---> uname -a: Linux aad3598ce2da 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-185 /dev/vda1 50.0G 7.8G 42.2G 16% /w/workspace/edgexfoundry_edgex-docs_PR-185@tmp /dev/vda1 50.0G 7.8G 42.2G 16% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1837 648 86 0 1102 1084 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) 20:54:55 LINUX RESTART 20:56:02 tps rtps wtps bread/s bwrtn/s 20:57:01 100.49 38.01 62.48 6431.22 23118.77 20:58:01 106.99 34.28 72.70 5349.17 12607.34 Average: 103.76 36.13 67.63 5886.02 17822.53 20:56:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:57:01 74652 1806904 96.03 2620 1187084 1531576 52.27 561348 1069892 91520 20:58:01 137472 1744084 92.69 2620 1106488 1235540 42.17 635048 897152 108836 Average: 106062 1775494 94.36 2620 1146786 1383558 47.22 598198 983522 100178 20:56:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 20:57:01 eth0 753.60 410.63 4040.50 77.70 0.00 0.00 0.00 20:57:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:57:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:58:01 eth0 212.99 132.58 355.01 459.15 0.00 0.00 0.00 20:58:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:58:01 veth565a89b 24.50 41.98 2.12 293.37 0.00 0.00 0.00 20:58:01 docker0 24.50 41.85 1.78 293.36 0.00 0.00 0.00 Average: eth0 481.21 270.53 2183.54 269.89 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth565a89b 12.34 21.15 1.07 147.82 0.00 0.00 0.00 Average: docker0 12.34 21.09 0.90 147.81 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) 20:54:55 LINUX RESTART 20:56:02 CPU %user %nice %system %iowait %steal %idle 20:57:01 all 17.99 0.00 7.84 3.23 24.31 46.63 20:57:01 0 18.57 0.00 7.83 4.57 24.45 44.58 20:57:01 1 17.01 0.00 7.49 2.71 23.97 48.83 20:57:01 2 17.67 0.00 7.82 3.58 24.25 46.68 20:57:01 3 18.75 0.00 8.27 2.08 24.55 46.36 20:58:01 all 13.86 0.00 4.31 1.57 5.52 74.74 20:58:01 0 13.87 0.00 5.75 0.84 4.86 74.69 20:58:01 1 10.16 0.00 3.11 2.11 6.24 78.37 20:58:01 2 9.32 0.00 3.19 1.76 5.37 80.35 20:58:01 3 22.39 0.00 5.21 1.57 5.57 65.26 Average: all 15.94 0.00 6.08 2.40 14.95 60.63 Average: 0 16.22 0.00 6.79 2.70 14.66 59.63 Average: 1 13.57 0.00 5.29 2.41 15.07 63.66 Average: 2 13.51 0.00 5.52 2.67 14.85 63.44 Average: 3 20.54 0.00 6.76 1.83 15.22 55.65