---> uname -a: Linux 8a92664f6300 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: 2933.436 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-192@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-192 ---> free -m: total used free shared buff/cache available Mem: 1837 664 89 0 1084 1069 Swap: 1023 2 1021 ---> 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) 07/31/20 _x86_64_ (4 CPU) 18:30:43 LINUX RESTART 18:31:01 tps rtps wtps bread/s bwrtn/s 18:32:01 208.79 74.37 134.42 10149.43 63347.07 18:33:01 265.56 156.15 109.42 13347.26 30377.27 Average: 237.18 115.27 121.92 11748.75 46858.06 18:31:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:32:01 88240 1793316 95.31 2620 1134360 1243912 42.45 617824 985076 67508 18:33:01 171636 1709920 90.88 1500 1076588 1214180 41.44 604956 905408 44 Average: 129938 1751618 93.09 2060 1105474 1229046 41.95 611390 945242 33776 18:31:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 18:32:01 veth2011992 15.46 28.25 1.32 223.29 0.00 0.00 0.00 18:32:01 eth0 1093.36 679.46 4378.51 102.84 0.00 0.00 0.00 18:32:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 18:32:01 docker0 15.46 28.11 1.11 223.28 0.00 0.00 0.00 18:33:01 vetheb9da13 0.00 0.03 0.00 0.00 0.00 0.00 0.00 18:33:01 eth0 1072.73 672.73 2590.28 2858.65 0.00 0.00 0.00 18:33:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:33:01 docker0 4.92 8.97 0.37 70.09 0.00 0.00 0.00 Average: vetheb9da13 0.00 0.02 0.00 0.00 0.00 0.00 0.00 Average: eth0 1083.04 676.10 3484.17 1481.09 0.00 0.00 0.00 Average: lo 0.06 0.06 0.00 0.00 0.00 0.00 0.00 Average: docker0 10.19 18.54 0.74 146.67 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) 07/31/20 _x86_64_ (4 CPU) 18:30:43 LINUX RESTART 18:31:01 CPU %user %nice %system %iowait %steal %idle 18:32:01 all 19.88 0.00 8.85 12.04 0.12 59.10 18:32:01 0 26.65 0.00 10.15 10.73 0.10 52.36 18:32:01 1 15.61 0.00 8.26 10.66 0.14 65.33 18:32:01 2 20.14 0.00 8.61 11.27 0.12 59.86 18:32:01 3 17.13 0.00 8.40 15.51 0.14 58.82 18:33:01 all 18.65 0.00 6.11 4.22 0.10 70.91 18:33:01 0 13.10 0.00 6.59 3.41 0.09 76.81 18:33:01 1 20.33 0.00 5.68 3.86 0.08 70.04 18:33:01 2 24.73 0.00 6.32 2.12 0.10 66.73 18:33:01 3 16.38 0.00 5.84 7.51 0.10 70.17 Average: all 19.27 0.00 7.48 8.14 0.11 65.00 Average: 0 19.91 0.00 8.38 7.09 0.09 64.53 Average: 1 17.97 0.00 6.97 7.26 0.11 67.68 Average: 2 22.43 0.00 7.47 6.70 0.11 63.29 Average: 3 16.75 0.00 7.12 11.51 0.12 64.50