---> uname -a: Linux 48d4dd36345d 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-165@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-165 ---> free -m: total used free shared buff/cache available Mem: 1837 627 82 0 1127 1106 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) 07/13/20 _x86_64_ (4 CPU) 13:49:32 LINUX RESTART 13:50:02 tps rtps wtps bread/s bwrtn/s 13:51:01 131.65 48.15 83.50 8445.15 27693.89 13:52:01 107.79 47.72 60.07 6061.80 11922.01 Average: 119.62 47.93 71.69 7243.78 19743.75 13:50:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:51:01 88616 1792940 95.29 2620 1207528 1235476 42.16 554532 1059124 36280 13:52:01 77780 1803776 95.87 2596 1189660 1114588 38.04 779880 817904 60 Average: 83198 1798358 95.58 2608 1198594 1175032 40.10 667206 938514 18170 13:50:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 13:51:01 eth0 842.78 599.76 4184.11 94.08 0.00 0.00 0.00 13:51:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:51:01 vethaf79590 13.54 23.02 1.03 159.84 0.00 0.00 0.00 13:51:01 docker0 13.54 22.91 0.84 159.83 0.00 0.00 0.00 13:52:01 eth0 996.44 622.16 338.11 2834.34 0.00 0.00 0.00 13:52:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:52:01 docker0 15.93 22.23 1.12 136.62 0.00 0.00 0.00 Average: eth0 920.23 611.05 2245.45 1475.37 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 14.75 22.57 0.98 148.13 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) 07/13/20 _x86_64_ (4 CPU) 13:49:32 LINUX RESTART 13:50:02 CPU %user %nice %system %iowait %steal %idle 13:51:01 all 19.93 0.00 6.56 2.98 5.36 65.17 13:51:01 0 16.33 0.00 8.43 0.84 6.16 68.23 13:51:01 1 24.95 0.00 5.39 4.48 5.11 60.07 13:51:01 2 19.08 0.00 5.06 1.10 4.84 69.92 13:51:01 3 19.31 0.00 7.42 5.48 5.36 62.43 13:52:01 all 18.82 0.00 5.46 1.67 0.80 73.25 13:52:01 0 15.70 0.00 5.39 2.20 0.72 75.98 13:52:01 1 24.99 0.00 5.75 0.71 0.63 67.92 13:52:01 2 18.27 0.00 5.94 2.28 1.02 72.49 13:52:01 3 16.23 0.00 4.77 1.49 0.82 76.70 Average: all 19.37 0.00 6.01 2.33 3.08 69.21 Average: 0 16.02 0.00 6.91 1.52 3.45 72.10 Average: 1 24.97 0.00 5.57 2.59 2.86 64.01 Average: 2 18.68 0.00 5.50 1.69 2.94 71.20 Average: 3 17.77 0.00 6.10 3.49 3.10 69.55