---> uname -a: Linux de5cc1eeebe9 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 7.2G 42.7G 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 42.7G 14% /etc/resolv.conf /dev/vda1 50.0G 7.2G 42.7G 14% /etc/hostname /dev/vda1 50.0G 7.2G 42.7G 14% /etc/hosts /dev/vda1 50.0G 7.2G 42.7G 14% /w/workspace/edgexfoundry_device-rest-go_snap@tmp /dev/vda1 50.0G 7.2G 42.7G 14% /var/log/sa /dev/vda1 50.0G 7.2G 42.7G 14% /w/workspace/edgexfoundry_device-rest-go_snap ---> free -m: total used free shared buff/cache available Mem: 1837 675 123 0 1038 1057 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) 06/18/20 _x86_64_ (4 CPU) 18:15:31 LINUX RESTART 18:16:01 tps rtps wtps bread/s bwrtn/s 18:17:01 58.69 15.43 43.26 5010.25 5471.40 18:18:01 0.40 0.00 0.40 0.00 6.58 18:19:01 0.27 0.00 0.27 0.00 3.15 18:20:01 0.32 0.00 0.32 0.00 3.51 18:21:01 0.22 0.00 0.22 0.00 2.27 Average: 11.98 3.09 8.90 1002.55 1097.93 18:16:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:17:01 157752 1723804 91.62 2620 1124516 1121800 38.29 448628 1114804 16 18:18:01 164184 1717372 91.27 2620 1124520 1074792 36.68 447656 1110924 16 18:19:01 163812 1717744 91.29 2620 1124528 1074888 36.68 448344 1110924 8 18:20:01 163412 1718144 91.32 2620 1124528 1074696 36.68 448812 1110340 8 18:21:01 163600 1717956 91.31 2620 1124532 1074696 36.68 464248 1095032 8 Average: 162552 1719004 91.36 2620 1124525 1084174 37.00 451538 1108405 11 18:16:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 18:17:01 eth0 455.44 303.66 1267.80 225.97 0.00 0.00 0.00 18:17:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:17:01 docker0 51.33 37.00 3.90 132.32 0.00 0.00 0.00 18:18:01 eth0 5.45 2.88 5.67 0.20 0.00 0.00 0.00 18:18:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:18:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:19:01 eth0 1.35 0.55 0.58 0.36 0.00 0.00 0.00 18:19:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:19:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:20:01 eth0 0.10 0.08 0.01 0.04 0.00 0.00 0.00 18:20:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:21:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 18:21:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:21:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 92.53 61.48 254.94 45.34 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 10.27 7.40 0.78 26.48 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) 06/18/20 _x86_64_ (4 CPU) 18:15:31 LINUX RESTART 18:16:01 CPU %user %nice %system %iowait %steal %idle 18:17:01 all 10.53 0.00 3.81 1.93 0.73 83.00 18:17:01 0 9.78 0.00 4.32 2.73 0.70 82.47 18:17:01 1 11.41 0.00 3.81 3.67 0.71 80.40 18:17:01 2 10.34 0.00 4.30 0.85 0.71 83.80 18:17:01 3 10.59 0.00 2.77 0.49 0.78 85.37 18:18:01 all 0.17 0.00 0.04 0.00 0.01 99.78 18:18:01 0 0.38 0.00 0.03 0.00 0.02 99.57 18:18:01 1 0.07 0.00 0.07 0.00 0.03 99.83 18:18:01 2 0.05 0.00 0.05 0.00 0.02 99.88 18:18:01 3 0.17 0.00 0.03 0.00 0.00 99.80 18:19:01 all 0.14 0.00 0.04 0.00 0.01 99.82 18:19:01 0 0.02 0.00 0.03 0.00 0.00 99.95 18:19:01 1 0.05 0.00 0.02 0.00 0.02 99.92 18:19:01 2 0.02 0.00 0.03 0.00 0.02 99.93 18:19:01 3 0.47 0.00 0.05 0.00 0.02 99.47 18:20:01 all 0.04 0.00 0.03 0.00 0.02 99.91 18:20:01 0 0.02 0.00 0.03 0.00 0.00 99.95 18:20:01 1 0.02 0.00 0.00 0.00 0.00 99.98 18:20:01 2 0.02 0.00 0.03 0.00 0.02 99.93 18:20:01 3 0.12 0.00 0.08 0.00 0.03 99.77 18:21:01 all 0.14 0.00 0.03 0.00 0.00 99.83 18:21:01 0 0.02 0.00 0.02 0.00 0.00 99.97 18:21:01 1 0.03 0.00 0.05 0.00 0.00 99.92 18:21:01 2 0.03 0.00 0.02 0.00 0.00 99.95 18:21:01 3 0.52 0.00 0.02 0.00 0.02 99.45 Average: all 2.18 0.00 0.78 0.38 0.15 96.51 Average: 0 2.02 0.00 0.88 0.54 0.14 96.43 Average: 1 2.29 0.00 0.78 0.73 0.15 96.06 Average: 2 2.06 0.00 0.88 0.17 0.15 96.74 Average: 3 2.35 0.00 0.59 0.10 0.17 96.80