Tagged articles

database durability

2 articles · Page 1 of 1

Aug 13, 2026 · Databases

Five Levels of Database Write Success: Memory, SSD, Object Store, Majority, Cross‑AZ

The article breaks down five durability tiers for database writes—from in‑memory acknowledgment to cross‑availability‑zone replication—explaining how the point at which success is reported determines latency, fault tolerance, and the hidden coordination work a system must perform.

RaftWALdatabase durability

0 likes · 14 min read

Five Levels of Database Write Success: Memory, SSD, Object Store, Majority, Cross‑AZ

Open Source Linux

Aug 7, 2023 · Databases

Understanding MySQL redo, binlog, and undo logs: Roles and Differences

This article explains the purpose, flushing mechanisms, and key differences of MySQL's redo log, binary log, and undo log, highlighting how they ensure durability, support recovery, and enable atomic rollback in InnoDB.

Binary LogMySQLRedo Log

0 likes · 6 min read

Understanding MySQL redo, binlog, and undo logs: Roles and Differences