The Difference a (Field) Name Makes: Reduce Document Size and Increase Performance
Blog post from MongoDB
Andrew Morgan discusses his experiences at a customer event in Greece, where a debate about using camelCase versus snake_case for field names in MongoDB documents arose. He explains that while this choice is often a stylistic decision influenced by programming language conventions, it also impacts performance, with camelCase offering advantages due to shorter field names. Morgan illustrates how optimizing document size in MongoDB using hierarchical structuring and replacing empty strings with null values can significantly reduce memory usage and improve application performance. The article also describes how MongoDB's built-in cache and BSON format affect data retrieval efficiency, emphasizing the importance of thoughtful schema design to maximize performance without compromising data clarity and maintainability. Additionally, Morgan highlights the importance of choosing field names that balance brevity and meaning and suggests engaging in design reviews for optimal MongoDB schema development.
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