---> uname -a: Linux d408cfc6577a 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: 2933.438 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 7.0G 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% /w/workspace/edgexfoundry_device-sdk-c_master@tmp /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_master ---> free -m: total used free shared buff/cache available Mem: 1837 679 139 0 1017 1049 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) 09/22/20 _x86_64_ (4 CPU) 09:11:56 LINUX RESTART (4 CPU) 09:13:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:14:01 26.88 10.25 16.64 0.00 4370.92 2086.21 0.00 09:15:01 0.35 0.00 0.35 0.00 0.00 5.13 0.00 09:16:01 0.25 0.00 0.25 0.00 0.00 3.01 0.00 09:17:01 0.22 0.00 0.22 0.00 0.00 2.43 0.00 09:18:01 18.00 17.60 0.40 0.00 1708.84 7.49 0.00 Average: 9.14 5.57 3.57 0.00 1216.26 421.08 0.00 09:13:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:14:01 156492 0 607820 32.30 2620 1114624 1119788 38.22 448664 1117212 20 09:15:01 162824 0 601484 31.97 2620 1114628 1073896 36.65 446760 1113516 12 09:16:01 163348 0 600952 31.94 2620 1114636 1073896 36.65 446768 1113516 16 09:17:01 160072 0 604228 32.11 2620 1114636 1074100 36.66 450048 1113360 16 09:18:01 95304 0 617664 32.83 2620 1165968 1101212 37.58 473420 1153532 76 Average: 147608 0 606430 32.23 2620 1124898 1088578 37.15 453132 1122227 28 09:13:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:14:01 eth0 69.19 59.09 354.47 53.79 0.00 0.00 0.00 0.00 09:14:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:14:01 docker0 4.82 4.24 0.69 20.49 0.00 0.00 0.00 0.00 09:15:01 eth0 0.25 0.08 0.01 0.04 0.00 0.00 0.00 0.00 09:15:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:15:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:16:01 eth0 0.65 0.08 0.06 0.01 0.00 0.00 0.00 0.00 09:16:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:16:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:17:01 eth0 1.30 0.53 0.60 0.37 0.00 0.00 0.00 0.00 09:17:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:17:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:18:01 eth0 3.66 2.28 3.90 1.43 0.00 0.00 0.00 0.00 09:18:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:18:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 15.02 12.42 71.85 11.13 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 0.97 0.85 0.14 4.10 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) 09/22/20 _x86_64_ (4 CPU) 09:11:56 LINUX RESTART (4 CPU) 09:13:01 CPU %user %nice %system %iowait %steal %idle 09:14:01 all 2.39 0.00 1.43 0.75 2.08 93.34 09:14:01 0 2.80 0.00 1.61 0.37 2.10 93.12 09:14:01 1 2.49 0.00 1.67 0.49 1.99 93.36 09:14:01 2 2.32 0.00 1.19 1.88 2.00 92.62 09:14:01 3 1.95 0.00 1.25 0.28 2.24 94.27 09:15:01 all 0.10 0.00 0.04 0.00 0.30 99.56 09:15:01 0 0.03 0.00 0.03 0.00 0.30 99.63 09:15:01 1 0.03 0.00 0.05 0.00 0.43 99.48 09:15:01 2 0.30 0.00 0.05 0.00 0.28 99.37 09:15:01 3 0.02 0.00 0.03 0.00 0.18 99.77 09:16:01 all 0.12 0.00 0.03 0.00 0.19 99.67 09:16:01 0 0.02 0.00 0.03 0.00 0.12 99.83 09:16:01 1 0.07 0.00 0.03 0.00 0.25 99.65 09:16:01 2 0.35 0.00 0.02 0.00 0.22 99.42 09:16:01 3 0.03 0.00 0.03 0.00 0.17 99.77 09:17:01 all 0.12 0.00 0.04 0.00 0.12 99.73 09:17:01 0 0.03 0.00 0.03 0.00 0.15 99.78 09:17:01 1 0.03 0.00 0.03 0.00 0.03 99.90 09:17:01 2 0.38 0.00 0.07 0.00 0.22 99.33 09:17:01 3 0.03 0.00 0.02 0.00 0.07 99.88 09:18:01 all 0.41 0.00 0.18 0.31 0.06 99.04 09:18:01 0 0.30 0.00 0.12 0.03 0.03 99.52 09:18:01 1 0.22 0.00 0.15 0.58 0.07 98.98 09:18:01 2 0.72 0.00 0.28 0.00 0.10 98.90 09:18:01 3 0.42 0.00 0.17 0.63 0.03 98.75 Average: all 0.63 0.00 0.34 0.21 0.55 98.27 Average: 0 0.63 0.00 0.36 0.08 0.54 98.39 Average: 1 0.57 0.00 0.39 0.21 0.55 98.28 Average: 2 0.81 0.00 0.32 0.37 0.56 97.93 Average: 3 0.49 0.00 0.30 0.18 0.54 98.49