taosdata/TDengine

How to create many dnodes in one pnode and how to write these dnodes'config files？

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#26,236 opened on Jun 21, 2024

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Description

在官网文档搭建集群案例中，使用的是不同物理节点的数据节点，这样编辑配置文件更容易理解，但就我了解到，同一个物理节点可以通过修改端口号，生成不同数据节点，那是否可以将这些不同的数据节点组合成一个新的集群？如果可以，该如何编辑配置文件并分别启动这些数据节点的服务？

Contributor guide

Research direction
Provide steps to configure multiple dnodes on one pnode by using different ports and data directories, then create a cluster by connecting these dnodes. Show how to edit configuration files (e.g., taos.cfg) and start each dnode service using taosd commands.
Tech stack
c
Domain
backenddatabase
Issue type
Documentation
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
3
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-3 hours
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Fresh
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Mostly clear
Prerequisites
TDengine basics
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
70