---> uname -a: Linux 48205ec73ad6 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 7.2G 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-268 /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/edgexfoundry_device-sdk-c_PR-268@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 652 118 0 1066 1079 Swap: 1023 1 1022 ---> 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) 06/14/20 _x86_64_ (4 CPU) 20:53:45 LINUX RESTART 20:55:01 tps rtps wtps bread/s bwrtn/s 20:56:01 6.71 0.55 6.16 7.99 217.04 20:57:01 0.35 0.00 0.35 0.00 5.13 20:58:01 0.22 0.00 0.22 0.00 3.38 Average: 2.42 0.18 2.24 2.66 75.20 20:55:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:56:01 164508 1717048 91.26 2620 1143008 1120396 38.24 427584 1129284 20 20:57:01 168852 1712704 91.03 2620 1143012 1082432 36.94 426148 1127552 20 20:58:01 168132 1713424 91.06 2620 1143020 1082612 36.95 427156 1127552 8 Average: 167164 1714392 91.12 2620 1143013 1095147 37.38 426963 1128129 16 20:55:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 20:56:01 eth0 21.06 18.15 31.56 24.50 0.00 0.00 0.00 20:56:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:56:01 docker0 6.41 6.31 0.81 18.85 0.00 0.00 0.00 20:57:01 eth0 1.25 0.68 1.42 0.05 0.00 0.00 0.00 20:57:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:57:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:58:01 eth0 0.78 0.27 0.31 0.19 0.00 0.00 0.00 20:58:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:58:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 7.70 6.37 11.10 8.25 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 2.14 2.10 0.27 6.29 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) 06/14/20 _x86_64_ (4 CPU) 20:53:45 LINUX RESTART 20:55:01 CPU %user %nice %system %iowait %steal %idle 20:56:01 all 0.80 0.00 0.46 0.05 2.08 96.61 20:56:01 0 0.96 0.00 0.40 0.02 2.61 96.02 20:56:01 1 0.35 0.00 0.41 0.05 1.77 97.42 20:56:01 2 0.98 0.00 0.38 0.03 2.13 96.48 20:56:01 3 0.94 0.00 0.61 0.12 1.79 96.54 20:57:01 all 0.13 0.00 0.06 0.00 0.37 99.44 20:57:01 0 0.42 0.00 0.08 0.00 0.71 98.79 20:57:01 1 0.02 0.00 0.07 0.00 0.22 99.70 20:57:01 2 0.03 0.00 0.05 0.00 0.22 99.70 20:57:01 3 0.03 0.00 0.07 0.00 0.30 99.60 20:58:01 all 0.10 0.00 0.03 0.00 0.31 99.56 20:58:01 0 0.28 0.00 0.02 0.00 0.42 99.29 20:58:01 1 0.02 0.00 0.03 0.00 0.10 99.85 20:58:01 2 0.07 0.00 0.05 0.00 0.56 99.32 20:58:01 3 0.05 0.00 0.02 0.00 0.20 99.73 Average: all 0.35 0.00 0.18 0.02 0.92 98.53 Average: 0 0.55 0.00 0.17 0.01 1.25 98.03 Average: 1 0.13 0.00 0.17 0.02 0.70 98.99 Average: 2 0.36 0.00 0.16 0.01 0.97 98.50 Average: 3 0.34 0.00 0.23 0.04 0.76 98.62