---> uname -a: Linux 371045246ff5 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 7.2G 42.7G 14% / 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 7.2G 42.7G 14% /etc/resolv.conf /dev/vda1 50.0G 7.2G 42.7G 14% /etc/hostname /dev/vda1 50.0G 7.2G 42.7G 14% /etc/hosts /dev/vda1 50.0G 7.2G 42.7G 14% /w/workspace/edgexfoundry_device-rest-go_snap /dev/vda1 50.0G 7.2G 42.7G 14% /w/workspace/edgexfoundry_device-rest-go_snap@tmp /dev/vda1 50.0G 7.2G 42.7G 14% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1837 645 109 0 1082 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) 06/18/20 _x86_64_ (4 CPU) 18:21:54 LINUX RESTART 18:23:01 tps rtps wtps bread/s bwrtn/s 18:24:01 1.55 0.00 1.55 0.00 31.66 18:25:02 0.40 0.00 0.40 0.00 5.91 18:26:01 0.25 0.00 0.25 0.00 2.76 18:27:01 0.18 0.00 0.18 0.00 2.02 Average: 0.60 0.00 0.60 0.00 10.62 18:23:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:24:01 169100 1712456 91.01 2620 1184392 1104180 37.68 399156 1152448 16 18:25:02 168056 1713500 91.07 2620 1184396 1098036 37.47 402756 1150124 8 18:26:01 170268 1711288 90.95 2620 1184404 1080536 36.88 401656 1149464 8 18:27:01 168096 1713460 91.07 2620 1184404 1080692 36.88 405580 1148008 8 Average: 168880 1712676 91.02 2620 1184399 1090861 37.23 402287 1150011 10 18:23:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 18:24:01 eth0 4.13 1.45 3.22 0.25 0.00 0.00 0.00 18:24:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:24:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:25:02 eth0 0.95 0.50 0.53 0.39 0.00 0.00 0.00 18:25:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:25:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:26:01 eth0 0.73 0.08 0.06 0.04 0.00 0.00 0.00 18:26:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:26:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:27:01 eth0 1.02 0.30 0.32 0.20 0.00 0.00 0.00 18:27:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:27:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 1.71 0.59 1.04 0.22 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 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) 18:21:54 LINUX RESTART 18:23:01 CPU %user %nice %system %iowait %steal %idle 18:24:01 all 0.20 0.00 0.05 0.00 0.00 99.76 18:24:01 0 0.07 0.00 0.03 0.00 0.00 99.90 18:24:01 1 0.12 0.00 0.03 0.00 0.00 99.85 18:24:01 2 0.57 0.00 0.05 0.00 0.00 99.38 18:24:01 3 0.03 0.00 0.07 0.00 0.00 99.90 18:25:02 all 0.17 0.00 0.03 0.00 0.00 99.80 18:25:02 0 0.03 0.00 0.03 0.00 0.00 99.93 18:25:02 1 0.03 0.00 0.02 0.00 0.00 99.95 18:25:02 2 0.55 0.00 0.02 0.00 0.00 99.43 18:25:02 3 0.07 0.00 0.03 0.00 0.00 99.90 18:26:01 all 0.16 0.00 0.03 0.00 0.00 99.82 18:26:01 0 0.03 0.00 0.00 0.00 0.00 99.97 18:26:01 1 0.03 0.00 0.03 0.00 0.00 99.93 18:26:01 2 0.51 0.00 0.02 0.00 0.00 99.47 18:26:01 3 0.03 0.00 0.05 0.00 0.00 99.92 18:27:01 all 0.15 0.00 0.03 0.00 0.00 99.82 18:27:01 0 0.02 0.00 0.03 0.00 0.00 99.95 18:27:01 1 0.05 0.00 0.03 0.00 0.00 99.92 18:27:01 2 0.48 0.00 0.05 0.00 0.00 99.47 18:27:01 3 0.05 0.00 0.03 0.00 0.00 99.92 Average: all 0.17 0.00 0.03 0.00 0.00 99.80 Average: 0 0.04 0.00 0.03 0.00 0.00 99.94 Average: 1 0.06 0.00 0.03 0.00 0.00 99.91 Average: 2 0.53 0.00 0.03 0.00 0.00 99.44 Average: 3 0.05 0.00 0.05 0.00 0.00 99.91