---> uname -a: Linux d8cd606250f5 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 7.8G 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-145 /dev/vda1 50.0G 7.8G 42.2G 16% /w/workspace/edgexfoundry_edgex-docs_PR-145@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 649 100 0 1088 1085 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) 06/10/20 _x86_64_ (4 CPU) 13:48:34 LINUX RESTART 13:49:01 tps rtps wtps bread/s bwrtn/s 13:50:01 159.61 62.86 96.75 9911.24 29785.92 13:51:01 230.78 118.13 112.65 9523.82 29864.51 Average: 195.20 90.49 104.70 9717.53 29825.21 13:49:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:50:01 89012 1792544 95.27 2620 1162768 1259112 42.97 610748 990784 78700 13:51:01 140720 1740836 92.52 1496 1093348 1316584 44.93 634644 907872 79060 Average: 114866 1766690 93.90 2058 1128058 1287848 43.95 622696 949328 78880 13:49:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 13:50:01 eth0 1171.53 707.64 4267.76 122.65 0.00 0.00 0.00 13:50:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:50:01 vethbd55757 21.39 33.28 1.78 223.48 0.00 0.00 0.00 13:50:01 docker0 21.39 33.14 1.49 223.47 0.00 0.00 0.00 13:51:01 eth0 1080.57 653.35 2589.62 2795.63 0.00 0.00 0.00 13:51:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:51:01 docker0 8.76 12.50 0.58 70.49 0.00 0.00 0.00 Average: eth0 1126.05 680.50 3428.69 1459.14 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 15.07 22.82 1.03 146.98 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) 06/10/20 _x86_64_ (4 CPU) 13:48:34 LINUX RESTART 13:49:01 CPU %user %nice %system %iowait %steal %idle 13:50:01 all 18.65 0.00 6.09 4.36 0.04 70.85 13:50:01 0 16.26 0.00 8.04 3.99 0.03 71.68 13:50:01 1 18.94 0.00 6.11 6.01 0.03 68.91 13:50:01 2 16.01 0.00 4.87 1.83 0.03 77.27 13:50:01 3 23.37 0.00 5.36 5.68 0.03 65.56 13:51:01 all 18.50 0.00 5.88 3.40 0.05 72.16 13:51:01 0 18.10 0.00 7.16 5.29 0.07 69.37 13:51:01 1 8.50 0.00 4.01 2.80 0.05 84.64 13:51:01 2 25.35 0.00 6.88 3.88 0.07 63.83 13:51:01 3 22.06 0.00 5.46 1.63 0.05 70.80 Average: all 18.58 0.00 5.99 3.88 0.05 71.51 Average: 0 17.18 0.00 7.60 4.64 0.05 70.53 Average: 1 13.73 0.00 5.06 4.41 0.04 76.76 Average: 2 20.66 0.00 5.87 2.85 0.05 70.56 Average: 3 22.71 0.00 5.41 3.66 0.04 68.18