---> uname -a: Linux 3fc5d7e3be57 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: 2933.442 BogoMIPS: 5866.88 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% /var/log/sa /dev/vda1 50.0G 7.6G 42.4G 15% /w/workspace/edgexfoundry_edgex-docs_PR-196 /dev/vda1 50.0G 7.6G 42.4G 15% /w/workspace/edgexfoundry_edgex-docs_PR-196@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 652 96 0 1088 1081 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) 01:50:31 LINUX RESTART 01:51:02 tps rtps wtps bread/s bwrtn/s 01:52:01 160.53 52.38 108.16 8214.99 48358.64 01:53:01 117.07 57.29 59.77 6149.05 15131.14 Average: 138.62 54.86 83.77 7173.61 31609.63 01:51:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:52:01 103888 1777668 94.48 2620 1150728 1885492 64.35 559356 1042104 36 01:53:01 137540 1744016 92.69 2620 1141832 1269568 43.33 585308 978296 15476 Average: 120714 1760842 93.58 2620 1146280 1577530 53.84 572332 1010200 7756 01:51:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 01:52:01 eth0 875.02 588.27 3972.39 94.22 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 veth953b391 0.00 0.07 0.00 0.01 0.00 0.00 0.00 01:52:01 docker0 0.00 0.03 0.00 0.00 0.00 0.00 0.00 01:53:01 eth0 166.30 101.83 2646.80 23.26 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 21.86 36.66 1.59 293.42 0.00 0.00 0.00 Average: eth0 517.78 343.07 3304.20 58.45 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 11.02 18.50 0.80 147.91 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) 01:50:31 LINUX RESTART 01:51:02 CPU %user %nice %system %iowait %steal %idle 01:52:01 all 15.22 0.00 8.00 7.69 0.08 69.01 01:52:01 0 15.16 0.00 8.51 10.15 0.07 66.11 01:52:01 1 12.43 0.00 7.27 7.70 0.10 72.49 01:52:01 2 19.84 0.00 9.54 6.87 0.07 63.69 01:52:01 3 13.44 0.00 6.69 6.06 0.07 73.74 01:53:01 all 11.69 0.00 3.80 2.90 0.05 81.56 01:53:01 0 14.83 0.00 4.73 1.23 0.03 79.17 01:53:01 1 12.01 0.00 3.66 2.30 0.05 81.97 01:53:01 2 6.95 0.00 2.91 4.06 0.03 86.04 01:53:01 3 13.00 0.00 3.91 3.97 0.05 79.07 Average: all 13.44 0.00 5.87 5.26 0.06 75.36 Average: 0 14.99 0.00 6.60 5.63 0.05 72.73 Average: 1 12.22 0.00 5.45 4.97 0.08 77.29 Average: 2 13.31 0.00 6.18 5.45 0.05 75.01 Average: 3 13.22 0.00 5.29 5.00 0.06 76.43