Sharding | system design interview concepts | IGotAnOffer

 

Sharding: system design interview concepts (7 of 9)

Here is the article. 

If you want to succeed in system design interviews for a tech role, then you’ll probably need to understand sharding and when to use it within the context of a larger system.

Sharding is essentially the horizontal scaling of a database system that is accomplished by breaking the database up into smaller “shards”, which are separate database servers that all contain a subset of the overall dataset.

This is just a high-level definition, so to fill in the gaps we’ve put together the below guide that will walk you through sharding and how you should approach it during a system design interview. Here’s what we’ll cover:

1. Sharding basics
2. Approaches to sharding
3. Example sharding questions
4. System design interview preparation