---> uname -a: Linux 564e3fb6bb85 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 7.7G 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-197 /dev/vda1 50.0G 7.7G 42.3G 15% /w/workspace/edgexfoundry_edgex-docs_PR-197@tmp /dev/vda1 50.0G 7.7G 42.3G 15% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1837 660 100 0 1076 1073 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) 01:50:26 LINUX RESTART 01:51:02 tps rtps wtps bread/s bwrtn/s 01:52:01 124.40 48.51 75.89 9006.43 24038.17 01:53:01 197.55 113.79 83.76 8667.29 24255.39 Average: 161.28 81.43 79.86 8835.44 24147.69 01:51:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:52:01 128404 1753152 93.18 2620 1184272 1214668 41.45 529112 1047288 408 01:53:01 71076 1810480 96.22 2428 1124632 1517508 51.79 689792 925364 88524 Average: 99740 1781816 94.70 2524 1154452 1366088 46.62 609452 986326 44466 01:51:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 01:52:01 eth0 905.19 689.63 3970.36 107.91 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 veth4674433 0.00 0.10 0.00 0.01 0.00 0.00 0.00 01:52:01 docker0 0.00 0.05 0.00 0.00 0.00 0.00 0.00 01:53:01 eth0 822.05 498.40 2764.64 1984.43 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 24.46 37.97 1.70 293.29 0.00 0.00 0.00 Average: eth0 863.27 593.21 3362.44 1054.04 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 12.33 19.17 0.86 147.87 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) 01:50:26 LINUX RESTART 01:51:02 CPU %user %nice %system %iowait %steal %idle 01:52:01 all 16.36 0.00 6.25 3.18 0.09 74.13 01:52:01 0 13.85 0.00 6.11 2.86 0.07 77.11 01:52:01 1 15.95 0.00 6.44 2.45 0.10 75.06 01:52:01 2 17.26 0.00 5.72 3.75 0.09 73.18 01:52:01 3 18.36 0.00 6.70 3.66 0.07 71.21 01:53:01 all 19.50 0.00 6.37 2.42 0.05 71.66 01:53:01 0 21.93 0.00 5.97 3.20 0.05 68.85 01:53:01 1 12.68 0.00 5.73 2.09 0.07 79.44 01:53:01 2 23.29 0.00 6.26 2.49 0.03 67.94 01:53:01 3 20.14 0.00 7.51 1.90 0.07 70.37 Average: all 17.95 0.00 6.31 2.80 0.07 72.88 Average: 0 17.94 0.00 6.04 3.04 0.06 72.93 Average: 1 14.30 0.00 6.08 2.27 0.08 77.27 Average: 2 20.29 0.00 5.99 3.11 0.06 70.54 Average: 3 19.26 0.00 7.11 2.78 0.07 70.79