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Editorial Team
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Editorial Team
Asked: May 22, 20262026-05-22T18:05:10+00:00 2026-05-22T18:05:10+00:00

I have a database in MongoDB, called dump. Currently, it reached 6GB in my

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I have a database in MongoDB, called dump. Currently, it reached 6GB in my server. I decided to delete 90% of data in this database to reduce the disk space it occupied. But after doing that its size is still 6GB, while the true storage size is only 250MB.

I guess this is the design of MongoDB? Is there any convinient way to reduce its size? Thank in advance.

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  1. Editorial Team
    Editorial Team
    2026-05-22T18:05:11+00:00Added an answer on May 22, 2026 at 6:05 pm

    Try (source):

    $ mongo mydb
    > db.repairDatabase()
    
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