1121120 1253752 42.79 580348 972472 8816 21:47:01 226812 1654744 87.95 2620 1074156 1159344 39.57 758440 713968 65660 Average: 170384 1711172 90.94 2620 1097638 1206548 41.18 669394 843220 37238 21:45:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 21:46:01 vethcde063d 36.92 50.61 2.83 293.97 0.00 0.00 0.00 21:46:01 eth0 828.60 501.45 4226.37 728.53 0.00 0.00 0.00 21:46:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 21:46:01 docker0 36.92 50.47 2.32 293.96 0.00 0.00 0.00 21:47:01 eth0 1339.29 801.91 4892.17 1698.09 0.00 0.00 0.00 21:47:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:47:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 777.41 477.56 2628.17 1177.53 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 18.46 25.23 1.16 146.95 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) 08/09/20 _x86_64_ (4 CPU) 21:43:43 LINUX RESTART 21:45:01 CPU %user %nice %system %iowait %steal %idle 21:46:01 all 13.65 0.00 3.42 0.65 10.91 71.37 21:46:01 0 9.51 0.00 2.97 0.18 11.67 75.68 21:46:01 1 21.16 0.00 3.88 0.96 11.91 62.09 21:46:01 2 12.45 0.00 3.12 1.15 10.23 73.05 21:46:01 3 11.69 0.00 3.74 0.32 9.81 74.43 21:47:01 all 10.57 0.00 2.61 0.30 17.79 68.73 21:47:01 0 7.67 0.00 2.29 0.08 23.23 66.73 21:47:01 1 13.15 0.00 3.72 0.26 18.56 64.31 21:47:01 2 12.79 0.00 2.56 0.55 16.32 67.78 21:47:01 3 8.76 0.00 1.90 0.34 12.92 76.08 Average: all 12.10 0.00 3.01 0.48 14.38 70.04 Average: 0 8.59 0.00 2.63 0.13 17.45 71.21 Average: 1 17.11 0.00 3.79 0.61 15.28 63.21 Average: 2 12.62 0.00 2.84 0.85 13.26 70.43 Average: 3 10.19 0.00 2.80 0.33 11.40 75.27