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Asked: 2026-05-26T21:08:50+00:00

I have been adding files to GridFS in my 32bit Mongo database. It eventually

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I have been adding files to GridFS in my 32bit Mongo database. It eventually failed when the size of all Mongo files hit 2Gb. So, I then deleted the files in GridFS. I’ve tried running the repairDatabase() command, but it fails, saying “mongo requires 64bit for larger datasets”. I get the same error trying to run the compact command against GridFS.

So, I’ve hit the 2Gb limit, but it won’t let me compact or repair because it doesn’t have space. Talk about Catch22!!

What do I do?

Edit
This is an immediate problem I have – how do I compact the database right now?

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1 Answer

  1. Editorial Team

    I had the same problem on my database and I solved it such way. At first I created Amazon EC2 64-bit instance and moved database files from 32-bit instance via plain copy. Then I made all needed cleanups in database on 64-bit instance and made dump with mongodump. This dump I moved back to 32-bit instance and restored database from it.
    If you need to restore database with same name, that you had before, you can just rename your old db-files in dbpath (files have database name in their name)
    And of course, you should move to upgrade to 64-bit later. MongoDB on 32-bit OS is very bad in support.

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