---> uname -a: Linux 0c389e5b2d21 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% /w/workspace/edgexfoundry_device-sdk-c_master /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 ---> free -m: total used free shared buff/cache available Mem: 1837 750 116 0 970 1006 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) 07/23/20 _x86_64_ (4 CPU) 16:50:22 LINUX RESTART 16:51:01 tps rtps wtps bread/s bwrtn/s 16:52:01 45.23 10.46 34.77 4335.19 2338.72 16:53:02 2.06 0.00 2.06 0.00 38.13 16:54:01 0.61 0.00 0.61 0.00 7.32 16:55:01 0.35 0.00 0.35 0.00 5.81 16:56:01 0.25 0.00 0.25 0.00 3.36 16:57:01 287.96 165.46 122.51 7399.63 31968.92 Average: 56.25 29.41 26.84 1961.71 5744.90 16:51:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:52:01 156904 1724652 91.66 2620 1184584 1117508 38.14 389792 1173432 20 16:53:02 163180 1718376 91.33 2620 1184588 1070804 36.54 388640 1169016 8 16:54:01 162492 1719064 91.36 2620 1184596 1071088 36.55 390052 1169016 8 16:55:01 160892 1720664 91.45 2620 1184596 1071124 36.56 392180 1168384 12 16:56:01 161572 1719984 91.41 2620 1184600 1071020 36.55 399156 1161088 16 16:57:01 206372 1675184 89.03 2620 959992 1281728 43.74 490364 911784 52 Average: 168569 1712987 91.04 2620 1147159 1113879 38.01 408364 1125453 19 16:51:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 16:52:01 eth0 172.09 125.26 499.71 60.40 0.00 0.00 0.00 16:52:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:52:01 docker0 9.84 7.34 1.06 19.96 0.00 0.00 0.00 16:53:02 eth0 0.62 0.07 0.06 0.01 0.00 0.00 0.00 16:53:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:53:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:54:01 eth0 4.20 2.19 3.26 0.29 0.00 0.00 0.00 16:54:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:54:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:55:01 eth0 0.50 0.30 0.27 0.23 0.00 0.00 0.00 16:55:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:55:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:56:01 eth0 0.20 0.17 0.08 0.07 0.00 0.00 0.00 16:56:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:56:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:57:01 vethb9226d1 1.80 1.32 0.30 0.27 0.00 0.00 0.00 16:57:01 eth0 713.12 450.47 4544.17 167.73 0.00 0.00 0.00 16:57:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 16:57:01 docker0 36.37 36.89 2.64 185.00 0.00 0.00 0.00 Average: vethb9226d1 0.30 0.22 0.05 0.04 0.00 0.00 0.00 Average: eth0 119.23 75.32 759.74 28.04 0.00 0.00 0.00 Average: lo 0.02 0.02 0.00 0.00 0.00 0.00 0.00 Average: docker0 6.08 6.17 0.44 30.93 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) 07/23/20 _x86_64_ (4 CPU) 16:50:22 LINUX RESTART 16:51:01 CPU %user %nice %system %iowait %steal %idle 16:52:01 all 3.46 0.00 1.84 2.12 0.00 92.58 16:52:01 0 3.38 0.00 2.01 0.92 0.02 93.67 16:52:01 1 3.54 0.00 1.57 0.99 0.00 93.90 16:52:01 2 3.47 0.00 2.00 5.13 0.02 89.38 16:52:01 3 3.43 0.00 1.76 1.46 0.00 93.36 16:53:02 all 0.15 0.00 0.04 0.00 0.00 99.80 16:53:02 0 0.52 0.00 0.03 0.00 0.00 99.45 16:53:02 1 0.03 0.00 0.03 0.00 0.00 99.93 16:53:02 2 0.05 0.00 0.08 0.00 0.00 99.87 16:53:02 3 0.02 0.00 0.03 0.00 0.00 99.95 16:54:01 all 0.14 0.00 0.04 0.00 0.00 99.82 16:54:01 0 0.44 0.00 0.07 0.00 0.00 99.49 16:54:01 1 0.07 0.00 0.05 0.00 0.00 99.88 16:54:01 2 0.05 0.00 0.03 0.00 0.00 99.92 16:54:01 3 0.03 0.00 0.00 0.00 0.00 99.97 16:55:01 all 0.16 0.00 0.03 0.00 0.00 99.81 16:55:01 0 0.10 0.00 0.02 0.00 0.00 99.88 16:55:01 1 0.05 0.00 0.05 0.00 0.00 99.90 16:55:01 2 0.47 0.00 0.03 0.00 0.00 99.50 16:55:01 3 0.02 0.00 0.02 0.00 0.00 99.97 16:56:01 all 0.16 0.00 0.05 0.00 0.00 99.79 16:56:01 0 0.02 0.00 0.03 0.00 0.00 99.95 16:56:01 1 0.03 0.00 0.03 0.00 0.00 99.93 16:56:01 2 0.55 0.00 0.03 0.00 0.00 99.42 16:56:01 3 0.03 0.00 0.08 0.00 0.00 99.88 16:57:01 all 10.77 0.00 7.06 3.31 0.02 78.84 16:57:01 0 13.16 0.00 8.25 4.30 0.02 74.26 16:57:01 1 9.68 0.00 6.48 4.05 0.02 79.77 16:57:01 2 9.72 0.00 6.50 3.58 0.02 80.19 16:57:01 3 10.52 0.00 7.04 1.32 0.03 81.09 Average: all 2.46 0.00 1.50 0.90 0.00 95.13 Average: 0 2.92 0.00 1.73 0.87 0.01 94.48 Average: 1 2.23 0.00 1.36 0.83 0.00 95.57 Average: 2 2.38 0.00 1.44 1.45 0.01 94.73 Average: 3 2.33 0.00 1.48 0.46 0.01 95.73