---> uname -a: Linux 9ce723401bbf 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 7.7G 42.3G 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 7.7G 42.3G 15% /etc/resolv.conf /dev/vda1 50.0G 7.7G 42.3G 15% /etc/hostname /dev/vda1 50.0G 7.7G 42.3G 15% /etc/hosts /dev/vda1 50.0G 7.7G 42.3G 15% /w/workspace/edgexfoundry_edgex-docs_master /dev/vda1 50.0G 7.7G 42.3G 15% /w/workspace/edgexfoundry_edgex-docs_master@tmp /dev/vda1 50.0G 7.7G 42.3G 15% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1837 678 75 0 1083 1056 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) 08/31/20 _x86_64_ (4 CPU) 14:50:32 LINUX RESTART 14:51:01 tps rtps wtps bread/s bwrtn/s 14:52:02 162.15 61.59 100.56 9168.66 29888.31 14:53:01 205.03 108.33 96.70 8136.20 35986.88 Average: 183.33 84.68 98.65 8658.52 32901.65 14:51:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:52:02 102664 1778892 94.54 2620 1136884 1226188 41.85 541460 1022876 87904 14:53:01 67564 1813992 96.41 2596 1100780 1538496 52.51 684268 922304 49320 Average: 85114 1796442 95.48 2608 1118832 1382342 47.18 612864 972590 68612 14:51:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 14:52:02 vethb517b3e 33.79 46.64 2.71 292.06 0.00 0.00 0.00 14:52:02 eth0 1070.35 635.82 4218.92 101.43 0.00 0.00 0.00 14:52:02 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 14:52:02 docker0 33.79 46.51 2.25 292.05 0.00 0.00 0.00 14:53:01 eth0 2158.69 1140.23 6670.98 1654.88 0.00 0.00 0.00 14:53:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:53:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 1596.97 875.94 5409.40 868.17 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 17.09 23.53 1.14 147.75 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) 08/31/20 _x86_64_ (4 CPU) 14:50:32 LINUX RESTART 14:51:01 CPU %user %nice %system %iowait %steal %idle 14:52:02 all 20.43 0.00 8.17 3.95 0.13 67.33 14:52:02 0 15.30 0.00 8.22 2.62 0.12 73.75 14:52:02 1 23.02 0.00 8.32 3.94 0.12 64.60 14:52:02 2 20.49 0.00 8.08 3.65 0.15 67.62 14:52:02 3 22.88 0.00 8.01 5.58 0.10 63.43 14:53:01 all 19.30 0.00 6.38 3.06 0.13 71.13 14:53:01 0 13.53 0.00 7.47 2.80 0.16 76.04 14:53:01 1 15.46 0.00 5.62 2.06 0.14 76.72 14:53:01 2 21.27 0.00 7.06 5.27 0.16 66.25 14:53:01 3 26.86 0.00 5.39 2.11 0.09 65.56 Average: all 19.87 0.00 7.28 3.51 0.13 69.21 Average: 0 14.43 0.00 7.85 2.71 0.14 74.87 Average: 1 19.29 0.00 6.99 3.01 0.13 70.58 Average: 2 20.88 0.00 7.58 4.45 0.15 66.95 Average: 3 24.85 0.00 6.71 3.86 0.09 64.49