---> uname -a: Linux a381358b667d 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: 2933.442 BogoMIPS: 5866.88 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 649 106 0 1082 1084 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) 01:53:28 LINUX RESTART 01:54:02 tps rtps wtps bread/s bwrtn/s 01:55:01 181.80 64.26 117.54 9393.64 58403.28 01:56:01 215.91 108.29 107.62 8642.34 27826.55 Average: 198.99 86.45 112.54 9014.97 42991.79 01:54:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:55:01 88956 1792600 95.27 2620 1208516 1244208 42.46 560400 1045528 36636 01:56:01 188848 1692708 89.96 2596 1074320 1201524 41.01 562152 924904 36 Average: 138902 1742654 92.62 2608 1141418 1222866 41.73 561276 985216 18336 01:54:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 01:55:01 eth0 669.94 505.41 4134.32 90.94 0.00 0.00 0.00 01:55:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:55:01 vethe265cc4 14.56 24.75 1.21 204.91 0.00 0.00 0.00 01:55:01 docker0 14.56 24.63 1.01 204.90 0.00 0.00 0.00 01:56:01 eth0 630.76 399.62 2536.52 1527.61 0.00 0.00 0.00 01:56:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:56:01 vethef7eb14 0.00 0.02 0.00 0.00 0.00 0.00 0.00 01:56:01 docker0 9.22 15.36 0.65 92.49 0.00 0.00 0.00 Average: eth0 650.19 452.09 3328.98 815.06 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: vethef7eb14 0.00 0.01 0.00 0.00 0.00 0.00 0.00 Average: docker0 11.87 19.96 0.83 148.24 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) 01:53:28 LINUX RESTART 01:54:02 CPU %user %nice %system %iowait %steal %idle 01:55:01 all 20.25 0.00 10.50 5.19 2.06 62.00 01:55:01 0 18.74 0.00 10.29 3.78 2.14 65.05 01:55:01 1 22.57 0.00 12.95 7.42 1.96 55.10 01:55:01 2 21.44 0.00 9.21 5.64 2.14 61.57 01:55:01 3 18.20 0.00 9.58 3.93 1.97 66.32 01:56:01 all 18.61 0.00 6.58 2.65 0.23 71.93 01:56:01 0 19.44 0.00 6.49 2.58 0.21 71.29 01:56:01 1 11.89 0.00 5.85 2.39 0.27 79.59 01:56:01 2 12.53 0.00 5.46 2.97 0.29 78.75 01:56:01 3 30.67 0.00 8.53 2.65 0.15 58.00 Average: all 19.42 0.00 8.53 3.91 1.14 67.00 Average: 0 19.09 0.00 8.37 3.18 1.16 68.20 Average: 1 17.19 0.00 9.37 4.89 1.11 67.43 Average: 2 16.96 0.00 7.32 4.30 1.21 70.21 Average: 3 24.48 0.00 9.05 3.29 1.06 62.13