---> uname -a: Linux d19b974066d1 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-193@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-193 ---> free -m: total used free shared buff/cache available Mem: 1837 670 103 0 1063 1063 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) 08/13/20 _x86_64_ (4 CPU) 01:50:30 LINUX RESTART 01:51:01 tps rtps wtps bread/s bwrtn/s 01:52:01 181.25 70.04 111.21 9517.75 58308.83 01:53:01 124.35 51.17 73.18 5435.53 18097.39 Average: 152.79 60.60 92.18 7475.62 38193.08 01:51:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:52:01 152868 1728688 91.88 2620 1120220 1225816 41.83 537492 1016300 428 01:53:01 67252 1814304 96.43 2596 1117792 1518772 51.83 727252 894840 84856 Average: 110060 1771496 94.15 2608 1119006 1372294 46.83 632372 955570 42642 01:51:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 01:52:01 veth1131350 0.00 0.08 0.00 0.01 0.00 0.00 0.00 01:52:01 eth0 979.74 737.18 3905.08 108.28 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 0.00 0.03 0.00 0.00 0.00 0.00 0.00 01:53:01 eth0 815.79 503.72 2758.46 1954.53 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 23.10 37.63 1.61 293.02 0.00 0.00 0.00 Average: eth0 884.25 613.86 3310.08 1031.23 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 11.56 18.84 0.81 146.58 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) 08/13/20 _x86_64_ (4 CPU) 01:50:30 LINUX RESTART 01:51:01 CPU %user %nice %system %iowait %steal %idle 01:52:01 all 18.62 0.00 10.17 5.16 1.05 65.01 01:52:01 0 18.55 0.00 12.93 6.24 1.01 61.27 01:52:01 1 17.25 0.00 8.68 4.35 1.02 68.70 01:52:01 2 21.66 0.00 8.83 4.79 1.10 63.62 01:52:01 3 16.99 0.00 10.29 5.27 1.06 66.39 01:53:01 all 19.61 0.00 5.89 1.39 0.42 72.70 01:53:01 0 15.32 0.00 6.12 0.87 0.48 77.20 01:53:01 1 21.27 0.00 6.05 1.92 0.36 70.41 01:53:01 2 15.52 0.00 5.06 2.51 0.40 76.49 01:53:01 3 26.31 0.00 6.36 0.26 0.44 66.63 Average: all 19.11 0.00 8.02 3.27 0.74 68.87 Average: 0 16.93 0.00 9.50 3.54 0.74 69.29 Average: 1 19.26 0.00 7.37 3.13 0.69 69.56 Average: 2 18.58 0.00 6.94 3.65 0.75 70.07 Average: 3 21.66 0.00 8.32 2.76 0.75 66.51