---> uname -a: Linux 3fc9f1330e16 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-198 /dev/vda1 50.0G 7.6G 42.4G 15% /w/workspace/edgexfoundry_edgex-docs_PR-198@tmp /dev/vda1 50.0G 7.6G 42.4G 15% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1837 650 119 0 1068 1083 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) 08/25/20 _x86_64_ (4 CPU) 01:50:18 LINUX RESTART 01:51:01 tps rtps wtps bread/s bwrtn/s 01:52:02 78.29 41.01 37.29 3286.82 23651.19 01:53:01 91.37 29.55 61.82 6147.11 21115.91 01:54:01 110.62 48.95 61.67 5276.46 6997.44 Average: 93.47 39.91 53.56 4896.84 17217.15 01:51:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:52:02 71812 1809744 96.18 2620 1285880 1127304 38.47 481248 1172844 118416 01:53:01 78792 1802764 95.81 2620 1162560 1321228 45.09 590332 1023240 46868 01:54:01 80656 1800900 95.71 2620 1143392 1535580 52.41 674872 929828 32076 Average: 77087 1804469 95.90 2620 1197277 1328037 45.32 582151 1041971 65787 01:51:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 01:52:02 eth0 522.25 427.63 2568.96 67.22 0.00 0.00 0.00 01:52:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:52:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:53:01 eth0 234.46 146.05 1533.02 36.50 0.00 0.00 0.00 01:53:01 veth3e8f5b6 15.21 28.10 1.34 226.44 0.00 0.00 0.00 01:53:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 01:53:01 docker0 15.21 27.96 1.14 226.43 0.00 0.00 0.00 01:54:01 eth0 293.85 203.37 785.51 1290.18 0.00 0.00 0.00 01:54:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:54:01 docker0 5.27 10.14 0.39 70.04 0.00 0.00 0.00 Average: eth0 350.77 259.59 1628.45 468.35 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 6.78 12.61 0.50 98.04 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) 08/25/20 _x86_64_ (4 CPU) 01:50:18 LINUX RESTART 01:51:01 CPU %user %nice %system %iowait %steal %idle 01:52:02 all 11.26 0.00 5.63 4.26 14.94 63.92 01:52:02 0 11.09 0.00 5.19 5.06 18.19 60.48 01:52:02 1 10.58 0.00 5.21 4.72 14.26 65.23 01:52:02 2 12.83 0.00 6.36 3.60 13.82 63.39 01:52:02 3 10.58 0.00 5.78 3.60 13.44 66.61 01:53:01 all 7.01 0.00 2.87 1.49 10.50 78.12 01:53:01 0 10.64 0.00 3.63 1.84 12.58 71.31 01:53:01 1 7.61 0.00 3.30 2.82 10.30 75.97 01:53:01 2 5.56 0.00 2.43 0.81 9.48 81.71 01:53:01 3 4.24 0.00 2.13 0.53 9.61 83.49 01:54:01 all 11.68 0.00 2.77 1.32 7.89 76.33 01:54:01 0 18.11 0.00 4.07 0.47 8.29 69.06 01:54:01 1 11.83 0.00 1.81 0.13 8.00 78.22 01:54:01 2 9.63 0.00 2.91 1.11 7.88 78.47 01:54:01 3 7.31 0.00 2.37 3.55 7.41 79.36 Average: all 9.98 0.00 3.75 2.35 11.10 72.81 Average: 0 13.24 0.00 4.29 2.47 13.04 66.95 Average: 1 10.03 0.00 3.44 2.55 10.85 73.13 Average: 2 9.31 0.00 3.88 1.82 10.35 74.63 Average: 3 7.36 0.00 3.41 2.56 10.13 76.54