---> uname -a: Linux 422ddb98e052 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: 2933.436 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-165 /dev/vda1 50.0G 7.8G 42.2G 16% /w/workspace/edgexfoundry_edgex-docs_PR-165@tmp /dev/vda1 50.0G 7.8G 42.2G 16% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1837 646 100 0 1090 1087 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) 07/24/20 _x86_64_ (4 CPU) 02:57:44 LINUX RESTART 02:58:02 tps rtps wtps bread/s bwrtn/s 02:59:01 227.37 91.59 135.78 11170.92 64147.65 03:00:01 170.36 76.93 93.42 8344.60 21966.54 Average: 198.59 84.19 114.40 9744.26 42855.56 02:58:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:59:01 75360 1806196 95.99 2620 1159584 1246444 42.54 614620 997868 92044 03:00:01 77332 1804224 95.89 1648 1125652 1529616 52.20 755136 852544 56576 Average: 76346 1805210 95.94 2134 1142618 1388030 47.37 684878 925206 74310 02:58:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 02:59:01 eth0 971.06 575.22 4349.93 95.15 0.00 0.00 0.00 02:59:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:59:01 docker0 18.79 24.46 1.30 226.93 0.00 0.00 0.00 02:59:01 vethf55f02b 18.79 24.59 1.56 226.94 0.00 0.00 0.00 03:00:01 eth0 1120.66 679.01 2584.97 2850.19 0.00 0.00 0.00 03:00:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:00:01 docker0 7.62 8.87 0.51 70.09 0.00 0.00 0.00 Average: eth0 1046.57 627.61 3459.02 1485.83 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 13.15 16.59 0.90 147.76 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) 07/24/20 _x86_64_ (4 CPU) 02:57:44 LINUX RESTART 02:58:02 CPU %user %nice %system %iowait %steal %idle 02:59:01 all 21.52 0.00 9.75 11.97 0.07 56.69 02:59:01 0 22.98 0.00 10.94 9.49 0.05 56.55 02:59:01 1 25.88 0.00 10.61 11.87 0.09 51.56 02:59:01 2 19.27 0.00 9.46 17.47 0.07 53.73 02:59:01 3 17.97 0.00 8.04 9.01 0.07 64.91 03:00:01 all 18.13 0.00 6.20 3.17 0.15 72.35 03:00:01 0 15.15 0.00 6.16 2.38 0.14 76.17 03:00:01 1 13.15 0.00 4.84 2.76 0.17 79.08 03:00:01 2 18.12 0.00 5.67 3.22 0.13 72.85 03:00:01 3 26.05 0.00 8.11 4.29 0.15 61.39 Average: all 19.81 0.00 7.96 7.53 0.11 64.59 Average: 0 19.04 0.00 8.54 5.91 0.09 66.42 Average: 1 19.45 0.00 7.69 7.27 0.13 65.46 Average: 2 18.69 0.00 7.55 10.29 0.10 63.37 Average: 3 22.05 0.00 8.08 6.63 0.11 63.13