S3 Tables and MinIO AI Stor embed the Iceberg catalog directly in the storage layer. Here is when embedded catalogs make sense and when they do not.
Hash partitioning distributes data evenly. Range partitioning enables fast range scans. Both create tradeoffs.
Lakehouse catalogs store metadata pointers, manage namespaces, and enforce access control. Here is the complete catalog landscape from Polaris to Glue.
Databases use buffer pools, column caches, and result caches to keep hot data in RAM. Here is how each caching strategy works and what happens when data.