---> uname -a: Linux 52616fbb7b76 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 7.6G 42.4G 15% / 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 7.6G 42.4G 15% /etc/resolv.conf /dev/vda1 50.0G 7.6G 42.4G 15% /etc/hostname /dev/vda1 50.0G 7.6G 42.4G 15% /etc/hosts /dev/vda1 50.0G 7.6G 42.4G 15% /w/workspace/edgexfoundry_edgex-docs_PR-192 /dev/vda1 50.0G 7.6G 42.4G 15% /w/workspace/edgexfoundry_edgex-docs_PR-192@tmp /dev/vda1 50.0G 7.6G 42.4G 15% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1837 668 116 0 1052 1065 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) 08/28/20 _x86_64_ (4 CPU) 01:50:33 LINUX RESTART 01:51:01 tps rtps wtps bread/s bwrtn/s 01:52:03 182.51 64.15 118.36 9012.75 57941.94 01:53:01 217.21 114.39 102.82 8471.65 26045.32 Average: 199.59 88.88 110.71 8746.45 42244.34 01:51:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:52:03 125220 1756336 93.34 2620 1170832 1236976 42.22 528536 1052212 3876 01:53:01 96812 1784744 94.85 2460 1112176 1295156 44.20 591628 980472 28264 Average: 111016 1770540 94.10 2540 1141504 1266066 43.21 560082 1016342 16070 01:51:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 01:52:03 vetha985227 0.00 0.13 0.00 0.01 0.00 0.00 0.00 01:52:03 eth0 938.96 632.12 3961.02 105.07 0.00 0.00 0.00 01:52:03 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 01:52:03 docker0 0.00 0.08 0.00 0.01 0.00 0.00 0.00 01:53:01 eth0 690.09 435.24 2826.18 1559.93 0.00 0.00 0.00 01:53:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:53:01 docker0 22.39 37.01 1.60 302.61 0.00 0.00 0.00 Average: eth0 803.84 528.58 3381.15 820.46 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 11.02 18.26 0.79 148.93 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) 08/28/20 _x86_64_ (4 CPU) 01:50:33 LINUX RESTART 01:51:01 CPU %user %nice %system %iowait %steal %idle 01:52:03 all 17.21 0.00 8.39 8.72 0.14 65.54 01:52:03 0 14.82 0.00 8.53 9.45 0.15 67.04 01:52:03 1 19.96 0.00 8.94 5.92 0.15 65.03 01:52:03 2 18.82 0.00 7.43 7.60 0.08 66.07 01:52:03 3 15.25 0.00 8.68 11.90 0.17 64.00 01:53:01 all 19.22 0.00 6.78 2.66 0.10 71.24 01:53:01 0 34.94 0.00 9.68 1.06 0.09 54.24 01:53:01 1 14.85 0.00 5.79 2.48 0.12 76.76 01:53:01 2 15.32 0.00 6.24 2.74 0.09 75.62 01:53:01 3 11.84 0.00 5.41 4.38 0.12 78.25 Average: all 18.20 0.00 7.60 5.73 0.12 68.35 Average: 0 24.74 0.00 9.10 5.32 0.12 60.73 Average: 1 17.44 0.00 7.39 4.22 0.14 70.81 Average: 2 17.09 0.00 6.84 5.20 0.09 70.78 Average: 3 13.57 0.00 7.07 8.20 0.15 71.01