---> uname -a: Linux acc57b6641c2 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 7.7G 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 7.7G 42.2G 16% /etc/resolv.conf /dev/vda1 50.0G 7.7G 42.2G 16% /etc/hostname /dev/vda1 50.0G 7.7G 42.2G 16% /etc/hosts /dev/vda1 50.0G 7.7G 42.2G 16% /var/log/sa /dev/vda1 50.0G 7.7G 42.2G 16% /w/workspace/edgexfoundry_edgex-docs_PR-141 /dev/vda1 50.0G 7.7G 42.2G 16% /w/workspace/edgexfoundry_edgex-docs_PR-141@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 663 100 0 1072 1070 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) 08/05/20 _x86_64_ (4 CPU) 01:50:33 LINUX RESTART 01:51:01 tps rtps wtps bread/s bwrtn/s 01:52:01 120.41 38.00 82.41 7167.38 25307.01 01:53:02 205.18 120.67 84.51 8815.04 25629.24 Average: 162.79 79.34 83.46 7991.28 25468.14 01:51:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:52:01 87660 1793896 95.34 2620 1175596 1271776 43.40 593244 1016816 27708 01:53:02 68600 1812956 96.35 2160 1120188 1564880 53.41 701820 913236 100016 Average: 78130 1803426 95.85 2390 1147892 1418328 48.40 647532 965026 63862 01:51:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 01:52:01 vetha1411b4 12.08 22.05 1.00 177.30 0.00 0.00 0.00 01:52:01 eth0 869.37 602.43 4077.94 102.33 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 12.08 21.95 0.83 177.29 0.00 0.00 0.00 01:53:02 eth0 1030.95 648.41 2624.36 2611.67 0.00 0.00 0.00 01:53:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:53:02 docker0 12.65 16.29 0.87 116.25 0.00 0.00 0.00 Average: eth0 930.73 617.96 3317.46 1356.29 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 12.37 19.12 0.85 146.77 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) 08/05/20 _x86_64_ (4 CPU) 01:50:33 LINUX RESTART 01:51:01 CPU %user %nice %system %iowait %steal %idle 01:52:01 all 17.42 0.00 5.48 2.84 0.36 73.90 01:52:01 0 19.54 0.00 5.78 1.76 0.34 72.57 01:52:01 1 14.80 0.00 4.75 3.75 0.41 76.29 01:52:01 2 19.14 0.00 5.81 4.74 0.42 69.89 01:52:01 3 16.21 0.00 5.55 1.07 0.29 76.89 01:53:02 all 20.38 0.00 6.28 2.28 0.22 70.84 01:53:02 0 15.43 0.00 6.28 0.81 0.22 77.25 01:53:02 1 25.01 0.00 6.32 5.37 0.24 63.06 01:53:02 2 27.10 0.00 6.26 0.56 0.20 65.88 01:53:02 3 13.88 0.00 6.24 2.34 0.22 77.32 Average: all 18.90 0.00 5.88 2.56 0.29 72.38 Average: 0 17.49 0.00 6.03 1.29 0.28 74.90 Average: 1 19.90 0.00 5.53 4.56 0.32 69.69 Average: 2 23.12 0.00 6.03 2.65 0.31 67.88 Average: 3 15.05 0.00 5.89 1.70 0.25 77.10