---> uname -a: Linux 88ac6b44f359 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% /w/workspace/edgexfoundry_edgex-docs_PR-185@tmp /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-185 ---> free -m: total used free shared buff/cache available Mem: 1837 658 92 0 1086 1075 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) 07/16/20 _x86_64_ (4 CPU) 13:49:18 LINUX RESTART 13:50:02 tps rtps wtps bread/s bwrtn/s 13:51:01 131.99 38.49 93.50 7163.01 27365.25 13:52:01 270.18 154.46 115.72 12167.68 30988.40 Average: 201.03 96.43 104.60 9663.23 29175.30 13:50:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:51:01 112848 1768708 94.00 2620 1124968 1233780 42.11 580572 969368 44888 13:52:01 94416 1787140 94.98 1492 1111236 1250260 42.67 692536 890188 212 Average: 103632 1777924 94.49 2056 1118102 1242020 42.39 636554 929778 22550 13:50:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 13:51:01 eth0 523.00 356.97 2162.46 67.41 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 veth01e4f33 82.25 94.50 5.88 281.97 0.00 0.00 0.00 13:51:01 docker0 82.25 94.36 4.75 281.95 0.00 0.00 0.00 13:52:01 vethfb8d7df 0.00 0.08 0.00 0.01 0.00 0.00 0.00 13:52:01 eth0 2393.91 1463.07 7044.05 3020.59 0.00 0.00 0.00 13:52:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 13:52:01 docker0 1.77 2.70 0.15 19.27 0.00 0.00 0.00 Average: vethfb8d7df 0.00 0.04 0.00 0.00 0.00 0.00 0.00 Average: eth0 1195.95 730.92 3519.05 1509.02 0.00 0.00 0.00 Average: lo 0.06 0.06 0.00 0.00 0.00 0.00 0.00 Average: docker0 42.05 48.57 2.45 150.72 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) 07/16/20 _x86_64_ (4 CPU) 13:49:18 LINUX RESTART 13:50:02 CPU %user %nice %system %iowait %steal %idle 13:51:01 all 10.92 0.00 4.07 3.36 0.08 81.57 13:51:01 0 9.95 0.00 3.88 2.66 0.05 83.45 13:51:01 1 12.04 0.00 4.25 4.22 0.07 79.42 13:51:01 2 9.30 0.00 3.83 4.10 0.07 82.70 13:51:01 3 12.40 0.00 4.28 2.44 0.10 80.77 13:52:01 all 18.95 0.00 7.22 3.79 0.12 69.92 13:52:01 0 20.18 0.00 8.32 2.52 0.09 68.89 13:52:01 1 10.18 0.00 5.85 4.02 0.15 79.80 13:52:01 2 25.18 0.00 7.82 4.83 0.10 62.07 13:52:01 3 20.27 0.00 6.93 3.76 0.14 68.90 Average: all 14.92 0.00 5.64 3.57 0.10 75.78 Average: 0 15.04 0.00 6.09 2.59 0.07 76.21 Average: 1 11.12 0.00 5.04 4.12 0.11 79.61 Average: 2 17.21 0.00 5.81 4.46 0.09 72.43 Average: 3 16.31 0.00 5.60 3.10 0.12 74.87