How to achieve rollback in transactions in mongo? [closed]

Answer 1

There is no support for traditional ACID database transactions in MongoDB regardless of what you put on top of it. This is not an issue with Mongoose or Express.js, it's a characteristic of MongoDB.

MongoDB supports atomic operations which means that saving to a collection is guaranteed to succeed completely or fail, in other words you won't get partial updates to a single document in a collection. But there is no support for multi-updates in a single transaction.

http://docs.mongodb.org/manual/faq/fundamentals/#does-mongodb-support-transactions

Answer 2

Going through mongo tutorials

Here is a link i found for making two phase commits ( may be it is not guaranteed ) :

http://docs.mongodb.org/manual/tutorial/perform-two-phase-commits/

Answer 3

I agree with Hector. If you need multiple document transactions then Mongo might not be a good fit for you. Can you embed your data structure in a single document? Then you can get the rollback you are looking for.

Another option is to look at the Mongo clone TokuMX which provides transactions across multiple documents.