数据迁移工具概览

    本文介绍了使用这些工具的场景、优势和相关限制等信息。请根据你的需求选择合适的工具。

    下图显示了各迁移工具的使用场景。

    从 TiDB 4.0 开始，TiUP 作为软件包管理器，帮助你轻松管理 TiDB 生态系统中的不同集群组件。现在你可以只用一个 TiUP 命令行来管理任何组件。

    重新声明全局环境变量

    你可以通过以下命令查看所有可用组件:

    1. Available components:
    2. Name            Owner    Description
    3. bench           pingcap  Benchmark database with different workloads
    4. br              pingcap  TiDB/TiKV cluster backup restore tool
    6. client          pingcap  Client to connect playground
    7. cluster         pingcap  Deploy a TiDB cluster for production
    8. ctl             pingcap  TiDB controller suite
    9. dm              pingcap  Data Migration Platform manager
    10. dmctl           pingcap  dmctl component of Data Migration Platform
    11. pd-recover      pingcap  PD Recover is a disaster recovery tool of PD, used to recover the PD cluster which cannot start or provide services normally
    12. playground      pingcap  Bootstrap a local TiDB cluster for fun
    13. tidb            pingcap  TiDB is an open source distributed HTAP database compatible with the MySQL protocol
    14. tidb-lightning  pingcap  TiDB Lightning is a tool used for fast full import of large amounts of data into a TiDB cluster
    15. tiup            pingcap  TiUP is a command-line component management tool that can help to download and install TiDB platform components to the local system

    选择所需要的组件进行安装

    1. tiup update --self && tiup update dm

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