---> uname -a: Linux 2a36757bb518 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-270 /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/edgexfoundry_device-sdk-c_PR-270@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 654 119 0 1063 1076 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) 06/17/20 _x86_64_ (4 CPU) 18:34:16 LINUX RESTART 18:35:01 tps rtps wtps bread/s bwrtn/s 18:36:01 25.96 7.74 18.22 2581.72 2459.65 18:37:01 0.68 0.00 0.68 0.00 9.36 18:38:01 0.25 0.00 0.25 0.00 3.33 18:39:01 0.23 0.00 0.23 0.00 2.70 18:40:01 59.59 44.32 15.28 4653.99 7846.79 Average: 17.36 10.43 6.94 1448.46 2066.69 18:35:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:36:01 173012 1708544 90.80 2620 1133312 1105584 37.73 419952 1128460 16 18:37:01 177264 1704292 90.58 2620 1133316 1079580 36.84 420552 1124436 16 18:38:01 173308 1708248 90.79 2620 1133324 1079736 36.85 424652 1123912 8 18:39:01 173988 1707568 90.75 2620 1133324 1079508 36.84 424680 1123252 8 18:40:01 71368 1810188 96.21 2620 1131880 1512808 51.63 543748 1082056 82352 Average: 153788 1727768 91.83 2620 1133031 1171443 39.98 446717 1116423 16480 18:35:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 18:36:01 eth0 56.87 45.81 349.18 44.53 0.00 0.00 0.00 18:36:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:36:01 docker0 8.18 6.53 0.99 19.20 0.00 0.00 0.00 18:37:01 eth0 2.10 0.93 1.55 0.06 0.00 0.00 0.00 18:37:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:37:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:38:01 eth0 1.25 0.78 0.57 0.41 0.00 0.00 0.00 18:38:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:38:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:39:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 18:39:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:39:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:40:01 eth0 91.07 59.44 2320.64 8.02 0.00 0.00 0.00 18:40:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 30.30 21.43 535.10 10.60 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 1.63 1.31 0.20 3.84 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) 06/17/20 _x86_64_ (4 CPU) 18:34:16 LINUX RESTART 18:35:01 CPU %user %nice %system %iowait %steal %idle 18:36:01 all 2.39 0.00 1.18 0.66 0.00 95.76 18:36:01 0 1.94 0.00 1.10 0.62 0.02 96.32 18:36:01 1 2.15 0.00 1.30 0.15 0.00 96.40 18:36:01 2 2.77 0.00 1.27 1.50 0.00 94.45 18:36:01 3 2.70 0.00 1.02 0.38 0.00 95.89 18:37:01 all 0.15 0.00 0.04 0.00 0.00 99.81 18:37:01 0 0.03 0.00 0.07 0.00 0.00 99.90 18:37:01 1 0.03 0.00 0.02 0.00 0.00 99.95 18:37:01 2 0.03 0.00 0.03 0.00 0.00 99.93 18:37:01 3 0.48 0.00 0.03 0.00 0.00 99.48 18:38:01 all 0.16 0.00 0.02 0.00 0.00 99.82 18:38:01 0 0.05 0.00 0.03 0.00 0.00 99.92 18:38:01 1 0.03 0.00 0.02 0.00 0.00 99.95 18:38:01 2 0.07 0.00 0.03 0.00 0.00 99.90 18:38:01 3 0.50 0.00 0.02 0.00 0.00 99.48 18:39:01 all 0.13 0.00 0.02 0.00 0.00 99.85 18:39:01 0 0.00 0.00 0.00 0.00 0.00 100.00 18:39:01 1 0.02 0.00 0.02 0.00 0.00 99.97 18:39:01 2 0.05 0.00 0.03 0.00 0.00 99.92 18:39:01 3 0.43 0.00 0.02 0.00 0.00 99.55 18:40:01 all 3.05 0.00 1.43 1.07 0.01 94.45 18:40:01 0 2.82 0.00 1.33 1.27 0.02 94.57 18:40:01 1 2.45 0.00 1.38 0.67 0.00 95.50 18:40:01 2 2.83 0.00 1.65 0.93 0.02 94.57 18:40:01 3 4.12 0.00 1.37 1.38 0.02 93.11 Average: all 1.17 0.00 0.54 0.35 0.00 97.94 Average: 0 0.97 0.00 0.51 0.38 0.01 98.14 Average: 1 0.94 0.00 0.55 0.16 0.00 98.35 Average: 2 1.15 0.00 0.60 0.49 0.00 97.76 Average: 3 1.65 0.00 0.49 0.35 0.00 97.51