Livy 3 Migration Guide

# Check current session usage

curl http://<host>:8333/sessions | jq '.total'

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# Identify client applications

grep -r "8333" /path/to/application/configs

# Test application with Livy 3.5.5

livy_client = LivySession(url='http://<host>:8355')

session = livy_client.create(kind='pyspark')

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# Run test workloads

# Validate results

# Check for errors

# Stop Livy 3.3.3 server via Ambari UI

# Monitor for any connection attempts

# Remove service after validation period