---> uname -a: Linux 8a76defefc25 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-163 /dev/vda1 50.0G 7.8G 42.2G 16% /w/workspace/edgexfoundry_edgex-docs_PR-163@tmp /dev/vda1 50.0G 7.8G 42.2G 16% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1837 648 103 0 1085 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) 06/30/20 _x86_64_ (4 CPU) 13:50:58 LINUX RESTART 13:52:02 tps rtps wtps bread/s bwrtn/s 13:53:01 119.93 38.57 81.37 7564.79 27512.82 13:54:01 76.04 14.84 61.20 2936.69 8734.42 Average: 97.80 26.60 71.20 5231.20 18044.34 13:52:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:53:01 73416 1808140 96.10 2620 1207068 1271084 43.38 569036 1057088 40204 13:54:01 83132 1798424 95.58 2620 1163768 1253400 42.78 654804 929916 95728 Average: 78274 1803282 95.84 2620 1185418 1262242 43.08 611920 993502 67966 13:52:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 13:53:01 eth0 680.64 539.63 3917.81 93.74 0.00 0.00 0.00 13:53:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:53:01 vethae2b025 8.50 25.21 0.69 155.05 0.00 0.00 0.00 13:53:01 docker0 8.50 25.09 0.57 155.04 0.00 0.00 0.00 13:54:01 eth0 244.02 151.12 215.97 782.43 0.00 0.00 0.00 13:54:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:54:01 vethae2b025 13.07 25.90 1.20 145.99 0.00 0.00 0.00 13:54:01 docker0 13.07 25.88 1.02 145.98 0.00 0.00 0.00 Average: eth0 460.49 343.73 2051.26 440.99 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: vethae2b025 10.80 25.56 0.95 150.48 0.00 0.00 0.00 Average: docker0 10.80 25.49 0.80 150.47 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) 06/30/20 _x86_64_ (4 CPU) 13:50:58 LINUX RESTART 13:52:02 CPU %user %nice %system %iowait %steal %idle 13:53:01 all 12.55 0.00 4.88 2.18 21.95 58.44 13:53:01 0 13.70 0.00 6.06 4.07 23.54 52.63 13:53:01 1 11.85 0.00 4.71 1.59 21.42 60.43 13:53:01 2 11.55 0.00 3.97 1.07 20.40 63.01 13:53:01 3 13.13 0.00 4.78 2.04 22.47 57.58 13:54:01 all 13.61 0.00 3.71 1.18 11.32 70.18 13:54:01 0 16.86 0.00 4.21 1.32 10.91 66.70 13:54:01 1 15.18 0.00 5.05 1.21 10.91 67.65 13:54:01 2 14.06 0.00 2.68 1.72 12.07 69.47 13:54:01 3 8.44 0.00 2.94 0.47 11.41 76.74 Average: all 13.08 0.00 4.29 1.68 16.62 64.32 Average: 0 15.28 0.00 5.14 2.69 17.24 59.65 Average: 1 13.51 0.00 4.88 1.40 16.18 64.03 Average: 2 12.81 0.00 3.32 1.40 16.21 66.26 Average: 3 10.76 0.00 3.85 1.25 16.89 67.25