---> uname -a: Linux e84bfdb5ad1b 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 7.8G 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_PR-186@tmp /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-186 ---> free -m: total used free shared buff/cache available Mem: 1837 658 98 0 1080 1074 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) 07/18/20 _x86_64_ (4 CPU) 21:07:39 LINUX RESTART 21:08:02 tps rtps wtps bread/s bwrtn/s 21:09:01 200.54 72.02 128.52 10380.64 56504.11 21:10:01 257.22 137.42 119.80 11397.27 29675.06 Average: 229.12 105.00 124.12 10893.30 42974.78 21:08:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:09:01 72200 1809356 96.16 2620 1158664 1258968 42.97 612732 1000664 98352 21:10:01 144724 1736832 92.31 1492 1113648 1145272 39.09 605836 931840 82272 Average: 108462 1773094 94.24 2056 1136156 1202120 41.03 609284 966252 90312 21:08:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 21:09:01 eth0 1016.94 607.55 4365.85 97.10 0.00 0.00 0.00 21:09:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:09:01 vetha225e4c 17.96 30.92 1.53 227.20 0.00 0.00 0.00 21:09:01 docker0 17.96 30.79 1.28 227.19 0.00 0.00 0.00 21:10:01 eth0 1093.54 688.40 2591.51 2854.59 0.00 0.00 0.00 21:10:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:10:01 docker0 5.89 9.33 0.42 70.11 0.00 0.00 0.00 Average: eth0 1055.57 648.32 3471.09 1487.64 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 11.87 19.97 0.85 147.98 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) 07/18/20 _x86_64_ (4 CPU) 21:07:39 LINUX RESTART 21:08:02 CPU %user %nice %system %iowait %steal %idle 21:09:01 all 20.95 0.00 8.17 5.09 0.08 65.71 21:09:01 0 18.97 0.00 8.96 3.52 0.10 68.44 21:09:01 1 19.43 0.00 7.91 7.91 0.09 64.67 21:09:01 2 21.77 0.00 7.70 5.46 0.09 64.99 21:09:01 3 23.60 0.00 8.14 3.47 0.07 64.72 21:10:01 all 19.24 0.00 7.01 3.44 0.11 70.19 21:10:01 0 27.32 0.00 7.78 6.35 0.08 58.46 21:10:01 1 9.88 0.00 5.56 2.80 0.12 81.65 21:10:01 2 26.43 0.00 6.93 2.55 0.14 63.95 21:10:01 3 13.39 0.00 7.77 2.04 0.12 76.68 Average: all 20.09 0.00 7.59 4.26 0.10 67.97 Average: 0 23.19 0.00 8.37 4.95 0.09 63.40 Average: 1 14.62 0.00 6.72 5.33 0.10 73.22 Average: 2 24.11 0.00 7.31 4.00 0.11 64.47 Average: 3 18.45 0.00 7.95 2.75 0.09 70.75