---> uname -a: Linux f2ac9ce43a15 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-192 /dev/vda1 50.0G 7.7G 42.3G 15% /w/workspace/edgexfoundry_edgex-docs_PR-192@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 667 110 0 1059 1065 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) 01:50:33 LINUX RESTART 01:52:02 tps rtps wtps bread/s bwrtn/s 01:53:01 68.04 15.67 52.37 5016.36 20204.38 01:54:01 86.83 21.51 65.32 1989.63 13032.43 Average: 77.51 18.62 58.90 3489.81 16587.16 01:52:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:53:01 79772 1801784 95.76 2620 1195372 1548728 52.86 564844 1078216 37688 01:54:01 110300 1771256 94.14 2620 1124324 1261628 43.06 582860 974732 1860 Average: 95036 1786520 94.95 2620 1159848 1405178 47.96 573852 1026474 19774 01:52:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 01:53:01 eth0 514.52 414.60 3421.39 49.47 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 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:54:01 eth0 167.76 106.56 350.62 422.40 0.00 0.00 0.00 01:54:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:54:01 veth9e1c0cd 18.26 45.53 1.63 293.42 0.00 0.00 0.00 01:54:01 docker0 18.26 45.40 1.38 293.41 0.00 0.00 0.00 Average: eth0 339.63 259.24 1872.63 237.56 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth9e1c0cd 9.21 22.96 0.82 147.99 0.00 0.00 0.00 Average: docker0 9.21 22.90 0.69 147.98 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) 01:50:33 LINUX RESTART 01:52:02 CPU %user %nice %system %iowait %steal %idle 01:53:01 all 4.51 0.00 2.61 1.67 19.43 71.79 01:53:01 0 3.62 0.00 2.02 1.49 23.36 69.51 01:53:01 1 5.28 0.00 3.23 2.26 19.93 69.29 01:53:01 2 4.74 0.00 2.47 1.27 16.03 75.48 01:53:01 3 4.41 0.00 2.72 1.63 18.20 73.03 01:54:01 all 13.58 0.00 3.50 0.72 12.06 70.16 01:54:01 0 11.64 0.00 3.04 1.35 13.57 70.41 01:54:01 1 7.51 0.00 3.45 1.08 13.14 74.82 01:54:01 2 10.56 0.00 2.61 0.14 11.93 74.76 01:54:01 3 25.48 0.00 4.96 0.26 9.42 59.88 Average: all 8.98 0.00 3.05 1.20 15.79 70.98 Average: 0 7.53 0.00 2.51 1.42 18.59 69.95 Average: 1 6.40 0.00 3.34 1.67 16.54 72.05 Average: 2 7.65 0.00 2.54 0.71 13.98 75.12 Average: 3 14.61 0.00 3.81 0.96 13.95 66.67