---> uname -a: Linux 0e77954e89bd 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-199 /dev/vda1 50.0G 7.8G 42.2G 16% /w/workspace/edgexfoundry_edgex-docs_PR-199@tmp /dev/vda1 50.0G 7.8G 42.2G 16% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1837 610 105 0 1120 1123 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) 07/29/20 _x86_64_ (4 CPU) 01:49:16 LINUX RESTART 01:50:01 tps rtps wtps bread/s bwrtn/s 01:51:01 115.74 35.12 80.62 6676.56 26970.24 01:52:01 74.54 17.14 57.40 2704.96 8695.32 01:53:01 171.97 97.86 74.11 8442.43 24145.64 Average: 120.76 50.05 70.71 5941.91 19938.39 01:50:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:51:01 109276 1772280 94.19 2620 1147160 1921768 65.59 593880 1002336 44 01:52:01 112808 1768748 94.00 2620 1179568 1236832 42.21 572952 980700 109056 01:53:01 138196 1743360 92.66 1724 1143076 1260144 43.01 645948 891280 252 Average: 120093 1761463 93.62 2321 1156601 1472915 50.27 604260 958105 36451 01:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 01:51:01 veth43d17dd 0.00 0.05 0.00 0.00 0.00 0.00 0.00 01:51:01 eth0 710.10 409.15 4061.98 81.47 0.00 0.00 0.00 01:51:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 01:51:01 docker0 0.00 0.03 0.00 0.00 0.00 0.00 0.00 01:52:01 veth43d17dd 22.03 42.51 1.89 293.61 0.00 0.00 0.00 01:52:01 eth0 109.67 77.07 333.73 156.63 0.00 0.00 0.00 01:52:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:52:01 docker0 22.03 42.40 1.58 293.60 0.00 0.00 0.00 01:53:01 veth57dbb72 0.00 0.10 0.00 0.01 0.00 0.00 0.00 01:53:01 eth0 607.17 424.33 2476.47 2706.17 0.00 0.00 0.00 01:53:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:53:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth57dbb72 0.00 0.03 0.00 0.00 0.00 0.00 0.00 Average: eth0 475.69 303.55 2290.87 981.76 0.00 0.00 0.00 Average: lo 0.04 0.04 0.00 0.00 0.00 0.00 0.00 Average: docker0 7.34 14.14 0.53 97.84 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) 07/29/20 _x86_64_ (4 CPU) 01:49:16 LINUX RESTART 01:50:01 CPU %user %nice %system %iowait %steal %idle 01:51:01 all 10.34 0.00 3.97 2.28 15.88 67.52 01:51:01 0 7.62 0.00 3.88 3.14 19.80 65.55 01:51:01 1 12.10 0.00 3.75 1.10 15.55 67.50 01:51:01 2 10.53 0.00 4.00 2.20 15.13 68.15 01:51:01 3 11.14 0.00 4.25 2.69 13.03 68.89 01:52:01 all 12.95 0.00 3.75 1.00 8.03 74.28 01:52:01 0 8.53 0.00 2.34 0.31 9.15 79.68 01:52:01 1 7.66 0.00 2.81 0.25 8.22 81.07 01:52:01 2 26.25 0.00 6.10 1.57 7.00 59.07 01:52:01 3 10.19 0.00 3.95 1.92 7.67 76.28 01:53:01 all 10.31 0.00 3.50 1.95 18.80 65.45 01:53:01 0 13.81 0.00 3.71 3.23 21.31 57.95 01:53:01 1 11.76 0.00 3.44 2.00 19.59 63.22 01:53:01 2 7.25 0.00 2.54 0.72 16.62 72.87 01:53:01 3 8.43 0.00 4.32 1.88 17.70 67.67 Average: all 11.19 0.00 3.74 1.75 14.30 69.03 Average: 0 10.01 0.00 3.31 2.22 16.74 67.72 Average: 1 10.51 0.00 3.33 1.12 14.48 70.56 Average: 2 14.41 0.00 4.16 1.49 13.05 66.89 Average: 3 9.89 0.00 4.18 2.16 12.89 70.89