System environmentTest system version:RedHat7.5 Maven version:3.8.3 Server creation directorymkdir -

system versionSystem version: RedHat7.5 Jdk version: java version "17.0.1" Download JdkDownload link

system message系统版本:RedHat7.5 nginx版本:1.20.0 nginx下载地址:http://nginx.org/packages/rhel/7/x86_64/RPMS/

system versionsystem version:RedHat7.5 Docker version: 18.06.3 Download link:https://download.docker

Node 1 configurationModify max_map_countecho vm.max_map_count=262144 >> /etc/sysctl.conf sysct

Test the installation environmentcentos8 64 Install yum-utils toolkit sudo yum install -y yum-u

Modify the maximum number of memory mapped areas that a process may haveecho vm.max_map_count=262144

Build a disk array in Linux, this time use 2 4T mechanical hard disks to build a raid0 disk array4T

Build a mongodb replication set in docker to provide data redundancy and high availability, provide