---> uname -a: Linux f785cdc3726c 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-170 /dev/vda1 50.0G 7.8G 42.2G 16% /w/workspace/edgexfoundry_edgex-docs_PR-170@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 648 105 0 1083 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) 06/21/20 _x86_64_ (4 CPU) 22:13:08 LINUX RESTART 22:14:02 tps rtps wtps bread/s bwrtn/s 22:15:01 128.46 35.38 93.08 7051.91 27370.29 22:16:01 79.24 16.95 62.29 2921.49 10537.96 Average: 103.64 26.09 77.55 4969.03 18882.12 22:14:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:15:01 198104 1683452 89.47 2620 1078196 1224624 41.79 539332 941724 46620 22:16:01 80716 1800840 95.71 2596 1138036 1424428 48.61 794052 793656 116 Average: 139410 1742146 92.59 2608 1108116 1324526 45.20 666692 867690 23368 22:14:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 22:15:01 veth9b391cd 13.01 25.03 1.22 226.87 0.00 0.00 0.00 22:15:01 eth0 930.27 569.12 4336.01 95.97 0.00 0.00 0.00 22:15:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 22:15:01 docker0 13.01 24.89 1.04 226.85 0.00 0.00 0.00 22:16:01 veth9b391cd 5.17 8.80 0.44 69.75 0.00 0.00 0.00 22:16:01 eth0 674.87 420.08 241.10 2808.99 0.00 0.00 0.00 22:16:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:16:01 docker0 5.17 8.80 0.37 69.75 0.00 0.00 0.00 Average: veth9b391cd 9.06 16.84 0.83 147.63 0.00 0.00 0.00 Average: eth0 801.48 493.96 2271.03 1464.09 0.00 0.00 0.00 Average: lo 0.06 0.06 0.00 0.00 0.00 0.00 0.00 Average: docker0 9.06 16.78 0.70 147.63 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) 06/21/20 _x86_64_ (4 CPU) 22:13:08 LINUX RESTART 22:14:02 CPU %user %nice %system %iowait %steal %idle 22:15:01 all 10.06 0.00 3.56 2.61 9.51 74.26 22:15:01 0 17.24 0.00 5.31 6.75 10.22 60.47 22:15:01 1 10.56 0.00 4.00 1.93 9.95 73.56 22:15:01 2 7.60 0.00 2.59 0.27 8.77 80.77 22:15:01 3 5.15 0.00 2.41 1.62 9.13 81.68 22:16:01 all 12.86 0.00 2.87 1.03 16.30 66.93 22:16:01 0 7.94 0.00 2.13 1.31 19.43 69.20 22:16:01 1 24.53 0.00 3.10 2.07 16.69 53.60 22:16:01 2 10.22 0.00 3.89 0.49 15.69 69.70 22:16:01 3 9.29 0.00 2.35 0.27 13.38 74.71 Average: all 11.51 0.00 3.20 1.79 13.02 70.48 Average: 0 12.33 0.00 3.63 3.88 15.08 65.08 Average: 1 17.68 0.00 3.54 2.00 13.39 63.39 Average: 2 8.95 0.00 3.26 0.38 12.34 75.06 Average: 3 7.27 0.00 2.38 0.93 11.31 78.11