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May 24, 2026 · 1 min read

How would you design a MongoDB schema for a blog application that supports comments, tags, and user profiles while ensuring both scalability and performance?

For a blog application, I would use a normalized schema with separate collections for users, posts, comments, and tags. Each post could reference user IDs and tag IDs, while comments…

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📅 May 24, 2026 ⏱ 1 min read

HW

How would you design a MongoDB schema for a blog application that supports comments, tags, and user profiles while ensuring both scalability and performance?

COVER // HOW WOULD YOU DESIGN A MONGODB SCHEMA FOR A BLOG APPLICATION THAT SUPPORTS COMMENTS, TAGS, AND USER PROFILES WHILE ENSURING BOTH SCALABILITY AND PERFORMANCE?

For a blog application, I would use a normalized schema with separate collections for users, posts, comments, and tags. Each post could reference user IDs and tag IDs, while comments would reference the post ID and user ID to maintain relationships and optimize querying.

database mongodb performance scalability schema-design

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