---> uname -a: Linux 25e50cddf690 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% /var/log/sa /dev/vda1 50.0G 7.8G 42.2G 16% /w/workspace/edgexfoundry_edgex-docs_PR-176 /dev/vda1 50.0G 7.8G 42.2G 16% /w/workspace/edgexfoundry_edgex-docs_PR-176@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 654 105 0 1078 1079 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) 07/13/20 _x86_64_ (4 CPU) 15:56:03 LINUX RESTART 15:57:02 tps rtps wtps bread/s bwrtn/s 15:58:01 138.17 36.98 101.18 5183.07 17178.06 Average: 138.17 36.98 101.18 5183.07 17178.06 15:57:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:58:01 113796 1767760 93.95 2596 1125036 1213292 41.41 732048 822400 65776 Average: 113796 1767760 93.95 2596 1125036 1213292 41.41 732048 822400 65776 15:57:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 15:58:01 veth077d6a0 24.98 35.09 2.08 298.72 0.00 0.00 0.00 15:58:01 eth0 1879.52 1140.50 4620.22 2448.94 0.00 0.00 0.00 15:58:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 15:58:01 docker0 24.98 34.95 1.74 298.71 0.00 0.00 0.00 Average: veth077d6a0 24.98 35.09 2.08 298.72 0.00 0.00 0.00 Average: eth0 1879.52 1140.50 4620.22 2448.94 0.00 0.00 0.00 Average: lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 Average: docker0 24.98 34.95 1.74 298.71 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) 07/13/20 _x86_64_ (4 CPU) 15:56:03 LINUX RESTART 15:57:02 CPU %user %nice %system %iowait %steal %idle 15:58:01 all 18.01 0.00 5.76 2.84 0.02 73.37 15:58:01 0 10.34 0.00 5.66 1.30 0.02 82.68 15:58:01 1 17.64 0.00 7.45 0.94 0.03 73.94 15:58:01 2 18.50 0.00 4.35 5.94 0.03 71.18 15:58:01 3 25.45 0.00 5.58 3.15 0.00 65.81 Average: all 18.01 0.00 5.76 2.84 0.02 73.37 Average: 0 10.34 0.00 5.66 1.30 0.02 82.68 Average: 1 17.64 0.00 7.45 0.94 0.03 73.94 Average: 2 18.50 0.00 4.35 5.94 0.03 71.18 Average: 3 25.45 0.00 5.58 3.15 0.00 65.81