---> uname -a: Linux ebeb17d8cd51 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: 2933.396 BogoMIPS: 5866.79 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 42.8G 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 42.8G 14% /etc/resolv.conf /dev/vda1 50.0G 7.2G 42.8G 14% /etc/hostname /dev/vda1 50.0G 7.2G 42.8G 14% /etc/hosts /dev/vda1 50.0G 7.2G 42.8G 14% /var/log/sa /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/edgexfoundry_device-sdk-c_PR-275 /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/edgexfoundry_device-sdk-c_PR-275@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 671 128 0 1036 1059 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) 09:00:56 LINUX RESTART 09:02:01 tps rtps wtps bread/s bwrtn/s 09:03:01 2.08 0.00 2.08 0.00 45.51 09:04:01 0.15 0.00 0.15 0.00 2.15 09:05:01 0.37 0.00 0.37 0.00 5.33 09:06:01 0.27 0.00 0.27 0.00 3.11 09:07:02 168.00 108.17 59.83 8149.29 20012.40 Average: 34.19 21.64 12.54 1630.46 4015.17 09:02:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:03:01 154712 1726844 91.78 2620 1138752 1087312 37.11 452544 1115376 20 09:04:01 152776 1728780 91.88 2620 1138756 1082416 36.94 455248 1114772 8 09:05:01 150168 1731388 92.02 2620 1138764 1082528 36.94 457756 1114768 8 09:06:01 150076 1731480 92.02 2620 1138764 1082300 36.94 464804 1108044 8 09:07:02 131244 1750312 93.02 2620 1059176 1247000 42.56 523172 1025604 404 Average: 147795 1733761 92.15 2620 1122842 1116311 38.10 470705 1095713 90 09:02:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 09:03:01 eth0 3.95 2.36 2.95 0.16 0.00 0.00 0.00 09:03:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:03:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:04:01 eth0 1.17 0.37 0.43 0.20 0.00 0.00 0.00 09:04:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:04:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:05:01 eth0 1.27 0.57 0.61 0.39 0.00 0.00 0.00 09:05:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:05:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:06:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 09:06:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:06:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:07:02 eth0 104.26 67.12 2335.32 12.63 0.00 0.00 0.00 09:07:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:07:02 docker0 0.22 0.18 0.38 0.09 0.00 0.00 0.00 09:07:02 veth6c25749 0.22 0.23 0.39 0.09 0.00 0.00 0.00 Average: eth0 22.15 14.11 468.04 2.68 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.04 0.04 0.08 0.02 0.00 0.00 0.00 Average: veth6c25749 0.04 0.05 0.08 0.02 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) 09:00:56 LINUX RESTART 09:02:01 CPU %user %nice %system %iowait %steal %idle 09:03:01 all 0.20 0.00 0.06 0.00 0.00 99.74 09:03:01 0 0.10 0.00 0.05 0.00 0.00 99.85 09:03:01 1 0.55 0.00 0.07 0.00 0.00 99.38 09:03:01 2 0.05 0.00 0.03 0.00 0.00 99.92 09:03:01 3 0.08 0.00 0.07 0.00 0.00 99.85 09:04:01 all 0.16 0.00 0.04 0.00 0.00 99.80 09:04:01 0 0.03 0.00 0.03 0.00 0.00 99.93 09:04:01 1 0.05 0.00 0.03 0.00 0.00 99.92 09:04:01 2 0.45 0.00 0.03 0.00 0.00 99.52 09:04:01 3 0.08 0.00 0.08 0.00 0.02 99.82 09:05:01 all 0.15 0.00 0.03 0.00 0.00 99.82 09:05:01 0 0.08 0.00 0.07 0.00 0.00 99.85 09:05:01 1 0.03 0.00 0.02 0.00 0.00 99.95 09:05:01 2 0.07 0.00 0.02 0.00 0.00 99.92 09:05:01 3 0.40 0.00 0.02 0.00 0.00 99.58 09:06:01 all 0.12 0.00 0.03 0.00 0.00 99.85 09:06:01 0 0.03 0.00 0.05 0.00 0.02 99.90 09:06:01 1 0.03 0.00 0.02 0.00 0.00 99.95 09:06:01 2 0.02 0.00 0.02 0.00 0.00 99.97 09:06:01 3 0.40 0.00 0.05 0.00 0.00 99.55 09:07:02 all 5.58 0.00 3.42 2.26 0.01 88.73 09:07:02 0 4.99 0.00 2.96 1.44 0.00 90.61 09:07:02 1 6.26 0.00 3.85 4.57 0.02 85.30 09:07:02 2 4.93 0.00 3.42 2.46 0.00 89.19 09:07:02 3 6.15 0.00 3.45 0.54 0.02 89.84 Average: all 1.23 0.00 0.71 0.45 0.00 97.60 Average: 0 1.04 0.00 0.63 0.29 0.00 98.04 Average: 1 1.38 0.00 0.79 0.91 0.00 96.91 Average: 2 1.10 0.00 0.70 0.49 0.00 97.71 Average: 3 1.41 0.00 0.73 0.11 0.01 97.74