---> uname -a: Linux 31d690310a57 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 7.7G 42.3G 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 7.7G 42.3G 15% /etc/resolv.conf /dev/vda1 50.0G 7.7G 42.3G 15% /etc/hostname /dev/vda1 50.0G 7.7G 42.3G 15% /etc/hosts /dev/vda1 50.0G 7.7G 42.3G 15% /var/log/sa /dev/vda1 50.0G 7.7G 42.3G 15% /w/workspace/edgexfoundry_edgex-docs_PR-196 /dev/vda1 50.0G 7.7G 42.3G 15% /w/workspace/edgexfoundry_edgex-docs_PR-196@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 678 113 0 1045 1055 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) 08/10/20 _x86_64_ (4 CPU) 01:50:18 LINUX RESTART 01:51:01 tps rtps wtps bread/s bwrtn/s 01:52:01 75.87 26.99 48.88 4804.39 16197.36 01:53:01 90.77 25.66 65.11 3245.61 12666.64 Average: 83.32 26.33 56.99 4025.06 14432.14 01:51:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:52:01 82664 1798892 95.61 2620 1236900 1285396 43.87 501492 1141180 41720 01:53:01 131204 1750352 93.03 2620 1123668 1248552 42.61 540848 995736 100188 Average: 106934 1774622 94.32 2620 1180284 1266974 43.24 521170 1068458 70954 01:51:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 01:52:01 eth0 494.93 296.03 3114.40 66.88 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 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:53:01 veth65c8562 18.20 37.60 1.65 292.96 0.00 0.00 0.00 01:53:01 eth0 711.42 414.53 4218.52 209.69 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 18.20 37.47 1.41 292.95 0.00 0.00 0.00 Average: veth65c8562 9.10 18.80 0.83 146.47 0.00 0.00 0.00 Average: eth0 355.68 207.25 2109.08 104.84 0.00 0.00 0.00 Average: lo 0.06 0.06 0.00 0.00 0.00 0.00 0.00 Average: docker0 9.10 18.73 0.70 146.46 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) 08/10/20 _x86_64_ (4 CPU) 01:50:18 LINUX RESTART 01:51:01 CPU %user %nice %system %iowait %steal %idle 01:52:01 all 13.23 0.00 4.37 1.79 16.62 64.00 01:52:01 0 11.26 0.00 4.62 0.90 20.18 63.04 01:52:01 1 10.25 0.00 4.23 1.14 17.48 66.91 01:52:01 2 15.12 0.00 4.14 3.47 15.10 62.17 01:52:01 3 16.37 0.00 4.48 1.68 13.62 63.85 01:53:01 all 12.81 0.00 3.95 0.63 12.49 70.11 01:53:01 0 18.62 0.00 3.86 0.86 14.15 62.51 01:53:01 1 7.56 0.00 2.88 0.35 12.64 76.57 01:53:01 2 20.23 0.00 5.96 1.03 11.93 60.85 01:53:01 3 5.38 0.00 3.23 0.31 11.23 79.86 Average: all 13.02 0.00 4.16 1.20 14.54 67.08 Average: 0 14.92 0.00 4.24 0.88 17.18 62.78 Average: 1 8.88 0.00 3.54 0.73 15.01 71.83 Average: 2 17.66 0.00 5.04 2.25 13.52 61.52 Average: 3 10.77 0.00 3.84 0.98 12.40 72.00