---> uname -a: Linux c88b41e80d4a 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% /w/workspace/edgexfoundry_edgex-docs_PR-141@tmp /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-141 ---> free -m: total used free shared buff/cache available Mem: 1837 666 91 0 1078 1067 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) 06/08/20 _x86_64_ (4 CPU) 13:49:47 LINUX RESTART 13:51:02 tps rtps wtps bread/s bwrtn/s 13:52:01 123.32 35.84 87.48 7106.17 27146.23 13:53:01 62.66 14.26 48.40 2427.15 10126.67 Average: 92.49 24.87 67.62 4728.08 18496.12 13:51:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:52:01 106912 1774644 94.32 2620 1150308 1280900 43.71 568412 1002708 54512 13:53:01 81120 1800436 95.69 2620 1125004 1442280 49.22 796456 791044 1484 Average: 94016 1787540 95.00 2620 1137656 1361590 46.47 682434 896876 27998 13:51:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 13:52:01 veth2962369 14.33 25.33 1.28 230.58 0.00 0.00 0.00 13:52:01 eth0 662.99 435.53 4350.94 92.31 0.00 0.00 0.00 13:52:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 13:52:01 docker0 14.33 25.19 1.08 230.57 0.00 0.00 0.00 13:53:01 veth2962369 4.09 7.35 0.37 69.66 0.00 0.00 0.00 13:53:01 eth0 572.16 400.42 232.90 2784.93 0.00 0.00 0.00 13:53:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:53:01 docker0 4.09 7.35 0.31 69.66 0.00 0.00 0.00 Average: veth2962369 9.12 16.19 0.82 148.79 0.00 0.00 0.00 Average: eth0 616.83 417.68 2257.96 1460.82 0.00 0.00 0.00 Average: lo 0.06 0.06 0.00 0.00 0.00 0.00 0.00 Average: docker0 9.12 16.13 0.69 148.78 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) 06/08/20 _x86_64_ (4 CPU) 13:49:47 LINUX RESTART 13:51:02 CPU %user %nice %system %iowait %steal %idle 13:52:01 all 9.34 0.00 3.41 2.29 15.72 69.23 13:52:01 0 9.82 0.00 3.48 1.74 16.65 68.31 13:52:01 1 4.46 0.00 2.81 2.41 16.66 73.66 13:52:01 2 8.97 0.00 3.26 1.29 14.92 71.57 13:52:01 3 14.31 0.00 4.06 3.73 14.62 63.28 13:53:01 all 13.30 0.00 2.94 0.76 15.41 67.58 13:53:01 0 12.34 0.00 3.75 0.20 18.23 65.48 13:53:01 1 7.73 0.00 1.81 0.48 15.18 74.80 13:53:01 2 16.38 0.00 1.71 0.99 14.72 66.21 13:53:01 3 16.98 0.00 4.60 1.43 13.51 63.49 Average: all 11.35 0.00 3.17 1.51 15.57 68.39 Average: 0 11.10 0.00 3.62 0.95 17.45 66.87 Average: 1 6.13 0.00 2.30 1.42 15.91 74.24 Average: 2 12.70 0.00 2.48 1.14 14.82 68.87 Average: 3 15.67 0.00 4.33 2.56 14.05 63.39