---> uname -a: Linux d7aa2bca54f0 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-176 /dev/vda1 50.0G 7.8G 42.2G 16% /w/workspace/edgexfoundry_edgex-docs_PR-176@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 647 98 0 1091 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) 07/10/20 _x86_64_ (4 CPU) 13:49:25 LINUX RESTART 13:50:02 tps rtps wtps bread/s bwrtn/s 13:51:01 66.04 32.69 33.35 3557.00 15736.11 13:52:01 125.71 36.33 89.39 6782.86 16136.16 13:53:01 122.15 58.21 63.93 8053.74 16448.40 Average: 104.85 42.46 62.39 6145.47 16108.92 13:50:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:51:01 93136 1788420 95.05 2620 1238620 1086988 37.10 507396 1124368 101084 13:52:01 83928 1797628 95.54 2620 1077872 1306164 44.58 575100 970432 79024 13:53:01 71056 1810500 96.22 2136 1137424 1554748 53.06 760176 867260 84684 Average: 82707 1798849 95.60 2459 1151305 1315967 44.91 614224 987353 88264 13:50:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 13:51:01 eth0 614.84 450.05 3046.78 72.44 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 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:52:01 vethf7aff36 17.64 33.01 1.61 292.51 0.00 0.00 0.00 13:52:01 eth0 844.02 556.79 4358.34 130.36 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 17.64 32.87 1.37 292.50 0.00 0.00 0.00 13:53:01 eth0 924.81 552.54 2500.24 2820.62 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 docker0 0.12 0.08 0.00 0.01 0.00 0.00 0.00 Average: eth0 580.41 365.41 2285.26 988.06 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 5.96 11.05 0.46 98.10 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) 07/10/20 _x86_64_ (4 CPU) 13:49:25 LINUX RESTART 13:50:02 CPU %user %nice %system %iowait %steal %idle 13:51:01 all 16.65 0.00 8.21 2.92 32.53 39.69 13:51:01 0 14.51 0.00 8.26 3.19 33.21 40.82 13:51:01 1 16.99 0.00 7.93 2.57 32.83 39.67 13:51:01 2 16.19 0.00 8.04 3.34 32.53 39.89 13:51:01 3 18.99 0.00 8.59 2.53 31.54 38.35 13:52:01 all 11.00 0.00 4.73 2.41 11.66 70.20 13:52:01 0 13.91 0.00 4.47 2.54 11.39 67.69 13:52:01 1 10.05 0.00 5.48 2.27 11.35 70.85 13:52:01 2 16.76 0.00 6.95 2.97 12.56 60.77 13:52:01 3 3.52 0.00 2.14 1.87 11.35 81.12 13:53:01 all 13.10 0.00 3.55 2.22 14.24 66.88 13:53:01 0 13.30 0.00 3.61 3.08 13.68 66.33 13:53:01 1 12.13 0.00 3.07 1.82 14.46 68.52 13:53:01 2 20.52 0.00 4.64 2.37 14.60 57.87 13:53:01 3 6.81 0.00 2.95 1.66 14.24 74.34 Average: all 13.60 0.00 5.50 2.51 19.51 58.88 Average: 0 13.91 0.00 5.47 2.94 19.53 58.15 Average: 1 13.08 0.00 5.48 2.22 19.60 59.62 Average: 2 17.81 0.00 6.56 2.90 20.07 52.67 Average: 3 9.65 0.00 4.50 2.01 18.86 64.99