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What is the difference between Logical and Physical partitions?

Updated Apr 28, 2026

Short answer

What is the difference between Logical and Physical partitions? is a fundamental concept in Cosmos DB relating to cloud-native database management.

Deep explanation

Detailed theoretical explanation of What is the difference between Logical and Physical partitions?. Cosmos DB is Microsoft's globally distributed, multi-model database service. It is designed for high availability, low latency, and automatic scaling.

Real-world example

Managing user profiles in a global social media app.

Common mistakes

  • Choosing a partition key with low cardinality.

Follow-up questions

  • What is the RU limit?

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