ApsaraDB for MongoDB:Release Database space in apsaradb for MongoDB

Overview

This topic describes how to release database storage in apsaradb for MongoDB.

Description

• In the execution db.collection.remove the command will not release the database space.

• The db.dropDatabase and db.collection.drop commands delete the corresponding databases and collection files. After the commands are executed, the space is immediately released.

• If you need to use the db.collection.remove command to delete a large amount of data, perform the compact operation to free up space. The compact operation may be blocked. Run the compact operation during off-peak hours.

Description: The preceding operations passed the test in MongoDB 3.4.

Application scope

• Metrics for ApsaraDB for MongoDB