---> uname -a: Linux d236044889dd 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-201 /dev/vda1 50.0G 7.7G 42.3G 15% /w/workspace/edgexfoundry_edgex-docs_PR-201@tmp /dev/vda1 50.0G 7.7G 42.3G 15% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1837 654 76 0 1106 1079 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) 08/05/20 _x86_64_ (4 CPU) 01:49:20 LINUX RESTART 01:50:02 tps rtps wtps bread/s bwrtn/s 01:51:01 125.89 41.34 84.55 7504.66 25176.64 01:52:01 53.38 9.19 44.19 946.43 9040.76 Average: 89.36 25.14 64.22 4200.55 17047.21 01:50:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:51:01 70300 1811256 96.26 2620 1172044 1279848 43.68 578544 1047392 36484 01:52:01 131896 1749660 92.99 2620 1118984 1232236 42.05 676828 862024 7788 Average: 101098 1780458 94.63 2620 1145514 1256042 42.87 627686 954708 22136 01:50:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 01:51:01 veth65a1766 22.28 35.06 1.72 205.12 0.00 0.00 0.00 01:51:01 eth0 656.48 398.87 4140.05 84.78 0.00 0.00 0.00 01:51:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 01:51:01 docker0 22.28 34.93 1.41 205.11 0.00 0.00 0.00 01:52:01 veth65a1766 8.78 13.45 0.75 91.85 0.00 0.00 0.00 01:52:01 eth0 489.49 335.39 233.39 2270.80 0.00 0.00 0.00 01:52:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:52:01 docker0 8.78 13.45 0.63 91.85 0.00 0.00 0.00 Average: veth65a1766 15.48 24.17 1.23 148.05 0.00 0.00 0.00 Average: eth0 572.35 366.89 2171.83 1186.12 0.00 0.00 0.00 Average: lo 0.06 0.06 0.00 0.00 0.00 0.00 0.00 Average: docker0 15.48 24.11 1.02 148.05 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) 08/05/20 _x86_64_ (4 CPU) 01:49:20 LINUX RESTART 01:50:02 CPU %user %nice %system %iowait %steal %idle 01:51:01 all 14.05 0.00 5.84 3.07 17.72 59.32 01:51:01 0 11.98 0.00 5.03 0.92 19.47 62.61 01:51:01 1 13.47 0.00 6.13 2.92 17.94 59.54 01:51:01 2 12.08 0.00 5.24 3.17 17.54 61.97 01:51:01 3 18.78 0.00 7.01 5.32 15.91 52.99 01:52:01 all 14.26 0.00 2.59 0.36 13.64 69.14 01:52:01 0 15.83 0.00 2.57 0.18 19.40 62.02 01:52:01 1 8.65 0.00 1.53 0.29 13.12 76.41 01:52:01 2 9.93 0.00 1.85 0.15 10.66 77.41 01:52:01 3 23.13 0.00 4.47 0.88 11.22 60.30 Average: all 14.16 0.00 4.18 1.69 15.64 64.33 Average: 0 13.96 0.00 3.76 0.54 19.44 62.30 Average: 1 11.00 0.00 3.78 1.57 15.47 68.18 Average: 2 10.99 0.00 3.52 1.64 14.05 69.80 Average: 3 20.98 0.00 5.72 3.08 13.54 56.69