---> uname -a: Linux 6dc2bcdbf724 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 7.7G 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% /var/log/sa /dev/vda1 50.0G 7.7G 42.3G 15% /w/workspace/edgexfoundry_edgex-docs_PR-198 /dev/vda1 50.0G 7.7G 42.3G 15% /w/workspace/edgexfoundry_edgex-docs_PR-198@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 657 99 0 1080 1076 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) 08/23/20 _x86_64_ (4 CPU) 01:50:18 LINUX RESTART 01:51:01 tps rtps wtps bread/s bwrtn/s 01:52:01 101.45 31.98 69.47 6666.09 23043.43 01:53:01 240.90 131.89 109.00 10025.03 28537.90 Average: 171.16 81.93 89.23 8345.28 25790.21 01:51:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:52:01 85492 1796064 95.46 2620 1167848 1257244 42.91 580512 1032560 28904 01:53:01 139388 1742168 92.59 1956 1104452 1217988 41.57 639688 894032 400 Average: 112440 1769116 94.02 2288 1136150 1237616 42.24 610100 963296 14652 01:51:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 01:52:01 eth0 833.26 642.45 3701.26 81.55 0.00 0.00 0.00 01:52:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:52:01 vethc752b06 16.71 23.28 1.34 181.47 0.00 0.00 0.00 01:52:01 docker0 16.71 23.16 1.11 181.46 0.00 0.00 0.00 01:53:01 eth0 784.47 490.58 2588.05 2000.30 0.00 0.00 0.00 01:53:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:53:01 veth0614f4b 0.22 0.25 0.37 0.09 0.00 0.00 0.00 01:53:01 docker0 8.47 13.63 0.98 111.91 0.00 0.00 0.00 Average: eth0 808.87 566.53 3144.75 1040.76 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth0614f4b 0.11 0.12 0.18 0.05 0.00 0.00 0.00 Average: docker0 12.59 18.40 1.05 146.69 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) 08/23/20 _x86_64_ (4 CPU) 01:50:18 LINUX RESTART 01:51:01 CPU %user %nice %system %iowait %steal %idle 01:52:01 all 10.05 0.00 3.61 2.15 0.03 84.17 01:52:01 0 9.90 0.00 4.00 0.70 0.03 85.37 01:52:01 1 9.70 0.00 3.31 2.87 0.05 84.07 01:52:01 2 13.87 0.00 4.43 2.00 0.03 79.67 01:52:01 3 6.69 0.00 2.72 3.03 0.02 87.54 01:53:01 all 18.66 0.00 6.58 2.73 0.06 71.96 01:53:01 0 17.18 0.00 5.75 2.07 0.05 74.95 01:53:01 1 19.17 0.00 6.86 2.53 0.05 71.39 01:53:01 2 13.85 0.00 6.93 3.22 0.07 75.93 01:53:01 3 24.42 0.00 6.77 3.10 0.05 65.67 Average: all 14.34 0.00 5.09 2.44 0.04 78.08 Average: 0 13.55 0.00 4.87 1.39 0.04 80.15 Average: 1 14.41 0.00 5.08 2.70 0.05 77.76 Average: 2 13.86 0.00 5.68 2.61 0.05 77.81 Average: 3 15.53 0.00 4.74 3.06 0.03 76.64