---> uname -a: Linux 126c32850a4f 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% /w/workspace/edgexfoundry_edgex-docs_PR-207 /dev/vda1 50.0G 7.6G 42.4G 15% /w/workspace/edgexfoundry_edgex-docs_PR-207@tmp /dev/vda1 50.0G 7.6G 42.4G 15% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1837 682 101 0 1054 1051 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) 01:52:24 LINUX RESTART 01:53:02 tps rtps wtps bread/s bwrtn/s 01:54:01 144.99 48.06 96.94 7933.99 46483.89 01:55:01 118.49 62.19 56.29 6720.27 8348.18 Average: 131.63 55.18 76.44 7321.99 27254.59 01:53:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:54:01 108020 1773536 94.26 2620 1178372 1303028 44.47 517660 1080976 44 01:55:01 72932 1808624 96.12 2596 1134288 1388348 47.38 669252 947632 101260 Average: 90476 1791080 95.19 2608 1156330 1345688 45.93 593456 1014304 50652 01:53:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 01:54:01 eth0 643.76 542.53 3936.64 86.76 0.00 0.00 0.00 01:54:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:54:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:55:01 eth0 637.92 397.09 2131.57 1533.63 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 23.71 37.11 1.67 293.06 0.00 0.00 0.00 Average: eth0 640.82 469.19 3026.47 816.32 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 11.95 18.71 0.84 147.77 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) 01:52:24 LINUX RESTART 01:53:02 CPU %user %nice %system %iowait %steal %idle 01:54:01 all 17.89 0.00 7.97 3.76 0.86 69.51 01:54:01 0 17.28 0.00 8.35 4.05 1.10 69.21 01:54:01 1 17.81 0.00 7.22 4.54 0.81 69.62 01:54:01 2 18.01 0.00 7.71 2.35 0.76 71.18 01:54:01 3 18.47 0.00 8.62 4.12 0.81 67.98 01:55:01 all 17.93 0.00 4.70 1.96 1.96 73.45 01:55:01 0 19.16 0.00 5.37 3.27 1.66 70.54 01:55:01 1 16.63 0.00 4.10 1.00 2.17 76.09 01:55:01 2 20.39 0.00 4.83 2.11 2.02 70.65 01:55:01 3 15.56 0.00 4.49 1.49 1.98 76.49 Average: all 17.91 0.00 6.31 2.85 1.42 71.51 Average: 0 18.24 0.00 6.84 3.66 1.38 69.88 Average: 1 17.21 0.00 5.64 2.74 1.50 72.91 Average: 2 19.21 0.00 6.26 2.23 1.39 70.91 Average: 3 16.99 0.00 6.52 2.78 1.40 72.31