---> uname -a: Linux 7d8c86ca15e9 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: 2933.436 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-169 /dev/vda1 50.0G 7.8G 42.2G 16% /w/workspace/edgexfoundry_edgex-docs_PR-169@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 668 99 0 1069 1065 Swap: 1023 3 1020 ---> 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) 06/17/20 _x86_64_ (4 CPU) 23:11:43 LINUX RESTART 23:12:01 tps rtps wtps bread/s bwrtn/s 23:13:03 244.05 115.29 128.76 13457.05 62743.73 23:14:01 205.72 92.98 112.74 8677.96 27999.78 Average: 225.21 104.32 120.89 11108.15 45667.24 23:12:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:13:03 90324 1791232 95.20 2620 1171824 1250436 42.68 582172 1018060 76024 23:14:01 64240 1817316 96.59 1988 1126404 1544480 52.71 754008 879448 10696 Average: 77282 1804274 95.89 2304 1149114 1397458 47.69 668090 948754 43360 23:12:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 23:13:03 eth0 907.76 647.58 4192.89 97.63 0.00 0.00 0.00 23:13:03 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:13:03 veth1d1666d 16.97 26.83 1.44 225.52 0.00 0.00 0.00 23:13:03 docker0 16.97 26.69 1.21 225.51 0.00 0.00 0.00 23:14:01 eth0 1086.95 711.81 2673.13 2907.27 0.00 0.00 0.00 23:14:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:14:01 docker0 5.51 7.13 0.40 72.38 0.00 0.00 0.00 Average: eth0 995.83 679.15 3445.94 1478.56 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 11.34 17.08 0.81 150.25 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) 06/17/20 _x86_64_ (4 CPU) 23:11:43 LINUX RESTART 23:12:01 CPU %user %nice %system %iowait %steal %idle 23:13:03 all 21.21 0.00 8.99 7.25 2.48 60.06 23:13:03 0 17.30 0.00 8.64 8.31 2.70 63.05 23:13:03 1 26.81 0.00 11.32 6.42 2.19 53.25 23:13:03 2 20.36 0.00 7.67 7.21 2.52 62.24 23:13:03 3 20.36 0.00 8.34 7.07 2.52 61.71 23:14:01 all 18.99 0.00 5.64 3.35 0.57 71.46 23:14:01 0 20.23 0.00 6.99 2.81 0.52 69.46 23:14:01 1 18.90 0.00 5.24 2.83 0.70 72.33 23:14:01 2 24.56 0.00 5.82 3.79 0.49 65.33 23:14:01 3 12.32 0.00 4.52 3.95 0.56 78.65 Average: all 20.12 0.00 7.34 5.33 1.54 65.66 Average: 0 18.74 0.00 7.83 5.61 1.62 66.20 Average: 1 22.92 0.00 8.32 4.65 1.45 62.66 Average: 2 22.42 0.00 6.76 5.54 1.53 63.75 Average: 3 16.40 0.00 6.46 5.53 1.56 70.05