---> uname -a: Linux ef6eb0a506c1 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 7.8G 42.2G 16% / 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 7.8G 42.2G 16% /etc/resolv.conf /dev/vda1 50.0G 7.8G 42.2G 16% /etc/hostname /dev/vda1 50.0G 7.8G 42.2G 16% /etc/hosts /dev/vda1 50.0G 7.8G 42.2G 16% /w/workspace/edgexfoundry_edgex-docs_PR-163@tmp /dev/vda1 50.0G 7.8G 42.2G 16% /var/log/sa /dev/vda1 50.0G 7.8G 42.2G 16% /w/workspace/edgexfoundry_edgex-docs_PR-163 ---> free -m: total used free shared buff/cache available Mem: 1837 606 103 0 1127 1127 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) 06/09/20 _x86_64_ (4 CPU) 01:47:46 LINUX RESTART 01:49:01 tps rtps wtps bread/s bwrtn/s 01:50:01 151.39 38.96 112.43 7009.03 18627.11 01:51:02 101.14 52.56 48.58 6374.18 16505.69 Average: 126.23 45.77 80.46 6691.16 17564.91 01:49:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:50:01 149656 1731900 92.05 2620 1056948 1251340 42.71 582492 915384 948 01:51:02 72176 1809380 96.16 2536 1182240 1529680 52.21 736468 881380 73108 Average: 110916 1770640 94.11 2578 1119594 1390510 47.46 659480 898382 37028 01:49:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 01:50:01 eth0 182.55 92.15 1329.54 35.95 0.00 0.00 0.00 01:50:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:50:01 veth5598d17 14.44 29.30 1.37 291.90 0.00 0.00 0.00 01:50:01 docker0 14.44 29.17 1.17 291.89 0.00 0.00 0.00 01:51:02 eth0 742.16 440.14 2472.51 2770.14 0.00 0.00 0.00 01:51:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:51:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 462.75 266.39 1901.83 1404.97 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 7.21 14.56 0.59 145.74 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) 06/09/20 _x86_64_ (4 CPU) 01:47:46 LINUX RESTART 01:49:01 CPU %user %nice %system %iowait %steal %idle 01:50:01 all 11.83 0.00 4.73 2.41 7.26 73.77 01:50:01 0 11.71 0.00 5.42 2.56 7.16 73.15 01:50:01 1 14.80 0.00 4.20 1.85 6.45 72.70 01:50:01 2 11.78 0.00 4.52 3.75 7.83 72.11 01:50:01 3 9.05 0.00 4.80 1.50 7.57 77.08 01:51:02 all 11.22 0.00 2.80 1.91 19.84 64.22 01:51:02 0 9.97 0.00 2.50 0.45 22.49 64.60 01:51:02 1 6.60 0.00 2.21 2.07 17.94 71.18 01:51:02 2 14.80 0.00 3.49 0.62 18.83 62.26 01:51:02 3 13.64 0.00 3.00 4.55 20.15 58.67 Average: all 11.52 0.00 3.74 2.15 13.72 68.86 Average: 0 10.81 0.00 3.92 1.47 15.05 68.75 Average: 1 10.55 0.00 3.16 1.96 12.41 71.91 Average: 2 13.33 0.00 3.99 2.15 13.47 67.06 Average: 3 11.39 0.00 3.88 3.05 13.98 67.70