---> uname -a: Linux dc2417581db6 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 7.6G 42.4G 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 7.6G 42.4G 15% /etc/resolv.conf /dev/vda1 50.0G 7.6G 42.4G 15% /etc/hostname /dev/vda1 50.0G 7.6G 42.4G 15% /etc/hosts /dev/vda1 50.0G 7.6G 42.4G 15% /var/log/sa /dev/vda1 50.0G 7.6G 42.4G 15% /w/workspace/edgexfoundry_edgex-docs_PR-220 /dev/vda1 50.0G 7.6G 42.4G 15% /w/workspace/edgexfoundry_edgex-docs_PR-220@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 674 107 0 1055 1059 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) 08/25/20 _x86_64_ (4 CPU) 23:48:26 LINUX RESTART 23:49:01 tps rtps wtps bread/s bwrtn/s 23:50:02 132.79 53.02 79.77 7911.54 34403.50 23:51:01 80.58 18.80 61.78 2008.44 7926.16 Average: 106.93 36.07 70.86 4987.40 21287.77 23:49:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:50:02 95196 1786360 94.94 2620 1162516 1304688 44.53 561400 1039724 32140 23:51:01 120128 1761428 93.62 2620 1107300 1263556 43.12 613564 931220 73796 Average: 107662 1773894 94.28 2620 1134908 1284122 43.82 587482 985472 52968 23:49:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 23:50:02 eth0 773.23 434.63 3837.44 79.12 0.00 0.00 0.00 23:50:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:51:01 eth0 285.37 192.18 382.44 1045.19 0.00 0.00 0.00 23:51:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:51:01 veth32154cd 19.56 33.86 1.73 297.44 0.00 0.00 0.00 23:51:01 docker0 19.56 33.73 1.46 297.43 0.00 0.00 0.00 Average: eth0 531.57 314.53 2125.98 557.67 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth32154cd 9.69 16.77 0.86 147.34 0.00 0.00 0.00 Average: docker0 9.69 16.71 0.72 147.33 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) 08/25/20 _x86_64_ (4 CPU) 23:48:26 LINUX RESTART 23:49:01 CPU %user %nice %system %iowait %steal %idle 23:50:02 all 14.49 0.00 6.57 2.84 13.12 62.98 23:50:02 0 9.31 0.00 6.69 2.34 16.22 65.44 23:50:02 1 17.24 0.00 7.57 4.98 11.44 58.76 23:50:02 2 17.32 0.00 5.93 2.41 12.68 61.66 23:50:02 3 14.36 0.00 6.13 1.70 12.02 65.80 23:51:01 all 14.13 0.00 2.86 0.87 10.22 71.92 23:51:01 0 15.32 0.00 3.85 1.84 11.74 67.24 23:51:01 1 12.07 0.00 3.01 0.52 9.25 75.15 23:51:01 2 8.72 0.00 2.53 0.97 9.57 78.22 23:51:01 3 20.53 0.00 2.07 0.14 10.35 66.91 Average: all 14.31 0.00 4.71 1.85 11.66 67.48 Average: 0 12.28 0.00 5.29 2.10 14.00 66.33 Average: 1 14.60 0.00 5.24 2.70 10.32 67.15 Average: 2 12.94 0.00 4.20 1.68 11.09 70.09 Average: 3 17.42 0.00 4.11 0.92 11.19 66.35