I'm currently working with MongoDB 3.2.10 and I recently heard of the new "inMemory" engine. After some research I found that it was available in the Enterprise Edition since version 3.2.6, but I couldn't find any information on an eventual release in the community edition.

So the question is: do they plan to release the inMemory engine for the Community Edition? If they do, do we know when?

  • I'm not sure if a speculative question is on-topic for DBA. As at MongoDB 3.4 the In-Memory Storage Engine is only available in MongoDB Enterprise Edition.
    – Stennie
    Commented Nov 4, 2016 at 11:03
  • @Stennie I'm not looking for speculations, I need a clear answer: yes, they plan to release it or no, they don't. If the info is not available I guess it means they don't...
    – felix
    Commented Nov 4, 2016 at 12:54

1 Answer 1


As at MongoDB 3.4, no plans have been announced to make the In Memory Storage Engine available in the MongoDB Community Edition. I suspect this is likely to remain as an Enterprise-only feature for the foreseeable future given the more niche use cases for in-memory storage, however the definitive source will be the mongodb.com website and any future major release announcements.

FYI, you can subscribe to driver/server release announcements via the mongodb-announce group.

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