Explore the critical aspects of database logging in this comprehensive video on redo, undo, and WAL logs. Dive deep into the fundamentals of database durability, including commit processes, WAL implementation, checkpointing, fsync operations, and undo logs. Learn how these mechanisms work together to ensure data integrity and recovery in case of failures. Gain valuable insights into the inner workings of database systems and enhance your understanding of backend engineering principles.
Overview
Syllabus
intro
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Start of the Show
What is commit
What if a commit fails half way
WAL
Checkpointing
fsync
Undo logs
Taught by
Hussein Nasser