---> uname -a: Linux b4943b4d8120 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: 2933.442 BogoMIPS: 5866.88 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-139@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-139 ---> free -m: total used free shared buff/cache available Mem: 1837 655 93 0 1087 1077 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) 06/08/20 _x86_64_ (4 CPU) 13:50:37 LINUX RESTART 13:51:02 tps rtps wtps bread/s bwrtn/s 13:52:02 166.96 69.16 97.80 10150.16 35640.55 13:53:01 163.61 72.42 91.19 7871.39 21784.79 Average: 165.28 70.79 94.49 9009.72 28706.23 13:51:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:52:02 81980 1799576 95.64 2620 1185164 1276004 43.55 596524 1014160 64548 13:53:01 75256 1806300 96.00 2244 1115084 1548268 52.84 738856 865204 95516 Average: 78618 1802938 95.82 2432 1150124 1412136 48.19 667690 939682 80032 13:51:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 13:52:02 eth0 808.58 590.83 4239.61 95.66 0.00 0.00 0.00 13:52:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:52:02 veth23eabfd 16.66 24.19 1.44 226.45 0.00 0.00 0.00 13:52:02 docker0 16.66 24.07 1.21 226.44 0.00 0.00 0.00 13:53:01 eth0 1112.90 695.56 2626.14 2848.13 0.00 0.00 0.00 13:53:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:53:01 docker0 5.10 7.04 0.38 70.98 0.00 0.00 0.00 Average: eth0 960.88 643.24 3432.13 1473.17 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 10.88 15.55 0.79 148.63 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) 06/08/20 _x86_64_ (4 CPU) 13:50:37 LINUX RESTART 13:51:02 CPU %user %nice %system %iowait %steal %idle 13:52:02 all 19.86 0.00 8.19 3.82 0.14 67.99 13:52:02 0 22.67 0.00 10.36 4.88 0.17 61.92 13:52:02 1 18.47 0.00 8.41 6.05 0.14 66.92 13:52:02 2 21.46 0.00 7.48 1.61 0.12 69.32 13:52:02 3 16.84 0.00 6.47 2.72 0.14 73.83 13:53:01 all 19.83 0.00 6.94 2.25 0.10 70.89 13:53:01 0 13.73 0.00 6.66 0.78 0.10 78.72 13:53:01 1 17.85 0.00 9.28 1.29 0.14 71.45 13:53:01 2 32.09 0.00 5.50 4.20 0.07 58.14 13:53:01 3 15.49 0.00 6.33 2.68 0.10 75.40 Average: all 19.84 0.00 7.56 3.03 0.12 69.44 Average: 0 18.22 0.00 8.51 2.84 0.14 70.30 Average: 1 18.16 0.00 8.85 3.67 0.14 69.18 Average: 2 26.79 0.00 6.49 2.91 0.09 63.72 Average: 3 16.16 0.00 6.40 2.70 0.12 74.62