服务器准备:三台虚拟机(master:1,node:2;这里选用的阿里云ECS)
OS hostname 内网IPCentos7joker-master-1172.27.31.149Centos7joker-node-1172.27.31.148Centos7joker-node-2172.27.31.147 首…
如何避免循环查询数据库 As the amount of data managed by an organization grows, the difficulty of managing and querying that data grows as well: more databases, more query languages, more gotchas to keep in mind and avoid. Beyond “fits on my laptop” data …