---> uname -a: Linux 19df409cd5d2 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-176 /dev/vda1 50.0G 7.8G 42.2G 16% /w/workspace/edgexfoundry_edgex-docs_PR-176@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 658 103 0 1075 1075 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) 07/08/20 _x86_64_ (4 CPU) 13:49:31 LINUX RESTART 13:50:02 tps rtps wtps bread/s bwrtn/s 13:51:02 169.08 65.05 104.03 9957.83 34481.72 13:52:01 235.56 116.64 118.92 9840.85 30027.06 Average: 202.32 90.84 111.47 9899.34 32254.39 13:50:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:51:02 70788 1810768 96.24 2620 1179032 1269188 43.32 587336 1022048 111656 13:52:01 108724 1772832 94.22 1700 1081524 1547140 52.80 667684 904504 74840 Average: 89756 1791800 95.23 2160 1130278 1408164 48.06 627510 963276 93248 13:50:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 13:51:02 eth0 1116.96 756.10 4323.52 113.30 0.00 0.00 0.00 13:51:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:51:02 veth5f4b126 16.74 25.54 1.48 226.78 0.00 0.00 0.00 13:51:02 docker0 16.74 25.40 1.25 226.77 0.00 0.00 0.00 13:52:01 eth0 1097.33 681.52 2631.22 2891.41 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 6.11 9.26 0.43 71.30 0.00 0.00 0.00 Average: eth0 1107.14 718.81 3477.37 1502.35 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 11.42 17.33 0.84 149.04 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) 07/08/20 _x86_64_ (4 CPU) 13:49:31 LINUX RESTART 13:50:02 CPU %user %nice %system %iowait %steal %idle 13:51:02 all 19.72 0.00 8.11 4.99 0.02 67.16 13:51:02 0 19.41 0.00 8.94 4.90 0.03 66.71 13:51:02 1 19.71 0.00 8.49 6.47 0.02 65.32 13:51:02 2 22.35 0.00 7.62 3.13 0.03 66.87 13:51:02 3 17.41 0.00 7.42 5.43 0.02 69.72 13:52:01 all 18.52 0.00 7.20 3.22 0.04 71.03 13:52:01 0 34.61 0.00 8.89 1.90 0.03 54.57 13:52:01 1 11.07 0.00 6.51 4.65 0.03 77.73 13:52:01 2 13.38 0.00 6.13 4.19 0.03 76.26 13:52:01 3 15.09 0.00 7.27 2.12 0.05 75.47 Average: all 19.12 0.00 7.65 4.10 0.03 69.09 Average: 0 27.01 0.00 8.91 3.40 0.03 60.64 Average: 1 15.40 0.00 7.50 5.56 0.03 71.51 Average: 2 17.87 0.00 6.88 3.66 0.03 71.56 Average: 3 16.25 0.00 7.34 3.78 0.03 72.59