---> uname -a: Linux eb057a7f772e 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 7.7G 42.3G 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 7.7G 42.3G 15% /etc/resolv.conf /dev/vda1 50.0G 7.7G 42.3G 15% /etc/hostname /dev/vda1 50.0G 7.7G 42.3G 15% /etc/hosts /dev/vda1 50.0G 7.7G 42.3G 15% /w/workspace/edgexfoundry_edgex-docs_PR-196@tmp /dev/vda1 50.0G 7.7G 42.3G 15% /var/log/sa /dev/vda1 50.0G 7.7G 42.3G 15% /w/workspace/edgexfoundry_edgex-docs_PR-196 ---> free -m: total used free shared buff/cache available Mem: 1837 664 101 0 1071 1069 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) 08/23/20 _x86_64_ (4 CPU) 01:50:25 LINUX RESTART 01:51:02 tps rtps wtps bread/s bwrtn/s 01:52:01 166.68 64.27 102.40 9493.45 44404.01 01:53:01 219.54 115.03 104.51 8601.46 28999.08 Average: 193.33 89.86 103.47 9043.75 36637.56 01:51:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:52:01 85196 1796360 95.47 2620 1172240 1249100 42.63 575344 1042856 12456 01:53:01 107228 1774328 94.30 2528 1110468 1292208 44.10 611680 958016 8 Average: 96212 1785344 94.89 2574 1141354 1270654 43.37 593512 1000436 6232 01:51:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 01:52:01 veth3c021f6 7.85 12.46 0.55 107.63 0.00 0.00 0.00 01:52:01 eth0 957.20 648.33 4109.95 105.25 0.00 0.00 0.00 01:52:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 01:52:01 docker0 7.85 12.35 0.44 107.62 0.00 0.00 0.00 01:53:01 eth0 792.69 487.53 2662.03 1992.50 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 docker0 17.79 25.93 1.35 187.63 0.00 0.00 0.00 Average: eth0 865.00 562.92 3358.88 1056.27 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 12.86 19.20 0.90 147.96 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) 08/23/20 _x86_64_ (4 CPU) 01:50:25 LINUX RESTART 01:51:02 CPU %user %nice %system %iowait %steal %idle 01:52:01 all 17.49 0.00 7.96 3.48 0.11 70.96 01:52:01 0 14.15 0.00 9.53 5.14 0.10 71.08 01:52:01 1 20.26 0.00 6.17 2.57 0.09 70.91 01:52:01 2 20.74 0.00 9.34 2.63 0.15 67.13 01:52:01 3 14.76 0.00 6.80 3.59 0.10 74.75 01:53:01 all 19.27 0.00 6.79 2.57 0.05 71.32 01:53:01 0 13.20 0.00 7.14 2.91 0.03 76.72 01:53:01 1 15.18 0.00 6.53 2.25 0.05 76.00 01:53:01 2 32.46 0.00 7.30 2.56 0.03 57.64 01:53:01 3 16.16 0.00 6.23 2.58 0.03 75.00 Average: all 18.39 0.00 7.37 3.02 0.08 71.14 Average: 0 13.67 0.00 8.32 4.01 0.07 73.93 Average: 1 17.70 0.00 6.36 2.41 0.07 73.47 Average: 2 26.65 0.00 8.31 2.60 0.09 62.35 Average: 3 15.47 0.00 6.51 3.08 0.07 74.87