© 2019 Strange Loop
Back in the 1970s, the earliest databases had transactions. Then NoSQL abolished them. And now, perhaps, they are making a comeback... but reinvented.
The purpose of transactions is to make application code simpler, by reducing the amount of failure handling you need to do yourself. However, they have also gained a reputation for being slow and unscalable. With the traditional implementation of serializability (2-phase locking), that reputation was somewhat deserved.
In the last few years, there has been a resurgence of interest in transaction algorithms that perform well and scale well. This talk answers some of the biggest questions about the bright new landscape of transactions:
Martin Kleppmann is a software engineer and entrepreneur, and author of the O'Reilly book Designing Data-Intensive Applications (http://dataintensive.net), which analyses the data infrastructure and architecture used by internet companies. He previously co-founded a startup, Rapportive, which was acquired by LinkedIn in 2012. He is a committer on Apache Samza, and his technical blog is at http://martin.kleppmann.com.