---> uname -a: Linux 0d331421a31a 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 7.6G 42.4G 15% / 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 7.6G 42.4G 15% /etc/resolv.conf /dev/vda1 50.0G 7.6G 42.4G 15% /etc/hostname /dev/vda1 50.0G 7.6G 42.4G 15% /etc/hosts /dev/vda1 50.0G 7.6G 42.4G 15% /var/log/sa /dev/vda1 50.0G 7.6G 42.4G 15% /w/workspace/edgexfoundry_edgex-docs_PR-140 /dev/vda1 50.0G 7.6G 42.4G 15% /w/workspace/edgexfoundry_edgex-docs_PR-140@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 670 114 0 1051 1062 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) 08/25/20 _x86_64_ (4 CPU) 01:50:35 LINUX RESTART 01:52:01 tps rtps wtps bread/s bwrtn/s 01:53:01 89.72 30.02 59.70 6276.74 21289.88 01:54:01 108.89 48.63 60.26 5395.37 14960.68 Average: 99.30 39.32 59.98 5836.09 18125.54 01:52:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:53:01 102976 1778580 94.53 2620 1134416 1250192 42.67 604564 987236 50328 01:54:01 90644 1790912 95.18 2596 1111140 1506692 51.42 708608 902296 39732 Average: 96810 1784746 94.85 2608 1122778 1378442 47.04 656586 944766 45030 01:52:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 01:53:01 eth0 443.23 338.72 2293.89 48.19 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 veth34cbd0a 18.47 30.87 1.54 223.30 0.00 0.00 0.00 01:53:01 docker0 18.47 30.73 1.29 223.29 0.00 0.00 0.00 01:54:01 eth0 626.36 374.79 2504.44 1529.40 0.00 0.00 0.00 01:54:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:54:01 docker0 5.76 9.92 0.41 70.29 0.00 0.00 0.00 Average: eth0 534.79 356.75 2399.16 788.73 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 12.11 20.33 0.85 146.80 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) 08/25/20 _x86_64_ (4 CPU) 01:50:35 LINUX RESTART 01:52:01 CPU %user %nice %system %iowait %steal %idle 01:53:01 all 8.27 0.00 3.27 1.19 0.02 87.24 01:53:01 0 7.60 0.00 3.02 1.84 0.00 87.55 01:53:01 1 5.84 0.00 2.43 0.54 0.03 91.16 01:53:01 2 14.10 0.00 4.70 1.56 0.02 79.62 01:53:01 3 5.55 0.00 2.92 0.84 0.03 90.67 01:54:01 all 12.58 0.00 3.91 1.37 0.03 82.11 01:54:01 0 7.90 0.00 3.82 1.13 0.03 87.11 01:54:01 1 17.71 0.00 4.01 0.32 0.02 77.94 01:54:01 2 18.25 0.00 4.85 3.04 0.03 73.82 01:54:01 3 6.39 0.00 2.96 0.99 0.02 89.64 Average: all 10.42 0.00 3.59 1.28 0.03 84.68 Average: 0 7.75 0.00 3.42 1.49 0.02 87.33 Average: 1 11.77 0.00 3.22 0.43 0.03 84.56 Average: 2 16.17 0.00 4.78 2.30 0.03 76.73 Average: 3 5.97 0.00 2.94 0.92 0.03 90.15