John Schulz (The Pythian Group) delivers the talk, "MongoDB 4.0 Transactions Finally!", on DAY 2 of the Percona Live Open Source Database Conference 2019, 5/30, at Austin, TX.

In MongoDB 4.0 the MongoDB community got its first chance to use transactions. Well, except for the short lived TokuMX clone. In this talk I will discuss the capabilities and limitations of the new feature including:
- Scope
- Capabilities
- Limits
- Potential impact on concurrency

This is a feature I have long waited for and I can only view as a good thing, extending the uses of MongoDB into realms previously not possible. At the same time, as with any database transactional feature, one has to be careful not to allow the feature to seriously impact concurrency.


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