---> uname -a: Linux 75ba817921b4 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 8.2G 41.8G 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 8.2G 41.8G 16% /etc/resolv.conf /dev/vda1 50.0G 8.2G 41.8G 16% /etc/hostname /dev/vda1 50.0G 8.2G 41.8G 16% /etc/hosts /dev/vda1 50.0G 8.2G 41.8G 16% /var/log/sa-host /dev/vda1 50.0G 8.2G 41.8G 16% /w/workspace/edgex-go/4 /dev/vda1 50.0G 8.2G 41.8G 16% /w/workspace/edgex-go/4@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 710 143 0 983 1034 Swap: 1023 3 1020 ---> 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 12: eth0@if13: 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) 09/11/20 _x86_64_ (4 CPU) 16:19:33 LINUX RESTART (4 CPU) 16:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:21:01 129.41 51.70 77.71 0.00 6877.61 43439.02 0.00 16:22:01 143.24 70.13 73.11 0.00 5904.94 34367.80 0.00 16:23:01 338.93 149.32 189.61 0.00 7499.43 42634.90 0.00 16:24:01 172.54 98.50 74.03 0.00 4215.45 6975.80 0.00 16:25:02 5.71 0.05 5.66 0.00 0.53 208.26 0.00 16:26:01 0.71 0.25 0.46 0.00 92.13 8.01 0.00 16:27:01 0.45 0.12 0.33 0.00 74.88 5.11 0.00 16:28:01 0.37 0.02 0.35 0.00 3.73 5.98 0.00 Average: 99.18 46.38 52.80 0.00 3091.75 16000.39 0.00 16:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:21:01 70268 0 567704 30.17 2620 1240964 1353388 46.19 512176 1138876 23460 16:22:01 65964 0 687856 36.56 2596 1125140 1531824 52.28 731944 902632 105268 16:23:01 169832 0 724176 38.49 1236 986312 1626116 55.50 657464 820272 52572 16:24:01 484560 0 660048 35.08 756 736192 1096660 37.43 571928 592188 20 16:25:02 499352 0 645188 34.29 756 736260 1082256 36.94 585612 577100 12 16:26:01 494832 0 647016 34.39 756 738952 1075084 36.69 590940 576424 12 16:27:01 492848 0 646748 34.37 756 741204 1075212 36.70 591328 578664 12 16:28:01 493928 0 645552 34.31 756 741320 1063820 36.31 590708 577944 8 Average: 346448 0 653036 34.71 1279 880793 1238045 42.25 604012 720512 22670 16:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:21:01 eth0 787.11 540.12 3534.28 84.04 0.00 0.00 0.00 0.00 16:21:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:21:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:22:01 eth0 1968.95 1677.18 5756.39 2858.53 0.00 0.00 0.00 0.00 16:22:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:22:01 docker0 860.82 727.44 68.89 2653.08 0.00 0.00 0.00 0.00 16:23:01 vethdd91f12 0.00 0.12 0.00 0.01 0.00 0.00 0.00 0.00 16:23:01 eth0 325.29 234.72 1923.51 31.35 0.00 0.00 0.00 0.00 16:23:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:23:01 docker0 140.85 169.32 10.02 835.24 0.00 0.00 0.00 0.00 16:24:01 eth0 25.25 12.68 20.43 10.42 0.00 0.00 0.00 0.00 16:24:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:24:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:25:02 eth0 2.46 0.68 0.70 0.41 0.00 0.00 0.00 0.00 16:25:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:25:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:26:01 eth0 2.32 0.85 0.79 0.48 0.00 0.00 0.00 0.00 16:26:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:26:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:27:01 eth0 1.08 0.63 0.55 0.37 0.00 0.00 0.00 0.00 16:27:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:27:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:28:01 eth0 0.12 0.08 0.01 0.04 0.00 0.00 0.00 0.00 16:28:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:28:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 390.17 309.24 1408.56 374.27 0.00 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 125.57 112.42 9.89 437.30 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) 09/11/20 _x86_64_ (4 CPU) 16:19:33 LINUX RESTART (4 CPU) 16:20:01 CPU %user %nice %system %iowait %steal %idle 16:21:01 all 17.24 0.00 8.04 4.44 0.18 70.10 16:21:01 0 15.81 0.00 8.79 6.18 0.22 68.99 16:21:01 1 20.27 0.00 9.60 2.70 0.12 67.30 16:21:01 2 18.02 0.00 6.98 4.25 0.22 70.54 16:21:01 3 14.84 0.00 6.80 4.64 0.17 73.56 16:22:01 all 19.37 0.00 8.38 1.56 0.08 70.61 16:22:01 0 18.26 0.00 11.08 1.62 0.07 68.96 16:22:01 1 16.29 0.00 6.57 0.48 0.10 76.56 16:22:01 2 29.90 0.00 8.51 2.11 0.07 59.42 16:22:01 3 12.97 0.00 7.41 2.04 0.09 77.49 16:23:01 all 16.88 0.00 9.65 6.75 0.13 66.59 16:23:01 0 17.62 0.00 10.50 5.14 0.15 66.59 16:23:01 1 15.97 0.00 9.61 9.56 0.14 64.73 16:23:01 2 16.78 0.00 9.11 5.57 0.10 68.44 16:23:01 3 17.15 0.00 9.40 6.73 0.12 66.60 16:24:01 all 36.20 0.00 11.40 4.63 0.04 47.72 16:24:01 0 35.51 0.00 11.73 5.94 0.05 46.77 16:24:01 1 36.48 0.00 11.16 5.88 0.03 46.44 16:24:01 2 36.88 0.00 10.86 2.40 0.07 49.79 16:24:01 3 35.95 0.00 11.85 4.30 0.02 47.88 16:25:02 all 0.09 0.00 0.09 0.00 0.00 99.81 16:25:02 0 0.02 0.00 0.07 0.00 0.00 99.92 16:25:02 1 0.08 0.00 0.08 0.00 0.02 99.82 16:25:02 2 0.22 0.00 0.17 0.00 0.00 99.62 16:25:02 3 0.05 0.00 0.05 0.02 0.00 99.88 16:26:01 all 0.19 0.00 0.06 0.00 0.00 99.75 16:26:01 0 0.05 0.00 0.03 0.02 0.00 99.90 16:26:01 1 0.46 0.00 0.05 0.00 0.00 99.49 16:26:01 2 0.20 0.00 0.10 0.00 0.00 99.69 16:26:01 3 0.05 0.00 0.03 0.00 0.00 99.92 16:27:01 all 0.16 0.00 0.03 0.00 0.00 99.80 16:27:01 0 0.02 0.00 0.03 0.00 0.00 99.95 16:27:01 1 0.53 0.00 0.02 0.00 0.00 99.45 16:27:01 2 0.05 0.00 0.03 0.00 0.00 99.92 16:27:01 3 0.03 0.00 0.05 0.00 0.02 99.90 16:28:01 all 0.13 0.00 0.03 0.00 0.00 99.84 16:28:01 0 0.03 0.00 0.02 0.02 0.00 99.93 16:28:01 1 0.38 0.00 0.03 0.00 0.00 99.58 16:28:01 2 0.02 0.00 0.02 0.00 0.00 99.97 16:28:01 3 0.07 0.00 0.05 0.00 0.00 99.88 Average: all 11.17 0.00 4.67 2.16 0.05 81.95 Average: 0 10.79 0.00 5.22 2.35 0.06 81.58 Average: 1 11.20 0.00 4.60 2.31 0.05 81.85 Average: 2 12.64 0.00 4.43 1.78 0.06 81.09 Average: 3 10.05 0.00 4.41 2.20 0.05 83.29