---> uname -a: Linux e5bc8be9492b 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-193 /dev/vda1 50.0G 7.8G 42.2G 16% /w/workspace/edgexfoundry_edgex-docs_PR-193@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 653 74 0 1109 1080 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) 07/22/20 _x86_64_ (4 CPU) 02:32:43 LINUX RESTART 02:33:01 tps rtps wtps bread/s bwrtn/s 02:34:02 232.87 104.51 128.36 12318.41 61983.57 02:35:01 105.84 26.60 79.24 3957.06 12760.84 Average: 169.90 65.89 104.01 8173.53 37582.91 02:33:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:34:02 143804 1737752 92.36 2620 1120184 1431592 48.86 545656 1016368 48 02:35:01 171952 1709604 90.86 2596 1093156 1114656 38.04 743360 761036 20 Average: 157878 1723678 91.61 2608 1106670 1273124 43.45 644508 888702 34 02:33:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 02:34:02 eth0 979.91 747.32 4058.48 99.22 0.00 0.00 0.00 02:34:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:34:02 docker0 0.00 0.03 0.00 0.00 0.00 0.00 0.00 02:34:02 vetha5bb825 0.00 0.08 0.00 0.01 0.00 0.00 0.00 02:35:01 eth0 964.71 607.53 492.65 2647.58 0.00 0.00 0.00 02:35:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:35:01 docker0 36.89 44.34 2.35 299.09 0.00 0.00 0.00 Average: eth0 972.38 678.03 2290.83 1362.49 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 18.29 22.00 1.16 148.27 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) 07/22/20 _x86_64_ (4 CPU) 02:32:43 LINUX RESTART 02:33:01 CPU %user %nice %system %iowait %steal %idle 02:34:02 all 16.77 0.00 8.79 10.93 0.03 63.48 02:34:02 0 15.08 0.00 8.22 7.28 0.03 69.39 02:34:02 1 15.15 0.00 9.21 10.47 0.03 65.14 02:34:02 2 20.83 0.00 9.80 11.75 0.03 57.58 02:34:02 3 15.98 0.00 7.95 14.17 0.02 61.89 02:35:01 all 17.60 0.00 5.25 1.86 0.03 75.26 02:35:01 0 22.12 0.00 4.51 2.06 0.02 71.30 02:35:01 1 9.10 0.00 4.64 1.28 0.02 84.96 02:35:01 2 26.71 0.00 8.08 2.31 0.03 62.87 02:35:01 3 12.47 0.00 3.75 1.78 0.02 81.98 Average: all 17.18 0.00 7.03 6.42 0.03 69.33 Average: 0 18.59 0.00 6.37 4.67 0.03 70.34 Average: 1 12.15 0.00 6.94 5.92 0.03 74.97 Average: 2 23.75 0.00 8.95 7.06 0.03 60.21 Average: 3 14.24 0.00 5.86 8.02 0.02 71.87