---> uname -a: Linux c50f65c8bd10 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% /w/workspace/edgexfoundry_edgex-docs_PR-200 /dev/vda1 50.0G 7.8G 42.2G 16% /w/workspace/edgexfoundry_edgex-docs_PR-200@tmp /dev/vda1 50.0G 7.8G 42.2G 16% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1837 666 80 0 1090 1067 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) 01:49:29 LINUX RESTART 01:50:01 tps rtps wtps bread/s bwrtn/s 01:51:01 242.14 116.43 125.72 13905.63 61936.32 01:52:01 215.02 127.86 87.16 10163.52 25999.27 Average: 228.53 122.16 106.37 12027.74 43902.24 01:50:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:51:01 91424 1790132 95.14 2620 1147176 1249760 42.65 599988 1011936 16444 01:52:01 135248 1746308 92.81 1548 1080304 1309808 44.70 635432 906032 81036 Average: 113336 1768220 93.98 2084 1113740 1279784 43.68 617710 958984 48740 01:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 01:51:01 veth7dbfccf 8.41 14.80 0.60 114.36 0.00 0.00 0.00 01:51:01 eth0 1052.33 784.67 4212.67 102.98 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 8.41 14.70 0.49 114.35 0.00 0.00 0.00 01:52:01 eth0 1000.10 625.48 2668.17 2615.15 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 15.60 22.26 1.20 177.68 0.00 0.00 0.00 Average: eth0 1015.17 697.15 3417.35 1362.93 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 12.01 18.49 0.84 146.13 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) 08/04/20 _x86_64_ (4 CPU) 01:49:29 LINUX RESTART 01:50:01 CPU %user %nice %system %iowait %steal %idle 01:51:01 all 18.49 0.00 9.36 12.31 0.04 59.79 01:51:01 0 20.76 0.00 9.02 12.70 0.05 57.47 01:51:01 1 16.33 0.00 9.42 15.25 0.03 58.97 01:51:01 2 19.21 0.00 9.05 10.68 0.05 61.01 01:51:01 3 17.66 0.00 9.94 10.63 0.03 61.74 01:52:01 all 19.99 0.00 6.45 2.98 0.03 70.55 01:52:01 0 29.91 0.00 7.77 0.57 0.03 61.71 01:52:01 1 14.44 0.00 6.04 5.23 0.03 74.25 01:52:01 2 12.44 0.00 5.87 2.30 0.03 79.37 01:52:01 3 23.21 0.00 6.11 3.81 0.03 66.83 Average: all 19.24 0.00 7.90 7.63 0.04 65.19 Average: 0 25.37 0.00 8.39 6.60 0.04 59.60 Average: 1 15.38 0.00 7.73 10.23 0.03 66.63 Average: 2 15.82 0.00 7.46 6.48 0.04 70.20 Average: 3 20.44 0.00 8.02 7.21 0.03 64.30