---> uname -a: Linux f485768ddbd5 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 7.8G 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_device-sdk-c_master@tmp /dev/vda1 50.0G 7.8G 42.2G 16% /var/log/sa /dev/vda1 50.0G 7.8G 42.2G 16% /w/workspace/edgexfoundry_device-sdk-c_master ---> free -m: total used free shared buff/cache available Mem: 1837 761 103 0 972 995 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 14: eth0@if15: 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) 07/14/20 _x86_64_ (4 CPU) 08:42:49 LINUX RESTART 08:44:01 tps rtps wtps bread/s bwrtn/s 08:45:01 1.92 0.00 1.92 0.00 41.66 08:46:01 0.27 0.00 0.27 0.00 3.65 08:47:02 0.32 0.00 0.32 0.00 3.80 08:48:01 0.25 0.00 0.25 0.00 2.61 08:49:01 222.26 116.18 106.08 5302.43 28671.63 Average: 45.16 23.32 21.84 1064.31 5765.39 08:44:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:45:01 158532 1723024 91.57 2620 1154212 1080804 36.89 375796 1188140 12 08:46:01 154756 1726800 91.78 2620 1154216 1081036 36.89 382108 1185824 8 08:47:02 154276 1727280 91.80 2620 1154224 1081084 36.90 382392 1185824 8 08:48:01 154380 1727176 91.80 2620 1154224 1080868 36.89 382968 1185232 8 08:49:01 166808 1714748 91.13 2620 1015424 1204460 41.11 434888 1016160 176 Average: 157750 1723806 91.62 2620 1126460 1105650 37.73 391630 1152236 42 08:44:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 08:45:01 eth0 0.68 0.10 0.06 0.02 0.00 0.00 0.00 08:45:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:45:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:46:01 eth0 1.02 0.32 0.32 0.17 0.00 0.00 0.00 08:46:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:46:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:47:02 eth0 0.43 0.33 0.27 0.23 0.00 0.00 0.00 08:47:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:47:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:48:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 08:48:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:48:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:49:01 vethca70d1a 0.00 0.05 0.00 0.00 0.00 0.00 0.00 08:49:01 eth0 710.56 463.65 4341.82 132.73 0.00 0.00 0.00 08:49:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 08:49:01 docker0 8.46 6.83 1.07 19.78 0.00 0.00 0.00 Average: vethca70d1a 0.00 0.01 0.00 0.00 0.00 0.00 0.00 Average: eth0 142.62 93.07 871.50 26.64 0.00 0.00 0.00 Average: lo 0.02 0.02 0.00 0.00 0.00 0.00 0.00 Average: docker0 1.70 1.37 0.21 3.97 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) 07/14/20 _x86_64_ (4 CPU) 08:42:49 LINUX RESTART 08:44:01 CPU %user %nice %system %iowait %steal %idle 08:45:01 all 0.16 0.00 0.04 0.00 0.00 99.80 08:45:01 0 0.53 0.00 0.02 0.00 0.00 99.45 08:45:01 1 0.03 0.00 0.03 0.00 0.00 99.93 08:45:01 2 0.03 0.00 0.05 0.00 0.00 99.92 08:45:01 3 0.03 0.00 0.03 0.00 0.00 99.93 08:46:01 all 0.16 0.00 0.02 0.00 0.00 99.82 08:46:01 0 0.53 0.00 0.02 0.00 0.02 99.43 08:46:01 1 0.05 0.00 0.02 0.00 0.00 99.93 08:46:01 2 0.07 0.00 0.02 0.00 0.02 99.90 08:46:01 3 0.03 0.00 0.03 0.00 0.00 99.93 08:47:02 all 0.10 0.00 0.03 0.00 0.00 99.87 08:47:02 0 0.27 0.00 0.03 0.00 0.00 99.70 08:47:02 1 0.05 0.00 0.07 0.00 0.00 99.88 08:47:02 2 0.00 0.00 0.02 0.00 0.00 99.98 08:47:02 3 0.03 0.00 0.03 0.00 0.00 99.93 08:48:01 all 0.14 0.00 0.03 0.00 0.00 99.82 08:48:01 0 0.49 0.00 0.05 0.00 0.00 99.46 08:48:01 1 0.05 0.00 0.03 0.00 0.00 99.92 08:48:01 2 0.00 0.00 0.02 0.00 0.00 99.98 08:48:01 3 0.03 0.00 0.02 0.00 0.00 99.95 08:49:01 all 7.75 0.00 5.29 2.03 0.01 84.91 08:49:01 0 7.56 0.00 5.24 1.60 0.00 85.60 08:49:01 1 7.87 0.00 5.16 1.04 0.00 85.92 08:49:01 2 7.64 0.00 5.72 4.79 0.02 81.84 08:49:01 3 7.95 0.00 5.07 0.66 0.00 86.33 Average: all 1.66 0.00 1.08 0.40 0.00 96.86 Average: 0 1.87 0.00 1.07 0.32 0.00 96.74 Average: 1 1.60 0.00 1.06 0.21 0.00 97.13 Average: 2 1.54 0.00 1.16 0.95 0.01 96.34 Average: 3 1.61 0.00 1.03 0.13 0.00 97.23