---> uname -a: Linux 34ecaf9a6f32 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% /var/log/sa /dev/vda1 50.0G 7.8G 42.2G 16% /w/workspace/edgexfoundry_edgex-docs_PR-178 /dev/vda1 50.0G 7.8G 42.2G 16% /w/workspace/edgexfoundry_edgex-docs_PR-178@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) 07/08/20 _x86_64_ (4 CPU) 13:49:35 LINUX RESTART 13:50:01 tps rtps wtps bread/s bwrtn/s 13:51:02 182.30 72.32 109.98 10099.93 48194.51 13:52:01 145.45 61.42 84.03 7916.32 16875.08 Average: 164.02 66.92 97.11 9016.73 32658.18 13:50:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:51:02 94060 1787496 95.00 2620 1151148 1294080 44.16 593716 1004492 64488 13:52:01 71628 1809928 96.19 2596 1140788 1564164 53.38 779124 849216 11152 Average: 82844 1798712 95.60 2608 1145968 1429122 48.77 686420 926854 37820 13:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 13:51:02 eth0 809.02 515.42 4211.64 101.23 0.00 0.00 0.00 13:51:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:51:02 veth430fa99 17.63 27.86 1.52 223.62 0.00 0.00 0.00 13:51:02 docker0 17.63 27.73 1.28 223.61 0.00 0.00 0.00 13:52:01 eth0 982.48 617.03 2408.32 2863.93 0.00 0.00 0.00 13:52:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:52:01 docker0 5.51 8.28 0.40 71.12 0.00 0.00 0.00 Average: eth0 895.06 565.83 3317.08 1471.70 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 11.62 18.08 0.84 147.96 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) 07/08/20 _x86_64_ (4 CPU) 13:49:35 LINUX RESTART 13:50:01 CPU %user %nice %system %iowait %steal %idle 13:51:02 all 20.81 0.00 9.14 4.60 6.29 59.16 13:51:02 0 17.03 0.00 10.10 2.54 6.61 63.72 13:51:02 1 16.76 0.00 8.65 7.59 6.78 60.22 13:51:02 2 27.74 0.00 8.97 4.98 5.59 52.72 13:51:02 3 21.79 0.00 8.85 3.28 6.16 59.93 13:52:01 all 18.50 0.00 5.48 1.70 3.26 71.06 13:52:01 0 13.14 0.00 5.09 0.21 3.44 78.12 13:52:01 1 15.30 0.00 3.93 1.87 3.50 75.40 13:52:01 2 27.29 0.00 7.51 2.88 3.06 59.26 13:52:01 3 18.33 0.00 5.44 1.83 3.06 71.34 Average: all 19.67 0.00 7.33 3.17 4.79 65.05 Average: 0 15.11 0.00 7.62 1.38 5.04 70.85 Average: 1 16.04 0.00 6.31 4.75 5.16 67.74 Average: 2 27.52 0.00 8.25 3.94 4.34 55.96 Average: 3 20.08 0.00 7.17 2.56 4.63 65.56