---> uname -a: Linux b5d4bc23c4a3 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% /var/log/sa /dev/vda1 50.0G 7.8G 42.2G 16% /w/workspace/edgexfoundry_edgex-docs_PR-176 /dev/vda1 50.0G 7.8G 42.2G 16% /w/workspace/edgexfoundry_edgex-docs_PR-176@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 655 94 0 1087 1078 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) 06/30/20 _x86_64_ (4 CPU) 13:48:32 LINUX RESTART 13:49:02 tps rtps wtps bread/s bwrtn/s 13:50:01 172.67 56.73 115.94 9693.82 31658.72 13:51:01 258.71 143.19 115.53 12030.62 29605.11 Average: 216.05 100.32 115.73 10872.03 30623.30 13:49:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:50:01 84704 1796852 95.50 2620 1133080 1231056 42.01 568760 1000432 71720 13:51:01 154596 1726960 91.78 1732 1098576 1187804 40.54 612268 910248 44 Average: 119650 1761906 93.64 2176 1115828 1209430 41.28 590514 955340 35882 13:49:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 13:50:01 eth0 1184.79 700.81 4412.04 118.98 0.00 0.00 0.00 13:50:01 veth804bbb3 25.45 56.32 2.11 299.40 0.00 0.00 0.00 13:50:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 13:50:01 docker0 25.45 56.19 1.76 299.39 0.00 0.00 0.00 13:51:01 veth4aa1bb5 0.00 0.05 0.00 0.00 0.00 0.00 0.00 13:51:01 eth0 2254.42 1355.27 6899.64 2951.78 0.00 0.00 0.00 13:51:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:51:01 docker0 0.10 0.07 0.00 0.01 0.00 0.00 0.00 Average: veth4aa1bb5 0.00 0.03 0.00 0.00 0.00 0.00 0.00 Average: eth0 1136.67 683.32 3478.77 1488.28 0.00 0.00 0.00 Average: lo 0.06 0.06 0.00 0.00 0.00 0.00 0.00 Average: docker0 12.67 27.89 0.88 148.44 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) 06/30/20 _x86_64_ (4 CPU) 13:48:32 LINUX RESTART 13:49:02 CPU %user %nice %system %iowait %steal %idle 13:50:01 all 21.12 0.00 7.26 4.34 0.02 67.25 13:50:01 0 27.94 0.00 11.05 3.47 0.03 57.51 13:50:01 1 15.82 0.00 5.19 4.25 0.02 74.72 13:50:01 2 19.21 0.00 5.49 3.28 0.02 72.00 13:50:01 3 21.59 0.00 7.34 6.39 0.02 64.66 13:51:01 all 16.34 0.00 6.80 4.52 0.02 72.32 13:51:01 0 16.14 0.00 6.33 3.00 0.02 74.51 13:51:01 1 11.00 0.00 6.69 4.28 0.02 78.01 13:51:01 2 17.58 0.00 6.56 4.28 0.03 71.55 13:51:01 3 20.64 0.00 7.63 6.51 0.03 65.19 Average: all 18.71 0.00 7.03 4.43 0.02 69.80 Average: 0 21.99 0.00 8.67 3.23 0.03 66.08 Average: 1 13.40 0.00 5.95 4.26 0.02 76.37 Average: 2 18.39 0.00 6.03 3.79 0.03 71.77 Average: 3 21.11 0.00 7.49 6.45 0.03 64.93