---> uname -a: Linux 607d09299b2a 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-177 /dev/vda1 50.0G 7.8G 42.2G 16% /w/workspace/edgexfoundry_edgex-docs_PR-177@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 637 105 0 1094 1096 Swap: 1023 2 1021 ---> 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) 06/29/20 _x86_64_ (4 CPU) 18:59:55 LINUX RESTART 19:01:02 tps rtps wtps bread/s bwrtn/s 19:02:01 136.35 38.14 98.21 7238.58 28253.65 19:03:01 111.46 60.10 51.36 6611.51 9140.40 Average: 123.80 49.21 74.59 6922.42 18616.85 19:01:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:02:01 104364 1777192 94.45 2620 1125832 1257984 42.93 586652 973788 51740 19:03:01 74744 1806812 96.03 2596 1210736 1154780 39.41 753840 876432 72 Average: 89554 1792002 95.24 2608 1168284 1206382 41.17 670246 925110 25906 19:01:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 19:02:01 eth0 467.72 338.51 2558.44 59.59 0.00 0.00 0.00 19:02:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:02:01 vethdadea01 25.47 48.14 2.19 299.17 0.00 0.00 0.00 19:02:01 docker0 25.47 48.00 1.84 299.15 0.00 0.00 0.00 19:03:01 eth0 813.09 485.89 181.27 2807.78 0.00 0.00 0.00 19:03:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:03:01 docker0 0.10 0.07 0.00 0.01 0.00 0.00 0.00 Average: eth0 641.85 412.82 1359.89 1445.21 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 12.68 23.83 0.92 148.33 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) 06/29/20 _x86_64_ (4 CPU) 18:59:55 LINUX RESTART 19:01:02 CPU %user %nice %system %iowait %steal %idle 19:02:01 all 11.47 0.00 3.94 2.54 5.65 76.39 19:02:01 0 9.37 0.00 3.59 2.62 5.83 78.59 19:02:01 1 12.09 0.00 3.58 2.58 5.83 75.93 19:02:01 2 10.61 0.00 4.54 1.69 6.20 76.95 19:02:01 3 13.87 0.00 4.07 3.31 4.77 73.97 19:03:01 all 13.26 0.00 3.22 2.47 11.18 69.87 19:03:01 0 14.53 0.00 3.71 4.11 11.45 66.20 19:03:01 1 17.33 0.00 3.82 1.69 9.40 67.76 19:03:01 2 9.44 0.00 2.50 3.86 12.28 71.92 19:03:01 3 11.93 0.00 2.89 0.29 11.54 73.35 Average: all 12.39 0.00 3.57 2.51 8.49 73.05 Average: 0 11.97 0.00 3.65 3.37 8.66 72.34 Average: 1 14.75 0.00 3.70 2.13 7.65 71.77 Average: 2 10.01 0.00 3.49 2.80 9.33 74.37 Average: 3 12.86 0.00 3.46 1.74 8.30 73.65