---> uname -a: Linux 2e1f1d5f028b 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-282 /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/edgexfoundry_device-sdk-c_PR-282@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 670 123 0 1043 1060 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) 07/22/20 _x86_64_ (4 CPU) 14:13:07 LINUX RESTART 14:14:01 tps rtps wtps bread/s bwrtn/s 14:15:01 22.76 5.63 17.13 1528.74 2229.92 14:16:01 1.63 0.00 1.63 0.00 28.86 14:17:01 0.25 0.00 0.25 0.00 3.11 14:18:01 0.18 0.00 0.18 0.00 2.02 14:19:01 0.37 0.00 0.37 0.00 6.30 Average: 5.04 1.13 3.91 305.82 454.15 14:14:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:15:01 160460 1721096 91.47 2620 1126684 1116096 38.09 471920 1089664 20 14:16:01 165436 1716120 91.21 2620 1126688 1082828 36.95 468868 1088832 16 14:17:01 164428 1717128 91.26 2620 1126696 1082984 36.96 469632 1088832 8 14:18:01 163148 1718408 91.33 2620 1126696 1082996 36.96 474952 1084848 8 14:19:01 164580 1716976 91.25 2620 1126700 1082840 36.96 477208 1081712 12 Average: 163610 1717946 91.30 2620 1126693 1089549 37.18 472516 1086778 13 14:14:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 14:15:01 eth0 55.81 45.44 348.19 44.61 0.00 0.00 0.00 14:15:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:15:01 docker0 7.33 5.19 0.91 19.38 0.00 0.00 0.00 14:16:01 eth0 1.55 0.48 1.07 0.03 0.00 0.00 0.00 14:16:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:16:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:17:01 eth0 1.03 0.30 0.32 0.20 0.00 0.00 0.00 14:17:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:17:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:18:01 eth0 0.38 0.35 0.29 0.20 0.00 0.00 0.00 14:18:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:18:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:19:01 eth0 0.20 0.15 0.08 0.07 0.00 0.00 0.00 14:19:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:19:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 11.80 9.35 70.01 9.02 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 1.47 1.04 0.18 3.88 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) 07/22/20 _x86_64_ (4 CPU) 14:13:07 LINUX RESTART 14:14:01 CPU %user %nice %system %iowait %steal %idle 14:15:01 all 2.52 0.00 1.13 0.46 0.01 95.88 14:15:01 0 2.20 0.00 1.53 0.32 0.02 95.94 14:15:01 1 2.35 0.00 1.02 0.10 0.00 96.53 14:15:01 2 2.87 0.00 0.92 1.30 0.02 94.89 14:15:01 3 2.65 0.00 1.10 0.10 0.02 96.13 14:16:01 all 0.14 0.00 0.04 0.00 0.00 99.82 14:16:01 0 0.40 0.00 0.02 0.00 0.00 99.58 14:16:01 1 0.05 0.00 0.05 0.00 0.00 99.90 14:16:01 2 0.07 0.00 0.07 0.00 0.02 99.85 14:16:01 3 0.03 0.00 0.03 0.00 0.00 99.93 14:17:01 all 0.14 0.00 0.03 0.00 0.00 99.83 14:17:01 0 0.40 0.00 0.03 0.00 0.00 99.57 14:17:01 1 0.07 0.00 0.02 0.00 0.00 99.92 14:17:01 2 0.08 0.00 0.05 0.00 0.00 99.87 14:17:01 3 0.05 0.00 0.02 0.00 0.00 99.93 14:18:01 all 0.15 0.00 0.03 0.00 0.00 99.81 14:18:01 0 0.52 0.00 0.02 0.00 0.00 99.47 14:18:01 1 0.02 0.00 0.05 0.00 0.00 99.93 14:18:01 2 0.03 0.00 0.03 0.00 0.00 99.93 14:18:01 3 0.02 0.00 0.02 0.00 0.00 99.97 14:19:01 all 0.16 0.00 0.04 0.00 0.00 99.79 14:19:01 0 0.55 0.00 0.02 0.00 0.00 99.43 14:19:01 1 0.03 0.00 0.12 0.00 0.00 99.85 14:19:01 2 0.03 0.00 0.02 0.00 0.00 99.95 14:19:01 3 0.05 0.00 0.02 0.00 0.00 99.93 Average: all 0.62 0.00 0.25 0.09 0.00 99.03 Average: 0 0.81 0.00 0.32 0.06 0.00 98.80 Average: 1 0.50 0.00 0.25 0.02 0.00 99.23 Average: 2 0.62 0.00 0.22 0.26 0.01 98.90 Average: 3 0.56 0.00 0.24 0.02 0.00 99.18