db.collection.reIndex()

Definition定义

db.collection.reIndex()

Deprecated since version 6.0.自6.0版以来已弃用。

Attempting to run the db.collection.reIndex() method writes a warning message to the log.试图运行db.collection.reIndex()方法会在日志中写入警告消息。

Important

mongosh Method

This page documents a mongosh method. This is not the documentation for database commands or language-specific drivers, such as Node.js.本页记录了一个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.有关数据库命令，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。

For the legacy mongo shell documentation, refer to the documentation for the corresponding MongoDB Server release:对于遗留的mongoshell文档，请参阅相应MongoDB Server版本的文档：

mongo shell v4.4

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()会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，此操作可能代价高昂。

Warning

• db.collection.reIndex() may only be run on standalone instances.只能在独立实例上运行。
• 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。

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()只能在独立实例上运行。