---> uname -a: Linux 5e151b58ed5c 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-141 /dev/vda1 50.0G 7.8G 42.2G 16% /w/workspace/edgexfoundry_edgex-docs_PR-141@tmp /dev/vda1 50.0G 7.8G 42.2G 16% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1837 646 94 0 1096 1087 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) 13:51:03 LINUX RESTART 13:52:02 tps rtps wtps bread/s bwrtn/s 13:53:01 130.07 43.03 87.04 7773.13 27338.18 13:54:01 68.13 14.47 53.66 2608.20 9103.72 Average: 98.83 28.62 70.20 5168.17 18141.52 13:52:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:53:01 121800 1759756 93.53 2620 1172740 1264696 43.16 544556 1036272 10080 13:54:01 99396 1782160 94.72 2620 1147564 1227668 41.90 621164 945348 95548 Average: 110598 1770958 94.12 2620 1160152 1246182 42.53 582860 990810 52814 13:52:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 13:53:01 eth0 764.49 458.58 4093.18 83.72 0.00 0.00 0.00 13:53:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:53:01 veth7e57750 5.21 15.90 0.38 81.75 0.00 0.00 0.00 13:53:01 docker0 5.21 15.80 0.30 81.74 0.00 0.00 0.00 13:54:01 eth0 138.35 87.53 259.13 311.39 0.00 0.00 0.00 13:54:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:54:01 veth7e57750 17.92 41.09 1.57 214.46 0.00 0.00 0.00 13:54:01 docker0 17.92 41.06 1.33 214.46 0.00 0.00 0.00 Average: eth0 448.69 271.44 2159.45 198.55 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth7e57750 11.62 28.61 0.98 148.68 0.00 0.00 0.00 Average: docker0 11.62 28.54 0.82 148.68 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) 13:51:03 LINUX RESTART 13:52:02 CPU %user %nice %system %iowait %steal %idle 13:53:01 all 16.91 0.00 5.96 3.11 24.16 49.86 13:53:01 0 13.82 0.00 5.59 1.50 24.88 54.21 13:53:01 1 19.49 0.00 5.46 2.54 21.99 50.51 13:53:01 2 17.88 0.00 6.50 4.22 24.80 46.61 13:53:01 3 16.50 0.00 6.28 4.21 24.89 48.11 13:54:01 all 13.29 0.00 3.80 1.09 10.10 71.72 13:54:01 0 15.74 0.00 4.67 0.42 9.36 69.82 13:54:01 1 11.02 0.00 3.03 3.17 10.85 71.93 13:54:01 2 11.95 0.00 2.98 0.37 9.94 74.75 13:54:01 3 14.60 0.00 4.56 0.35 10.20 70.29 Average: all 15.08 0.00 4.87 2.09 17.03 60.94 Average: 0 14.78 0.00 5.13 0.96 17.15 61.99 Average: 1 15.11 0.00 4.20 2.86 16.24 61.59 Average: 2 14.88 0.00 4.72 2.27 17.27 60.87 Average: 3 15.54 0.00 5.41 2.26 17.46 59.33