---> uname -a: Linux 21621c537b97 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% /w/workspace/edgexfoundry_device-sdk-c_PR-277 /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/edgexfoundry_device-sdk-c_PR-277@tmp /dev/vda1 50.0G 7.2G 42.8G 14% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1837 640 123 0 1073 1090 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) 07/13/20 _x86_64_ (4 CPU) 16:30:44 LINUX RESTART 16:31:01 tps rtps wtps bread/s bwrtn/s 16:32:01 191.48 99.82 91.66 11784.45 40406.82 16:33:02 2.31 0.00 2.31 0.00 48.06 16:34:01 0.32 0.00 0.32 0.00 5.10 16:35:01 0.27 0.00 0.27 0.00 3.61 16:36:01 0.28 0.00 0.28 0.00 4.73 16:37:01 0.32 0.00 0.32 0.00 5.38 16:38:01 0.30 0.02 0.28 0.13 2.85 Average: 27.98 14.30 13.67 1688.37 5799.03 16:31:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:32:01 173648 1707908 90.77 2620 1145644 1112236 37.96 435824 1111880 116 16:33:02 179152 1702404 90.48 2620 1145832 1077988 36.79 435016 1108636 16 16:34:01 177860 1703696 90.55 2620 1145840 1078244 36.80 439376 1105576 20 16:35:01 175640 1705916 90.67 2620 1145840 1078268 36.80 441456 1105568 20 16:36:01 173888 1707668 90.76 2620 1145844 1078304 36.80 448868 1099936 8 16:37:01 174408 1707148 90.73 2620 1145852 1078316 36.80 449004 1099880 8 16:38:01 175780 1705776 90.66 2620 1145856 1078180 36.80 447532 1099880 8 Average: 175768 1705788 90.66 2620 1145815 1083077 36.96 442439 1104479 28 16:31:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 16:32:01 eth0 442.88 268.69 1074.35 106.34 0.00 0.00 0.00 16:32:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:32:01 docker0 9.77 7.36 1.10 19.81 0.00 0.00 0.00 16:33:02 eth0 1.13 0.13 0.09 0.03 0.00 0.00 0.00 16:33:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:33:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:34:01 eth0 2.07 0.52 0.62 0.37 0.00 0.00 0.00 16:34:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:34:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:35:01 eth0 2.07 0.62 0.69 0.40 0.00 0.00 0.00 16:35:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:35:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:36:01 eth0 1.43 0.60 0.59 0.43 0.00 0.00 0.00 16:36:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:36:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:37:01 eth0 0.62 0.48 0.40 0.27 0.00 0.00 0.00 16:37:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:37:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:38:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 16:38:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:38:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 64.51 38.84 154.26 15.45 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 1.40 1.05 0.16 2.84 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) 07/13/20 _x86_64_ (4 CPU) 16:30:44 LINUX RESTART 16:31:01 CPU %user %nice %system %iowait %steal %idle 16:32:01 all 17.09 0.00 8.90 11.59 0.03 62.39 16:32:01 0 18.06 0.00 8.62 14.35 0.03 58.94 16:32:01 1 15.09 0.00 10.29 10.34 0.03 64.25 16:32:01 2 15.91 0.00 8.27 9.91 0.02 65.89 16:32:01 3 19.32 0.00 8.41 11.75 0.03 60.49 16:33:02 all 0.15 0.00 0.05 0.00 0.00 99.80 16:33:02 0 0.45 0.00 0.07 0.00 0.02 99.47 16:33:02 1 0.07 0.00 0.02 0.00 0.00 99.92 16:33:02 2 0.05 0.00 0.05 0.00 0.02 99.88 16:33:02 3 0.02 0.00 0.05 0.00 0.00 99.93 16:34:01 all 0.20 0.00 0.04 0.00 0.00 99.76 16:34:01 0 0.56 0.00 0.02 0.00 0.00 99.42 16:34:01 1 0.14 0.00 0.03 0.00 0.00 99.83 16:34:01 2 0.08 0.00 0.07 0.00 0.00 99.85 16:34:01 3 0.05 0.00 0.03 0.00 0.00 99.92 16:35:01 all 0.16 0.00 0.03 0.00 0.00 99.81 16:35:01 0 0.45 0.00 0.05 0.00 0.00 99.50 16:35:01 1 0.08 0.00 0.05 0.00 0.00 99.87 16:35:01 2 0.03 0.00 0.02 0.00 0.00 99.95 16:35:01 3 0.08 0.00 0.02 0.00 0.00 99.90 16:36:01 all 0.16 0.00 0.03 0.00 0.00 99.80 16:36:01 0 0.53 0.00 0.02 0.00 0.00 99.45 16:36:01 1 0.03 0.00 0.03 0.00 0.00 99.93 16:36:01 2 0.07 0.00 0.03 0.00 0.00 99.90 16:36:01 3 0.00 0.00 0.05 0.00 0.00 99.95 16:37:01 all 0.15 0.00 0.06 0.00 0.00 99.79 16:37:01 0 0.52 0.00 0.02 0.00 0.00 99.47 16:37:01 1 0.02 0.00 0.03 0.00 0.00 99.95 16:37:01 2 0.05 0.00 0.03 0.00 0.00 99.92 16:37:01 3 0.02 0.00 0.17 0.00 0.00 99.82 16:38:01 all 0.16 0.00 0.02 0.00 0.00 99.82 16:38:01 0 0.50 0.00 0.02 0.00 0.00 99.48 16:38:01 1 0.03 0.00 0.00 0.00 0.00 99.97 16:38:01 2 0.03 0.00 0.03 0.00 0.00 99.93 16:38:01 3 0.05 0.00 0.05 0.00 0.00 99.90 Average: all 2.56 0.00 1.30 1.64 0.00 94.49 Average: 0 2.99 0.00 1.25 2.03 0.01 93.72 Average: 1 2.19 0.00 1.48 1.47 0.00 94.85 Average: 2 2.31 0.00 1.21 1.41 0.00 95.07 Average: 3 2.77 0.00 1.24 1.66 0.00 94.32