---> uname -a: Linux 7aa1242c2e95 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 7.8G 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 766 116 0 954 990 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) 07/24/20 _x86_64_ (4 CPU) 14:35:22 LINUX RESTART 14:36:01 tps rtps wtps bread/s bwrtn/s 14:37:01 50.92 14.74 36.18 4762.17 2705.83 14:38:01 1.57 0.00 1.57 0.00 28.64 14:39:01 0.23 0.00 0.23 0.00 2.22 14:40:01 0.27 0.00 0.27 0.00 3.48 14:41:01 0.23 0.00 0.23 0.00 2.78 14:42:01 284.32 160.95 123.37 7325.30 31950.40 Average: 56.28 29.29 26.98 2015.15 5784.48 14:36:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:37:01 172348 1709208 90.84 2620 1121964 1099912 37.54 415868 1134176 16 14:38:01 176772 1704784 90.61 2620 1121968 1071712 36.58 416032 1130396 8 14:39:01 176636 1704920 90.61 2620 1121976 1071920 36.58 416904 1130360 8 14:40:01 175760 1705796 90.66 2620 1121976 1072004 36.59 417448 1130360 8 14:41:01 175028 1706528 90.70 2620 1121984 1071872 36.58 425884 1122248 8 14:42:01 187768 1693788 90.02 2596 950232 1211200 41.34 506408 919868 48 Average: 177385 1704171 90.57 2616 1093350 1099770 37.53 433091 1094568 16 14:36:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 14:37:01 eth0 333.63 217.52 719.52 87.41 0.00 0.00 0.00 14:37:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:37:01 docker0 7.43 6.18 0.84 18.37 0.00 0.00 0.00 14:38:01 eth0 0.62 0.08 0.06 0.01 0.00 0.00 0.00 14:38:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:38:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:39:01 eth0 3.36 1.95 2.33 0.27 0.00 0.00 0.00 14:39:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:39:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:40:01 eth0 0.45 0.37 0.27 0.23 0.00 0.00 0.00 14:40:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:41:01 eth0 0.20 0.15 0.08 0.04 0.00 0.00 0.00 14:41:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:41:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:42:01 eth0 228.05 161.25 3415.89 74.02 0.00 0.00 0.00 14:42:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:42:01 vethe4bc222 0.00 0.03 0.00 0.00 0.00 0.00 0.00 14:42:01 docker0 29.93 32.44 2.15 183.13 0.00 0.00 0.00 Average: eth0 94.41 63.57 689.94 27.00 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: vethe4bc222 0.00 0.01 0.00 0.00 0.00 0.00 0.00 Average: docker0 4.99 5.41 0.36 30.53 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) 07/24/20 _x86_64_ (4 CPU) 14:35:22 LINUX RESTART 14:36:01 CPU %user %nice %system %iowait %steal %idle 14:37:01 all 5.85 0.00 2.40 1.65 0.01 90.09 14:37:01 0 6.68 0.00 2.34 0.52 0.00 90.46 14:37:01 1 5.03 0.00 2.44 1.67 0.00 90.86 14:37:01 2 5.49 0.00 2.45 0.35 0.00 91.71 14:37:01 3 6.20 0.00 2.40 4.09 0.02 87.29 14:38:01 all 0.14 0.00 0.04 0.00 0.00 99.82 14:38:01 0 0.47 0.00 0.03 0.00 0.00 99.50 14:38:01 1 0.02 0.00 0.03 0.00 0.00 99.95 14:38:01 2 0.05 0.00 0.07 0.00 0.00 99.88 14:38:01 3 0.02 0.00 0.02 0.00 0.00 99.97 14:39:01 all 0.17 0.00 0.02 0.00 0.00 99.80 14:39:01 0 0.53 0.00 0.02 0.00 0.00 99.45 14:39:01 1 0.05 0.00 0.03 0.00 0.00 99.92 14:39:01 2 0.05 0.00 0.02 0.00 0.00 99.93 14:39:01 3 0.05 0.00 0.03 0.00 0.00 99.92 14:40:01 all 0.15 0.00 0.03 0.00 0.00 99.82 14:40:01 0 0.53 0.00 0.03 0.00 0.00 99.43 14:40:01 1 0.02 0.00 0.05 0.00 0.00 99.93 14:40:01 2 0.03 0.00 0.00 0.00 0.00 99.97 14:40:01 3 0.02 0.00 0.02 0.00 0.02 99.95 14:41:01 all 0.16 0.00 0.03 0.00 0.00 99.81 14:41:01 0 0.10 0.00 0.02 0.00 0.00 99.88 14:41:01 1 0.03 0.00 0.03 0.00 0.00 99.93 14:41:01 2 0.03 0.00 0.05 0.00 0.00 99.92 14:41:01 3 0.47 0.00 0.03 0.00 0.00 99.50 14:42:01 all 10.87 0.00 7.18 2.98 0.02 78.96 14:42:01 0 9.88 0.00 8.04 2.67 0.02 79.39 14:42:01 1 12.87 0.00 7.59 4.77 0.02 74.75 14:42:01 2 11.61 0.00 6.87 3.17 0.02 78.34 14:42:01 3 9.10 0.00 6.24 1.27 0.00 83.39 Average: all 2.87 0.00 1.61 0.77 0.00 94.75 Average: 0 3.01 0.00 1.73 0.53 0.00 94.73 Average: 1 2.98 0.00 1.68 1.07 0.00 94.26 Average: 2 2.86 0.00 1.56 0.58 0.00 94.99 Average: 3 2.62 0.00 1.44 0.89 0.01 95.04