Databases

2 posts in category “Databases”.

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  Write-Ahead Logging: The Unsung Hero of Database Durability

  2024-09-10

  Dive deep into write-ahead logging (WAL), the technique that lets databases promise durability without sacrificing performance. Learn how WAL works, why it matters, and how modern systems push its limits.

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  B-Trees and LSM-Trees: The Foundations of Modern Storage Engines

  2021-07-14

  An in-depth exploration of B-Trees and LSM-Trees, the two dominant data structures powering databases from PostgreSQL to RocksDB. Learn their trade-offs, internal mechanics, and when to choose each for your workload.