db.collection.reIndex() (mongosh method方法)

Definition定义

db.collection.reIndex()

Deprecated since version 6.0.自6.0版本起已弃用。

Attempting to run the db.collection.reIndex() method writes a warning message to the log.尝试运行db.collection.reIndex()方法会将警告消息写入日志。

Important

mongosh Method方法

This page documents a mongosh method. This is not the documentation for database commands or language-specific drivers, such as Node.js.本页记录了一种mongosh方法。这不是数据库命令或特定语言驱动程序（如Node.js）的文档。

For the database command, see the reIndex command.关于数据库命令，请参阅reIndex命令。

For MongoDB API drivers, refer to the language-specific MongoDB driver documentation.有关MongoDB API驱动程序，请参阅特定语言的MongoDB驱动程序文档。

The db.collection.reIndex() drops all indexes on a collection and recreates them. This operation may be expensive for collections that have a large amount of data and/or a large number of indexes.db.collection.reIndex()删除集合上的所有索引并重新创建它们。对于具有大量数据和/或大量索引的集合，此操作可能很昂贵。

Warning

• db.collection.reIndex() may only be run on standalone instances.只能在单机版实例上运行。
• For most users, the db.collection.reIndex() command is unnecessary.对于大多数用户来说，db.collection.reIndex()命令是不必要的。

Compatibility兼容性

This method is available in deployments hosted in the following environments:此方法在以下环境中托管的部署中可用：

• MongoDB Enterprise: The subscription-based, self-managed version of MongoDB：MongoDB的基于订阅的自我管理版本
• MongoDB Community: The source-available, free-to-use, and self-managed version of MongoDB：MongoDB的源代码可用、免费使用和自我管理版本

Behavior行为

For MongoDB 5.0 or later, db.collection.reIndex() may only be run on standalone instances.对于MongoDB 5.0或更高版本，db.collection.reIndex()只能在单机版实例上运行。