Posts

All the articles I've posted.

• 7 MIN READ•Apr 29, 2026

  Partitioning, Sharding, and Data Distribution Strategies

  Hash partitioning distributes data evenly. Range partitioning enables fast range scans. Both create tradeoffs. Here is how databases divide data across storage and nodes.

  data partitioningdatabase shardingpartition pruning
• 7 MIN READ•Apr 29, 2026

  What Are Lakehouse Catalogs? The Role of Catalogs in Apache Iceberg

  Lakehouse catalogs store metadata pointers, manage namespaces, and enforce access control. Here is the complete catalog landscape from Polaris to Glue.

  lakehouse catalogsIceberg REST catalogApache Polaris
• 8 MIN READ•Apr 29, 2026

  Buffer Pools, Caches, and the Memory Hierarchy

  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 does not fit.

  database cachingbuffer poolcache eviction