---> uname -a: Linux af704ea6e8bb 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: 2933.442 BogoMIPS: 5866.88 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% /var/log/sa /dev/vda1 50.0G 7.8G 42.2G 16% /w/workspace/edgexfoundry_device-sdk-c_master /dev/vda1 50.0G 7.8G 42.2G 16% /w/workspace/edgexfoundry_device-sdk-c_master@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 764 129 0 943 992 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) 06/23/20 _x86_64_ (4 CPU) 12:56:55 LINUX RESTART 12:58:01 tps rtps wtps bread/s bwrtn/s 12:59:01 1.57 0.00 1.57 0.00 32.40 13:00:01 0.25 0.00 0.25 0.00 3.12 13:01:01 0.30 0.02 0.28 0.13 3.50 13:02:01 0.45 0.10 0.35 2.13 6.08 13:03:01 210.43 112.03 98.40 3670.62 26281.75 Average: 42.60 22.43 20.17 734.55 5265.19 12:58:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:59:01 165788 1715768 91.19 2620 1133352 1081196 36.90 449680 1106224 12 13:00:01 163260 1718296 91.32 2620 1133356 1081388 36.91 453020 1105732 8 13:01:01 161316 1720240 91.43 2620 1133364 1083908 36.99 454168 1105620 8 13:02:01 162876 1718680 91.34 2620 1133500 1081704 36.92 456012 1103076 8 13:03:01 133728 1747828 92.89 2620 1023860 1296672 44.25 440824 1051092 66820 Average: 157394 1724162 91.63 2620 1111486 1124974 38.39 450741 1094349 13371 12:58:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 12:59:01 eth0 0.65 0.08 0.06 0.01 0.00 0.00 0.00 12:59:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:59:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:01 eth0 1.40 0.75 1.01 0.17 0.00 0.00 0.00 13:00:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:01:01 eth0 0.75 0.30 0.30 0.26 0.00 0.00 0.00 13:01:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:01:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:02:01 eth0 0.10 0.10 0.01 0.01 0.00 0.00 0.00 13:02:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:02:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:03:01 eth0 160.44 95.29 3212.59 15.64 0.00 0.00 0.00 13:03:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:03:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 32.67 19.30 642.77 3.22 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) 06/23/20 _x86_64_ (4 CPU) 12:56:55 LINUX RESTART 12:58:01 CPU %user %nice %system %iowait %steal %idle 12:59:01 all 0.16 0.00 0.03 0.00 0.00 99.80 12:59:01 0 0.02 0.00 0.00 0.00 0.00 99.98 12:59:01 1 0.07 0.00 0.03 0.00 0.00 99.90 12:59:01 2 0.03 0.00 0.02 0.00 0.00 99.95 12:59:01 3 0.53 0.00 0.07 0.00 0.00 99.40 13:00:01 all 0.15 0.00 0.02 0.00 0.00 99.83 13:00:01 0 0.03 0.00 0.03 0.00 0.00 99.93 13:00:01 1 0.05 0.00 0.03 0.00 0.00 99.92 13:00:01 2 0.03 0.00 0.02 0.00 0.00 99.95 13:00:01 3 0.50 0.00 0.02 0.00 0.00 99.48 13:01:01 all 0.16 0.00 0.02 0.00 0.00 99.81 13:01:01 0 0.03 0.00 0.02 0.00 0.00 99.95 13:01:01 1 0.05 0.00 0.05 0.00 0.00 99.90 13:01:01 2 0.02 0.00 0.02 0.00 0.00 99.97 13:01:01 3 0.53 0.00 0.02 0.00 0.00 99.45 13:02:01 all 0.15 0.00 0.02 0.00 0.00 99.82 13:02:01 0 0.02 0.00 0.02 0.02 0.00 99.95 13:02:01 1 0.03 0.00 0.03 0.02 0.00 99.92 13:02:01 2 0.03 0.00 0.03 0.00 0.00 99.93 13:02:01 3 0.53 0.00 0.02 0.02 0.00 99.43 13:03:01 all 7.24 0.00 3.92 1.41 0.01 87.42 13:03:01 0 6.95 0.00 4.15 1.34 0.02 87.54 13:03:01 1 7.23 0.00 3.58 1.06 0.02 88.12 13:03:01 2 7.26 0.00 4.44 1.92 0.02 86.37 13:03:01 3 7.50 0.00 3.55 1.30 0.02 87.63 Average: all 1.56 0.00 0.80 0.28 0.00 97.35 Average: 0 1.40 0.00 0.84 0.27 0.00 97.49 Average: 1 1.48 0.00 0.74 0.21 0.00 97.57 Average: 2 1.47 0.00 0.90 0.38 0.00 97.25 Average: 3 1.91 0.00 0.73 0.26 0.00 97.10