The JusDB Database Engineering Blog

Deep dives on PostgreSQL, MySQL, MongoDB and more — performance tuning, high availability, migrations and production war stories from our DBAs.

5 canonical articlesBrowse the complete archive

Popular Searches

Latest Articles

Showing 5 of 5 articles

Online DDL in TiDB: Non-Blocking Schema Changes for Distributed SQL

TiDB performs schema changes online without blocking reads or writes — using a distributed DDL queue across TiDB nodes. Here's how it works and how to monitor DDL jobs in production.

TiDB8 minDec 15, 2025
Read

TiDB 8.0: Distributed SQL for Growing Workloads

TiDB 8.0 is the most production-ready version of the distributed SQL database yet. With improved HTAP, stronger MySQL compatibility, and Resource Groups, it's compelling for teams outgrowing single-node MySQL.

TiDB8 minFeb 25, 2025
Read

TiDB's Raft-Based Replication: How Distributed Consensus Keeps Your Data Safe

TiDB uses Raft consensus protocol through TiKV to replicate every region across three or more nodes. Here's how leader election, log replication, and region management work in practice.

TiDB9 minMay 20, 2024
Read

Demystifying TiDB's Write Path: A Guide to Scalable Data Management

TiDB's write path crosses multiple layers — SQL parser, planner, TiKV region leader, Raft log replication, and 2PC commit — before a transaction is durable. Here's a complete walkthrough.

TiDB9 minMar 25, 2024
Read

TiDB Explained: The Complete Guide to Distributed SQL and HTAP

Explore TiDB distributed SQL database for HTAP workloads. Learn TiKV/TiFlash architecture, MySQL compatibility, horizontal scaling, and deployment strategies.

TiDB4 minSep 6, 2022
Read
Newsletter

Get the latest database insights and expert tips delivered to your inbox.

Stay Connected

Subscribe to our RSS feed for instant updates.

RSS Feed