---> uname -a: Linux cf76fc0a3a03 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% /var/log/sa /dev/vda1 50.0G 7.7G 42.3G 15% /w/workspace/edgexfoundry_edgex-docs_PR-140 /dev/vda1 50.0G 7.7G 42.3G 15% /w/workspace/edgexfoundry_edgex-docs_PR-140@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 657 113 0 1066 1075 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) 01:51:33 LINUX RESTART 01:53:03 tps rtps wtps bread/s bwrtn/s 01:54:01 104.47 29.88 74.59 6297.82 22487.21 01:55:01 114.16 52.54 61.62 5392.51 15723.37 Average: 109.39 41.39 68.00 5837.74 19049.82 01:53:03 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:54:01 108880 1772676 94.21 2620 1174412 1264312 43.15 564604 1012536 58128 01:55:01 108988 1772568 94.21 2596 1106148 1538012 52.49 710720 882088 26776 Average: 108934 1772622 94.21 2608 1140280 1401162 47.82 637662 947312 42452 01:53:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 01:54:01 veth413f7ed 16.19 31.89 1.44 283.23 0.00 0.00 0.00 01:54:01 eth0 685.97 468.27 4302.83 92.62 0.00 0.00 0.00 01:54:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 01:54:01 docker0 16.19 31.75 1.22 283.22 0.00 0.00 0.00 01:55:01 eth0 566.79 361.00 2471.53 2184.70 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 docker0 1.11 2.43 0.12 18.98 0.00 0.00 0.00 Average: eth0 504.74 315.63 2750.94 1130.55 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 8.53 16.85 0.66 148.93 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) 01:51:33 LINUX RESTART 01:53:03 CPU %user %nice %system %iowait %steal %idle 01:54:01 all 9.77 0.00 3.68 1.49 13.25 71.81 01:54:01 0 11.48 0.00 2.96 1.00 15.61 68.95 01:54:01 1 8.29 0.00 3.92 1.00 13.08 73.70 01:54:01 2 9.44 0.00 3.68 2.03 12.25 72.61 01:54:01 3 9.94 0.00 4.18 1.92 12.03 71.93 01:55:01 all 13.46 0.00 3.14 1.25 14.03 68.12 01:55:01 0 19.49 0.00 4.52 2.48 15.74 57.77 01:55:01 1 7.24 0.00 1.84 0.57 12.02 78.33 01:55:01 2 11.10 0.00 2.28 1.10 12.80 72.72 01:55:01 3 16.34 0.00 3.96 0.90 15.69 63.11 Average: all 11.65 0.00 3.40 1.37 13.65 69.93 Average: 0 15.50 0.00 3.75 1.74 15.67 63.33 Average: 1 7.76 0.00 2.86 0.78 12.54 76.06 Average: 2 10.28 0.00 2.97 1.56 12.53 72.66 Average: 3 13.25 0.00 4.06 1.39 13.92 67.37