---> uname -a: Linux 05aa5d5ecffe 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-141 /dev/vda1 50.0G 7.8G 42.2G 16% /w/workspace/edgexfoundry_edgex-docs_PR-141@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 643 97 0 1096 1089 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) 06/12/20 _x86_64_ (4 CPU) 13:49:25 LINUX RESTART 13:50:01 tps rtps wtps bread/s bwrtn/s 13:51:01 162.37 45.12 117.26 8253.89 31655.33 Average: 162.37 45.12 117.26 8253.89 31655.33 13:50:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:51:01 119296 1762260 93.66 2620 1092772 1264656 43.16 607076 922088 49192 Average: 119296 1762260 93.66 2620 1092772 1264656 43.16 607076 922088 49192 13:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 13:51:01 vethd0b3a53 30.84 52.84 2.43 294.16 0.00 0.00 0.00 13:51:01 eth0 1080.80 775.45 4318.39 124.54 0.00 0.00 0.00 13:51:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 13:51:01 docker0 30.84 52.70 2.01 294.15 0.00 0.00 0.00 Average: vethd0b3a53 30.84 52.84 2.43 294.16 0.00 0.00 0.00 Average: eth0 1080.80 775.45 4318.39 124.54 0.00 0.00 0.00 Average: lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 Average: docker0 30.84 52.70 2.01 294.15 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) 06/12/20 _x86_64_ (4 CPU) 13:49:25 LINUX RESTART 13:50:01 CPU %user %nice %system %iowait %steal %idle 13:51:01 all 16.77 0.00 6.47 4.23 0.03 72.51 13:51:01 0 20.32 0.00 8.96 5.65 0.02 65.05 13:51:01 1 17.55 0.00 6.17 6.09 0.03 70.16 13:51:01 2 16.56 0.00 6.23 3.98 0.02 73.22 13:51:01 3 12.66 0.00 4.52 1.18 0.03 81.61 Average: all 16.77 0.00 6.47 4.23 0.03 72.51 Average: 0 20.32 0.00 8.96 5.65 0.02 65.05 Average: 1 17.55 0.00 6.17 6.09 0.03 70.16 Average: 2 16.56 0.00 6.23 3.98 0.02 73.22 Average: 3 12.66 0.00 4.52 1.18 0.03 81.61