---> uname -a: Linux 7eb09f93d018 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-198 /dev/vda1 50.0G 7.6G 42.4G 15% /w/workspace/edgexfoundry_edgex-docs_PR-198@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 669 126 0 1041 1063 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) 09/01/20 _x86_64_ (4 CPU) 01:52:26 LINUX RESTART 01:53:01 tps rtps wtps bread/s bwrtn/s 01:54:01 109.24 46.53 62.71 3566.66 43852.08 01:55:01 136.61 37.24 99.37 7140.77 21020.90 Average: 122.90 41.89 81.01 5350.89 32454.51 01:53:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:54:01 72728 1808828 96.13 2620 1237200 1097184 37.44 483976 1168084 105316 01:55:01 226544 1655012 87.96 2620 1012564 1128512 38.51 579884 868152 20 Average: 149636 1731920 92.05 2620 1124882 1112848 37.98 531930 1018118 52668 01:53:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 01:54:01 eth0 536.14 455.71 3020.64 61.62 0.00 0.00 0.00 01:54:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:54:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:55:01 eth0 607.75 373.48 1225.41 1334.33 0.00 0.00 0.00 01:55:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:55:01 docker0 20.17 35.16 1.49 293.16 0.00 0.00 0.00 Average: eth0 571.89 414.66 2124.44 696.97 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 10.07 17.55 0.74 146.35 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) 09/01/20 _x86_64_ (4 CPU) 01:52:26 LINUX RESTART 01:53:01 CPU %user %nice %system %iowait %steal %idle 01:54:01 all 15.38 0.00 7.97 5.94 0.76 69.96 01:54:01 0 13.41 0.00 9.83 5.95 0.72 70.10 01:54:01 1 17.38 0.00 7.25 4.44 0.56 70.38 01:54:01 2 15.95 0.00 6.99 8.02 0.81 68.22 01:54:01 3 14.74 0.00 7.85 5.36 0.94 71.11 01:55:01 all 18.72 0.00 5.41 2.01 1.37 72.49 01:55:01 0 17.66 0.00 6.40 1.09 1.28 73.57 01:55:01 1 29.42 0.00 5.17 2.59 1.30 61.53 01:55:01 2 13.77 0.00 4.64 1.59 1.43 78.57 01:55:01 3 14.01 0.00 5.43 2.75 1.47 76.34 Average: all 17.05 0.00 6.69 3.97 1.06 71.22 Average: 0 15.53 0.00 8.11 3.52 1.00 71.83 Average: 1 23.39 0.00 6.21 3.52 0.93 65.95 Average: 2 14.86 0.00 5.82 4.81 1.12 73.39 Average: 3 14.38 0.00 6.64 4.05 1.21 73.72