---> uname -a: Linux 2c582df6d636 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% /var/log/sa /dev/vda1 50.0G 7.8G 42.2G 16% /w/workspace/edgexfoundry_edgex-docs_PR-140 /dev/vda1 50.0G 7.8G 42.2G 16% /w/workspace/edgexfoundry_edgex-docs_PR-140@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 632 95 0 1109 1100 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) 06/19/20 _x86_64_ (4 CPU) 13:50:17 LINUX RESTART 13:51:01 tps rtps wtps bread/s bwrtn/s 13:52:01 107.09 41.72 65.37 7767.79 22698.05 13:53:01 120.95 28.36 92.59 5379.99 15245.41 Average: 114.01 35.05 78.96 6575.68 18977.29 13:51:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:52:01 152476 1729080 91.90 2620 1167484 1133512 38.68 512468 1041708 106420 13:53:01 96544 1785012 94.87 2596 1134264 1449712 49.48 632776 938452 65512 Average: 124510 1757046 93.38 2608 1150874 1291612 44.08 572622 990080 85966 13:51:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 13:52:01 eth0 679.41 517.61 3948.27 81.74 0.00 0.00 0.00 13:52:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:52:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:53:01 vetha6a8440 19.38 35.19 1.69 292.63 0.00 0.00 0.00 13:53:01 eth0 791.19 585.08 4326.68 116.02 0.00 0.00 0.00 13:53:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 13:53:01 docker0 19.38 35.06 1.43 292.62 0.00 0.00 0.00 Average: vetha6a8440 9.67 17.57 0.84 146.10 0.00 0.00 0.00 Average: eth0 395.01 292.10 2160.11 57.92 0.00 0.00 0.00 Average: lo 0.06 0.06 0.00 0.00 0.00 0.00 0.00 Average: docker0 9.67 17.50 0.71 146.09 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) 06/19/20 _x86_64_ (4 CPU) 13:50:17 LINUX RESTART 13:51:01 CPU %user %nice %system %iowait %steal %idle 13:52:01 all 13.76 0.00 5.00 3.05 23.77 54.42 13:52:01 0 10.92 0.00 4.88 1.40 25.61 57.20 13:52:01 1 14.64 0.00 5.14 2.42 22.88 54.91 13:52:01 2 16.40 0.00 5.80 5.79 24.16 47.85 13:52:01 3 13.23 0.00 4.22 2.74 22.44 57.36 13:53:01 all 11.78 0.00 3.92 1.84 8.79 73.67 13:53:01 0 9.19 0.00 4.11 1.80 8.08 76.82 13:53:01 1 17.44 0.00 4.96 4.11 8.93 64.56 13:53:01 2 16.52 0.00 4.91 0.80 8.54 69.23 13:53:01 3 4.49 0.00 1.83 0.69 9.56 83.43 Average: all 12.79 0.00 4.47 2.45 16.38 63.92 Average: 0 10.07 0.00 4.50 1.59 17.00 66.83 Average: 1 16.01 0.00 5.05 3.25 16.07 59.62 Average: 2 16.46 0.00 5.36 3.32 16.42 58.44 Average: 3 8.86 0.00 3.03 1.72 16.00 70.39