SCSahithi Challainsahithichalla.hashnode.dev·Jun 16, 2025 · 3 min readAutomating Delta Lake Maintenance: OPTIMIZE and VACUUM Made EasyIntroduction Delta Lake, a powerful storage layer built on top of Apache Spark, brings ACID transactions and scalable metadata handling to big data. But like any persistent storage system, performance can degrade over time due to file fragmentation a...00