---> uname -a: Linux 8045b56593f2 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 7.8G 42.2G 16% / 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 7.8G 42.2G 16% /etc/resolv.conf /dev/vda1 50.0G 7.8G 42.2G 16% /etc/hostname /dev/vda1 50.0G 7.8G 42.2G 16% /etc/hosts /dev/vda1 50.0G 7.8G 42.2G 16% /w/workspace/edgexfoundry_edgex-docs_PR-181@tmp /dev/vda1 50.0G 7.8G 42.2G 16% /var/log/sa /dev/vda1 50.0G 7.8G 42.2G 16% /w/workspace/edgexfoundry_edgex-docs_PR-181 ---> free -m: total used free shared buff/cache available Mem: 1837 658 91 0 1086 1074 Swap: 1023 2 1021 ---> 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) 07/14/20 _x86_64_ (4 CPU) 13:48:42 LINUX RESTART 13:49:01 tps rtps wtps bread/s bwrtn/s 13:50:02 212.23 68.40 143.83 10275.79 64714.78 13:51:01 255.35 141.94 113.41 11402.70 29141.18 Average: 233.64 104.92 128.73 10835.42 47048.67 13:49:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:50:02 78456 1803100 95.83 2620 1132516 1249784 42.65 615648 989648 73312 13:51:01 115828 1765728 93.84 1492 1102144 1284680 43.84 637416 921376 27980 Average: 97142 1784414 94.84 2056 1117330 1267232 43.25 626532 955512 50646 13:49:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 13:50:02 eth0 1053.07 673.42 4258.71 99.92 0.00 0.00 0.00 13:50:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:50:02 vethb9975d2 20.04 28.52 1.68 223.43 0.00 0.00 0.00 13:50:02 docker0 20.04 28.39 1.41 223.42 0.00 0.00 0.00 13:51:01 eth0 939.79 608.10 2615.75 2885.40 0.00 0.00 0.00 13:51:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:51:01 docker0 6.12 9.02 0.43 70.74 0.00 0.00 0.00 Average: eth0 996.82 640.98 3442.80 1483.21 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 13.13 18.77 0.92 147.60 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) 07/14/20 _x86_64_ (4 CPU) 13:48:42 LINUX RESTART 13:49:01 CPU %user %nice %system %iowait %steal %idle 13:50:02 all 19.71 0.00 7.04 11.21 0.04 62.00 13:50:02 0 19.54 0.00 7.97 10.45 0.03 62.01 13:50:02 1 16.12 0.00 6.17 11.78 0.05 65.88 13:50:02 2 22.07 0.00 6.99 9.92 0.03 60.99 13:50:02 3 21.14 0.00 7.03 12.70 0.03 59.10 13:51:01 all 19.37 0.00 6.35 3.41 0.17 70.70 13:51:01 0 14.41 0.00 6.91 2.17 0.21 76.30 13:51:01 1 33.16 0.00 5.98 2.11 0.14 58.62 13:51:01 2 16.60 0.00 7.20 3.58 0.19 72.43 13:51:01 3 13.25 0.00 5.29 5.74 0.15 75.56 Average: all 19.54 0.00 6.70 7.35 0.10 66.31 Average: 0 17.00 0.00 7.45 6.35 0.12 69.08 Average: 1 24.56 0.00 6.07 6.99 0.09 62.28 Average: 2 19.36 0.00 7.09 6.78 0.11 66.66 Average: 3 17.23 0.00 6.17 9.25 0.09 67.26