---> uname -a: Linux 3d40007d1102 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 671 92 0 1073 1062 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) 08/04/20 _x86_64_ (4 CPU) 00:40:14 LINUX RESTART 00:41:01 tps rtps wtps bread/s bwrtn/s 00:42:01 125.49 37.69 87.81 7348.88 27525.76 00:43:02 53.36 12.55 40.81 1791.53 9617.75 Average: 89.40 25.11 64.29 4567.90 18564.32 00:41:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:42:01 76344 1805212 95.94 2620 1205104 1275556 43.53 598580 1022628 36964 00:43:02 84300 1797256 95.52 2596 1147784 1248116 42.60 769168 818828 7684 Average: 80322 1801234 95.73 2608 1176444 1261836 43.06 683874 920728 22324 00:41:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 00:42:01 eth0 736.64 525.73 3978.42 80.97 0.00 0.00 0.00 00:42:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:42:01 veth735eb31 11.57 24.08 1.04 210.30 0.00 0.00 0.00 00:42:01 docker0 11.57 23.95 0.88 210.29 0.00 0.00 0.00 00:43:02 eth0 506.11 335.45 231.37 2352.64 0.00 0.00 0.00 00:43:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:43:02 veth735eb31 5.98 10.73 0.54 82.48 0.00 0.00 0.00 00:43:02 docker0 5.98 10.73 0.45 82.48 0.00 0.00 0.00 Average: eth0 621.28 430.51 2103.34 1217.75 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth735eb31 8.77 17.40 0.79 146.33 0.00 0.00 0.00 Average: docker0 8.77 17.33 0.67 146.33 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) 08/04/20 _x86_64_ (4 CPU) 00:40:14 LINUX RESTART 00:41:01 CPU %user %nice %system %iowait %steal %idle 00:42:01 all 12.38 0.00 4.09 2.46 13.24 67.84 00:42:01 0 10.69 0.00 4.08 1.08 15.86 68.29 00:42:01 1 10.38 0.00 3.21 0.81 14.11 71.50 00:42:01 2 9.81 0.00 3.82 5.24 11.08 70.06 00:42:01 3 18.89 0.00 5.30 2.76 11.83 61.22 00:43:02 all 13.42 0.00 2.20 0.52 14.89 68.97 00:43:02 0 18.58 0.00 3.22 0.68 19.63 57.88 00:43:02 1 13.26 0.00 2.20 0.57 13.91 70.06 00:43:02 2 14.83 0.00 1.73 0.24 12.98 70.23 00:43:02 3 7.13 0.00 1.65 0.58 12.98 77.67 Average: all 12.90 0.00 3.13 1.48 14.07 68.41 Average: 0 14.69 0.00 3.64 0.88 17.78 63.01 Average: 1 11.82 0.00 2.70 0.69 14.01 70.78 Average: 2 12.31 0.00 2.78 2.74 12.02 70.14 Average: 3 12.78 0.00 3.40 1.63 12.43 69.76