---> uname -a: Linux 91764d32feb0 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 7.7G 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% /w/workspace/edgexfoundry_edgex-docs_PR-192 /dev/vda1 50.0G 7.7G 42.3G 15% /w/workspace/edgexfoundry_edgex-docs_PR-192@tmp /dev/vda1 50.0G 7.7G 42.3G 15% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1837 675 109 0 1052 1057 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) 01:50:25 LINUX RESTART 01:51:02 tps rtps wtps bread/s bwrtn/s 01:52:01 185.18 64.95 120.23 9620.84 60445.78 01:53:01 197.62 103.78 93.84 7910.43 27123.21 Average: 191.45 84.52 106.93 8758.46 43644.74 01:51:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:52:01 95728 1785828 94.91 2620 1169048 1255376 42.84 568240 1037272 18672 01:53:01 135912 1745644 92.78 2240 1104112 1111668 37.94 571356 965800 54164 Average: 115820 1765736 93.84 2430 1136580 1183522 40.39 569798 1001536 36418 01:51:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 01:52:01 eth0 957.33 623.85 4076.66 100.78 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 veth9bbcfee 8.48 13.55 0.69 118.43 0.00 0.00 0.00 01:52:01 docker0 8.48 13.45 0.57 118.42 0.00 0.00 0.00 01:53:01 eth0 878.44 551.44 2659.64 2200.01 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 13.48 21.71 1.00 176.73 0.00 0.00 0.00 Average: eth0 917.56 587.34 3362.21 1159.20 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 11.00 17.61 0.79 147.82 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) 01:50:25 LINUX RESTART 01:51:02 CPU %user %nice %system %iowait %steal %idle 01:52:01 all 17.44 0.00 8.61 6.97 0.16 66.82 01:52:01 0 15.56 0.00 9.61 5.45 0.17 69.21 01:52:01 1 18.86 0.00 8.16 5.58 0.10 67.30 01:52:01 2 18.77 0.00 9.19 6.33 0.15 65.55 01:52:01 3 16.54 0.00 7.50 10.49 0.21 65.26 01:53:01 all 20.13 0.00 6.69 1.92 0.14 71.13 01:53:01 0 16.56 0.00 7.19 1.78 0.12 74.35 01:53:01 1 22.03 0.00 7.42 1.98 0.14 68.44 01:53:01 2 32.31 0.00 6.41 2.19 0.12 58.97 01:53:01 3 9.53 0.00 5.75 1.73 0.19 82.81 Average: all 18.80 0.00 7.64 4.43 0.15 68.99 Average: 0 16.06 0.00 8.39 3.60 0.15 71.80 Average: 1 20.46 0.00 7.78 3.77 0.12 67.87 Average: 2 25.61 0.00 7.79 4.24 0.14 62.23 Average: 3 13.01 0.00 6.62 6.08 0.20 74.10