---> uname -a: Linux c4e44eb7a651 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 7.7G 42.3G 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 7.7G 42.3G 15% /etc/resolv.conf /dev/vda1 50.0G 7.7G 42.3G 15% /etc/hostname /dev/vda1 50.0G 7.7G 42.3G 15% /etc/hosts /dev/vda1 50.0G 7.7G 42.3G 15% /var/log/sa /dev/vda1 50.0G 7.7G 42.3G 15% /w/workspace/edgexfoundry_edgex-docs_PR-200 /dev/vda1 50.0G 7.7G 42.3G 15% /w/workspace/edgexfoundry_edgex-docs_PR-200@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 672 105 0 1060 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) 08/05/20 _x86_64_ (4 CPU) 01:49:38 LINUX RESTART 01:50:01 tps rtps wtps bread/s bwrtn/s 01:51:01 170.94 55.66 115.27 8292.80 54053.70 01:52:01 138.18 63.60 74.58 6880.00 18227.53 Average: 154.68 59.60 95.08 7591.79 36277.24 01:50:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:51:01 116948 1764608 93.78 2620 1084416 1905912 65.05 567196 1023932 40 01:52:01 75344 1806212 96.00 2596 1109864 1552920 53.00 729648 886444 85956 Average: 96146 1785410 94.89 2608 1097140 1729416 59.02 648422 955188 42998 01:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 01:51:01 eth0 994.86 655.07 3865.65 92.67 0.00 0.00 0.00 01:51:01 vethbf7b882 0.00 0.03 0.00 0.00 0.00 0.00 0.00 01:51:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 01:51:01 docker0 0.00 0.02 0.00 0.00 0.00 0.00 0.00 01:52:01 eth0 953.67 598.23 2832.37 2454.19 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 docker0 23.82 39.66 1.67 297.85 0.00 0.00 0.00 Average: eth0 974.42 626.86 3352.95 1264.42 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 11.82 19.69 0.83 147.79 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) 01:49:38 LINUX RESTART 01:50:01 CPU %user %nice %system %iowait %steal %idle 01:51:01 all 17.70 0.00 8.40 6.31 0.16 67.44 01:51:01 0 15.74 0.00 9.67 4.56 0.15 69.87 01:51:01 1 20.06 0.00 8.00 9.50 0.17 62.28 01:51:01 2 16.57 0.00 7.75 6.13 0.15 69.39 01:51:01 3 18.41 0.00 8.18 5.01 0.15 68.24 01:52:01 all 20.52 0.00 6.16 1.54 0.08 71.71 01:52:01 0 17.55 0.00 6.13 0.24 0.09 75.98 01:52:01 1 27.83 0.00 5.87 4.23 0.09 61.99 01:52:01 2 14.16 0.00 5.62 0.48 0.07 79.67 01:52:01 3 22.51 0.00 6.97 1.20 0.09 69.23 Average: all 19.10 0.00 7.28 3.94 0.12 69.56 Average: 0 16.64 0.00 7.91 2.41 0.12 72.92 Average: 1 23.91 0.00 6.94 6.88 0.13 62.13 Average: 2 15.38 0.00 6.70 3.34 0.11 74.48 Average: 3 20.45 0.00 7.58 3.12 0.12 68.73