---> uname -a: Linux 489005e3ef27 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% /var/log/sa /dev/vda1 50.0G 7.8G 42.2G 16% /w/workspace/edgexfoundry_edgex-docs_master /dev/vda1 50.0G 7.8G 42.2G 16% /w/workspace/edgexfoundry_edgex-docs_master@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 638 100 0 1098 1097 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) 08/09/20 _x86_64_ (4 CPU) 21:36:19 LINUX RESTART 21:37:01 tps rtps wtps bread/s bwrtn/s 21:38:01 159.49 42.92 116.58 7905.08 34422.30 21:39:02 227.63 132.20 95.43 9615.70 36938.16 Average: 193.57 87.57 106.00 8760.60 35680.54 21:37:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:38:01 104204 1777352 94.46 2620 1140940 1206356 41.17 576612 988212 7428 21:39:02 158028 1723528 91.60 1796 1082996 1389772 47.43 621392 892564 32 Average: 131116 1750440 93.03 2208 1111968 1298064 44.30 599002 940388 3730 21:37:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 21:38:01 eth0 858.08 581.03 3903.49 267.42 0.00 0.00 0.00 21:38:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:38:01 veth75b4ac9 22.60 32.85 1.94 293.66 0.00 0.00 0.00 21:38:01 docker0 22.60 32.72 1.63 293.65 0.00 0.00 0.00 21:39:02 veth53a5a63 0.00 0.05 0.00 0.00 0.00 0.00 0.00 21:39:02 eth0 4196.29 2721.61 11951.26 2904.46 0.00 0.00 0.00 21:39:02 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 21:39:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth53a5a63 0.00 0.02 0.00 0.00 0.00 0.00 0.00 Average: eth0 2098.67 1361.14 5977.12 1452.59 0.00 0.00 0.00 Average: lo 0.06 0.06 0.00 0.00 0.00 0.00 0.00 Average: docker0 11.30 16.35 0.82 146.79 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) 08/09/20 _x86_64_ (4 CPU) 21:36:19 LINUX RESTART 21:37:01 CPU %user %nice %system %iowait %steal %idle 21:38:01 all 18.19 0.00 5.56 3.46 0.03 72.77 21:38:01 0 18.17 0.00 5.86 4.79 0.02 71.16 21:38:01 1 22.46 0.00 6.59 3.20 0.03 67.72 21:38:01 2 11.47 0.00 4.93 2.16 0.02 81.42 21:38:01 3 20.67 0.00 4.86 3.69 0.02 70.77 21:39:02 all 19.28 0.00 7.06 3.20 0.04 70.42 21:39:02 0 28.50 0.00 9.27 3.33 0.05 58.85 21:39:02 1 16.14 0.00 6.06 1.98 0.05 75.77 21:39:02 2 15.32 0.00 5.94 3.70 0.02 75.03 21:39:02 3 17.24 0.00 6.98 3.78 0.07 71.93 Average: all 18.73 0.00 6.31 3.33 0.03 71.60 Average: 0 23.29 0.00 7.55 4.07 0.03 65.05 Average: 1 19.31 0.00 6.32 2.59 0.04 71.73 Average: 2 13.39 0.00 5.43 2.93 0.02 78.24 Average: 3 18.96 0.00 5.92 3.74 0.04 71.35