---> uname -a: Linux 784f49984d93 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 7.8G 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-185 /dev/vda1 50.0G 7.8G 42.2G 16% /w/workspace/edgexfoundry_edgex-docs_PR-185@tmp /dev/vda1 50.0G 7.8G 42.2G 16% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1837 636 107 0 1093 1097 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) 07/18/20 _x86_64_ (4 CPU) 21:22:45 LINUX RESTART 21:23:01 tps rtps wtps bread/s bwrtn/s 21:24:01 256.79 124.70 132.09 14242.78 63228.61 21:25:01 234.57 128.54 106.03 9909.97 28612.68 Average: 245.68 126.62 119.05 12074.93 45909.13 21:23:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:24:01 91468 1790088 95.14 2620 1178836 1265644 43.19 598656 993532 99116 21:25:01 120448 1761108 93.60 1504 1116424 1305712 44.56 629712 920032 29892 Average: 105958 1775598 94.37 2062 1147630 1285678 43.88 614184 956782 64504 21:23:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 21:24:01 veth3abd38a 20.36 26.22 1.64 223.09 0.00 0.00 0.00 21:24:01 eth0 1134.89 643.82 4320.42 106.94 0.00 0.00 0.00 21:24:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 21:24:01 docker0 20.36 26.08 1.37 223.08 0.00 0.00 0.00 21:25:01 eth0 1106.63 649.29 2591.48 2839.53 0.00 0.00 0.00 21:25:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:25:01 docker0 8.10 10.02 0.53 70.97 0.00 0.00 0.00 Average: eth0 1110.76 638.12 3434.96 1473.37 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 14.22 18.05 0.95 146.97 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) 07/18/20 _x86_64_ (4 CPU) 21:22:45 LINUX RESTART 21:23:01 CPU %user %nice %system %iowait %steal %idle 21:24:01 all 21.79 0.00 10.66 6.17 0.02 61.35 21:24:01 0 19.89 0.00 12.03 4.86 0.02 63.20 21:24:01 1 24.22 0.00 9.82 4.74 0.02 61.19 21:24:01 2 25.03 0.00 10.32 5.38 0.02 59.25 21:24:01 3 17.98 0.00 10.53 9.71 0.03 61.75 21:25:01 all 18.38 0.00 7.24 3.26 0.03 71.10 21:25:01 0 15.59 0.00 7.18 1.19 0.03 76.01 21:25:01 1 28.34 0.00 8.23 4.09 0.02 59.32 21:25:01 2 11.02 0.00 6.03 2.96 0.02 79.97 21:25:01 3 18.49 0.00 7.46 4.75 0.02 69.27 Average: all 20.09 0.00 8.95 4.72 0.02 66.22 Average: 0 17.74 0.00 9.61 3.03 0.03 69.59 Average: 1 26.29 0.00 9.03 4.42 0.02 60.26 Average: 2 18.04 0.00 8.18 4.17 0.02 69.58 Average: 3 18.23 0.00 8.99 7.24 0.03 65.51