---> uname -a: Linux 4e08041f9efe 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-169 /dev/vda1 50.0G 7.8G 42.2G 16% /w/workspace/edgexfoundry_edgex-docs_PR-169@tmp /dev/vda1 50.0G 7.8G 42.2G 16% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1837 601 98 0 1137 1132 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) 06/18/20 _x86_64_ (4 CPU) 21:07:45 LINUX RESTART 21:09:02 tps rtps wtps bread/s bwrtn/s 21:10:01 121.08 34.25 86.82 6496.75 16927.01 21:11:01 111.02 56.84 54.18 6982.41 15004.41 Average: 116.01 45.64 70.36 6741.68 15957.41 21:09:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:10:01 202344 1679212 89.25 2620 1054744 1201308 41.00 517988 925608 32960 21:11:01 76648 1804908 95.93 2596 1199204 1482072 50.58 735188 893220 43468 Average: 139496 1742060 92.59 2608 1126974 1341690 45.79 626588 909414 38214 21:09:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 21:10:01 eth0 196.19 101.78 1336.77 30.10 0.00 0.00 0.00 21:10:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:10:01 vetha388c9b 18.72 35.30 1.67 299.62 0.00 0.00 0.00 21:10:01 docker0 18.72 35.17 1.42 299.61 0.00 0.00 0.00 21:11:01 eth0 702.08 449.33 2485.19 2798.95 0.00 0.00 0.00 21:11:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:11:01 docker0 0.02 0.02 0.00 0.00 0.00 0.00 0.00 Average: eth0 451.32 277.05 1915.94 1426.48 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 9.29 17.44 0.70 148.51 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) 06/18/20 _x86_64_ (4 CPU) 21:07:45 LINUX RESTART 21:09:02 CPU %user %nice %system %iowait %steal %idle 21:10:01 all 10.30 0.00 4.53 2.33 11.92 70.92 21:10:01 0 14.74 0.00 5.82 4.01 13.21 62.22 21:10:01 1 4.54 0.00 2.78 1.84 11.74 79.09 21:10:01 2 7.36 0.00 3.22 1.40 13.00 75.02 21:10:01 3 14.99 0.00 6.42 2.14 9.67 66.78 21:11:01 all 12.10 0.00 2.67 2.30 17.56 65.37 21:11:01 0 14.69 0.00 2.45 0.93 20.67 61.26 21:11:01 1 11.19 0.00 3.22 5.46 16.50 63.62 21:11:01 2 9.96 0.00 2.61 2.00 16.19 69.24 21:11:01 3 12.64 0.00 2.40 0.71 16.96 67.30 Average: all 11.21 0.00 3.58 2.32 14.79 68.10 Average: 0 14.71 0.00 4.11 2.44 17.01 61.73 Average: 1 7.92 0.00 3.01 3.68 14.16 71.23 Average: 2 8.67 0.00 2.91 1.70 14.61 72.11 Average: 3 13.78 0.00 4.35 1.40 13.42 67.04