---> uname -a: Linux 99d79390dbd2 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 7.8G 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-167 /dev/vda1 50.0G 7.8G 42.2G 16% /w/workspace/edgexfoundry_edgex-docs_PR-167@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 645 95 0 1096 1089 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) 06/17/20 _x86_64_ (4 CPU) 22:03:43 LINUX RESTART 22:04:01 tps rtps wtps bread/s bwrtn/s 22:05:02 194.86 68.75 126.10 9655.97 62727.98 22:06:02 153.94 63.65 90.29 7748.09 20990.59 Average: 174.53 66.22 108.31 8708.26 41995.66 22:04:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:05:02 87080 1794476 95.37 2620 1198904 1229492 41.96 553976 1053024 58336 22:06:02 81268 1800288 95.68 2120 1129036 1527228 52.12 733688 869132 96268 Average: 84174 1797382 95.53 2370 1163970 1378360 47.04 643832 961078 77302 22:04:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 22:05:02 veth7e16c63 27.07 37.16 2.08 209.01 0.00 0.00 0.00 22:05:02 eth0 1387.91 995.71 4255.85 127.50 0.00 0.00 0.00 22:05:02 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 22:05:02 docker0 27.07 37.04 1.71 209.00 0.00 0.00 0.00 22:06:02 eth0 1046.57 685.24 2635.82 2869.72 0.00 0.00 0.00 22:06:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:06:02 docker0 13.39 17.88 0.84 86.83 0.00 0.00 0.00 Average: eth0 1206.22 832.13 3430.54 1488.81 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 20.27 27.52 1.28 148.31 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) 06/17/20 _x86_64_ (4 CPU) 22:03:43 LINUX RESTART 22:04:01 CPU %user %nice %system %iowait %steal %idle 22:05:02 all 16.22 0.00 6.87 9.92 0.01 66.98 22:05:02 0 16.24 0.00 7.22 9.20 0.02 67.32 22:05:02 1 13.38 0.00 6.45 9.50 0.00 70.67 22:05:02 2 19.44 0.00 7.56 8.45 0.02 64.53 22:05:02 3 15.81 0.00 6.24 12.55 0.00 65.40 22:06:02 all 18.44 0.00 5.31 2.83 0.01 73.42 22:06:02 0 16.55 0.00 6.71 2.52 0.00 74.22 22:06:02 1 14.38 0.00 5.80 1.62 0.02 78.19 22:06:02 2 29.67 0.00 4.43 4.46 0.00 61.44 22:06:02 3 13.08 0.00 4.30 2.70 0.02 79.90 Average: all 17.32 0.00 6.09 6.39 0.01 70.18 Average: 0 16.39 0.00 6.96 5.87 0.01 70.77 Average: 1 13.87 0.00 6.13 5.59 0.01 74.40 Average: 2 24.52 0.00 6.01 6.47 0.01 62.99 Average: 3 14.45 0.00 5.28 7.65 0.01 72.61