---> uname -a: Linux cb23bc5344c4 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: 2933.396 BogoMIPS: 5866.79 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-275 /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/edgexfoundry_device-sdk-c_PR-275@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 615 113 0 1108 1116 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) 06/29/20 _x86_64_ (4 CPU) 13:46:14 LINUX RESTART 13:47:01 tps rtps wtps bread/s bwrtn/s 13:48:01 25.16 7.84 17.32 4148.28 2121.57 13:49:01 0.35 0.00 0.35 0.00 5.76 13:50:01 0.25 0.00 0.25 0.00 3.12 Average: 8.59 2.61 5.97 1382.99 710.27 13:47:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:48:01 180428 1701128 90.41 2620 1160948 1123492 38.34 403684 1135444 16 13:49:01 188844 1692712 89.96 2620 1160952 1063488 36.29 399468 1133072 16 13:50:01 187936 1693620 90.01 2620 1160960 1063768 36.30 400460 1133072 16 Average: 185736 1695820 90.13 2620 1160953 1083583 36.98 401204 1133863 16 13:47:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 13:48:01 eth0 58.47 45.98 352.04 41.41 0.00 0.00 0.00 13:48:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:48:01 docker0 7.06 4.96 0.99 18.93 0.00 0.00 0.00 13:49:01 eth0 0.67 0.07 0.06 0.01 0.00 0.00 0.00 13:49:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:49:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:50:01 eth0 1.13 0.48 0.56 0.39 0.00 0.00 0.00 13:50:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 20.09 15.51 117.58 13.94 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 2.35 1.65 0.33 6.31 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) 06/29/20 _x86_64_ (4 CPU) 13:46:14 LINUX RESTART 13:47:01 CPU %user %nice %system %iowait %steal %idle 13:48:01 all 2.57 0.00 1.22 0.63 0.00 95.57 13:48:01 0 2.15 0.00 1.44 0.55 0.02 95.84 13:48:01 1 3.31 0.00 1.19 0.45 0.00 95.06 13:48:01 2 2.24 0.00 1.32 1.45 0.02 94.97 13:48:01 3 2.57 0.00 0.90 0.07 0.00 96.46 13:49:01 all 0.13 0.00 0.03 0.00 0.00 99.85 13:49:01 0 0.03 0.00 0.02 0.00 0.00 99.95 13:49:01 1 0.40 0.00 0.03 0.00 0.00 99.57 13:49:01 2 0.07 0.00 0.03 0.00 0.00 99.90 13:49:01 3 0.03 0.00 0.02 0.00 0.00 99.95 13:50:01 all 0.15 0.00 0.03 0.00 0.00 99.82 13:50:01 0 0.02 0.00 0.02 0.00 0.00 99.97 13:50:01 1 0.52 0.00 0.02 0.00 0.00 99.47 13:50:01 2 0.03 0.00 0.03 0.00 0.00 99.93 13:50:01 3 0.03 0.00 0.02 0.00 0.00 99.95 Average: all 0.95 0.00 0.42 0.21 0.00 98.42 Average: 0 0.73 0.00 0.49 0.18 0.01 98.59 Average: 1 1.41 0.00 0.41 0.15 0.00 98.03 Average: 2 0.78 0.00 0.46 0.48 0.01 98.27 Average: 3 0.88 0.00 0.31 0.02 0.00 98.79