> For the complete documentation index, see [llms.txt](https://toypipi.gitbook.io/percona-xtrabackup-2-4-9-translation/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://toypipi.gitbook.io/percona-xtrabackup-2-4-9-translation/percona-xtrabackup-wen-dang/can-kao/yi-zhi-de-wen-ti-he-xian-zhi.md).

# 已知的问题和限制