---> uname -a: Linux 29cd63b0fa84 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 7.0G 43.0G 14% / 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 7.0G 43.0G 14% /etc/resolv.conf /dev/vda1 50.0G 7.0G 43.0G 14% /etc/hostname /dev/vda1 50.0G 7.0G 43.0G 14% /etc/hosts /dev/vda1 50.0G 7.0G 43.0G 14% /var/log/sa-host /dev/vda1 50.0G 7.0G 43.0G 14% /w/workspace/edgexfoundry_device-sdk-c_PR-294 /dev/vda1 50.0G 7.0G 43.0G 14% /w/workspace/edgexfoundry_device-sdk-c_PR-294@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 664 140 0 1031 1064 Swap: 1023 0 1023 ---> 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) 09/16/20 _x86_64_ (4 CPU) 09:28:41 LINUX RESTART (4 CPU) 09:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:31:01 3.11 0.00 3.11 0.00 0.00 101.00 0.00 09:32:01 0.30 0.00 0.30 0.00 0.00 3.66 0.00 09:33:01 0.28 0.00 0.28 0.00 0.00 3.38 0.00 09:34:01 0.23 0.00 0.23 0.00 0.00 2.70 0.00 Average: 0.98 0.00 0.98 0.00 0.00 27.69 0.00 09:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:31:01 170972 0 583884 31.03 2620 1124080 1074640 36.68 424700 1127032 20 09:32:01 172368 0 582484 30.96 2620 1124084 1064360 36.32 424564 1126128 8 09:33:01 170556 0 584284 31.05 2620 1124096 1064568 36.33 427124 1125536 20 09:34:01 171060 0 583780 31.03 2620 1124096 1064424 36.33 437128 1114772 12 Average: 171239 0 583608 31.02 2620 1124089 1066998 36.41 428379 1123367 15 09:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:31:01 eth0 5.48 2.98 4.94 0.24 0.00 0.00 0.00 0.00 09:31:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:31:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:32:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 0.00 09:32:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:32:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:33:01 eth0 0.97 0.43 0.32 0.18 0.00 0.00 0.00 0.00 09:33:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:33:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:34:01 eth0 0.08 0.08 0.01 0.04 0.00 0.00 0.00 0.00 09:34:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:34:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 1.65 0.90 1.32 0.12 0.00 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 0.00 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) 09/16/20 _x86_64_ (4 CPU) 09:28:41 LINUX RESTART (4 CPU) 09:30:01 CPU %user %nice %system %iowait %steal %idle 09:31:01 all 0.20 0.00 0.06 0.00 0.00 99.74 09:31:01 0 0.60 0.00 0.03 0.00 0.00 99.37 09:31:01 1 0.10 0.00 0.07 0.00 0.00 99.83 09:31:01 2 0.08 0.00 0.08 0.00 0.00 99.83 09:31:01 3 0.03 0.00 0.05 0.00 0.00 99.92 09:32:01 all 0.16 0.00 0.03 0.00 0.00 99.81 09:32:01 0 0.52 0.00 0.02 0.00 0.00 99.47 09:32:01 1 0.05 0.00 0.05 0.00 0.00 99.90 09:32:01 2 0.02 0.00 0.02 0.00 0.00 99.97 09:32:01 3 0.05 0.00 0.03 0.00 0.00 99.92 09:33:01 all 0.17 0.00 0.03 0.00 0.00 99.80 09:33:01 0 0.55 0.00 0.02 0.00 0.00 99.43 09:33:01 1 0.07 0.00 0.05 0.00 0.00 99.88 09:33:01 2 0.05 0.00 0.02 0.00 0.00 99.93 09:33:01 3 0.02 0.00 0.03 0.00 0.00 99.95 09:34:01 all 0.13 0.00 0.05 0.00 0.00 99.82 09:34:01 0 0.43 0.00 0.05 0.00 0.00 99.52 09:34:01 1 0.05 0.00 0.03 0.00 0.00 99.92 09:34:01 2 0.02 0.00 0.05 0.00 0.00 99.93 09:34:01 3 0.02 0.00 0.08 0.00 0.00 99.90 Average: all 0.17 0.00 0.04 0.00 0.00 99.79 Average: 0 0.52 0.00 0.03 0.00 0.00 99.45 Average: 1 0.07 0.00 0.05 0.00 0.00 99.88 Average: 2 0.04 0.00 0.04 0.00 0.00 99.92 Average: 3 0.03 0.00 0.05 0.00 0.00 99.92