---> uname -a: Linux 27f2c24ec1d4 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 7.6G 42.4G 15% / 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 7.6G 42.4G 15% /etc/resolv.conf /dev/vda1 50.0G 7.6G 42.4G 15% /etc/hostname /dev/vda1 50.0G 7.6G 42.4G 15% /etc/hosts /dev/vda1 50.0G 7.6G 42.4G 15% /w/workspace/edgexfoundry_edgex-docs_PR-196 /dev/vda1 50.0G 7.6G 42.4G 15% /w/workspace/edgexfoundry_edgex-docs_PR-196@tmp /dev/vda1 50.0G 7.6G 42.4G 15% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1837 631 119 0 1086 1102 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) 08/25/20 _x86_64_ (4 CPU) 22:18:44 LINUX RESTART 22:20:01 tps rtps wtps bread/s bwrtn/s 22:21:01 92.52 25.55 66.97 5865.07 19934.01 22:22:01 137.41 56.66 80.75 5373.29 22463.48 Average: 114.97 41.11 73.86 5619.18 21198.75 22:20:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:21:01 80012 1801544 95.75 2620 1173048 1284728 43.85 594976 1017056 55760 22:22:01 78044 1803512 95.85 2596 1142996 1537156 52.46 659604 945512 85028 Average: 79028 1802528 95.80 2608 1158022 1410942 48.15 627290 981284 70394 22:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 22:21:01 eth0 352.75 237.33 2146.92 36.31 0.00 0.00 0.00 22:21:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:21:01 veth1cc6046 15.30 39.07 1.34 223.22 0.00 0.00 0.00 22:21:01 docker0 15.30 38.94 1.13 223.21 0.00 0.00 0.00 22:22:01 eth0 415.21 266.04 2478.23 1315.25 0.00 0.00 0.00 22:22:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:22:01 docker0 5.26 10.00 0.39 70.03 0.00 0.00 0.00 Average: eth0 383.98 251.68 2312.57 675.78 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 10.28 24.47 0.76 146.62 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) 08/25/20 _x86_64_ (4 CPU) 22:18:44 LINUX RESTART 22:20:01 CPU %user %nice %system %iowait %steal %idle 22:21:01 all 7.60 0.00 3.00 1.63 9.22 78.56 22:21:01 0 6.69 0.00 2.96 2.54 10.72 77.09 22:21:01 1 8.19 0.00 3.33 1.69 8.76 78.03 22:21:01 2 10.44 0.00 3.02 1.07 8.21 77.26 22:21:01 3 5.14 0.00 2.63 1.21 9.18 81.85 22:22:01 all 14.08 0.00 4.06 1.34 11.76 68.76 22:22:01 0 21.23 0.00 4.48 1.81 13.03 59.45 22:22:01 1 13.15 0.00 3.63 0.99 11.72 70.51 22:22:01 2 11.85 0.00 4.39 1.09 10.46 72.21 22:22:01 3 10.30 0.00 3.77 1.52 11.83 72.57 Average: all 10.82 0.00 3.52 1.49 10.47 73.70 Average: 0 13.77 0.00 3.70 2.18 11.84 68.50 Average: 1 10.68 0.00 3.48 1.34 10.24 74.26 Average: 2 11.15 0.00 3.70 1.08 9.33 74.73 Average: 3 7.69 0.00 3.19 1.37 10.49 77.26