MongoDB 4.0 is just around the corner, and with rc0, we can get a good idea of what to expect in the GA version. MongoDB 4.0 will allow transactions to run in a replica set, and in a future release, the MongoDB transaction will be cluster-wide. This is a really big change!
Multi-statement transactions are a big deal for a lot of companies. The transactions feature has been in development since MongoDB version 3.6 when sessions were added. Now we will be able to see how both sessions and transactions work. In an earlier article, we highlighted a few details from what was delivered in 3.6 that indicated that 4.0 would have transactions.
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