Use these methods to ping the server, add and delete documents, commit changes, optimize the index, and run queries.

使用这些方法来ping服务器，添加和删除文档，提交更改，优化索引，以及运行查询。

youdao

Use these methods to ping the server, add and delete documents, commit changes, optimize the index, and run queries.

使用这些方法来ping服务器，添加和删除文档，提交更改，优化索引，以及运行查询。

youdao