Automating Table Maintenance Before Small Files Accumulate
Read OriginalThis article addresses the challenge of small file accumulation in Apache Iceberg tables, a common issue in data lakes. It explains the costs of small files on query planning and performance, then details maintenance operations like compaction, snapshot expiration, and Z-order optimization. The post compares automated solutions from Databricks (Predictive Optimization) and AWS S3 Tables with self-managed approaches using Spark and Iceberg APIs, offering practical advice for maintaining efficient lakehouse operations.
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