In this episode, we cover the following topics:
- In this new series, we are discussing database consistency models explained in three acts. This episode is "Act III: Eventual consistency saves the web (circa early 2000s)".
- We explain eventual consistency and the motivation behind the philosophy.
- The BASE acronym stands for three key properties of a distributed system that utilizes eventual consistency. We define and explain these BASE attributes:
- Basically available
- Soft state
- Eventual consistency
- We share the story of Werner Vogel's keynote at re:Invent 2018, where he outlined the reasons why DynamoDB was created. In particular, DynamoDB allows for an eventual consistency data model.
- Interestingly, the DynamoDB story closely parallels what happened when Chris was at Microsoft. It just happened at least 6 years earlier.
- We then wrap up everything we have learned about ACID, CAP, and BASE by providing some guidelines on when to choose ACID vs. BASE systems.
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End Song
Whisper In A Dream (Feathericci Remix) by Uskmatu
More Info
For a full transcription of this episode, please visit the episode webpage.
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