---> uname -a: Linux 8799c5f782c6 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-163 /dev/vda1 50.0G 7.8G 42.2G 16% /w/workspace/edgexfoundry_edgex-docs_PR-163@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 644 99 0 1093 1089 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) 07/29/20 _x86_64_ (4 CPU) 01:50:28 LINUX RESTART 01:51:01 tps rtps wtps bread/s bwrtn/s 01:52:01 136.94 43.46 93.48 7821.63 29050.65 01:53:02 229.22 125.45 103.77 10556.27 27660.39 Average: 183.24 84.59 98.64 9193.60 28353.15 01:51:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:52:01 76940 1804616 95.91 2620 1143944 1255816 42.86 619008 983468 71080 01:53:02 132416 1749140 92.96 1492 1101672 1301840 44.43 645256 898784 77104 Average: 104678 1776878 94.44 2056 1122808 1278828 43.64 632132 941126 74092 01:51:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 01:52:01 eth0 1040.93 715.51 4253.66 106.62 0.00 0.00 0.00 01:52:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:52:01 veth62f2c67 26.34 41.01 2.05 223.94 0.00 0.00 0.00 01:52:01 docker0 26.34 40.88 1.69 223.93 0.00 0.00 0.00 01:53:02 eth0 1080.07 657.66 2570.08 2853.59 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 5.44 9.01 0.40 69.61 0.00 0.00 0.00 Average: eth0 1060.57 686.49 3409.00 1484.77 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 15.85 24.89 1.04 146.51 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) 07/29/20 _x86_64_ (4 CPU) 01:50:28 LINUX RESTART 01:51:01 CPU %user %nice %system %iowait %steal %idle 01:52:01 all 18.21 0.00 5.85 3.05 0.06 72.83 01:52:01 0 17.52 0.00 5.91 0.70 0.07 75.80 01:52:01 1 17.38 0.00 5.96 2.51 0.05 74.10 01:52:01 2 20.14 0.00 5.71 3.76 0.07 70.31 01:52:01 3 17.78 0.00 5.81 5.23 0.05 71.13 01:53:02 all 19.49 0.00 6.95 2.64 0.08 70.85 01:53:02 0 16.15 0.00 7.17 1.68 0.07 74.93 01:53:02 1 18.76 0.00 7.34 3.48 0.10 70.32 01:53:02 2 25.90 0.00 6.60 2.18 0.08 65.24 01:53:02 3 17.07 0.00 6.69 3.22 0.07 72.95 Average: all 18.85 0.00 6.40 2.84 0.07 71.84 Average: 0 16.84 0.00 6.54 1.19 0.07 75.37 Average: 1 18.07 0.00 6.65 2.99 0.08 72.21 Average: 2 23.03 0.00 6.16 2.97 0.08 67.77 Average: 3 17.43 0.00 6.25 4.22 0.06 72.04