---> uname -a: Linux fff84d9d09ea 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 7.2G 42.8G 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 7.2G 42.8G 14% /etc/resolv.conf /dev/vda1 50.0G 7.2G 42.8G 14% /etc/hostname /dev/vda1 50.0G 7.2G 42.8G 14% /etc/hosts /dev/vda1 50.0G 7.2G 42.8G 14% /var/log/sa /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/edgexfoundry_device-sdk-c_PR-290 /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/edgexfoundry_device-sdk-c_PR-290@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 663 116 0 1057 1067 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) 08/04/20 _x86_64_ (4 CPU) 16:05:48 LINUX RESTART 16:07:01 tps rtps wtps bread/s bwrtn/s 16:08:01 2.73 0.00 2.73 0.00 66.77 16:09:01 0.27 0.00 0.27 0.00 3.38 16:10:01 0.27 0.00 0.27 0.00 3.88 16:11:01 0.23 0.00 0.23 0.00 2.70 16:12:01 37.59 37.14 0.45 3789.07 7.18 Average: 8.22 7.43 0.79 757.69 16.78 16:07:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:08:01 181000 1700556 90.38 2620 1123496 1080628 36.88 439952 1101784 20 16:09:01 178488 1703068 90.51 2620 1123500 1080908 36.89 443468 1101108 16 16:10:01 176220 1705336 90.63 2620 1123508 1080920 36.89 445744 1101100 8 16:11:01 176104 1705452 90.64 2620 1123508 1080692 36.88 449384 1097456 12 16:12:01 77952 1803604 95.86 2620 1199704 1116480 38.10 453908 1190872 76 Average: 157953 1723603 91.61 2620 1138743 1087926 37.13 446491 1118464 26 16:07:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 16:08:01 eth0 0.62 0.10 0.04 0.02 0.00 0.00 0.00 16:08:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:08:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:09:01 eth0 1.32 0.47 0.35 0.18 0.00 0.00 0.00 16:09:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:09:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:10:01 eth0 4.28 2.05 3.78 0.35 0.00 0.00 0.00 16:10:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:11:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 16:11:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:11:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:12:01 eth0 4.65 2.80 4.40 1.66 0.00 0.00 0.00 16:12:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:12:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 2.19 1.10 1.71 0.44 0.00 0.00 0.00 Average: lo 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 ---> sar -P ALL: Linux 3.10.0-1127.el7.x86_64 (centos-7-docker-5eb134fb-50d3-af0a-1802-9f6851a35141.vexxhost.lo) 08/04/20 _x86_64_ (4 CPU) 16:05:48 LINUX RESTART 16:07:01 CPU %user %nice %system %iowait %steal %idle 16:08:01 all 0.17 0.00 0.05 0.00 0.00 99.77 16:08:01 0 0.08 0.00 0.05 0.00 0.00 99.87 16:08:01 1 0.07 0.00 0.05 0.00 0.00 99.88 16:08:01 2 0.52 0.00 0.10 0.00 0.00 99.38 16:08:01 3 0.05 0.00 0.07 0.00 0.02 99.87 16:09:01 all 0.16 0.00 0.05 0.00 0.01 99.79 16:09:01 0 0.07 0.00 0.05 0.00 0.00 99.88 16:09:01 1 0.05 0.00 0.03 0.00 0.02 99.90 16:09:01 2 0.43 0.00 0.07 0.00 0.00 99.50 16:09:01 3 0.07 0.00 0.02 0.00 0.02 99.90 16:10:01 all 0.17 0.00 0.04 0.00 0.02 99.77 16:10:01 0 0.48 0.00 0.03 0.00 0.03 99.45 16:10:01 1 0.07 0.00 0.05 0.00 0.00 99.88 16:10:01 2 0.07 0.00 0.05 0.00 0.02 99.87 16:10:01 3 0.07 0.00 0.02 0.00 0.00 99.92 16:11:01 all 0.16 0.00 0.04 0.00 0.00 99.80 16:11:01 0 0.30 0.00 0.07 0.00 0.00 99.63 16:11:01 1 0.05 0.00 0.03 0.00 0.00 99.92 16:11:01 2 0.23 0.00 0.02 0.00 0.00 99.75 16:11:01 3 0.07 0.00 0.07 0.00 0.00 99.87 16:12:01 all 0.68 0.00 0.25 0.63 0.01 98.43 16:12:01 0 0.48 0.00 0.32 0.15 0.00 99.05 16:12:01 1 1.22 0.00 0.22 1.18 0.02 97.37 16:12:01 2 0.47 0.00 0.20 0.53 0.02 98.78 16:12:01 3 0.53 0.00 0.22 0.67 0.03 98.55 Average: all 0.27 0.00 0.08 0.13 0.01 99.51 Average: 0 0.28 0.00 0.10 0.03 0.01 99.58 Average: 1 0.29 0.00 0.08 0.24 0.01 99.39 Average: 2 0.34 0.00 0.09 0.11 0.01 99.46 Average: 3 0.16 0.00 0.08 0.13 0.01 99.62