---> uname -a: Linux 76a2e34a1d5b 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 8.5G 41.5G 17% / 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 8.5G 41.5G 17% /etc/resolv.conf /dev/vda1 50.0G 8.5G 41.5G 17% /etc/hostname /dev/vda1 50.0G 8.5G 41.5G 17% /etc/hosts /dev/vda1 50.0G 8.5G 41.5G 17% /var/log/sa /dev/vda1 50.0G 8.5G 41.5G 17% /w/workspace/gexfoundry_device-rest-go_master /dev/vda1 50.0G 8.5G 41.5G 17% /w/workspace/gexfoundry_device-rest-go_master@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 776 106 0 954 993 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 24: eth0@if25: 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) 09/01/20 _x86_64_ (4 CPU) 15:11:10 LINUX RESTART 15:12:01 tps rtps wtps bread/s bwrtn/s 15:13:01 27.51 10.76 16.75 4408.39 2517.68 15:14:01 1.75 0.00 1.75 0.00 29.98 15:15:02 0.37 0.00 0.37 0.00 5.98 15:16:01 0.27 0.00 0.27 0.00 3.03 15:17:01 64.95 30.50 34.45 1390.48 18506.83 15:18:01 304.71 160.63 144.08 7155.80 37146.88 15:19:01 224.83 111.20 113.63 8696.84 29693.69 Average: 89.45 44.85 44.60 3101.71 12592.85 15:12:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:13:01 151064 1730492 91.97 2620 1134376 1114376 38.03 447780 1123028 20 15:14:01 155848 1725708 91.72 2620 1134380 1081924 36.92 447644 1119208 16 15:15:02 155492 1726064 91.74 2620 1134388 1082092 36.93 448452 1119212 8 15:16:01 153720 1727836 91.83 2620 1134388 1082164 36.93 452724 1116600 8 15:17:01 154308 1727248 91.80 2620 1055844 1288456 43.97 464996 1063548 105552 15:18:01 172284 1709272 90.84 1776 962748 1319808 45.04 575144 864828 95324 15:19:01 135700 1745856 92.79 1492 975692 1241452 42.37 644264 791684 268 Average: 154059 1727497 91.81 2338 1075974 1172896 40.03 497286 1028301 28742 15:12:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 15:13:01 eth0 128.34 106.64 473.91 163.50 0.00 0.00 0.00 15:13:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:13:01 docker0 47.50 33.43 3.96 132.33 0.00 0.00 0.00 15:14:01 eth0 0.77 0.08 0.06 0.01 0.00 0.00 0.00 15:14:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:14:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:15:02 eth0 1.00 0.27 0.32 0.19 0.00 0.00 0.00 15:15:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:15:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:16:01 eth0 0.51 0.47 0.33 0.21 0.00 0.00 0.00 15:16:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:16:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:17:01 eth0 119.61 82.08 3757.74 8.04 0.00 0.00 0.00 15:17:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:17:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:18:01 eth0 321.09 228.19 3594.96 96.35 0.00 0.00 0.00 15:18:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:18:01 docker0 20.70 18.37 2.60 49.11 0.00 0.00 0.00 15:19:01 eth0 212.21 157.99 2592.08 82.31 0.00 0.00 0.00 15:19:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:19:01 veth14d8da9 0.22 0.28 0.41 0.10 0.00 0.00 0.00 15:19:01 docker0 95.94 85.04 8.68 380.40 0.00 0.00 0.00 Average: eth0 112.24 82.47 1492.50 50.22 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth14d8da9 0.03 0.04 0.06 0.01 0.00 0.00 0.00 Average: docker0 13.75 12.19 1.24 54.51 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) 09/01/20 _x86_64_ (4 CPU) 15:11:10 LINUX RESTART 15:12:01 CPU %user %nice %system %iowait %steal %idle 15:13:01 all 3.05 0.00 1.38 0.74 0.01 94.83 15:13:01 0 3.73 0.00 1.65 0.07 0.02 94.54 15:13:01 1 3.32 0.00 1.35 2.12 0.02 93.19 15:13:01 2 2.42 0.00 1.19 0.12 0.02 96.26 15:13:01 3 2.74 0.00 1.34 0.67 0.02 95.24 15:14:01 all 0.14 0.00 0.03 0.00 0.00 99.83 15:14:01 0 0.03 0.00 0.03 0.00 0.00 99.93 15:14:01 1 0.37 0.00 0.03 0.00 0.00 99.60 15:14:01 2 0.13 0.00 0.02 0.00 0.00 99.85 15:14:01 3 0.05 0.00 0.03 0.00 0.00 99.92 15:15:02 all 0.15 0.00 0.03 0.00 0.00 99.83 15:15:02 0 0.03 0.00 0.02 0.00 0.00 99.95 15:15:02 1 0.48 0.00 0.03 0.00 0.00 99.48 15:15:02 2 0.05 0.00 0.03 0.00 0.00 99.92 15:15:02 3 0.02 0.00 0.03 0.00 0.00 99.95 15:16:01 all 0.16 0.00 0.03 0.00 0.00 99.82 15:16:01 0 0.03 0.00 0.00 0.00 0.00 99.97 15:16:01 1 0.49 0.00 0.00 0.00 0.00 99.51 15:16:01 2 0.03 0.00 0.02 0.00 0.00 99.95 15:16:01 3 0.07 0.00 0.05 0.00 0.00 99.88 15:17:01 all 4.24 0.00 2.17 0.36 0.01 93.23 15:17:01 0 3.98 0.00 2.53 0.20 0.00 93.29 15:17:01 1 4.61 0.00 2.01 0.23 0.00 93.15 15:17:01 2 4.17 0.00 2.13 0.15 0.00 93.56 15:17:01 3 4.17 0.00 2.01 0.82 0.00 93.01 15:18:01 all 11.75 0.00 7.08 2.72 0.03 78.42 15:18:01 0 11.78 0.00 6.87 2.00 0.05 79.30 15:18:01 1 11.56 0.00 6.89 2.99 0.03 78.53 15:18:01 2 11.10 0.00 6.64 2.42 0.03 79.80 15:18:01 3 12.58 0.00 7.92 3.48 0.03 76.00 15:19:01 all 9.71 0.00 5.94 3.93 0.03 80.39 15:19:01 0 8.25 0.00 5.59 5.07 0.02 81.07 15:19:01 1 12.36 0.00 6.25 4.00 0.02 77.37 15:19:01 2 7.97 0.00 6.54 1.51 0.03 83.94 15:19:01 3 10.27 0.00 5.35 5.14 0.02 79.22 Average: all 4.16 0.00 2.37 1.10 0.01 92.36 Average: 0 3.96 0.00 2.38 1.04 0.01 92.61 Average: 1 4.73 0.00 2.36 1.33 0.01 91.57 Average: 2 3.69 0.00 2.36 0.60 0.01 93.35 Average: 3 4.25 0.00 2.38 1.44 0.01 91.93