---> uname -a: Linux cfe797d791b4 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: 2933.436 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 7.6G 42.4G 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 7.6G 42.4G 15% /etc/resolv.conf /dev/vda1 50.0G 7.6G 42.4G 15% /etc/hostname /dev/vda1 50.0G 7.6G 42.4G 15% /etc/hosts /dev/vda1 50.0G 7.6G 42.4G 15% /var/log/sa /dev/vda1 50.0G 7.6G 42.4G 15% /w/workspace/edgexfoundry_edgex-docs_PR-204 /dev/vda1 50.0G 7.6G 42.4G 15% /w/workspace/edgexfoundry_edgex-docs_PR-204@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 671 100 0 1065 1061 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) 08/25/20 _x86_64_ (4 CPU) 01:50:21 LINUX RESTART 01:51:03 tps rtps wtps bread/s bwrtn/s 01:52:01 132.87 45.83 87.04 8785.40 24673.82 01:53:01 207.87 111.90 95.97 8165.78 27075.92 Average: 171.00 79.42 91.58 8470.40 25894.99 01:51:03 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:52:01 87608 1793948 95.34 2620 1172304 1242924 42.42 570664 1022936 74640 01:53:01 91568 1789988 95.13 2596 1117344 1295392 44.21 607596 966604 20 Average: 89588 1791968 95.24 2608 1144824 1269158 43.31 589130 994770 37330 01:51:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 01:52:01 eth0 1006.97 629.74 4341.86 103.37 0.00 0.00 0.00 01:52:01 vetha4ebd8a 21.77 38.40 1.87 303.37 0.00 0.00 0.00 01:52:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 01:52:01 docker0 21.77 38.26 1.57 303.36 0.00 0.00 0.00 01:53:01 eth0 561.15 361.75 2433.46 1516.66 0.00 0.00 0.00 01:53:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:53:01 docker0 0.10 0.07 0.00 0.01 0.00 0.00 0.00 Average: eth0 780.33 493.50 3371.67 821.86 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 10.75 18.84 0.77 149.14 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) 08/25/20 _x86_64_ (4 CPU) 01:50:21 LINUX RESTART 01:51:03 CPU %user %nice %system %iowait %steal %idle 01:52:01 all 18.48 0.00 5.86 3.33 0.23 72.11 01:52:01 0 25.06 0.00 8.47 4.33 0.27 61.88 01:52:01 1 13.04 0.00 4.35 4.26 0.25 78.11 01:52:01 2 19.65 0.00 5.17 1.82 0.16 73.20 01:52:01 3 16.29 0.00 5.47 2.90 0.23 75.11 01:53:01 all 13.50 0.00 4.89 3.31 0.22 78.08 01:53:01 0 14.85 0.00 5.91 2.09 0.21 76.94 01:53:01 1 13.50 0.00 4.87 5.18 0.17 76.28 01:53:01 2 10.89 0.00 4.43 0.93 0.22 83.53 01:53:01 3 14.78 0.00 4.35 5.05 0.25 75.57 Average: all 15.94 0.00 5.37 3.32 0.22 75.15 Average: 0 19.85 0.00 7.16 3.19 0.24 69.56 Average: 1 13.27 0.00 4.61 4.73 0.21 77.18 Average: 2 15.18 0.00 4.79 1.37 0.19 78.48 Average: 3 15.52 0.00 4.90 3.99 0.24 75.34