---> uname -a: Linux d8fe6ac0e9f1 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 7.7G 42.3G 15% / 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 7.7G 42.3G 15% /etc/resolv.conf /dev/vda1 50.0G 7.7G 42.3G 15% /etc/hostname /dev/vda1 50.0G 7.7G 42.3G 15% /etc/hosts /dev/vda1 50.0G 7.7G 42.3G 15% /w/workspace/edgexfoundry_edgex-docs_PR-196@tmp /dev/vda1 50.0G 7.7G 42.3G 15% /var/log/sa /dev/vda1 50.0G 7.7G 42.3G 15% /w/workspace/edgexfoundry_edgex-docs_PR-196 ---> free -m: total used free shared buff/cache available Mem: 1837 672 99 0 1064 1060 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) 08/09/20 _x86_64_ (4 CPU) 21:24:07 LINUX RESTART 21:25:01 tps rtps wtps bread/s bwrtn/s 21:26:01 140.96 36.46 104.49 6659.74 29115.61 Average: 140.96 36.46 104.49 6659.74 29115.61 21:25:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:26:01 86068 1795488 95.43 2620 1139880 1224944 41.81 675368 908940 7816 Average: 86068 1795488 95.43 2620 1139880 1224944 41.81 675368 908940 7816 21:25:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 21:26:01 veth9192c5c 20.04 35.28 1.74 294.65 0.00 0.00 0.00 21:26:01 eth0 1577.57 1097.35 4355.32 1697.40 0.00 0.00 0.00 21:26:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 21:26:01 docker0 20.04 35.15 1.47 294.64 0.00 0.00 0.00 Average: veth9192c5c 20.04 35.28 1.74 294.65 0.00 0.00 0.00 Average: eth0 1577.57 1097.35 4355.32 1697.40 0.00 0.00 0.00 Average: lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 Average: docker0 20.04 35.15 1.47 294.64 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) 08/09/20 _x86_64_ (4 CPU) 21:24:07 LINUX RESTART 21:25:01 CPU %user %nice %system %iowait %steal %idle 21:26:01 all 17.24 0.00 5.16 2.47 0.03 75.10 21:26:01 0 23.44 0.00 6.46 1.67 0.02 68.41 21:26:01 1 14.79 0.00 5.13 0.35 0.02 79.71 21:26:01 2 13.71 0.00 5.26 6.21 0.05 74.77 21:26:01 3 17.06 0.00 3.79 1.65 0.03 77.47 Average: all 17.24 0.00 5.16 2.47 0.03 75.10 Average: 0 23.44 0.00 6.46 1.67 0.02 68.41 Average: 1 14.79 0.00 5.13 0.35 0.02 79.71 Average: 2 13.71 0.00 5.26 6.21 0.05 74.77 Average: 3 17.06 0.00 3.79 1.65 0.03 77.47