---> uname -a: Linux 55a4bf542eac 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% /var/log/sa /dev/vda1 50.0G 7.8G 42.2G 16% /w/workspace/edgexfoundry_edgex-docs_PR-140 /dev/vda1 50.0G 7.8G 42.2G 16% /w/workspace/edgexfoundry_edgex-docs_PR-140@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 622 106 0 1108 1110 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) 06/27/20 _x86_64_ (4 CPU) 02:38:23 LINUX RESTART 02:39:01 tps rtps wtps bread/s bwrtn/s 02:40:01 68.19 17.25 50.93 4805.46 20559.85 02:41:01 250.34 117.51 132.83 11551.74 32784.69 Average: 159.26 67.38 91.88 8178.32 26671.76 02:39:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:40:01 112984 1768572 94.00 2620 1186904 1322876 45.15 496432 1096972 103540 02:41:01 70288 1811268 96.26 1728 1153692 1557484 53.15 690808 927108 99916 Average: 91636 1789920 95.13 2174 1170298 1440180 49.15 593620 1012040 101728 02:39:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 02:40:01 eth0 821.35 626.56 3513.31 64.11 0.00 0.00 0.00 02:40:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:41:01 eth0 182.43 115.69 2651.47 38.22 0.00 0.00 0.00 02:41:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:41:01 docker0 30.74 52.24 2.04 294.18 0.00 0.00 0.00 Average: eth0 501.91 371.15 3082.42 51.16 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 15.37 26.12 1.02 147.08 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) 06/27/20 _x86_64_ (4 CPU) 02:38:23 LINUX RESTART 02:39:01 CPU %user %nice %system %iowait %steal %idle 02:40:01 all 6.15 0.00 2.13 1.99 0.02 89.72 02:40:01 0 7.10 0.00 2.65 0.95 0.00 89.31 02:40:01 1 5.90 0.00 2.02 4.86 0.02 87.20 02:40:01 2 5.84 0.00 1.71 0.28 0.03 92.14 02:40:01 3 5.79 0.00 2.16 1.87 0.00 90.18 02:41:01 all 14.57 0.00 6.21 5.15 0.02 74.05 02:41:01 0 14.80 0.00 6.96 2.96 0.02 75.26 02:41:01 1 21.63 0.00 5.96 6.59 0.02 65.81 02:41:01 2 13.43 0.00 7.30 5.27 0.00 74.01 02:41:01 3 8.40 0.00 4.61 5.79 0.03 81.17 Average: all 10.36 0.00 4.17 3.57 0.02 81.89 Average: 0 10.97 0.00 4.81 1.96 0.01 82.25 Average: 1 13.75 0.00 3.99 5.73 0.02 76.52 Average: 2 9.62 0.00 4.49 2.77 0.02 83.10 Average: 3 7.09 0.00 3.38 3.82 0.02 85.70