---> uname -a: Linux 91e7d708d7f2 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_master /dev/vda1 50.0G 7.8G 42.2G 16% /w/workspace/edgexfoundry_edgex-docs_master@tmp /dev/vda1 50.0G 7.8G 42.2G 16% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1837 661 98 0 1077 1073 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) 08/04/20 _x86_64_ (4 CPU) 23:22:45 LINUX RESTART 23:24:02 tps rtps wtps bread/s bwrtn/s 23:25:01 88.40 23.43 64.97 2224.22 14018.12 23:26:01 36.99 7.11 29.88 361.33 13956.59 Average: 62.48 15.20 47.28 1285.05 13987.10 23:24:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:25:01 107756 1773800 94.27 2620 1194672 1139524 38.89 566020 983940 7792 23:26:01 235312 1646244 87.49 2596 1038264 1147884 39.18 814204 652652 77332 Average: 171534 1710022 90.88 2608 1116468 1143704 39.03 690112 818296 42562 23:24:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 23:25:01 vethcd15d94 17.75 39.35 1.59 297.80 0.00 0.00 0.00 23:25:01 eth0 871.00 551.73 4297.88 978.13 0.00 0.00 0.00 23:25:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 23:25:01 docker0 17.75 39.22 1.35 297.79 0.00 0.00 0.00 23:26:01 eth0 1537.64 888.19 5282.93 1829.23 0.00 0.00 0.00 23:26:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:26:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 906.60 532.34 2852.85 1368.51 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 8.80 19.45 0.67 147.66 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) 08/04/20 _x86_64_ (4 CPU) 23:22:45 LINUX RESTART 23:24:02 CPU %user %nice %system %iowait %steal %idle 23:25:01 all 14.39 0.00 3.36 0.99 10.72 70.55 23:25:01 0 17.56 0.00 4.22 0.15 11.06 67.00 23:25:01 1 8.37 0.00 2.08 1.64 10.79 77.12 23:25:01 2 7.80 0.00 2.97 1.74 10.54 76.94 23:25:01 3 24.41 0.00 4.20 0.38 10.49 60.52 23:26:01 all 10.62 0.00 2.64 0.41 21.04 65.28 23:26:01 0 8.68 0.00 3.03 0.08 26.03 62.18 23:26:01 1 9.19 0.00 2.13 0.67 21.59 66.42 23:26:01 2 12.47 0.00 2.88 0.84 18.28 65.53 23:26:01 3 12.20 0.00 2.55 0.10 18.16 66.99 Average: all 12.47 0.00 2.99 0.70 15.97 67.87 Average: 0 12.98 0.00 3.61 0.12 18.79 64.52 Average: 1 8.78 0.00 2.11 1.15 16.24 71.72 Average: 2 10.15 0.00 2.92 1.29 14.45 71.19 Average: 3 18.15 0.00 3.36 0.23 14.42 63.84