# Percona XtraBackup 用户手册

Percona XtraBackup 包含以下工具组：

[innobackupex](https://github.com/toypipi/Percona-XtraBackup-2.4.9-Translation/tree/a4172f2abc5da33246f8f1004ea3b3c4588f2236/V-Users-Manual/User-Manual/innobackupex.md) **innobackupex** 是 **xtrabackup** 的符号链接。 **innobackupex** 仍支持 2.2 版本的所有功能和语法，但现在已被弃用，并将在下一个主要版本中删除。

[xtrabackup](https://github.com/toypipi/Percona-XtraBackup-2.4.9-Translation/tree/a4172f2abc5da33246f8f1004ea3b3c4588f2236/V-Users-Manual/User-Manual/xbcloud.md) 它是一个编译的 C 二进制文件，它提供了备份整个包含 MyISAM，InnoDB 和 XtraDB 表的 MySQL 数据库实例的功能。

[xbcrypt](https://github.com/toypipi/Percona-XtraBackup-2.4.9-Translation/tree/a4172f2abc5da33246f8f1004ea3b3c4588f2236/V-Users-Manual/User-Manual/xbcrypt.md) 用于加密和解密备份文件的实用程序。

[xbstream](https://github.com/toypipi/Percona-XtraBackup-2.4.9-Translation/tree/a4172f2abc5da33246f8f1004ea3b3c4588f2236/V-Users-Manual/User-Manual/xbstream.md) 用于从 [xbstream](https://www.percona.com/doc/percona-xtrabackup/LATEST/glossary.html#term-xbstream) 格式流式存储和提取文件的实用程序。

[xbcloud](https://github.com/toypipi/Percona-XtraBackup-2.4.9-Translation/tree/a4172f2abc5da33246f8f1004ea3b3c4588f2236/V-Users-Manual/User-Manual/xtrabackup.md) 用于从云中下载或上传 [xbstream](https://www.percona.com/doc/percona-xtrabackup/LATEST/glossary.html#term-xbstream) 存档的全部或部分内容的实用程序。

Percona XtraBackup 2.3 发布后，建议使用 xtrabackup 脚本的方式备份。 有关脚本选项的更多信息可以在[如何使用 xtrabackup 中找到](https://www.percona.com/doc/percona-xtrabackup/LATEST/xtrabackup_bin/xtrabackup_binary.html)。


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://toypipi.gitbook.io/percona-xtrabackup-2-4-9-translation/percona-xtrabackup-wen-dang/percona-xtrabackup-yong-hu-shou-ce.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.
