Selected Java Interview Questions
Selected Java Interview Questions
Jul 8, 2025 · Databases

How to Scale 1 Billion Orders with MySQL Sharding: Strategies, Gene IDs, and Migration

This article explores the performance bottlenecks of a 700‑million‑row MySQL orders table and presents a comprehensive sharding solution—including vertical and horizontal partitioning, gene‑based shard keys, routing logic, global secondary indexes, data migration strategies, and common pitfalls—demonstrating how query latency can drop from seconds to milliseconds while supporting billions of records.

MySQLPartitioningdata migration
0 likes · 9 min read
How to Scale 1 Billion Orders with MySQL Sharding: Strategies, Gene IDs, and Migration
ITPUB
ITPUB
Dec 8, 2022 · Databases

How to Efficiently Query Sharded Order Tables: Redundant, Index, and Gene Methods

When order_id is not the sharding key, querying a sharded order table can require scanning every shard, but three design patterns—data redundancy, an index table, and gene‑based sharding—enable fast single‑shard lookups while balancing storage and complexity.

database designgene shardingindex table
0 likes · 9 min read
How to Efficiently Query Sharded Order Tables: Redundant, Index, and Gene Methods