---> uname -a: Linux 95e0ccd03f9a 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 7.7G 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-212 /dev/vda1 50.0G 7.7G 42.3G 15% /w/workspace/edgexfoundry_edgex-docs_PR-212@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 665 107 0 1063 1067 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) 01:49:31 LINUX RESTART 01:50:01 tps rtps wtps bread/s bwrtn/s 01:51:02 191.15 70.59 120.55 9540.22 59666.33 01:52:01 248.31 137.73 110.58 10442.65 29554.37 Average: 219.48 103.88 115.61 9987.61 44737.95 01:50:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:51:02 84232 1797324 95.52 2620 1157996 1280968 43.72 603880 1006108 41688 01:52:01 129524 1752032 93.12 2044 1086952 1236408 42.20 655252 885324 344 Average: 106878 1774678 94.32 2332 1122474 1258688 42.96 629566 945716 21016 01:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 01:51:02 eth0 1150.31 768.15 4134.10 118.43 0.00 0.00 0.00 01:51:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:51:02 veth3543391 16.91 31.04 1.42 223.34 0.00 0.00 0.00 01:51:02 docker0 16.91 30.90 1.19 223.33 0.00 0.00 0.00 01:52:01 veth4690964 0.22 0.29 0.37 0.10 0.00 0.00 0.00 01:52:01 eth0 2084.66 1339.95 6851.19 2353.94 0.00 0.00 0.00 01:52:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 01:52:01 docker0 7.01 11.46 0.84 71.74 0.00 0.00 0.00 Average: veth4690964 0.11 0.14 0.18 0.05 0.00 0.00 0.00 Average: eth0 1033.50 664.29 3396.56 1166.99 0.00 0.00 0.00 Average: lo 0.06 0.06 0.00 0.00 0.00 0.00 0.00 Average: docker0 12.00 21.26 1.02 148.17 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) 01:49:31 LINUX RESTART 01:50:01 CPU %user %nice %system %iowait %steal %idle 01:51:02 all 18.59 0.00 8.39 6.92 0.09 66.01 01:51:02 0 25.86 0.00 10.36 6.57 0.09 57.12 01:51:02 1 17.51 0.00 8.64 6.51 0.12 67.23 01:51:02 2 16.49 0.00 7.63 5.44 0.07 70.37 01:51:02 3 14.58 0.00 6.97 9.17 0.08 69.19 01:52:01 all 19.02 0.00 6.21 3.18 0.11 71.49 01:52:01 0 20.79 0.00 6.62 3.70 0.10 68.78 01:52:01 1 23.23 0.00 6.10 2.79 0.09 67.79 01:52:01 2 16.70 0.00 6.80 2.56 0.12 73.82 01:52:01 3 15.33 0.00 5.31 3.63 0.12 75.60 Average: all 18.80 0.00 7.31 5.07 0.10 68.72 Average: 0 23.34 0.00 8.51 5.15 0.09 62.91 Average: 1 20.34 0.00 7.38 4.67 0.10 67.50 Average: 2 16.59 0.00 7.22 4.02 0.09 72.07 Average: 3 14.95 0.00 6.15 6.43 0.10 72.36