Livy 3 Use Case

Use Case 1: Gradual Migration Strategy

Scenario: Organization wants to upgrade from Livy 3.3.3 to Livy 3.5.5

Solution:

1. Install Livy 3.5.5 alongside existing Livy 3.3.3

2. Test critical REST API clients on Livy 3.5.5 endpoint

3. Migrate applications incrementally

4. Decommission Livy 3.3.3 once all clients are migrated

Benefits: Controlled migration with minimal risk and no client disruption

Use Case 2: Multi-Team Environment

Scenario: Different teams use different Livy/Spark versions

Solution:

• Team A: Uses Livy 3.5.5 REST API for new ML pipelines (Spark 3.5.5)

• Team B: Maintains Livy 3.3.3 for legacy ETL jobs (Spark 3.3.3)

• Team C: Tests Livy 3.5.1 for compatibility validation

Benefits: Independent team velocities without infrastructure conflicts

Use Case 3: Client Application Compatibility

Scenario: Third-party applications certified for specific Livy versions

Solution:

• Run certified applications on their required Livy version

• Deploy newer applications on latest Livy version

• Maintain compliance and support agreements

Benefits: Flexibility without compromising vendor support

Use Case 4: Development & Testing

Scenario: Test Livy upgrades with production workloads

Solution:

1. Deploy Livy 3.5.5 in the production cluster

2. Test applications with production data

3. Compare API behavior and performance

4. Make informed upgrade decisions

Benefits: Accurate testing without separate environments