---> uname -a: Linux 3c23ba7a6be5 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: 2933.396 BogoMIPS: 5866.79 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-167 /dev/vda1 50.0G 7.8G 42.2G 16% /w/workspace/edgexfoundry_edgex-docs_PR-167@tmp /dev/vda1 50.0G 7.8G 42.2G 16% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1837 662 91 0 1083 1071 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) 06/15/20 _x86_64_ (4 CPU) 21:12:44 LINUX RESTART 21:13:01 tps rtps wtps bread/s bwrtn/s 21:14:01 246.50 104.16 142.34 12689.11 64549.68 21:15:01 266.96 146.71 120.24 11948.86 31155.42 Average: 256.73 125.43 131.29 12319.02 47853.94 21:13:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:14:01 78712 1802844 95.82 2620 1159444 1253632 42.78 608856 994764 63180 21:15:01 121584 1759972 93.54 1492 1108360 1242308 42.40 667840 890244 292 Average: 100148 1781408 94.68 2056 1133902 1247970 42.59 638348 942504 31736 21:13:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 21:14:01 eth0 1214.51 761.87 4250.99 122.02 0.00 0.00 0.00 21:14:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:14:01 veth3bb7b7c 19.76 45.22 1.60 224.16 0.00 0.00 0.00 21:14:01 docker0 19.76 45.09 1.33 224.15 0.00 0.00 0.00 21:15:01 eth0 1056.22 657.92 2593.89 2809.34 0.00 0.00 0.00 21:15:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:15:01 veth9000c34 0.22 0.28 0.37 0.10 0.00 0.00 0.00 21:15:01 docker0 6.39 11.70 0.80 70.37 0.00 0.00 0.00 Average: eth0 1135.37 709.90 3422.50 1465.57 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth9000c34 0.11 0.14 0.18 0.05 0.00 0.00 0.00 Average: docker0 13.08 28.40 1.06 147.27 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) 06/15/20 _x86_64_ (4 CPU) 21:12:44 LINUX RESTART 21:13:01 CPU %user %nice %system %iowait %steal %idle 21:14:01 all 22.13 0.00 8.04 12.16 0.02 57.65 21:14:01 0 24.42 0.00 9.33 11.45 0.00 54.80 21:14:01 1 21.26 0.00 7.52 13.90 0.02 57.30 21:14:01 2 21.49 0.00 7.47 10.26 0.02 60.76 21:14:01 3 21.35 0.00 7.88 13.02 0.02 57.73 21:15:01 all 18.06 0.00 5.95 3.95 0.03 72.02 21:15:01 0 16.20 0.00 5.33 2.61 0.03 75.82 21:15:01 1 11.08 0.00 5.30 6.83 0.02 76.77 21:15:01 2 10.07 0.00 4.86 3.45 0.03 81.59 21:15:01 3 34.85 0.00 8.28 2.93 0.02 53.91 Average: all 20.10 0.00 7.00 8.06 0.02 64.83 Average: 0 20.32 0.00 7.33 7.04 0.02 65.29 Average: 1 16.18 0.00 6.41 10.37 0.02 67.03 Average: 2 15.79 0.00 6.17 6.86 0.03 71.16 Average: 3 28.12 0.00 8.08 7.96 0.02 55.82