Overview
This topic describes how to release database storage in apsaradb for MongoDB.
Description
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In the execution
db.collection.remove
the command will not release the database space.
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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.
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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
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Metrics for ApsaraDB for MongoDB