Write-Ahead Logging: How PostgreSQL & MySQL Survive Power Loss

Write-Ahead Logging (WAL) & ARIES Recovery How do databases guarantee ACID Durability without grinding write throughput to a halt? ⚡ The WAL Protocol Before any data page in shared buffers can be flushed to table storage, the corresponding log record must already exist on non-volatile disk. 🛠️ The ARIES Phase Trio Analysis Phase: Reconstructs... Weiterlesen: Write-Ahead Logging: How PostgreSQL & MySQL Survive Power Loss