---> uname -a: Linux d5e82439391a 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_PR-140 /dev/vda1 50.0G 7.8G 42.2G 16% /w/workspace/edgexfoundry_edgex-docs_PR-140@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 627 103 0 1106 1105 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) 06/29/20 _x86_64_ (4 CPU) 21:40:20 LINUX RESTART 21:41:01 tps rtps wtps bread/s bwrtn/s 21:42:01 140.93 49.76 91.17 8471.62 27747.60 21:43:02 248.60 113.49 135.11 9409.92 32470.05 Average: 194.74 81.61 113.13 8940.57 30107.84 21:41:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:42:01 64496 1817060 96.57 2620 1169336 1285168 43.86 634328 992052 79344 21:43:02 119732 1761824 93.64 2028 1139960 1318808 45.01 611520 952272 36 Average: 92114 1789442 95.10 2324 1154648 1301988 44.43 622924 972162 39690 21:41:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 21:42:01 eth0 851.16 653.32 4188.36 108.51 0.00 0.00 0.00 21:42:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:42:01 vethafa4b6e 17.94 41.36 1.55 223.74 0.00 0.00 0.00 21:42:01 docker0 17.94 41.23 1.31 223.73 0.00 0.00 0.00 21:43:02 eth0 119.10 85.69 2419.26 63.61 0.00 0.00 0.00 21:43:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:43:02 veth112ddab 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:43:02 veth7e41895 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 485.28 369.62 3304.18 86.07 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth112ddab 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth7e41895 0.00 0.00 0.00 0.00 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) 06/29/20 _x86_64_ (4 CPU) 21:40:20 LINUX RESTART 21:41:01 CPU %user %nice %system %iowait %steal %idle 21:42:01 all 18.04 0.00 6.19 3.60 12.16 60.01 21:42:01 0 18.21 0.00 7.05 2.21 12.80 59.73 21:42:01 1 15.79 0.00 5.41 3.14 11.58 64.08 21:42:01 2 17.53 0.00 5.84 2.12 12.24 62.27 21:42:01 3 20.68 0.00 6.50 6.98 12.06 53.79 21:43:02 all 12.73 0.00 5.76 3.08 6.04 72.39 21:43:02 0 7.24 0.00 4.59 0.74 6.60 80.83 21:43:02 1 14.18 0.00 5.46 5.03 5.87 69.46 21:43:02 2 15.51 0.00 5.05 4.15 6.11 69.18 21:43:02 3 14.07 0.00 8.00 2.38 5.57 69.99 Average: all 15.39 0.00 5.98 3.34 9.11 66.18 Average: 0 12.68 0.00 5.81 1.47 9.67 70.38 Average: 1 14.99 0.00 5.43 4.08 8.75 66.75 Average: 2 16.53 0.00 5.45 3.13 9.20 65.69 Average: 3 17.38 0.00 7.24 4.68 8.83 61.86