---> uname -a: Linux 971a10f3fac8 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-197 /dev/vda1 50.0G 7.6G 42.4G 15% /w/workspace/edgexfoundry_edgex-docs_PR-197@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 675 108 0 1053 1057 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) 09/01/20 _x86_64_ (4 CPU) 01:52:29 LINUX RESTART 01:53:02 tps rtps wtps bread/s bwrtn/s 01:54:01 123.30 67.71 55.59 5505.09 38964.94 01:55:01 106.91 30.12 76.79 6266.98 20350.23 Average: 115.03 48.75 66.28 5889.38 29575.70 01:53:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:54:01 65968 1815588 96.49 2620 1284948 1106380 37.76 478944 1181052 100684 01:55:01 103032 1778524 94.52 2620 1088460 1327252 45.30 597696 969056 88808 Average: 84500 1797056 95.51 2620 1186704 1216816 41.53 538320 1075054 94746 01:53:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 01:54:01 eth0 354.61 248.49 2525.07 48.02 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 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:55:01 veth7b1a500 25.23 45.90 2.07 293.39 0.00 0.00 0.00 01:55:01 eth0 643.04 437.34 4224.67 117.69 0.00 0.00 0.00 01:55:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 01:55:01 docker0 25.23 45.76 1.73 293.38 0.00 0.00 0.00 Average: veth7b1a500 12.73 23.15 1.05 147.99 0.00 0.00 0.00 Average: eth0 324.35 220.59 2130.92 59.36 0.00 0.00 0.00 Average: lo 0.06 0.06 0.00 0.00 0.00 0.00 0.00 Average: docker0 12.73 23.08 0.87 147.98 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) 09/01/20 _x86_64_ (4 CPU) 01:52:29 LINUX RESTART 01:53:02 CPU %user %nice %system %iowait %steal %idle 01:54:01 all 13.41 0.00 6.73 6.49 17.62 55.75 01:54:01 0 10.33 0.00 7.44 5.54 20.24 56.45 01:54:01 1 12.98 0.00 6.70 7.50 17.97 54.85 01:54:01 2 17.63 0.00 7.16 5.99 14.08 55.15 01:54:01 3 12.80 0.00 5.63 6.94 18.11 56.53 01:55:01 all 11.38 0.00 3.41 1.98 9.09 74.15 01:55:01 0 9.26 0.00 3.44 0.79 10.27 76.23 01:55:01 1 7.21 0.00 2.25 1.91 9.12 79.50 01:55:01 2 8.56 0.00 2.98 2.04 9.05 77.38 01:55:01 3 20.75 0.00 5.05 3.20 7.86 63.15 Average: all 12.39 0.00 5.06 4.22 13.32 65.01 Average: 0 9.80 0.00 5.44 3.17 15.26 66.34 Average: 1 10.06 0.00 4.45 4.67 13.50 67.32 Average: 2 13.01 0.00 5.03 3.98 11.52 66.46 Average: 3 16.77 0.00 5.34 5.07 12.99 59.84