Use cases (sessions, user profiles, carts)

 

Use Cases of Key–Value Databases (Riak)

Sessions, User Profiles, Shopping Carts

Key–Value databases like Riak are best suited for applications that need fast access, high availability, and scalability.

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1. Session Management

Meaning

Session data stores temporary user information during a login session.

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Why Riak is Suitable

• Very fast read/write operations

• Supports TTL (expiring data)

• High availability

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Example

Session_ID → User login details

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Benefits

• Quick session retrieval

• Automatic session expiry

• Fault tolerant

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2. User Profiles

Meaning

User profile data includes:

• Name

• Preferences

• Settings

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Why Riak is Suitable

• Flexible schema

• Easy updates

• Scales for millions of users

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Example

User_ID → {name, email, preferences}

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Benefits

• Fast access to profile data

• Highly scalable

• Always available

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3. Shopping Cart Data

Meaning

Shopping cart stores:

• Selected products

• Quantity

• Price details

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Why Riak is Suitable

• Handles frequent updates

• High availability during peak traffic

• No data loss

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Example

Cart_ID → Product list

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Benefits

• Fast cart updates

• Reliable storage

• Scales during sales

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4. Summary Table

Use Case	Why Riak is Best
Sessions	Fast + TTL support
User Profiles	Flexible & scalable
Shopping Carts	High availability